changeset 922:b447c24bc8d4

Merge changes from PieCrust2 branch.
author Ludovic Chabant <ludovic@chabant.com>
date Fri, 29 Sep 2017 17:05:09 -0700
parents 628d639bb30b (diff) d91e013b586a (current diff)
children 5713b6a2850d
files piecrust/data/paginationdata.py piecrust/serving/server.py
diffstat 133 files changed, 7344 insertions(+), 7910 deletions(-) [+]
line wrap: on
line diff
--- a/piecrust/__init__.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/__init__.py	Fri Sep 29 17:05:09 2017 -0700
@@ -19,13 +19,13 @@
 
 PIECRUST_URL = 'https://bolt80.com/piecrust/'
 
-CACHE_VERSION = 29
+CACHE_VERSION = 30
 
 try:
     from piecrust.__version__ import APP_VERSION
 except ImportError:
     APP_VERSION = 'unknown'
 
-import os.path
+import os.path  # NOQA
 RESOURCES_DIR = os.path.join(os.path.dirname(__file__), 'resources')
 
--- a/piecrust/admin/assets/js/foodtruck.js	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/assets/js/foodtruck.js	Fri Sep 29 17:05:09 2017 -0700
@@ -56,7 +56,8 @@
 };
 
 if (!!window.EventSource) {
-    var source = new EventSource('/publish-log');
+    // TODO: this only works when the Foodtruck blueprint is added under `/pc-admin`.
+    var source = new EventSource('/pc-admin/publish-log');
     source.onerror = function(e) {
         console.log("Error with SSE, closing.", e);
         source.close();
--- a/piecrust/admin/blueprint.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/blueprint.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,9 +1,7 @@
 import time
 import logging
-from flask import Blueprint, current_app, g, request
-from .configuration import (
-    FoodTruckConfigNotFoundError, get_foodtruck_config)
-from .sites import FoodTruckSites, InvalidSiteError
+from flask import Blueprint, current_app, g
+from .siteinfo import SiteInfo
 
 
 logger = logging.getLogger(__name__)
@@ -33,9 +31,9 @@
 
 
 def record_login_manager(state):
-    if state.app.secret_key == 'temp-key':
+    if state.app.config['SECRET_KEY'] == 'temp-key':
         def _handler():
-            raise FoodTruckConfigNotFoundError()
+            raise Exception("No secret key has been set!")
 
         logger.debug("No secret key found, disabling website login.")
         login_manager.unauthorized_handler(_handler)
@@ -92,31 +90,12 @@
 
 @foodtruck_bp.before_request
 def _setup_foodtruck_globals():
-    def _get_config():
-        admin_root = current_app.config['FOODTRUCK_ROOT']
-        procedural_config = current_app.config['FOODTRUCK_PROCEDURAL_CONFIG']
-        return get_foodtruck_config(admin_root, procedural_config)
-
-    def _get_sites():
-        names = g.config.get('sites')
-        if not names or not isinstance(names, dict):
-            raise InvalidSiteError(
-                "No sites are defined in the configuration file.")
+    def _get_site():
+        root_dir = current_app.config['FOODTRUCK_ROOT']
+        url_prefix = current_app.config['FOODTRUCK_URL_PREFIX']
+        return SiteInfo(root_dir, url_prefix, debug=current_app.debug)
 
-        current = request.cookies.get('foodtruck_site_name')
-        if current is not None and current not in names:
-            current = None
-        if current is None:
-            current = next(iter(names.keys()))
-        s = FoodTruckSites(g.config, current)
-        return s
-
-    def _get_current_site():
-        return g.sites.get()
-
-    g.config = LazySomething(_get_config)
-    g.sites = LazySomething(_get_sites)
-    g.site = LazySomething(_get_current_site)
+    g.site = LazySomething(_get_site)
 
 
 @foodtruck_bp.after_request
@@ -148,6 +127,7 @@
 import piecrust.admin.views.dashboard  # NOQA
 import piecrust.admin.views.edit  # NOQA
 import piecrust.admin.views.menu  # NOQA
+import piecrust.admin.views.micropub  # NOQA
 import piecrust.admin.views.preview  # NOQA
 import piecrust.admin.views.publish  # NOQA
 import piecrust.admin.views.sources  # NOQA
--- a/piecrust/admin/configuration.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,74 +0,0 @@
-import os.path
-import copy
-import logging
-import yaml
-from piecrust.configuration import (
-    Configuration, ConfigurationError, ConfigurationLoader,
-    merge_dicts)
-
-
-logger = logging.getLogger(__name__)
-
-
-def get_foodtruck_config(dirname=None, fallback_config=None):
-    dirname = dirname or os.getcwd()
-    cfg_path = os.path.join(dirname, 'foodtruck.yml')
-    return FoodTruckConfiguration(cfg_path, fallback_config)
-
-
-class FoodTruckConfigNotFoundError(Exception):
-    pass
-
-
-class FoodTruckConfiguration(Configuration):
-    def __init__(self, cfg_path, fallback_config=None):
-        super(FoodTruckConfiguration, self).__init__()
-        self.cfg_path = cfg_path
-        self.fallback_config = fallback_config
-
-    def _load(self):
-        try:
-            with open(self.cfg_path, 'r', encoding='utf-8') as fp:
-                values = yaml.load(
-                    fp.read(),
-                    Loader=ConfigurationLoader)
-
-            self._values = self._validateAll(values)
-        except OSError:
-            if self.fallback_config is None:
-                raise FoodTruckConfigNotFoundError()
-
-            logger.debug("No FoodTruck configuration found, using fallback "
-                         "configuration.")
-            self._values = copy.deepcopy(self.fallback_config)
-        except Exception as ex:
-            raise ConfigurationError(
-                "Error loading configuration from: %s" %
-                self.cfg_path) from ex
-
-    def _validateAll(self, values):
-        if values is None:
-            values = {}
-
-        values = merge_dicts(copy.deepcopy(default_configuration), values)
-
-        return values
-
-    def save(self):
-        with open(self.cfg_path, 'w', encoding='utf8') as fp:
-            self.cfg.write(fp)
-
-
-default_configuration = {
-    'triggers': {
-        'bake': 'chef bake'
-    },
-    'scm': {
-        'type': 'hg'
-    },
-    'security': {
-        'username': '',
-        'password': ''
-    }
-}
-
--- a/piecrust/admin/main.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,26 +0,0 @@
-import logging
-
-
-logger = logging.getLogger(__name__)
-
-
-def run_foodtruck(host=None, port=None, debug=False, extra_settings=None):
-    es = {}
-    if debug:
-        es['DEBUG'] = True
-    if extra_settings:
-        es.update(extra_settings)
-
-    from .web import create_foodtruck_app
-    try:
-        app = create_foodtruck_app(es)
-        app.run(host=host, port=port, debug=debug, threaded=True)
-    except SystemExit:
-        # This is needed for Werkzeug's code reloader to be able to correctly
-        # shutdown the child process in order to restart it (otherwise, SSE
-        # generators will keep it alive).
-        from . import pubutil
-        logger.debug("Shutting down SSE generators from main...")
-        pubutil.server_shutdown = True
-        raise
-
--- a/piecrust/admin/settings.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/settings.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,2 @@
+FOODTRUCK_URL_PREFIX = '/pc-admin'
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/admin/siteinfo.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,91 @@
+import os
+import os.path
+import sys
+import copy
+import logging
+import threading
+import subprocess
+from piecrust.app import PieCrustFactory
+
+
+logger = logging.getLogger(__name__)
+
+
+class UnauthorizedSiteAccessError(Exception):
+    pass
+
+
+class InvalidSiteError(Exception):
+    pass
+
+
+class SiteInfo:
+    def __init__(self, root_dir, url_prefix, *, debug=False):
+        self.root_dir = root_dir
+        self.url_prefix = url_prefix
+        self.debug = debug
+        self._piecrust_factory = None
+        self._piecrust_app = None
+        self._scm = None
+
+    @property
+    def piecrust_factory(self):
+        if self._piecrust_factory is None:
+            self._piecrust_factory = PieCrustFactory(
+                self.root_dir,
+                cache_key='admin',
+                debug=self.debug,
+                config_values=[
+                    ('site/root', '%s/preview/' % self.url_prefix),
+                    ('site/asset_url_format',
+                     self.url_prefix + '/preview/_asset/%path%')
+                ])
+        return self._piecrust_factory
+
+    @property
+    def piecrust_app(self):
+        if self._piecrust_app is None:
+            logger.debug("Creating PieCrust admin app: %s" % self.root_dir)
+            self._piecrust_app = self.piecrust_factory.create()
+        return self._piecrust_app
+
+    @property
+    def scm(self):
+        if self._scm is None:
+            cfg = copy.deepcopy(self.piecrust_app.config.get('scm', {}))
+
+            if os.path.isdir(os.path.join(self.root_dir, '.hg')):
+                from .scm.mercurial import MercurialSourceControl
+                self._scm = MercurialSourceControl(self.root_dir, cfg)
+            elif os.path.isdir(os.path.join(self.root_dir, '.git')):
+                from .scm.git import GitSourceControl
+                self._scm = GitSourceControl(self.root_dir, cfg)
+            else:
+                self._scm = False
+
+        return self._scm
+
+    @property
+    def publish_pid_file(self):
+        return os.path.join(self.piecrust_app.cache_dir, 'publish.pid')
+
+    @property
+    def publish_log_file(self):
+        return os.path.join(self.piecrust_app.cache_dir, 'publish.log')
+
+    def publish(self, target):
+        args = [
+            sys.executable, sys.argv[0],
+            '--pid-file', self.publish_pid_file,
+            'publish',
+            '--log-publisher', self.publish_log_file,
+            target]
+        logger.debug("Running publishing command: %s" % args)
+        proc = subprocess.Popen(args, cwd=self.root_dir)
+
+        def _comm():
+            proc.communicate()
+
+        t = threading.Thread(target=_comm, daemon=True)
+        t.start()
+
--- a/piecrust/admin/sites.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,110 +0,0 @@
-import os
-import os.path
-import copy
-import logging
-import threading
-import subprocess
-from piecrust.app import PieCrust
-from piecrust.configuration import merge_dicts
-
-
-logger = logging.getLogger(__name__)
-
-
-class UnauthorizedSiteAccessError(Exception):
-    pass
-
-
-class InvalidSiteError(Exception):
-    pass
-
-
-class Site(object):
-    def __init__(self, name, root_dir, config):
-        self.name = name
-        self.root_dir = root_dir
-        self._global_config = config
-        self._piecrust_app = None
-        self._scm = None
-        logger.debug("Creating site object for %s" % self.name)
-
-    @property
-    def piecrust_app(self):
-        if self._piecrust_app is None:
-            s = PieCrust(self.root_dir)
-            s.config.set('site/root', '/site/%s/' % self.name)
-            self._piecrust_app = s
-        return self._piecrust_app
-
-    @property
-    def scm(self):
-        if self._scm is None:
-            cfg = copy.deepcopy(self._global_config.get('scm', {}))
-            merge_dicts(cfg, self.piecrust_app.config.get('scm', {}))
-
-            if os.path.isdir(os.path.join(self.root_dir, '.hg')):
-                from .scm.mercurial import MercurialSourceControl
-                self._scm = MercurialSourceControl(self.root_dir, cfg)
-            elif os.path.isdir(os.path.join(self.root_dir, '.git')):
-                from .scm.git import GitSourceControl
-                self._scm = GitSourceControl(self.root_dir, cfg)
-            else:
-                self._scm = False
-
-        return self._scm
-
-    @property
-    def publish_pid_file(self):
-        return os.path.join(self.piecrust_app.cache_dir, 'publish.pid')
-
-    @property
-    def publish_log_file(self):
-        return os.path.join(self.piecrust_app.cache_dir, 'publish.log')
-
-    def publish(self, target):
-        args = [
-            'chef',
-            '--pid-file', self.publish_pid_file,
-            'publish', target,
-            '--log-publisher', self.publish_log_file]
-        proc = subprocess.Popen(args, cwd=self.root_dir)
-
-        def _comm():
-            proc.communicate()
-
-        t = threading.Thread(target=_comm, daemon=True)
-        t.start()
-
-
-class FoodTruckSites():
-    def __init__(self, config, current_site):
-        self._sites = {}
-        self.config = config
-        self.current_site = current_site
-        if current_site is None:
-            raise Exception("No current site was given.")
-
-    def get_root_dir(self, name=None):
-        name = name or self.current_site
-        root_dir = self.config.get('sites/%s' % name)
-        if root_dir is None:
-            raise InvalidSiteError("No such site: %s" % name)
-        if not os.path.isdir(root_dir):
-            raise InvalidSiteError("Site '%s' has an invalid path." % name)
-        return root_dir
-
-    def get(self, name=None):
-        name = name or self.current_site
-        s = self._sites.get(name)
-        if s:
-            return s
-
-        root_dir = self.get_root_dir(name)
-        s = Site(name, root_dir, self.config)
-        self._sites[name] = s
-        return s
-
-    def getall(self):
-        for name in self.config.get('sites'):
-            yield self.get(name)
-
--- a/piecrust/admin/static/js/foodtruck.min.js	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/static/js/foodtruck.min.js	Fri Sep 29 17:05:09 2017 -0700
@@ -11621,7 +11621,8 @@
 };
 
 if (!!window.EventSource) {
-    var source = new EventSource('/publish-log');
+    // TODO: this only works when the Foodtruck blueprint is added under `/pc-admin`.
+    var source = new EventSource('/pc-admin/publish-log');
     source.onerror = function(e) {
         console.log("Error with SSE, closing.", e);
         source.close();
@@ -11631,4 +11632,4 @@
 
 
 
-//# 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* jQuery JavaScript Library v2.2.0\n * http://jquery.com/\n *\n * Includes Sizzle.js\n * http://sizzlejs.com/\n *\n * Copyright jQuery Foundation and other contributors\n * Released under the MIT license\n * http://jquery.org/license\n *\n * Date: 2016-01-08T20:02Z\n */\n\n(function( global, factory ) {\n\n\tif ( typeof module === \"object\" && typeof module.exports === \"object\" ) {\n\t\t// For CommonJS and CommonJS-like environments where a proper `window`\n\t\t// is present, execute the factory and get jQuery.\n\t\t// For environments that do not have a `window` with a `document`\n\t\t// (such as Node.js), expose a factory as module.exports.\n\t\t// This accentuates the need for the creation of a real `window`.\n\t\t// e.g. var jQuery = require(\"jquery\")(window);\n\t\t// See ticket #14549 for more info.\n\t\tmodule.exports = global.document ?\n\t\t\tfactory( global, true ) :\n\t\t\tfunction( w ) {\n\t\t\t\tif ( !w.document ) {\n\t\t\t\t\tthrow new Error( \"jQuery requires a window with a document\" );\n\t\t\t\t}\n\t\t\t\treturn factory( w );\n\t\t\t};\n\t} else {\n\t\tfactory( global );\n\t}\n\n// Pass this if window is not defined yet\n}(typeof window !== \"undefined\" ? window : this, function( window, noGlobal ) {\n\n// Support: Firefox 18+\n// Can't be in strict mode, several libs including ASP.NET trace\n// the stack via arguments.caller.callee and Firefox dies if\n// you try to trace through \"use strict\" call chains. (#13335)\n//\"use strict\";\nvar arr = [];\n\nvar document = window.document;\n\nvar slice = arr.slice;\n\nvar concat = arr.concat;\n\nvar push = arr.push;\n\nvar indexOf = arr.indexOf;\n\nvar class2type = {};\n\nvar toString = class2type.toString;\n\nvar hasOwn = class2type.hasOwnProperty;\n\nvar support = {};\n\n\n\nvar\n\tversion = \"2.2.0\",\n\n\t// Define a local copy of jQuery\n\tjQuery = function( selector, context ) {\n\n\t\t// The jQuery object is actually just the init constructor 'enhanced'\n\t\t// Need init if jQuery is called (just allow error to be thrown if not included)\n\t\treturn new jQuery.fn.init( selector, context );\n\t},\n\n\t// Support: Android<4.1\n\t// Make sure we trim BOM and NBSP\n\trtrim = /^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g,\n\n\t// Matches dashed string for camelizing\n\trmsPrefix = /^-ms-/,\n\trdashAlpha = /-([\\da-z])/gi,\n\n\t// Used by jQuery.camelCase as callback to replace()\n\tfcamelCase = function( all, letter ) {\n\t\treturn letter.toUpperCase();\n\t};\n\njQuery.fn = jQuery.prototype = {\n\n\t// The current version of jQuery being used\n\tjquery: version,\n\n\tconstructor: jQuery,\n\n\t// Start with an empty selector\n\tselector: \"\",\n\n\t// The default length of a jQuery object is 0\n\tlength: 0,\n\n\ttoArray: function() {\n\t\treturn slice.call( this );\n\t},\n\n\t// Get the Nth element in the matched element set OR\n\t// Get the whole matched element set as a clean array\n\tget: function( num ) {\n\t\treturn num != null ?\n\n\t\t\t// Return just the one element from the set\n\t\t\t( num < 0 ? this[ num + this.length ] : this[ num ] ) :\n\n\t\t\t// Return all the elements in a clean array\n\t\t\tslice.call( this );\n\t},\n\n\t// Take an array of elements and push it onto the stack\n\t// (returning the new matched element set)\n\tpushStack: function( elems ) {\n\n\t\t// Build a new jQuery matched element set\n\t\tvar ret = jQuery.merge( this.constructor(), elems );\n\n\t\t// Add the old object onto the stack (as a reference)\n\t\tret.prevObject = this;\n\t\tret.context = this.context;\n\n\t\t// Return the newly-formed element set\n\t\treturn ret;\n\t},\n\n\t// Execute a callback for every element in the matched set.\n\teach: function( callback ) {\n\t\treturn jQuery.each( this, callback );\n\t},\n\n\tmap: function( callback ) {\n\t\treturn this.pushStack( jQuery.map( this, function( elem, i ) {\n\t\t\treturn callback.call( elem, i, elem );\n\t\t} ) );\n\t},\n\n\tslice: function() {\n\t\treturn this.pushStack( slice.apply( this, arguments ) );\n\t},\n\n\tfirst: function() {\n\t\treturn this.eq( 0 );\n\t},\n\n\tlast: function() {\n\t\treturn this.eq( -1 );\n\t},\n\n\teq: function( i ) {\n\t\tvar len = this.length,\n\t\t\tj = +i + ( i < 0 ? len : 0 );\n\t\treturn this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );\n\t},\n\n\tend: function() {\n\t\treturn this.prevObject || this.constructor();\n\t},\n\n\t// For internal use only.\n\t// Behaves like an Array's method, not like a jQuery method.\n\tpush: push,\n\tsort: arr.sort,\n\tsplice: arr.splice\n};\n\njQuery.extend = jQuery.fn.extend = function() {\n\tvar options, name, src, copy, copyIsArray, clone,\n\t\ttarget = arguments[ 0 ] || {},\n\t\ti = 1,\n\t\tlength = arguments.length,\n\t\tdeep = false;\n\n\t// Handle a deep copy situation\n\tif ( typeof target === \"boolean\" ) {\n\t\tdeep = target;\n\n\t\t// Skip the boolean and the target\n\t\ttarget = arguments[ i ] || {};\n\t\ti++;\n\t}\n\n\t// Handle case when target is a string or something (possible in deep copy)\n\tif ( typeof target !== \"object\" && !jQuery.isFunction( target ) ) {\n\t\ttarget = {};\n\t}\n\n\t// Extend jQuery itself if only one argument is passed\n\tif ( i === length ) {\n\t\ttarget = this;\n\t\ti--;\n\t}\n\n\tfor ( ; i < length; i++ ) {\n\n\t\t// Only deal with non-null/undefined values\n\t\tif ( ( options = arguments[ i ] ) != null ) {\n\n\t\t\t// Extend the base object\n\t\t\tfor ( name in options ) {\n\t\t\t\tsrc = target[ name ];\n\t\t\t\tcopy = options[ name ];\n\n\t\t\t\t// Prevent never-ending loop\n\t\t\t\tif ( target === copy ) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\t// Recurse if we're merging plain objects or arrays\n\t\t\t\tif ( deep && copy && ( jQuery.isPlainObject( copy ) ||\n\t\t\t\t\t( copyIsArray = jQuery.isArray( copy ) ) ) ) {\n\n\t\t\t\t\tif ( copyIsArray ) {\n\t\t\t\t\t\tcopyIsArray = false;\n\t\t\t\t\t\tclone = src && jQuery.isArray( src ) ? src : [];\n\n\t\t\t\t\t} else {\n\t\t\t\t\t\tclone = src && jQuery.isPlainObject( src ) ? src : {};\n\t\t\t\t\t}\n\n\t\t\t\t\t// Never move original objects, clone them\n\t\t\t\t\ttarget[ name ] = jQuery.extend( deep, clone, copy );\n\n\t\t\t\t// Don't bring in undefined values\n\t\t\t\t} else if ( copy !== undefined ) {\n\t\t\t\t\ttarget[ name ] = copy;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// Return the modified object\n\treturn target;\n};\n\njQuery.extend( {\n\n\t// Unique for each copy of jQuery on the page\n\texpando: \"jQuery\" + ( version + Math.random() ).replace( /\\D/g, \"\" ),\n\n\t// Assume jQuery is ready without the ready module\n\tisReady: true,\n\n\terror: function( msg ) {\n\t\tthrow new Error( msg );\n\t},\n\n\tnoop: function() {},\n\n\tisFunction: function( obj ) {\n\t\treturn jQuery.type( obj ) === \"function\";\n\t},\n\n\tisArray: Array.isArray,\n\n\tisWindow: function( obj ) {\n\t\treturn obj != null && obj === obj.window;\n\t},\n\n\tisNumeric: function( obj ) {\n\n\t\t// parseFloat NaNs numeric-cast false positives (null|true|false|\"\")\n\t\t// ...but misinterprets leading-number strings, particularly hex literals (\"0x...\")\n\t\t// subtraction forces infinities to NaN\n\t\t// adding 1 corrects loss of precision from parseFloat (#15100)\n\t\tvar realStringObj = obj && obj.toString();\n\t\treturn !jQuery.isArray( obj ) && ( realStringObj - parseFloat( realStringObj ) + 1 ) >= 0;\n\t},\n\n\tisPlainObject: function( obj ) {\n\n\t\t// Not plain objects:\n\t\t// - Any object or value whose internal [[Class]] property is not \"[object Object]\"\n\t\t// - DOM nodes\n\t\t// - window\n\t\tif ( jQuery.type( obj ) !== \"object\" || obj.nodeType || jQuery.isWindow( obj ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( obj.constructor &&\n\t\t\t\t!hasOwn.call( obj.constructor.prototype, \"isPrototypeOf\" ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// If the function hasn't returned already, we're confident that\n\t\t// |obj| is a plain object, created by {} or constructed with new Object\n\t\treturn true;\n\t},\n\n\tisEmptyObject: function( obj ) {\n\t\tvar name;\n\t\tfor ( name in obj ) {\n\t\t\treturn false;\n\t\t}\n\t\treturn true;\n\t},\n\n\ttype: function( obj ) {\n\t\tif ( obj == null ) {\n\t\t\treturn obj + \"\";\n\t\t}\n\n\t\t// Support: Android<4.0, iOS<6 (functionish RegExp)\n\t\treturn typeof obj === \"object\" || typeof obj === \"function\" ?\n\t\t\tclass2type[ toString.call( obj ) ] || \"object\" :\n\t\t\ttypeof obj;\n\t},\n\n\t// Evaluates a script in a global context\n\tglobalEval: function( code ) {\n\t\tvar script,\n\t\t\tindirect = eval;\n\n\t\tcode = jQuery.trim( code );\n\n\t\tif ( code ) {\n\n\t\t\t// If the code includes a valid, prologue position\n\t\t\t// strict mode pragma, execute code by injecting a\n\t\t\t// script tag into the document.\n\t\t\tif ( code.indexOf( \"use strict\" ) === 1 ) {\n\t\t\t\tscript = document.createElement( \"script\" );\n\t\t\t\tscript.text = code;\n\t\t\t\tdocument.head.appendChild( script ).parentNode.removeChild( script );\n\t\t\t} else {\n\n\t\t\t\t// Otherwise, avoid the DOM node creation, insertion\n\t\t\t\t// and removal by using an indirect global eval\n\n\t\t\t\tindirect( code );\n\t\t\t}\n\t\t}\n\t},\n\n\t// Convert dashed to camelCase; used by the css and data modules\n\t// Support: IE9-11+\n\t// Microsoft forgot to hump their vendor prefix (#9572)\n\tcamelCase: function( string ) {\n\t\treturn string.replace( rmsPrefix, \"ms-\" ).replace( rdashAlpha, fcamelCase );\n\t},\n\n\tnodeName: function( elem, name ) {\n\t\treturn elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();\n\t},\n\n\teach: function( obj, callback ) {\n\t\tvar length, i = 0;\n\n\t\tif ( isArrayLike( obj ) ) {\n\t\t\tlength = obj.length;\n\t\t\tfor ( ; i < length; i++ ) {\n\t\t\t\tif ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tfor ( i in obj ) {\n\t\t\t\tif ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn obj;\n\t},\n\n\t// Support: Android<4.1\n\ttrim: function( text ) {\n\t\treturn text == null ?\n\t\t\t\"\" :\n\t\t\t( text + \"\" ).replace( rtrim, \"\" );\n\t},\n\n\t// results is for internal usage only\n\tmakeArray: function( arr, results ) {\n\t\tvar ret = results || [];\n\n\t\tif ( arr != null ) {\n\t\t\tif ( isArrayLike( Object( arr ) ) ) {\n\t\t\t\tjQuery.merge( ret,\n\t\t\t\t\ttypeof arr === \"string\" ?\n\t\t\t\t\t[ arr ] : arr\n\t\t\t\t);\n\t\t\t} else {\n\t\t\t\tpush.call( ret, arr );\n\t\t\t}\n\t\t}\n\n\t\treturn ret;\n\t},\n\n\tinArray: function( elem, arr, i ) {\n\t\treturn arr == null ? -1 : indexOf.call( arr, elem, i );\n\t},\n\n\tmerge: function( first, second ) {\n\t\tvar len = +second.length,\n\t\t\tj = 0,\n\t\t\ti = first.length;\n\n\t\tfor ( ; j < len; j++ ) {\n\t\t\tfirst[ i++ ] = second[ j ];\n\t\t}\n\n\t\tfirst.length = i;\n\n\t\treturn first;\n\t},\n\n\tgrep: function( elems, callback, invert ) {\n\t\tvar callbackInverse,\n\t\t\tmatches = [],\n\t\t\ti = 0,\n\t\t\tlength = elems.length,\n\t\t\tcallbackExpect = !invert;\n\n\t\t// Go through the array, only saving the items\n\t\t// that pass the validator function\n\t\tfor ( ; i < length; i++ ) {\n\t\t\tcallbackInverse = !callback( elems[ i ], i );\n\t\t\tif ( callbackInverse !== callbackExpect ) {\n\t\t\t\tmatches.push( elems[ i ] );\n\t\t\t}\n\t\t}\n\n\t\treturn matches;\n\t},\n\n\t// arg is for internal usage only\n\tmap: function( elems, callback, arg ) {\n\t\tvar length, value,\n\t\t\ti = 0,\n\t\t\tret = [];\n\n\t\t// Go through the array, translating each of the items to their new values\n\t\tif ( isArrayLike( elems ) ) {\n\t\t\tlength = elems.length;\n\t\t\tfor ( ; i < length; i++ ) {\n\t\t\t\tvalue = callback( elems[ i ], i, arg );\n\n\t\t\t\tif ( value != null ) {\n\t\t\t\t\tret.push( value );\n\t\t\t\t}\n\t\t\t}\n\n\t\t// Go through every key on the object,\n\t\t} else {\n\t\t\tfor ( i in elems ) {\n\t\t\t\tvalue = callback( elems[ i ], i, arg );\n\n\t\t\t\tif ( value != null ) {\n\t\t\t\t\tret.push( value );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Flatten any nested arrays\n\t\treturn concat.apply( [], ret );\n\t},\n\n\t// A global GUID counter for objects\n\tguid: 1,\n\n\t// Bind a function to a context, optionally partially applying any\n\t// arguments.\n\tproxy: function( fn, context ) {\n\t\tvar tmp, args, proxy;\n\n\t\tif ( typeof context === \"string\" ) {\n\t\t\ttmp = fn[ context ];\n\t\t\tcontext = fn;\n\t\t\tfn = tmp;\n\t\t}\n\n\t\t// Quick check to determine if target is callable, in the spec\n\t\t// this throws a TypeError, but we will just return undefined.\n\t\tif ( !jQuery.isFunction( fn ) ) {\n\t\t\treturn undefined;\n\t\t}\n\n\t\t// Simulated bind\n\t\targs = slice.call( arguments, 2 );\n\t\tproxy = function() {\n\t\t\treturn fn.apply( context || this, args.concat( slice.call( arguments ) ) );\n\t\t};\n\n\t\t// Set the guid of unique handler to the same of original handler, so it can be removed\n\t\tproxy.guid = fn.guid = fn.guid || jQuery.guid++;\n\n\t\treturn proxy;\n\t},\n\n\tnow: Date.now,\n\n\t// jQuery.support is not used in Core but other projects attach their\n\t// properties to it so it needs to exist.\n\tsupport: support\n} );\n\n// JSHint would error on this code due to the Symbol not being defined in ES5.\n// Defining this global in .jshintrc would create a danger of using the global\n// unguarded in another place, it seems safer to just disable JSHint for these\n// three lines.\n/* jshint ignore: start */\nif ( typeof Symbol === \"function\" ) {\n\tjQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];\n}\n/* jshint ignore: end */\n\n// Populate the class2type map\njQuery.each( \"Boolean Number String Function Array Date RegExp Object Error Symbol\".split( \" \" ),\nfunction( i, name ) {\n\tclass2type[ \"[object \" + name + \"]\" ] = name.toLowerCase();\n} );\n\nfunction isArrayLike( obj ) {\n\n\t// Support: iOS 8.2 (not reproducible in simulator)\n\t// `in` check used to prevent JIT error (gh-2145)\n\t// hasOwn isn't used here due to false negatives\n\t// regarding Nodelist length in IE\n\tvar length = !!obj && \"length\" in obj && obj.length,\n\t\ttype = jQuery.type( obj );\n\n\tif ( type === \"function\" || jQuery.isWindow( obj ) ) {\n\t\treturn false;\n\t}\n\n\treturn type === \"array\" || length === 0 ||\n\t\ttypeof length === \"number\" && length > 0 && ( length - 1 ) in obj;\n}\nvar Sizzle =\n/*!\n * Sizzle CSS Selector Engine v2.2.1\n * http://sizzlejs.com/\n *\n * Copyright jQuery Foundation and other contributors\n * Released under the MIT license\n * http://jquery.org/license\n *\n * Date: 2015-10-17\n */\n(function( window ) {\n\nvar i,\n\tsupport,\n\tExpr,\n\tgetText,\n\tisXML,\n\ttokenize,\n\tcompile,\n\tselect,\n\toutermostContext,\n\tsortInput,\n\thasDuplicate,\n\n\t// Local document vars\n\tsetDocument,\n\tdocument,\n\tdocElem,\n\tdocumentIsHTML,\n\trbuggyQSA,\n\trbuggyMatches,\n\tmatches,\n\tcontains,\n\n\t// Instance-specific data\n\texpando = \"sizzle\" + 1 * new Date(),\n\tpreferredDoc = window.document,\n\tdirruns = 0,\n\tdone = 0,\n\tclassCache = createCache(),\n\ttokenCache = createCache(),\n\tcompilerCache = createCache(),\n\tsortOrder = function( a, b ) {\n\t\tif ( a === b ) {\n\t\t\thasDuplicate = true;\n\t\t}\n\t\treturn 0;\n\t},\n\n\t// General-purpose constants\n\tMAX_NEGATIVE = 1 << 31,\n\n\t// Instance methods\n\thasOwn = ({}).hasOwnProperty,\n\tarr = [],\n\tpop = arr.pop,\n\tpush_native = arr.push,\n\tpush = arr.push,\n\tslice = arr.slice,\n\t// Use a stripped-down indexOf as it's faster than native\n\t// http://jsperf.com/thor-indexof-vs-for/5\n\tindexOf = function( list, elem ) {\n\t\tvar i = 0,\n\t\t\tlen = list.length;\n\t\tfor ( ; i < len; i++ ) {\n\t\t\tif ( list[i] === elem ) {\n\t\t\t\treturn i;\n\t\t\t}\n\t\t}\n\t\treturn -1;\n\t},\n\n\tbooleans = \"checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped\",\n\n\t// Regular expressions\n\n\t// http://www.w3.org/TR/css3-selectors/#whitespace\n\twhitespace = \"[\\\\x20\\\\t\\\\r\\\\n\\\\f]\",\n\n\t// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier\n\tidentifier = \"(?:\\\\\\\\.|[\\\\w-]|[^\\\\x00-\\\\xa0])+\",\n\n\t// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors\n\tattributes = \"\\\\[\" + whitespace + \"*(\" + identifier + \")(?:\" + whitespace +\n\t\t// Operator (capture 2)\n\t\t\"*([*^$|!~]?=)\" + whitespace +\n\t\t// \"Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]\"\n\t\t\"*(?:'((?:\\\\\\\\.|[^\\\\\\\\'])*)'|\\\"((?:\\\\\\\\.|[^\\\\\\\\\\\"])*)\\\"|(\" + identifier + \"))|)\" + whitespace +\n\t\t\"*\\\\]\",\n\n\tpseudos = \":(\" + identifier + \")(?:\\\\((\" +\n\t\t// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:\n\t\t// 1. quoted (capture 3; capture 4 or capture 5)\n\t\t\"('((?:\\\\\\\\.|[^\\\\\\\\'])*)'|\\\"((?:\\\\\\\\.|[^\\\\\\\\\\\"])*)\\\")|\" +\n\t\t// 2. simple (capture 6)\n\t\t\"((?:\\\\\\\\.|[^\\\\\\\\()[\\\\]]|\" + attributes + \")*)|\" +\n\t\t// 3. anything else (capture 2)\n\t\t\".*\" +\n\t\t\")\\\\)|)\",\n\n\t// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter\n\trwhitespace = new RegExp( whitespace + \"+\", \"g\" ),\n\trtrim = new RegExp( \"^\" + whitespace + \"+|((?:^|[^\\\\\\\\])(?:\\\\\\\\.)*)\" + whitespace + \"+$\", \"g\" ),\n\n\trcomma = new RegExp( \"^\" + whitespace + \"*,\" + whitespace + \"*\" ),\n\trcombinators = new RegExp( \"^\" + whitespace + \"*([>+~]|\" + whitespace + \")\" + whitespace + \"*\" ),\n\n\trattributeQuotes = new RegExp( \"=\" + whitespace + \"*([^\\\\]'\\\"]*?)\" + whitespace + \"*\\\\]\", \"g\" ),\n\n\trpseudo = new RegExp( pseudos ),\n\tridentifier = new RegExp( \"^\" + identifier + \"$\" ),\n\n\tmatchExpr = {\n\t\t\"ID\": new RegExp( \"^#(\" + identifier + \")\" ),\n\t\t\"CLASS\": new RegExp( \"^\\\\.(\" + identifier + \")\" ),\n\t\t\"TAG\": new RegExp( \"^(\" + identifier + \"|[*])\" ),\n\t\t\"ATTR\": new RegExp( \"^\" + attributes ),\n\t\t\"PSEUDO\": new RegExp( \"^\" + pseudos ),\n\t\t\"CHILD\": new RegExp( \"^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\\\(\" + whitespace +\n\t\t\t\"*(even|odd|(([+-]|)(\\\\d*)n|)\" + whitespace + \"*(?:([+-]|)\" + whitespace +\n\t\t\t\"*(\\\\d+)|))\" + whitespace + \"*\\\\)|)\", \"i\" ),\n\t\t\"bool\": new RegExp( \"^(?:\" + booleans + \")$\", \"i\" ),\n\t\t// For use in libraries implementing .is()\n\t\t// We use this for POS matching in `select`\n\t\t\"needsContext\": new RegExp( \"^\" + whitespace + \"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\\\(\" +\n\t\t\twhitespace + \"*((?:-\\\\d)?\\\\d*)\" + whitespace + \"*\\\\)|)(?=[^-]|$)\", \"i\" )\n\t},\n\n\trinputs = /^(?:input|select|textarea|button)$/i,\n\trheader = /^h\\d$/i,\n\n\trnative = /^[^{]+\\{\\s*\\[native \\w/,\n\n\t// Easily-parseable/retrievable ID or TAG or CLASS selectors\n\trquickExpr = /^(?:#([\\w-]+)|(\\w+)|\\.([\\w-]+))$/,\n\n\trsibling = /[+~]/,\n\trescape = /'|\\\\/g,\n\n\t// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters\n\trunescape = new RegExp( \"\\\\\\\\([\\\\da-f]{1,6}\" + whitespace + \"?|(\" + whitespace + \")|.)\", \"ig\" ),\n\tfunescape = function( _, escaped, escapedWhitespace ) {\n\t\tvar high = \"0x\" + escaped - 0x10000;\n\t\t// NaN means non-codepoint\n\t\t// Support: Firefox<24\n\t\t// Workaround erroneous numeric interpretation of +\"0x\"\n\t\treturn high !== high || escapedWhitespace ?\n\t\t\tescaped :\n\t\t\thigh < 0 ?\n\t\t\t\t// BMP codepoint\n\t\t\t\tString.fromCharCode( high + 0x10000 ) :\n\t\t\t\t// Supplemental Plane codepoint (surrogate pair)\n\t\t\t\tString.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );\n\t},\n\n\t// Used for iframes\n\t// See setDocument()\n\t// Removing the function wrapper causes a \"Permission Denied\"\n\t// error in IE\n\tunloadHandler = function() {\n\t\tsetDocument();\n\t};\n\n// Optimize for push.apply( _, NodeList )\ntry {\n\tpush.apply(\n\t\t(arr = slice.call( preferredDoc.childNodes )),\n\t\tpreferredDoc.childNodes\n\t);\n\t// Support: Android<4.0\n\t// Detect silently failing push.apply\n\tarr[ preferredDoc.childNodes.length ].nodeType;\n} catch ( e ) {\n\tpush = { apply: arr.length ?\n\n\t\t// Leverage slice if possible\n\t\tfunction( target, els ) {\n\t\t\tpush_native.apply( target, slice.call(els) );\n\t\t} :\n\n\t\t// Support: IE<9\n\t\t// Otherwise append directly\n\t\tfunction( target, els ) {\n\t\t\tvar j = target.length,\n\t\t\t\ti = 0;\n\t\t\t// Can't trust NodeList.length\n\t\t\twhile ( (target[j++] = els[i++]) ) {}\n\t\t\ttarget.length = j - 1;\n\t\t}\n\t};\n}\n\nfunction Sizzle( selector, context, results, seed ) {\n\tvar m, i, elem, nid, nidselect, match, groups, newSelector,\n\t\tnewContext = context && context.ownerDocument,\n\n\t\t// nodeType defaults to 9, since context defaults to document\n\t\tnodeType = context ? context.nodeType : 9;\n\n\tresults = results || [];\n\n\t// Return early from calls with invalid selector or context\n\tif ( typeof selector !== \"string\" || !selector ||\n\t\tnodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {\n\n\t\treturn results;\n\t}\n\n\t// Try to shortcut find operations (as opposed to filters) in HTML documents\n\tif ( !seed ) {\n\n\t\tif ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {\n\t\t\tsetDocument( context );\n\t\t}\n\t\tcontext = context || document;\n\n\t\tif ( documentIsHTML ) {\n\n\t\t\t// If the selector is sufficiently simple, try using a \"get*By*\" DOM method\n\t\t\t// (excepting DocumentFragment context, where the methods don't exist)\n\t\t\tif ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {\n\n\t\t\t\t// ID selector\n\t\t\t\tif ( (m = match[1]) ) {\n\n\t\t\t\t\t// Document context\n\t\t\t\t\tif ( nodeType === 9 ) {\n\t\t\t\t\t\tif ( (elem = context.getElementById( m )) ) {\n\n\t\t\t\t\t\t\t// Support: IE, Opera, Webkit\n\t\t\t\t\t\t\t// TODO: identify versions\n\t\t\t\t\t\t\t// getElementById can match elements by name instead of ID\n\t\t\t\t\t\t\tif ( elem.id === m ) {\n\t\t\t\t\t\t\t\tresults.push( elem );\n\t\t\t\t\t\t\t\treturn results;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\treturn results;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t// Element context\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// Support: IE, Opera, Webkit\n\t\t\t\t\t\t// TODO: identify versions\n\t\t\t\t\t\t// getElementById can match elements by name instead of ID\n\t\t\t\t\t\tif ( newContext && (elem = newContext.getElementById( m )) &&\n\t\t\t\t\t\t\tcontains( context, elem ) &&\n\t\t\t\t\t\t\telem.id === m ) {\n\n\t\t\t\t\t\t\tresults.push( elem );\n\t\t\t\t\t\t\treturn results;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t// Type selector\n\t\t\t\t} else if ( match[2] ) {\n\t\t\t\t\tpush.apply( results, context.getElementsByTagName( selector ) );\n\t\t\t\t\treturn results;\n\n\t\t\t\t// Class selector\n\t\t\t\t} else if ( (m = match[3]) && support.getElementsByClassName &&\n\t\t\t\t\tcontext.getElementsByClassName ) {\n\n\t\t\t\t\tpush.apply( results, context.getElementsByClassName( m ) );\n\t\t\t\t\treturn results;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Take advantage of querySelectorAll\n\t\t\tif ( support.qsa &&\n\t\t\t\t!compilerCache[ selector + \" \" ] &&\n\t\t\t\t(!rbuggyQSA || !rbuggyQSA.test( selector )) ) {\n\n\t\t\t\tif ( nodeType !== 1 ) {\n\t\t\t\t\tnewContext = context;\n\t\t\t\t\tnewSelector = selector;\n\n\t\t\t\t// qSA looks outside Element context, which is not what we want\n\t\t\t\t// Thanks to Andrew Dupont for this workaround technique\n\t\t\t\t// Support: IE <=8\n\t\t\t\t// Exclude object elements\n\t\t\t\t} else if ( context.nodeName.toLowerCase() !== \"object\" ) {\n\n\t\t\t\t\t// Capture the context ID, setting it first if necessary\n\t\t\t\t\tif ( (nid = context.getAttribute( \"id\" )) ) {\n\t\t\t\t\t\tnid = nid.replace( rescape, \"\\\\$&\" );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tcontext.setAttribute( \"id\", (nid = expando) );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Prefix every selector in the list\n\t\t\t\t\tgroups = tokenize( selector );\n\t\t\t\t\ti = groups.length;\n\t\t\t\t\tnidselect = ridentifier.test( nid ) ? \"#\" + nid : \"[id='\" + nid + \"']\";\n\t\t\t\t\twhile ( i-- ) {\n\t\t\t\t\t\tgroups[i] = nidselect + \" \" + toSelector( groups[i] );\n\t\t\t\t\t}\n\t\t\t\t\tnewSelector = groups.join( \",\" );\n\n\t\t\t\t\t// Expand context for sibling selectors\n\t\t\t\t\tnewContext = rsibling.test( selector ) && testContext( context.parentNode ) ||\n\t\t\t\t\t\tcontext;\n\t\t\t\t}\n\n\t\t\t\tif ( newSelector ) {\n\t\t\t\t\ttry {\n\t\t\t\t\t\tpush.apply( results,\n\t\t\t\t\t\t\tnewContext.querySelectorAll( newSelector )\n\t\t\t\t\t\t);\n\t\t\t\t\t\treturn results;\n\t\t\t\t\t} catch ( qsaError ) {\n\t\t\t\t\t} finally {\n\t\t\t\t\t\tif ( nid === expando ) {\n\t\t\t\t\t\t\tcontext.removeAttribute( \"id\" );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// All others\n\treturn select( selector.replace( rtrim, \"$1\" ), context, results, seed );\n}\n\n/**\n * Create key-value caches of limited size\n * @returns {function(string, object)} Returns the Object data after storing it on itself with\n *\tproperty name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)\n *\tdeleting the oldest entry\n */\nfunction createCache() {\n\tvar keys = [];\n\n\tfunction cache( key, value ) {\n\t\t// Use (key + \" \") to avoid collision with native prototype properties (see Issue #157)\n\t\tif ( keys.push( key + \" \" ) > Expr.cacheLength ) {\n\t\t\t// Only keep the most recent entries\n\t\t\tdelete cache[ keys.shift() ];\n\t\t}\n\t\treturn (cache[ key + \" \" ] = value);\n\t}\n\treturn cache;\n}\n\n/**\n * Mark a function for special use by Sizzle\n * @param {Function} fn The function to mark\n */\nfunction markFunction( fn ) {\n\tfn[ expando ] = true;\n\treturn fn;\n}\n\n/**\n * Support testing using an element\n * @param {Function} fn Passed the created div and expects a boolean result\n */\nfunction assert( fn ) {\n\tvar div = document.createElement(\"div\");\n\n\ttry {\n\t\treturn !!fn( div );\n\t} catch (e) {\n\t\treturn false;\n\t} finally {\n\t\t// Remove from its parent by default\n\t\tif ( div.parentNode ) {\n\t\t\tdiv.parentNode.removeChild( div );\n\t\t}\n\t\t// release memory in IE\n\t\tdiv = null;\n\t}\n}\n\n/**\n * Adds the same handler for all of the specified attrs\n * @param {String} attrs Pipe-separated list of attributes\n * @param {Function} handler The method that will be applied\n */\nfunction addHandle( attrs, handler ) {\n\tvar arr = attrs.split(\"|\"),\n\t\ti = arr.length;\n\n\twhile ( i-- ) {\n\t\tExpr.attrHandle[ arr[i] ] = handler;\n\t}\n}\n\n/**\n * Checks document order of two siblings\n * @param {Element} a\n * @param {Element} b\n * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b\n */\nfunction siblingCheck( a, b ) {\n\tvar cur = b && a,\n\t\tdiff = cur && a.nodeType === 1 && b.nodeType === 1 &&\n\t\t\t( ~b.sourceIndex || MAX_NEGATIVE ) -\n\t\t\t( ~a.sourceIndex || MAX_NEGATIVE );\n\n\t// Use IE sourceIndex if available on both nodes\n\tif ( diff ) {\n\t\treturn diff;\n\t}\n\n\t// Check if b follows a\n\tif ( cur ) {\n\t\twhile ( (cur = cur.nextSibling) ) {\n\t\t\tif ( cur === b ) {\n\t\t\t\treturn -1;\n\t\t\t}\n\t\t}\n\t}\n\n\treturn a ? 1 : -1;\n}\n\n/**\n * Returns a function to use in pseudos for input types\n * @param {String} type\n */\nfunction createInputPseudo( type ) {\n\treturn function( elem ) {\n\t\tvar name = elem.nodeName.toLowerCase();\n\t\treturn name === \"input\" && elem.type === type;\n\t};\n}\n\n/**\n * Returns a function to use in pseudos for buttons\n * @param {String} type\n */\nfunction createButtonPseudo( type ) {\n\treturn function( elem ) {\n\t\tvar name = elem.nodeName.toLowerCase();\n\t\treturn (name === \"input\" || name === \"button\") && elem.type === type;\n\t};\n}\n\n/**\n * Returns a function to use in pseudos for positionals\n * @param {Function} fn\n */\nfunction createPositionalPseudo( fn ) {\n\treturn markFunction(function( argument ) {\n\t\targument = +argument;\n\t\treturn markFunction(function( seed, matches ) {\n\t\t\tvar j,\n\t\t\t\tmatchIndexes = fn( [], seed.length, argument ),\n\t\t\t\ti = matchIndexes.length;\n\n\t\t\t// Match elements found at the specified indexes\n\t\t\twhile ( i-- ) {\n\t\t\t\tif ( seed[ (j = matchIndexes[i]) ] ) {\n\t\t\t\t\tseed[j] = !(matches[j] = seed[j]);\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\t});\n}\n\n/**\n * Checks a node for validity as a Sizzle context\n * @param {Element|Object=} context\n * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value\n */\nfunction testContext( context ) {\n\treturn context && typeof context.getElementsByTagName !== \"undefined\" && context;\n}\n\n// Expose support vars for convenience\nsupport = Sizzle.support = {};\n\n/**\n * Detects XML nodes\n * @param {Element|Object} elem An element or a document\n * @returns {Boolean} True iff elem is a non-HTML XML node\n */\nisXML = Sizzle.isXML = function( elem ) {\n\t// documentElement is verified for cases where it doesn't yet exist\n\t// (such as loading iframes in IE - #4833)\n\tvar documentElement = elem && (elem.ownerDocument || elem).documentElement;\n\treturn documentElement ? documentElement.nodeName !== \"HTML\" : false;\n};\n\n/**\n * Sets document-related variables once based on the current document\n * @param {Element|Object} [doc] An element or document object to use to set the document\n * @returns {Object} Returns the current document\n */\nsetDocument = Sizzle.setDocument = function( node ) {\n\tvar hasCompare, parent,\n\t\tdoc = node ? node.ownerDocument || node : preferredDoc;\n\n\t// Return early if doc is invalid or already selected\n\tif ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {\n\t\treturn document;\n\t}\n\n\t// Update global variables\n\tdocument = doc;\n\tdocElem = document.documentElement;\n\tdocumentIsHTML = !isXML( document );\n\n\t// Support: IE 9-11, Edge\n\t// Accessing iframe documents after unload throws \"permission denied\" errors (jQuery #13936)\n\tif ( (parent = document.defaultView) && parent.top !== parent ) {\n\t\t// Support: IE 11\n\t\tif ( parent.addEventListener ) {\n\t\t\tparent.addEventListener( \"unload\", unloadHandler, false );\n\n\t\t// Support: IE 9 - 10 only\n\t\t} else if ( parent.attachEvent ) {\n\t\t\tparent.attachEvent( \"onunload\", unloadHandler );\n\t\t}\n\t}\n\n\t/* Attributes\n\t---------------------------------------------------------------------- */\n\n\t// Support: IE<8\n\t// Verify that getAttribute really returns attributes and not properties\n\t// (excepting IE8 booleans)\n\tsupport.attributes = assert(function( div ) {\n\t\tdiv.className = \"i\";\n\t\treturn !div.getAttribute(\"className\");\n\t});\n\n\t/* getElement(s)By*\n\t---------------------------------------------------------------------- */\n\n\t// Check if getElementsByTagName(\"*\") returns only elements\n\tsupport.getElementsByTagName = assert(function( div ) {\n\t\tdiv.appendChild( document.createComment(\"\") );\n\t\treturn !div.getElementsByTagName(\"*\").length;\n\t});\n\n\t// Support: IE<9\n\tsupport.getElementsByClassName = rnative.test( document.getElementsByClassName );\n\n\t// Support: IE<10\n\t// Check if getElementById returns elements by name\n\t// The broken getElementById methods don't pick up programatically-set names,\n\t// so use a roundabout getElementsByName test\n\tsupport.getById = assert(function( div ) {\n\t\tdocElem.appendChild( div ).id = expando;\n\t\treturn !document.getElementsByName || !document.getElementsByName( expando ).length;\n\t});\n\n\t// ID find and filter\n\tif ( support.getById ) {\n\t\tExpr.find[\"ID\"] = function( id, context ) {\n\t\t\tif ( typeof context.getElementById !== \"undefined\" && documentIsHTML ) {\n\t\t\t\tvar m = context.getElementById( id );\n\t\t\t\treturn m ? [ m ] : [];\n\t\t\t}\n\t\t};\n\t\tExpr.filter[\"ID\"] = function( id ) {\n\t\t\tvar attrId = id.replace( runescape, funescape );\n\t\t\treturn function( elem ) {\n\t\t\t\treturn elem.getAttribute(\"id\") === attrId;\n\t\t\t};\n\t\t};\n\t} else {\n\t\t// Support: IE6/7\n\t\t// getElementById is not reliable as a find shortcut\n\t\tdelete Expr.find[\"ID\"];\n\n\t\tExpr.filter[\"ID\"] =  function( id ) {\n\t\t\tvar attrId = id.replace( runescape, funescape );\n\t\t\treturn function( elem ) {\n\t\t\t\tvar node = typeof elem.getAttributeNode !== \"undefined\" &&\n\t\t\t\t\telem.getAttributeNode(\"id\");\n\t\t\t\treturn node && node.value === attrId;\n\t\t\t};\n\t\t};\n\t}\n\n\t// Tag\n\tExpr.find[\"TAG\"] = support.getElementsByTagName ?\n\t\tfunction( tag, context ) {\n\t\t\tif ( typeof context.getElementsByTagName !== \"undefined\" ) {\n\t\t\t\treturn context.getElementsByTagName( tag );\n\n\t\t\t// DocumentFragment nodes don't have gEBTN\n\t\t\t} else if ( support.qsa ) {\n\t\t\t\treturn context.querySelectorAll( tag );\n\t\t\t}\n\t\t} :\n\n\t\tfunction( tag, context ) {\n\t\t\tvar elem,\n\t\t\t\ttmp = [],\n\t\t\t\ti = 0,\n\t\t\t\t// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too\n\t\t\t\tresults = context.getElementsByTagName( tag );\n\n\t\t\t// Filter out possible comments\n\t\t\tif ( tag === \"*\" ) {\n\t\t\t\twhile ( (elem = results[i++]) ) {\n\t\t\t\t\tif ( elem.nodeType === 1 ) {\n\t\t\t\t\t\ttmp.push( elem );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn tmp;\n\t\t\t}\n\t\t\treturn results;\n\t\t};\n\n\t// Class\n\tExpr.find[\"CLASS\"] = support.getElementsByClassName && function( className, context ) {\n\t\tif ( typeof context.getElementsByClassName !== \"undefined\" && documentIsHTML ) {\n\t\t\treturn context.getElementsByClassName( className );\n\t\t}\n\t};\n\n\t/* QSA/matchesSelector\n\t---------------------------------------------------------------------- */\n\n\t// QSA and matchesSelector support\n\n\t// matchesSelector(:active) reports false when true (IE9/Opera 11.5)\n\trbuggyMatches = [];\n\n\t// qSa(:focus) reports false when true (Chrome 21)\n\t// We allow this because of a bug in IE8/9 that throws an error\n\t// whenever `document.activeElement` is accessed on an iframe\n\t// So, we allow :focus to pass through QSA all the time to avoid the IE error\n\t// See http://bugs.jquery.com/ticket/13378\n\trbuggyQSA = [];\n\n\tif ( (support.qsa = rnative.test( document.querySelectorAll )) ) {\n\t\t// Build QSA regex\n\t\t// Regex strategy adopted from Diego Perini\n\t\tassert(function( div ) {\n\t\t\t// Select is set to empty string on purpose\n\t\t\t// This is to test IE's treatment of not explicitly\n\t\t\t// setting a boolean content attribute,\n\t\t\t// since its presence should be enough\n\t\t\t// http://bugs.jquery.com/ticket/12359\n\t\t\tdocElem.appendChild( div ).innerHTML = \"<a id='\" + expando + \"'></a>\" +\n\t\t\t\t\"<select id='\" + expando + \"-\\r\\\\' msallowcapture=''>\" +\n\t\t\t\t\"<option selected=''></option></select>\";\n\n\t\t\t// Support: IE8, Opera 11-12.16\n\t\t\t// Nothing should be selected when empty strings follow ^= or $= or *=\n\t\t\t// The test attribute must be unknown in Opera but \"safe\" for WinRT\n\t\t\t// http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section\n\t\t\tif ( div.querySelectorAll(\"[msallowcapture^='']\").length ) {\n\t\t\t\trbuggyQSA.push( \"[*^$]=\" + whitespace + \"*(?:''|\\\"\\\")\" );\n\t\t\t}\n\n\t\t\t// Support: IE8\n\t\t\t// Boolean attributes and \"value\" are not treated correctly\n\t\t\tif ( !div.querySelectorAll(\"[selected]\").length ) {\n\t\t\t\trbuggyQSA.push( \"\\\\[\" + whitespace + \"*(?:value|\" + booleans + \")\" );\n\t\t\t}\n\n\t\t\t// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+\n\t\t\tif ( !div.querySelectorAll( \"[id~=\" + expando + \"-]\" ).length ) {\n\t\t\t\trbuggyQSA.push(\"~=\");\n\t\t\t}\n\n\t\t\t// Webkit/Opera - :checked should return selected option elements\n\t\t\t// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked\n\t\t\t// IE8 throws error here and will not see later tests\n\t\t\tif ( !div.querySelectorAll(\":checked\").length ) {\n\t\t\t\trbuggyQSA.push(\":checked\");\n\t\t\t}\n\n\t\t\t// Support: Safari 8+, iOS 8+\n\t\t\t// https://bugs.webkit.org/show_bug.cgi?id=136851\n\t\t\t// In-page `selector#id sibing-combinator selector` fails\n\t\t\tif ( !div.querySelectorAll( \"a#\" + expando + \"+*\" ).length ) {\n\t\t\t\trbuggyQSA.push(\".#.+[+~]\");\n\t\t\t}\n\t\t});\n\n\t\tassert(function( div ) {\n\t\t\t// Support: Windows 8 Native Apps\n\t\t\t// The type and name attributes are restricted during .innerHTML assignment\n\t\t\tvar input = document.createElement(\"input\");\n\t\t\tinput.setAttribute( \"type\", \"hidden\" );\n\t\t\tdiv.appendChild( input ).setAttribute( \"name\", \"D\" );\n\n\t\t\t// Support: IE8\n\t\t\t// Enforce case-sensitivity of name attribute\n\t\t\tif ( div.querySelectorAll(\"[name=d]\").length ) {\n\t\t\t\trbuggyQSA.push( \"name\" + whitespace + \"*[*^$|!~]?=\" );\n\t\t\t}\n\n\t\t\t// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)\n\t\t\t// IE8 throws error here and will not see later tests\n\t\t\tif ( !div.querySelectorAll(\":enabled\").length ) {\n\t\t\t\trbuggyQSA.push( \":enabled\", \":disabled\" );\n\t\t\t}\n\n\t\t\t// Opera 10-11 does not throw on post-comma invalid pseudos\n\t\t\tdiv.querySelectorAll(\"*,:x\");\n\t\t\trbuggyQSA.push(\",.*:\");\n\t\t});\n\t}\n\n\tif ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||\n\t\tdocElem.webkitMatchesSelector ||\n\t\tdocElem.mozMatchesSelector ||\n\t\tdocElem.oMatchesSelector ||\n\t\tdocElem.msMatchesSelector) )) ) {\n\n\t\tassert(function( div ) {\n\t\t\t// Check to see if it's possible to do matchesSelector\n\t\t\t// on a disconnected node (IE 9)\n\t\t\tsupport.disconnectedMatch = matches.call( div, \"div\" );\n\n\t\t\t// This should fail with an exception\n\t\t\t// Gecko does not error, returns false instead\n\t\t\tmatches.call( div, \"[s!='']:x\" );\n\t\t\trbuggyMatches.push( \"!=\", pseudos );\n\t\t});\n\t}\n\n\trbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join(\"|\") );\n\trbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join(\"|\") );\n\n\t/* Contains\n\t---------------------------------------------------------------------- */\n\thasCompare = rnative.test( docElem.compareDocumentPosition );\n\n\t// Element contains another\n\t// Purposefully self-exclusive\n\t// As in, an element does not contain itself\n\tcontains = hasCompare || rnative.test( docElem.contains ) ?\n\t\tfunction( a, b ) {\n\t\t\tvar adown = a.nodeType === 9 ? a.documentElement : a,\n\t\t\t\tbup = b && b.parentNode;\n\t\t\treturn a === bup || !!( bup && bup.nodeType === 1 && (\n\t\t\t\tadown.contains ?\n\t\t\t\t\tadown.contains( bup ) :\n\t\t\t\t\ta.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16\n\t\t\t));\n\t\t} :\n\t\tfunction( a, b ) {\n\t\t\tif ( b ) {\n\t\t\t\twhile ( (b = b.parentNode) ) {\n\t\t\t\t\tif ( b === a ) {\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn false;\n\t\t};\n\n\t/* Sorting\n\t---------------------------------------------------------------------- */\n\n\t// Document order sorting\n\tsortOrder = hasCompare ?\n\tfunction( a, b ) {\n\n\t\t// Flag for duplicate removal\n\t\tif ( a === b ) {\n\t\t\thasDuplicate = true;\n\t\t\treturn 0;\n\t\t}\n\n\t\t// Sort on method existence if only one input has compareDocumentPosition\n\t\tvar compare = !a.compareDocumentPosition - !b.compareDocumentPosition;\n\t\tif ( compare ) {\n\t\t\treturn compare;\n\t\t}\n\n\t\t// Calculate position if both inputs belong to the same document\n\t\tcompare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?\n\t\t\ta.compareDocumentPosition( b ) :\n\n\t\t\t// Otherwise we know they are disconnected\n\t\t\t1;\n\n\t\t// Disconnected nodes\n\t\tif ( compare & 1 ||\n\t\t\t(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {\n\n\t\t\t// Choose the first element that is related to our preferred document\n\t\t\tif ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {\n\t\t\t\treturn -1;\n\t\t\t}\n\t\t\tif ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {\n\t\t\t\treturn 1;\n\t\t\t}\n\n\t\t\t// Maintain original order\n\t\t\treturn sortInput ?\n\t\t\t\t( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :\n\t\t\t\t0;\n\t\t}\n\n\t\treturn compare & 4 ? -1 : 1;\n\t} :\n\tfunction( a, b ) {\n\t\t// Exit early if the nodes are identical\n\t\tif ( a === b ) {\n\t\t\thasDuplicate = true;\n\t\t\treturn 0;\n\t\t}\n\n\t\tvar cur,\n\t\t\ti = 0,\n\t\t\taup = a.parentNode,\n\t\t\tbup = b.parentNode,\n\t\t\tap = [ a ],\n\t\t\tbp = [ b ];\n\n\t\t// Parentless nodes are either documents or disconnected\n\t\tif ( !aup || !bup ) {\n\t\t\treturn a === document ? -1 :\n\t\t\t\tb === document ? 1 :\n\t\t\t\taup ? -1 :\n\t\t\t\tbup ? 1 :\n\t\t\t\tsortInput ?\n\t\t\t\t( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :\n\t\t\t\t0;\n\n\t\t// If the nodes are siblings, we can do a quick check\n\t\t} else if ( aup === bup ) {\n\t\t\treturn siblingCheck( a, b );\n\t\t}\n\n\t\t// Otherwise we need full lists of their ancestors for comparison\n\t\tcur = a;\n\t\twhile ( (cur = cur.parentNode) ) {\n\t\t\tap.unshift( cur );\n\t\t}\n\t\tcur = b;\n\t\twhile ( (cur = cur.parentNode) ) {\n\t\t\tbp.unshift( cur );\n\t\t}\n\n\t\t// Walk down the tree looking for a discrepancy\n\t\twhile ( ap[i] === bp[i] ) {\n\t\t\ti++;\n\t\t}\n\n\t\treturn i ?\n\t\t\t// Do a sibling check if the nodes have a common ancestor\n\t\t\tsiblingCheck( ap[i], bp[i] ) :\n\n\t\t\t// Otherwise nodes in our document sort first\n\t\t\tap[i] === preferredDoc ? -1 :\n\t\t\tbp[i] === preferredDoc ? 1 :\n\t\t\t0;\n\t};\n\n\treturn document;\n};\n\nSizzle.matches = function( expr, elements ) {\n\treturn Sizzle( expr, null, null, elements );\n};\n\nSizzle.matchesSelector = function( elem, expr ) {\n\t// Set document vars if needed\n\tif ( ( elem.ownerDocument || elem ) !== document ) {\n\t\tsetDocument( elem );\n\t}\n\n\t// Make sure that attribute selectors are quoted\n\texpr = expr.replace( rattributeQuotes, \"='$1']\" );\n\n\tif ( support.matchesSelector && documentIsHTML &&\n\t\t!compilerCache[ expr + \" \" ] &&\n\t\t( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&\n\t\t( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {\n\n\t\ttry {\n\t\t\tvar ret = matches.call( elem, expr );\n\n\t\t\t// IE 9's matchesSelector returns false on disconnected nodes\n\t\t\tif ( ret || support.disconnectedMatch ||\n\t\t\t\t\t// As well, disconnected nodes are said to be in a document\n\t\t\t\t\t// fragment in IE 9\n\t\t\t\t\telem.document && elem.document.nodeType !== 11 ) {\n\t\t\t\treturn ret;\n\t\t\t}\n\t\t} catch (e) {}\n\t}\n\n\treturn Sizzle( expr, document, null, [ elem ] ).length > 0;\n};\n\nSizzle.contains = function( context, elem ) {\n\t// Set document vars if needed\n\tif ( ( context.ownerDocument || context ) !== document ) {\n\t\tsetDocument( context );\n\t}\n\treturn contains( context, elem );\n};\n\nSizzle.attr = function( elem, name ) {\n\t// Set document vars if needed\n\tif ( ( elem.ownerDocument || elem ) !== document ) {\n\t\tsetDocument( elem );\n\t}\n\n\tvar fn = Expr.attrHandle[ name.toLowerCase() ],\n\t\t// Don't get fooled by Object.prototype properties (jQuery #13807)\n\t\tval = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?\n\t\t\tfn( elem, name, !documentIsHTML ) :\n\t\t\tundefined;\n\n\treturn val !== undefined ?\n\t\tval :\n\t\tsupport.attributes || !documentIsHTML ?\n\t\t\telem.getAttribute( name ) :\n\t\t\t(val = elem.getAttributeNode(name)) && val.specified ?\n\t\t\t\tval.value :\n\t\t\t\tnull;\n};\n\nSizzle.error = function( msg ) {\n\tthrow new Error( \"Syntax error, unrecognized expression: \" + msg );\n};\n\n/**\n * Document sorting and removing duplicates\n * @param {ArrayLike} results\n */\nSizzle.uniqueSort = function( results ) {\n\tvar elem,\n\t\tduplicates = [],\n\t\tj = 0,\n\t\ti = 0;\n\n\t// Unless we *know* we can detect duplicates, assume their presence\n\thasDuplicate = !support.detectDuplicates;\n\tsortInput = !support.sortStable && results.slice( 0 );\n\tresults.sort( sortOrder );\n\n\tif ( hasDuplicate ) {\n\t\twhile ( (elem = results[i++]) ) {\n\t\t\tif ( elem === results[ i ] ) {\n\t\t\t\tj = duplicates.push( i );\n\t\t\t}\n\t\t}\n\t\twhile ( j-- ) {\n\t\t\tresults.splice( duplicates[ j ], 1 );\n\t\t}\n\t}\n\n\t// Clear input after sorting to release objects\n\t// See https://github.com/jquery/sizzle/pull/225\n\tsortInput = null;\n\n\treturn results;\n};\n\n/**\n * Utility function for retrieving the text value of an array of DOM nodes\n * @param {Array|Element} elem\n */\ngetText = Sizzle.getText = function( elem ) {\n\tvar node,\n\t\tret = \"\",\n\t\ti = 0,\n\t\tnodeType = elem.nodeType;\n\n\tif ( !nodeType ) {\n\t\t// If no nodeType, this is expected to be an array\n\t\twhile ( (node = elem[i++]) ) {\n\t\t\t// Do not traverse comment nodes\n\t\t\tret += getText( node );\n\t\t}\n\t} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {\n\t\t// Use textContent for elements\n\t\t// innerText usage removed for consistency of new lines (jQuery #11153)\n\t\tif ( typeof elem.textContent === \"string\" ) {\n\t\t\treturn elem.textContent;\n\t\t} else {\n\t\t\t// Traverse its children\n\t\t\tfor ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {\n\t\t\t\tret += getText( elem );\n\t\t\t}\n\t\t}\n\t} else if ( nodeType === 3 || nodeType === 4 ) {\n\t\treturn elem.nodeValue;\n\t}\n\t// Do not include comment or processing instruction nodes\n\n\treturn ret;\n};\n\nExpr = Sizzle.selectors = {\n\n\t// Can be adjusted by the user\n\tcacheLength: 50,\n\n\tcreatePseudo: markFunction,\n\n\tmatch: matchExpr,\n\n\tattrHandle: {},\n\n\tfind: {},\n\n\trelative: {\n\t\t\">\": { dir: \"parentNode\", first: true },\n\t\t\" \": { dir: \"parentNode\" },\n\t\t\"+\": { dir: \"previousSibling\", first: true },\n\t\t\"~\": { dir: \"previousSibling\" }\n\t},\n\n\tpreFilter: {\n\t\t\"ATTR\": function( match ) {\n\t\t\tmatch[1] = match[1].replace( runescape, funescape );\n\n\t\t\t// Move the given value to match[3] whether quoted or unquoted\n\t\t\tmatch[3] = ( match[3] || match[4] || match[5] || \"\" ).replace( runescape, funescape );\n\n\t\t\tif ( match[2] === \"~=\" ) {\n\t\t\t\tmatch[3] = \" \" + match[3] + \" \";\n\t\t\t}\n\n\t\t\treturn match.slice( 0, 4 );\n\t\t},\n\n\t\t\"CHILD\": function( match ) {\n\t\t\t/* matches from matchExpr[\"CHILD\"]\n\t\t\t\t1 type (only|nth|...)\n\t\t\t\t2 what (child|of-type)\n\t\t\t\t3 argument (even|odd|\\d*|\\d*n([+-]\\d+)?|...)\n\t\t\t\t4 xn-component of xn+y argument ([+-]?\\d*n|)\n\t\t\t\t5 sign of xn-component\n\t\t\t\t6 x of xn-component\n\t\t\t\t7 sign of y-component\n\t\t\t\t8 y of y-component\n\t\t\t*/\n\t\t\tmatch[1] = match[1].toLowerCase();\n\n\t\t\tif ( match[1].slice( 0, 3 ) === \"nth\" ) {\n\t\t\t\t// nth-* requires argument\n\t\t\t\tif ( !match[3] ) {\n\t\t\t\t\tSizzle.error( match[0] );\n\t\t\t\t}\n\n\t\t\t\t// numeric x and y parameters for Expr.filter.CHILD\n\t\t\t\t// remember that false/true cast respectively to 0/1\n\t\t\t\tmatch[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === \"even\" || match[3] === \"odd\" ) );\n\t\t\t\tmatch[5] = +( ( match[7] + match[8] ) || match[3] === \"odd\" );\n\n\t\t\t// other types prohibit arguments\n\t\t\t} else if ( match[3] ) {\n\t\t\t\tSizzle.error( match[0] );\n\t\t\t}\n\n\t\t\treturn match;\n\t\t},\n\n\t\t\"PSEUDO\": function( match ) {\n\t\t\tvar excess,\n\t\t\t\tunquoted = !match[6] && match[2];\n\n\t\t\tif ( matchExpr[\"CHILD\"].test( match[0] ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\t// Accept quoted arguments as-is\n\t\t\tif ( match[3] ) {\n\t\t\t\tmatch[2] = match[4] || match[5] || \"\";\n\n\t\t\t// Strip excess characters from unquoted arguments\n\t\t\t} else if ( unquoted && rpseudo.test( unquoted ) &&\n\t\t\t\t// Get excess from tokenize (recursively)\n\t\t\t\t(excess = tokenize( unquoted, true )) &&\n\t\t\t\t// advance to the next closing parenthesis\n\t\t\t\t(excess = unquoted.indexOf( \")\", unquoted.length - excess ) - unquoted.length) ) {\n\n\t\t\t\t// excess is a negative index\n\t\t\t\tmatch[0] = match[0].slice( 0, excess );\n\t\t\t\tmatch[2] = unquoted.slice( 0, excess );\n\t\t\t}\n\n\t\t\t// Return only captures needed by the pseudo filter method (type and argument)\n\t\t\treturn match.slice( 0, 3 );\n\t\t}\n\t},\n\n\tfilter: {\n\n\t\t\"TAG\": function( nodeNameSelector ) {\n\t\t\tvar nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();\n\t\t\treturn nodeNameSelector === \"*\" ?\n\t\t\t\tfunction() { return true; } :\n\t\t\t\tfunction( elem ) {\n\t\t\t\t\treturn elem.nodeName && elem.nodeName.toLowerCase() === nodeName;\n\t\t\t\t};\n\t\t},\n\n\t\t\"CLASS\": function( className ) {\n\t\t\tvar pattern = classCache[ className + \" \" ];\n\n\t\t\treturn pattern ||\n\t\t\t\t(pattern = new RegExp( \"(^|\" + whitespace + \")\" + className + \"(\" + whitespace + \"|$)\" )) &&\n\t\t\t\tclassCache( className, function( elem ) {\n\t\t\t\t\treturn pattern.test( typeof elem.className === \"string\" && elem.className || typeof elem.getAttribute !== \"undefined\" && elem.getAttribute(\"class\") || \"\" );\n\t\t\t\t});\n\t\t},\n\n\t\t\"ATTR\": function( name, operator, check ) {\n\t\t\treturn function( elem ) {\n\t\t\t\tvar result = Sizzle.attr( elem, name );\n\n\t\t\t\tif ( result == null ) {\n\t\t\t\t\treturn operator === \"!=\";\n\t\t\t\t}\n\t\t\t\tif ( !operator ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\tresult += \"\";\n\n\t\t\t\treturn operator === \"=\" ? result === check :\n\t\t\t\t\toperator === \"!=\" ? result !== check :\n\t\t\t\t\toperator === \"^=\" ? check && result.indexOf( check ) === 0 :\n\t\t\t\t\toperator === \"*=\" ? check && result.indexOf( check ) > -1 :\n\t\t\t\t\toperator === \"$=\" ? check && result.slice( -check.length ) === check :\n\t\t\t\t\toperator === \"~=\" ? ( \" \" + result.replace( rwhitespace, \" \" ) + \" \" ).indexOf( check ) > -1 :\n\t\t\t\t\toperator === \"|=\" ? result === check || result.slice( 0, check.length + 1 ) === check + \"-\" :\n\t\t\t\t\tfalse;\n\t\t\t};\n\t\t},\n\n\t\t\"CHILD\": function( type, what, argument, first, last ) {\n\t\t\tvar simple = type.slice( 0, 3 ) !== \"nth\",\n\t\t\t\tforward = type.slice( -4 ) !== \"last\",\n\t\t\t\tofType = what === \"of-type\";\n\n\t\t\treturn first === 1 && last === 0 ?\n\n\t\t\t\t// Shortcut for :nth-*(n)\n\t\t\t\tfunction( elem ) {\n\t\t\t\t\treturn !!elem.parentNode;\n\t\t\t\t} :\n\n\t\t\t\tfunction( elem, context, xml ) {\n\t\t\t\t\tvar cache, uniqueCache, outerCache, node, nodeIndex, start,\n\t\t\t\t\t\tdir = simple !== forward ? \"nextSibling\" : \"previousSibling\",\n\t\t\t\t\t\tparent = elem.parentNode,\n\t\t\t\t\t\tname = ofType && elem.nodeName.toLowerCase(),\n\t\t\t\t\t\tuseCache = !xml && !ofType,\n\t\t\t\t\t\tdiff = false;\n\n\t\t\t\t\tif ( parent ) {\n\n\t\t\t\t\t\t// :(first|last|only)-(child|of-type)\n\t\t\t\t\t\tif ( simple ) {\n\t\t\t\t\t\t\twhile ( dir ) {\n\t\t\t\t\t\t\t\tnode = elem;\n\t\t\t\t\t\t\t\twhile ( (node = node[ dir ]) ) {\n\t\t\t\t\t\t\t\t\tif ( ofType ?\n\t\t\t\t\t\t\t\t\t\tnode.nodeName.toLowerCase() === name :\n\t\t\t\t\t\t\t\t\t\tnode.nodeType === 1 ) {\n\n\t\t\t\t\t\t\t\t\t\treturn false;\n\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t// Reverse direction for :only-* (if we haven't yet done so)\n\t\t\t\t\t\t\t\tstart = dir = type === \"only\" && !start && \"nextSibling\";\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\treturn true;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tstart = [ forward ? parent.firstChild : parent.lastChild ];\n\n\t\t\t\t\t\t// non-xml :nth-child(...) stores cache data on `parent`\n\t\t\t\t\t\tif ( forward && useCache ) {\n\n\t\t\t\t\t\t\t// Seek `elem` from a previously-cached index\n\n\t\t\t\t\t\t\t// ...in a gzip-friendly way\n\t\t\t\t\t\t\tnode = parent;\n\t\t\t\t\t\t\touterCache = node[ expando ] || (node[ expando ] = {});\n\n\t\t\t\t\t\t\t// Support: IE <9 only\n\t\t\t\t\t\t\t// Defend against cloned attroperties (jQuery gh-1709)\n\t\t\t\t\t\t\tuniqueCache = outerCache[ node.uniqueID ] ||\n\t\t\t\t\t\t\t\t(outerCache[ node.uniqueID ] = {});\n\n\t\t\t\t\t\t\tcache = uniqueCache[ type ] || [];\n\t\t\t\t\t\t\tnodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];\n\t\t\t\t\t\t\tdiff = nodeIndex && cache[ 2 ];\n\t\t\t\t\t\t\tnode = nodeIndex && parent.childNodes[ nodeIndex ];\n\n\t\t\t\t\t\t\twhile ( (node = ++nodeIndex && node && node[ dir ] ||\n\n\t\t\t\t\t\t\t\t// Fallback to seeking `elem` from the start\n\t\t\t\t\t\t\t\t(diff = nodeIndex = 0) || start.pop()) ) {\n\n\t\t\t\t\t\t\t\t// When found, cache indexes on `parent` and break\n\t\t\t\t\t\t\t\tif ( node.nodeType === 1 && ++diff && node === elem ) {\n\t\t\t\t\t\t\t\t\tuniqueCache[ type ] = [ dirruns, nodeIndex, diff ];\n\t\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t// Use previously-cached element index if available\n\t\t\t\t\t\t\tif ( useCache ) {\n\t\t\t\t\t\t\t\t// ...in a gzip-friendly way\n\t\t\t\t\t\t\t\tnode = elem;\n\t\t\t\t\t\t\t\touterCache = node[ expando ] || (node[ expando ] = {});\n\n\t\t\t\t\t\t\t\t// Support: IE <9 only\n\t\t\t\t\t\t\t\t// Defend against cloned attroperties (jQuery gh-1709)\n\t\t\t\t\t\t\t\tuniqueCache = outerCache[ node.uniqueID ] ||\n\t\t\t\t\t\t\t\t\t(outerCache[ node.uniqueID ] = {});\n\n\t\t\t\t\t\t\t\tcache = uniqueCache[ type ] || [];\n\t\t\t\t\t\t\t\tnodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];\n\t\t\t\t\t\t\t\tdiff = nodeIndex;\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// xml :nth-child(...)\n\t\t\t\t\t\t\t// or :nth-last-child(...) or :nth(-last)?-of-type(...)\n\t\t\t\t\t\t\tif ( diff === false ) {\n\t\t\t\t\t\t\t\t// Use the same loop as above to seek `elem` from the start\n\t\t\t\t\t\t\t\twhile ( (node = ++nodeIndex && node && node[ dir ] ||\n\t\t\t\t\t\t\t\t\t(diff = nodeIndex = 0) || start.pop()) ) {\n\n\t\t\t\t\t\t\t\t\tif ( ( ofType ?\n\t\t\t\t\t\t\t\t\t\tnode.nodeName.toLowerCase() === name :\n\t\t\t\t\t\t\t\t\t\tnode.nodeType === 1 ) &&\n\t\t\t\t\t\t\t\t\t\t++diff ) {\n\n\t\t\t\t\t\t\t\t\t\t// Cache the index of each encountered element\n\t\t\t\t\t\t\t\t\t\tif ( useCache ) {\n\t\t\t\t\t\t\t\t\t\t\touterCache = node[ expando ] || (node[ expando ] = {});\n\n\t\t\t\t\t\t\t\t\t\t\t// Support: IE <9 only\n\t\t\t\t\t\t\t\t\t\t\t// Defend against cloned attroperties (jQuery gh-1709)\n\t\t\t\t\t\t\t\t\t\t\tuniqueCache = outerCache[ node.uniqueID ] ||\n\t\t\t\t\t\t\t\t\t\t\t\t(outerCache[ node.uniqueID ] = {});\n\n\t\t\t\t\t\t\t\t\t\t\tuniqueCache[ type ] = [ dirruns, diff ];\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tif ( node === elem ) {\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Incorporate the offset, then check against cycle size\n\t\t\t\t\t\tdiff -= last;\n\t\t\t\t\t\treturn diff === first || ( diff % first === 0 && diff / first >= 0 );\n\t\t\t\t\t}\n\t\t\t\t};\n\t\t},\n\n\t\t\"PSEUDO\": function( pseudo, argument ) {\n\t\t\t// pseudo-class names are case-insensitive\n\t\t\t// http://www.w3.org/TR/selectors/#pseudo-classes\n\t\t\t// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters\n\t\t\t// Remember that setFilters inherits from pseudos\n\t\t\tvar args,\n\t\t\t\tfn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||\n\t\t\t\t\tSizzle.error( \"unsupported pseudo: \" + pseudo );\n\n\t\t\t// The user may use createPseudo to indicate that\n\t\t\t// arguments are needed to create the filter function\n\t\t\t// just as Sizzle does\n\t\t\tif ( fn[ expando ] ) {\n\t\t\t\treturn fn( argument );\n\t\t\t}\n\n\t\t\t// But maintain support for old signatures\n\t\t\tif ( fn.length > 1 ) {\n\t\t\t\targs = [ pseudo, pseudo, \"\", argument ];\n\t\t\t\treturn Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?\n\t\t\t\t\tmarkFunction(function( seed, matches ) {\n\t\t\t\t\t\tvar idx,\n\t\t\t\t\t\t\tmatched = fn( seed, argument ),\n\t\t\t\t\t\t\ti = matched.length;\n\t\t\t\t\t\twhile ( i-- ) {\n\t\t\t\t\t\t\tidx = indexOf( seed, matched[i] );\n\t\t\t\t\t\t\tseed[ idx ] = !( matches[ idx ] = matched[i] );\n\t\t\t\t\t\t}\n\t\t\t\t\t}) :\n\t\t\t\t\tfunction( elem ) {\n\t\t\t\t\t\treturn fn( elem, 0, args );\n\t\t\t\t\t};\n\t\t\t}\n\n\t\t\treturn fn;\n\t\t}\n\t},\n\n\tpseudos: {\n\t\t// Potentially complex pseudos\n\t\t\"not\": markFunction(function( selector ) {\n\t\t\t// Trim the selector passed to compile\n\t\t\t// to avoid treating leading and trailing\n\t\t\t// spaces as combinators\n\t\t\tvar input = [],\n\t\t\t\tresults = [],\n\t\t\t\tmatcher = compile( selector.replace( rtrim, \"$1\" ) );\n\n\t\t\treturn matcher[ expando ] ?\n\t\t\t\tmarkFunction(function( seed, matches, context, xml ) {\n\t\t\t\t\tvar elem,\n\t\t\t\t\t\tunmatched = matcher( seed, null, xml, [] ),\n\t\t\t\t\t\ti = seed.length;\n\n\t\t\t\t\t// Match elements unmatched by `matcher`\n\t\t\t\t\twhile ( i-- ) {\n\t\t\t\t\t\tif ( (elem = unmatched[i]) ) {\n\t\t\t\t\t\t\tseed[i] = !(matches[i] = elem);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}) :\n\t\t\t\tfunction( elem, context, xml ) {\n\t\t\t\t\tinput[0] = elem;\n\t\t\t\t\tmatcher( input, null, xml, results );\n\t\t\t\t\t// Don't keep the element (issue #299)\n\t\t\t\t\tinput[0] = null;\n\t\t\t\t\treturn !results.pop();\n\t\t\t\t};\n\t\t}),\n\n\t\t\"has\": markFunction(function( selector ) {\n\t\t\treturn function( elem ) {\n\t\t\t\treturn Sizzle( selector, elem ).length > 0;\n\t\t\t};\n\t\t}),\n\n\t\t\"contains\": markFunction(function( text ) {\n\t\t\ttext = text.replace( runescape, funescape );\n\t\t\treturn function( elem ) {\n\t\t\t\treturn ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;\n\t\t\t};\n\t\t}),\n\n\t\t// \"Whether an element is represented by a :lang() selector\n\t\t// is based solely on the element's language value\n\t\t// being equal to the identifier C,\n\t\t// or beginning with the identifier C immediately followed by \"-\".\n\t\t// The matching of C against the element's language value is performed case-insensitively.\n\t\t// The identifier C does not have to be a valid language name.\"\n\t\t// http://www.w3.org/TR/selectors/#lang-pseudo\n\t\t\"lang\": markFunction( function( lang ) {\n\t\t\t// lang value must be a valid identifier\n\t\t\tif ( !ridentifier.test(lang || \"\") ) {\n\t\t\t\tSizzle.error( \"unsupported lang: \" + lang );\n\t\t\t}\n\t\t\tlang = lang.replace( runescape, funescape ).toLowerCase();\n\t\t\treturn function( elem ) {\n\t\t\t\tvar elemLang;\n\t\t\t\tdo {\n\t\t\t\t\tif ( (elemLang = documentIsHTML ?\n\t\t\t\t\t\telem.lang :\n\t\t\t\t\t\telem.getAttribute(\"xml:lang\") || elem.getAttribute(\"lang\")) ) {\n\n\t\t\t\t\t\telemLang = elemLang.toLowerCase();\n\t\t\t\t\t\treturn elemLang === lang || elemLang.indexOf( lang + \"-\" ) === 0;\n\t\t\t\t\t}\n\t\t\t\t} while ( (elem = elem.parentNode) && elem.nodeType === 1 );\n\t\t\t\treturn false;\n\t\t\t};\n\t\t}),\n\n\t\t// Miscellaneous\n\t\t\"target\": function( elem ) {\n\t\t\tvar hash = window.location && window.location.hash;\n\t\t\treturn hash && hash.slice( 1 ) === elem.id;\n\t\t},\n\n\t\t\"root\": function( elem ) {\n\t\t\treturn elem === docElem;\n\t\t},\n\n\t\t\"focus\": function( elem ) {\n\t\t\treturn elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);\n\t\t},\n\n\t\t// Boolean properties\n\t\t\"enabled\": function( elem ) {\n\t\t\treturn elem.disabled === false;\n\t\t},\n\n\t\t\"disabled\": function( elem ) {\n\t\t\treturn elem.disabled === true;\n\t\t},\n\n\t\t\"checked\": function( elem ) {\n\t\t\t// In CSS3, :checked should return both checked and selected elements\n\t\t\t// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked\n\t\t\tvar nodeName = elem.nodeName.toLowerCase();\n\t\t\treturn (nodeName === \"input\" && !!elem.checked) || (nodeName === \"option\" && !!elem.selected);\n\t\t},\n\n\t\t\"selected\": function( elem ) {\n\t\t\t// Accessing this property makes selected-by-default\n\t\t\t// options in Safari work properly\n\t\t\tif ( elem.parentNode ) {\n\t\t\t\telem.parentNode.selectedIndex;\n\t\t\t}\n\n\t\t\treturn elem.selected === true;\n\t\t},\n\n\t\t// Contents\n\t\t\"empty\": function( elem ) {\n\t\t\t// http://www.w3.org/TR/selectors/#empty-pseudo\n\t\t\t// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),\n\t\t\t//   but not by others (comment: 8; processing instruction: 7; etc.)\n\t\t\t// nodeType < 6 works because attributes (2) do not appear as children\n\t\t\tfor ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {\n\t\t\t\tif ( elem.nodeType < 6 ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn true;\n\t\t},\n\n\t\t\"parent\": function( elem ) {\n\t\t\treturn !Expr.pseudos[\"empty\"]( elem );\n\t\t},\n\n\t\t// Element/input types\n\t\t\"header\": function( elem ) {\n\t\t\treturn rheader.test( elem.nodeName );\n\t\t},\n\n\t\t\"input\": function( elem ) {\n\t\t\treturn rinputs.test( elem.nodeName );\n\t\t},\n\n\t\t\"button\": function( elem ) {\n\t\t\tvar name = elem.nodeName.toLowerCase();\n\t\t\treturn name === \"input\" && elem.type === \"button\" || name === \"button\";\n\t\t},\n\n\t\t\"text\": function( elem ) {\n\t\t\tvar attr;\n\t\t\treturn elem.nodeName.toLowerCase() === \"input\" &&\n\t\t\t\telem.type === \"text\" &&\n\n\t\t\t\t// Support: IE<8\n\t\t\t\t// New HTML5 attribute values (e.g., \"search\") appear with elem.type === \"text\"\n\t\t\t\t( (attr = elem.getAttribute(\"type\")) == null || attr.toLowerCase() === \"text\" );\n\t\t},\n\n\t\t// Position-in-collection\n\t\t\"first\": createPositionalPseudo(function() {\n\t\t\treturn [ 0 ];\n\t\t}),\n\n\t\t\"last\": createPositionalPseudo(function( matchIndexes, length ) {\n\t\t\treturn [ length - 1 ];\n\t\t}),\n\n\t\t\"eq\": createPositionalPseudo(function( matchIndexes, length, argument ) {\n\t\t\treturn [ argument < 0 ? argument + length : argument ];\n\t\t}),\n\n\t\t\"even\": createPositionalPseudo(function( matchIndexes, length ) {\n\t\t\tvar i = 0;\n\t\t\tfor ( ; i < length; i += 2 ) {\n\t\t\t\tmatchIndexes.push( i );\n\t\t\t}\n\t\t\treturn matchIndexes;\n\t\t}),\n\n\t\t\"odd\": createPositionalPseudo(function( matchIndexes, length ) {\n\t\t\tvar i = 1;\n\t\t\tfor ( ; i < length; i += 2 ) {\n\t\t\t\tmatchIndexes.push( i );\n\t\t\t}\n\t\t\treturn matchIndexes;\n\t\t}),\n\n\t\t\"lt\": createPositionalPseudo(function( matchIndexes, length, argument ) {\n\t\t\tvar i = argument < 0 ? argument + length : argument;\n\t\t\tfor ( ; --i >= 0; ) {\n\t\t\t\tmatchIndexes.push( i );\n\t\t\t}\n\t\t\treturn matchIndexes;\n\t\t}),\n\n\t\t\"gt\": createPositionalPseudo(function( matchIndexes, length, argument ) {\n\t\t\tvar i = argument < 0 ? argument + length : argument;\n\t\t\tfor ( ; ++i < length; ) {\n\t\t\t\tmatchIndexes.push( i );\n\t\t\t}\n\t\t\treturn matchIndexes;\n\t\t})\n\t}\n};\n\nExpr.pseudos[\"nth\"] = Expr.pseudos[\"eq\"];\n\n// Add button/input type pseudos\nfor ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {\n\tExpr.pseudos[ i ] = createInputPseudo( i );\n}\nfor ( i in { submit: true, reset: true } ) {\n\tExpr.pseudos[ i ] = createButtonPseudo( i );\n}\n\n// Easy API for creating new setFilters\nfunction setFilters() {}\nsetFilters.prototype = Expr.filters = Expr.pseudos;\nExpr.setFilters = new setFilters();\n\ntokenize = Sizzle.tokenize = function( selector, parseOnly ) {\n\tvar matched, match, tokens, type,\n\t\tsoFar, groups, preFilters,\n\t\tcached = tokenCache[ selector + \" \" ];\n\n\tif ( cached ) {\n\t\treturn parseOnly ? 0 : cached.slice( 0 );\n\t}\n\n\tsoFar = selector;\n\tgroups = [];\n\tpreFilters = Expr.preFilter;\n\n\twhile ( soFar ) {\n\n\t\t// Comma and first run\n\t\tif ( !matched || (match = rcomma.exec( soFar )) ) {\n\t\t\tif ( match ) {\n\t\t\t\t// Don't consume trailing commas as valid\n\t\t\t\tsoFar = soFar.slice( match[0].length ) || soFar;\n\t\t\t}\n\t\t\tgroups.push( (tokens = []) );\n\t\t}\n\n\t\tmatched = false;\n\n\t\t// Combinators\n\t\tif ( (match = rcombinators.exec( soFar )) ) {\n\t\t\tmatched = match.shift();\n\t\t\ttokens.push({\n\t\t\t\tvalue: matched,\n\t\t\t\t// Cast descendant combinators to space\n\t\t\t\ttype: match[0].replace( rtrim, \" \" )\n\t\t\t});\n\t\t\tsoFar = soFar.slice( matched.length );\n\t\t}\n\n\t\t// Filters\n\t\tfor ( type in Expr.filter ) {\n\t\t\tif ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||\n\t\t\t\t(match = preFilters[ type ]( match ))) ) {\n\t\t\t\tmatched = match.shift();\n\t\t\t\ttokens.push({\n\t\t\t\t\tvalue: matched,\n\t\t\t\t\ttype: type,\n\t\t\t\t\tmatches: match\n\t\t\t\t});\n\t\t\t\tsoFar = soFar.slice( matched.length );\n\t\t\t}\n\t\t}\n\n\t\tif ( !matched ) {\n\t\t\tbreak;\n\t\t}\n\t}\n\n\t// Return the length of the invalid excess\n\t// if we're just parsing\n\t// Otherwise, throw an error or return tokens\n\treturn parseOnly ?\n\t\tsoFar.length :\n\t\tsoFar ?\n\t\t\tSizzle.error( selector ) :\n\t\t\t// Cache the tokens\n\t\t\ttokenCache( selector, groups ).slice( 0 );\n};\n\nfunction toSelector( tokens ) {\n\tvar i = 0,\n\t\tlen = tokens.length,\n\t\tselector = \"\";\n\tfor ( ; i < len; i++ ) {\n\t\tselector += tokens[i].value;\n\t}\n\treturn selector;\n}\n\nfunction addCombinator( matcher, combinator, base ) {\n\tvar dir = combinator.dir,\n\t\tcheckNonElements = base && dir === \"parentNode\",\n\t\tdoneName = done++;\n\n\treturn combinator.first ?\n\t\t// Check against closest ancestor/preceding element\n\t\tfunction( elem, context, xml ) {\n\t\t\twhile ( (elem = elem[ dir ]) ) {\n\t\t\t\tif ( elem.nodeType === 1 || checkNonElements ) {\n\t\t\t\t\treturn matcher( elem, context, xml );\n\t\t\t\t}\n\t\t\t}\n\t\t} :\n\n\t\t// Check against all ancestor/preceding elements\n\t\tfunction( elem, context, xml ) {\n\t\t\tvar oldCache, uniqueCache, outerCache,\n\t\t\t\tnewCache = [ dirruns, doneName ];\n\n\t\t\t// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching\n\t\t\tif ( xml ) {\n\t\t\t\twhile ( (elem = elem[ dir ]) ) {\n\t\t\t\t\tif ( elem.nodeType === 1 || checkNonElements ) {\n\t\t\t\t\t\tif ( matcher( elem, context, xml ) ) {\n\t\t\t\t\t\t\treturn true;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\twhile ( (elem = elem[ dir ]) ) {\n\t\t\t\t\tif ( elem.nodeType === 1 || checkNonElements ) {\n\t\t\t\t\t\touterCache = elem[ expando ] || (elem[ expando ] = {});\n\n\t\t\t\t\t\t// Support: IE <9 only\n\t\t\t\t\t\t// Defend against cloned attroperties (jQuery gh-1709)\n\t\t\t\t\t\tuniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});\n\n\t\t\t\t\t\tif ( (oldCache = uniqueCache[ dir ]) &&\n\t\t\t\t\t\t\toldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {\n\n\t\t\t\t\t\t\t// Assign to newCache so results back-propagate to previous elements\n\t\t\t\t\t\t\treturn (newCache[ 2 ] = oldCache[ 2 ]);\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t// Reuse newcache so results back-propagate to previous elements\n\t\t\t\t\t\t\tuniqueCache[ dir ] = newCache;\n\n\t\t\t\t\t\t\t// A match means we're done; a fail means we have to keep checking\n\t\t\t\t\t\t\tif ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {\n\t\t\t\t\t\t\t\treturn true;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t};\n}\n\nfunction elementMatcher( matchers ) {\n\treturn matchers.length > 1 ?\n\t\tfunction( elem, context, xml ) {\n\t\t\tvar i = matchers.length;\n\t\t\twhile ( i-- ) {\n\t\t\t\tif ( !matchers[i]( elem, context, xml ) ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn true;\n\t\t} :\n\t\tmatchers[0];\n}\n\nfunction multipleContexts( selector, contexts, results ) {\n\tvar i = 0,\n\t\tlen = contexts.length;\n\tfor ( ; i < len; i++ ) {\n\t\tSizzle( selector, contexts[i], results );\n\t}\n\treturn results;\n}\n\nfunction condense( unmatched, map, filter, context, xml ) {\n\tvar elem,\n\t\tnewUnmatched = [],\n\t\ti = 0,\n\t\tlen = unmatched.length,\n\t\tmapped = map != null;\n\n\tfor ( ; i < len; i++ ) {\n\t\tif ( (elem = unmatched[i]) ) {\n\t\t\tif ( !filter || filter( elem, context, xml ) ) {\n\t\t\t\tnewUnmatched.push( elem );\n\t\t\t\tif ( mapped ) {\n\t\t\t\t\tmap.push( i );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn newUnmatched;\n}\n\nfunction setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {\n\tif ( postFilter && !postFilter[ expando ] ) {\n\t\tpostFilter = setMatcher( postFilter );\n\t}\n\tif ( postFinder && !postFinder[ expando ] ) {\n\t\tpostFinder = setMatcher( postFinder, postSelector );\n\t}\n\treturn markFunction(function( seed, results, context, xml ) {\n\t\tvar temp, i, elem,\n\t\t\tpreMap = [],\n\t\t\tpostMap = [],\n\t\t\tpreexisting = results.length,\n\n\t\t\t// Get initial elements from seed or context\n\t\t\telems = seed || multipleContexts( selector || \"*\", context.nodeType ? [ context ] : context, [] ),\n\n\t\t\t// Prefilter to get matcher input, preserving a map for seed-results synchronization\n\t\t\tmatcherIn = preFilter && ( seed || !selector ) ?\n\t\t\t\tcondense( elems, preMap, preFilter, context, xml ) :\n\t\t\t\telems,\n\n\t\t\tmatcherOut = matcher ?\n\t\t\t\t// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,\n\t\t\t\tpostFinder || ( seed ? preFilter : preexisting || postFilter ) ?\n\n\t\t\t\t\t// ...intermediate processing is necessary\n\t\t\t\t\t[] :\n\n\t\t\t\t\t// ...otherwise use results directly\n\t\t\t\t\tresults :\n\t\t\t\tmatcherIn;\n\n\t\t// Find primary matches\n\t\tif ( matcher ) {\n\t\t\tmatcher( matcherIn, matcherOut, context, xml );\n\t\t}\n\n\t\t// Apply postFilter\n\t\tif ( postFilter ) {\n\t\t\ttemp = condense( matcherOut, postMap );\n\t\t\tpostFilter( temp, [], context, xml );\n\n\t\t\t// Un-match failing elements by moving them back to matcherIn\n\t\t\ti = temp.length;\n\t\t\twhile ( i-- ) {\n\t\t\t\tif ( (elem = temp[i]) ) {\n\t\t\t\t\tmatcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif ( seed ) {\n\t\t\tif ( postFinder || preFilter ) {\n\t\t\t\tif ( postFinder ) {\n\t\t\t\t\t// Get the final matcherOut by condensing this intermediate into postFinder contexts\n\t\t\t\t\ttemp = [];\n\t\t\t\t\ti = matcherOut.length;\n\t\t\t\t\twhile ( i-- ) {\n\t\t\t\t\t\tif ( (elem = matcherOut[i]) ) {\n\t\t\t\t\t\t\t// Restore matcherIn since elem is not yet a final match\n\t\t\t\t\t\t\ttemp.push( (matcherIn[i] = elem) );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tpostFinder( null, (matcherOut = []), temp, xml );\n\t\t\t\t}\n\n\t\t\t\t// Move matched elements from seed to results to keep them synchronized\n\t\t\t\ti = matcherOut.length;\n\t\t\t\twhile ( i-- ) {\n\t\t\t\t\tif ( (elem = matcherOut[i]) &&\n\t\t\t\t\t\t(temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {\n\n\t\t\t\t\t\tseed[temp] = !(results[temp] = elem);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t// Add elements to results, through postFinder if defined\n\t\t} else {\n\t\t\tmatcherOut = condense(\n\t\t\t\tmatcherOut === results ?\n\t\t\t\t\tmatcherOut.splice( preexisting, matcherOut.length ) :\n\t\t\t\t\tmatcherOut\n\t\t\t);\n\t\t\tif ( postFinder ) {\n\t\t\t\tpostFinder( null, results, matcherOut, xml );\n\t\t\t} else {\n\t\t\t\tpush.apply( results, matcherOut );\n\t\t\t}\n\t\t}\n\t});\n}\n\nfunction matcherFromTokens( tokens ) {\n\tvar checkContext, matcher, j,\n\t\tlen = tokens.length,\n\t\tleadingRelative = Expr.relative[ tokens[0].type ],\n\t\timplicitRelative = leadingRelative || Expr.relative[\" \"],\n\t\ti = leadingRelative ? 1 : 0,\n\n\t\t// The foundational matcher ensures that elements are reachable from top-level context(s)\n\t\tmatchContext = addCombinator( function( elem ) {\n\t\t\treturn elem === checkContext;\n\t\t}, implicitRelative, true ),\n\t\tmatchAnyContext = addCombinator( function( elem ) {\n\t\t\treturn indexOf( checkContext, elem ) > -1;\n\t\t}, implicitRelative, true ),\n\t\tmatchers = [ function( elem, context, xml ) {\n\t\t\tvar ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (\n\t\t\t\t(checkContext = context).nodeType ?\n\t\t\t\t\tmatchContext( elem, context, xml ) :\n\t\t\t\t\tmatchAnyContext( elem, context, xml ) );\n\t\t\t// Avoid hanging onto element (issue #299)\n\t\t\tcheckContext = null;\n\t\t\treturn ret;\n\t\t} ];\n\n\tfor ( ; i < len; i++ ) {\n\t\tif ( (matcher = Expr.relative[ tokens[i].type ]) ) {\n\t\t\tmatchers = [ addCombinator(elementMatcher( matchers ), matcher) ];\n\t\t} else {\n\t\t\tmatcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );\n\n\t\t\t// Return special upon seeing a positional matcher\n\t\t\tif ( matcher[ expando ] ) {\n\t\t\t\t// Find the next relative operator (if any) for proper handling\n\t\t\t\tj = ++i;\n\t\t\t\tfor ( ; j < len; j++ ) {\n\t\t\t\t\tif ( Expr.relative[ tokens[j].type ] ) {\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\treturn setMatcher(\n\t\t\t\t\ti > 1 && elementMatcher( matchers ),\n\t\t\t\t\ti > 1 && toSelector(\n\t\t\t\t\t\t// If the preceding token was a descendant combinator, insert an implicit any-element `*`\n\t\t\t\t\t\ttokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === \" \" ? \"*\" : \"\" })\n\t\t\t\t\t).replace( rtrim, \"$1\" ),\n\t\t\t\t\tmatcher,\n\t\t\t\t\ti < j && matcherFromTokens( tokens.slice( i, j ) ),\n\t\t\t\t\tj < len && matcherFromTokens( (tokens = tokens.slice( j )) ),\n\t\t\t\t\tj < len && toSelector( tokens )\n\t\t\t\t);\n\t\t\t}\n\t\t\tmatchers.push( matcher );\n\t\t}\n\t}\n\n\treturn elementMatcher( matchers );\n}\n\nfunction matcherFromGroupMatchers( elementMatchers, setMatchers ) {\n\tvar bySet = setMatchers.length > 0,\n\t\tbyElement = elementMatchers.length > 0,\n\t\tsuperMatcher = function( seed, context, xml, results, outermost ) {\n\t\t\tvar elem, j, matcher,\n\t\t\t\tmatchedCount = 0,\n\t\t\t\ti = \"0\",\n\t\t\t\tunmatched = seed && [],\n\t\t\t\tsetMatched = [],\n\t\t\t\tcontextBackup = outermostContext,\n\t\t\t\t// We must always have either seed elements or outermost context\n\t\t\t\telems = seed || byElement && Expr.find[\"TAG\"]( \"*\", outermost ),\n\t\t\t\t// Use integer dirruns iff this is the outermost matcher\n\t\t\t\tdirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),\n\t\t\t\tlen = elems.length;\n\n\t\t\tif ( outermost ) {\n\t\t\t\toutermostContext = context === document || context || outermost;\n\t\t\t}\n\n\t\t\t// Add elements passing elementMatchers directly to results\n\t\t\t// Support: IE<9, Safari\n\t\t\t// Tolerate NodeList properties (IE: \"length\"; Safari: <number>) matching elements by id\n\t\t\tfor ( ; i !== len && (elem = elems[i]) != null; i++ ) {\n\t\t\t\tif ( byElement && elem ) {\n\t\t\t\t\tj = 0;\n\t\t\t\t\tif ( !context && elem.ownerDocument !== document ) {\n\t\t\t\t\t\tsetDocument( elem );\n\t\t\t\t\t\txml = !documentIsHTML;\n\t\t\t\t\t}\n\t\t\t\t\twhile ( (matcher = elementMatchers[j++]) ) {\n\t\t\t\t\t\tif ( matcher( elem, context || document, xml) ) {\n\t\t\t\t\t\t\tresults.push( elem );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tif ( outermost ) {\n\t\t\t\t\t\tdirruns = dirrunsUnique;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Track unmatched elements for set filters\n\t\t\t\tif ( bySet ) {\n\t\t\t\t\t// They will have gone through all possible matchers\n\t\t\t\t\tif ( (elem = !matcher && elem) ) {\n\t\t\t\t\t\tmatchedCount--;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Lengthen the array for every element, matched or not\n\t\t\t\t\tif ( seed ) {\n\t\t\t\t\t\tunmatched.push( elem );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// `i` is now the count of elements visited above, and adding it to `matchedCount`\n\t\t\t// makes the latter nonnegative.\n\t\t\tmatchedCount += i;\n\n\t\t\t// Apply set filters to unmatched elements\n\t\t\t// NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`\n\t\t\t// equals `i`), unless we didn't visit _any_ elements in the above loop because we have\n\t\t\t// no element matchers and no seed.\n\t\t\t// Incrementing an initially-string \"0\" `i` allows `i` to remain a string only in that\n\t\t\t// case, which will result in a \"00\" `matchedCount` that differs from `i` but is also\n\t\t\t// numerically zero.\n\t\t\tif ( bySet && i !== matchedCount ) {\n\t\t\t\tj = 0;\n\t\t\t\twhile ( (matcher = setMatchers[j++]) ) {\n\t\t\t\t\tmatcher( unmatched, setMatched, context, xml );\n\t\t\t\t}\n\n\t\t\t\tif ( seed ) {\n\t\t\t\t\t// Reintegrate element matches to eliminate the need for sorting\n\t\t\t\t\tif ( matchedCount > 0 ) {\n\t\t\t\t\t\twhile ( i-- ) {\n\t\t\t\t\t\t\tif ( !(unmatched[i] || setMatched[i]) ) {\n\t\t\t\t\t\t\t\tsetMatched[i] = pop.call( results );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\t// Discard index placeholder values to get only actual matches\n\t\t\t\t\tsetMatched = condense( setMatched );\n\t\t\t\t}\n\n\t\t\t\t// Add matches to results\n\t\t\t\tpush.apply( results, setMatched );\n\n\t\t\t\t// Seedless set matches succeeding multiple successful matchers stipulate sorting\n\t\t\t\tif ( outermost && !seed && setMatched.length > 0 &&\n\t\t\t\t\t( matchedCount + setMatchers.length ) > 1 ) {\n\n\t\t\t\t\tSizzle.uniqueSort( results );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Override manipulation of globals by nested matchers\n\t\t\tif ( outermost ) {\n\t\t\t\tdirruns = dirrunsUnique;\n\t\t\t\toutermostContext = contextBackup;\n\t\t\t}\n\n\t\t\treturn unmatched;\n\t\t};\n\n\treturn bySet ?\n\t\tmarkFunction( superMatcher ) :\n\t\tsuperMatcher;\n}\n\ncompile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {\n\tvar i,\n\t\tsetMatchers = [],\n\t\telementMatchers = [],\n\t\tcached = compilerCache[ selector + \" \" ];\n\n\tif ( !cached ) {\n\t\t// Generate a function of recursive functions that can be used to check each element\n\t\tif ( !match ) {\n\t\t\tmatch = tokenize( selector );\n\t\t}\n\t\ti = match.length;\n\t\twhile ( i-- ) {\n\t\t\tcached = matcherFromTokens( match[i] );\n\t\t\tif ( cached[ expando ] ) {\n\t\t\t\tsetMatchers.push( cached );\n\t\t\t} else {\n\t\t\t\telementMatchers.push( cached );\n\t\t\t}\n\t\t}\n\n\t\t// Cache the compiled function\n\t\tcached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );\n\n\t\t// Save selector and tokenization\n\t\tcached.selector = selector;\n\t}\n\treturn cached;\n};\n\n/**\n * A low-level selection function that works with Sizzle's compiled\n *  selector functions\n * @param {String|Function} selector A selector or a pre-compiled\n *  selector function built with Sizzle.compile\n * @param {Element} context\n * @param {Array} [results]\n * @param {Array} [seed] A set of elements to match against\n */\nselect = Sizzle.select = function( selector, context, results, seed ) {\n\tvar i, tokens, token, type, find,\n\t\tcompiled = typeof selector === \"function\" && selector,\n\t\tmatch = !seed && tokenize( (selector = compiled.selector || selector) );\n\n\tresults = results || [];\n\n\t// Try to minimize operations if there is only one selector in the list and no seed\n\t// (the latter of which guarantees us context)\n\tif ( match.length === 1 ) {\n\n\t\t// Reduce context if the leading compound selector is an ID\n\t\ttokens = match[0] = match[0].slice( 0 );\n\t\tif ( tokens.length > 2 && (token = tokens[0]).type === \"ID\" &&\n\t\t\t\tsupport.getById && context.nodeType === 9 && documentIsHTML &&\n\t\t\t\tExpr.relative[ tokens[1].type ] ) {\n\n\t\t\tcontext = ( Expr.find[\"ID\"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];\n\t\t\tif ( !context ) {\n\t\t\t\treturn results;\n\n\t\t\t// Precompiled matchers will still verify ancestry, so step up a level\n\t\t\t} else if ( compiled ) {\n\t\t\t\tcontext = context.parentNode;\n\t\t\t}\n\n\t\t\tselector = selector.slice( tokens.shift().value.length );\n\t\t}\n\n\t\t// Fetch a seed set for right-to-left matching\n\t\ti = matchExpr[\"needsContext\"].test( selector ) ? 0 : tokens.length;\n\t\twhile ( i-- ) {\n\t\t\ttoken = tokens[i];\n\n\t\t\t// Abort if we hit a combinator\n\t\t\tif ( Expr.relative[ (type = token.type) ] ) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif ( (find = Expr.find[ type ]) ) {\n\t\t\t\t// Search, expanding context for leading sibling combinators\n\t\t\t\tif ( (seed = find(\n\t\t\t\t\ttoken.matches[0].replace( runescape, funescape ),\n\t\t\t\t\trsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context\n\t\t\t\t)) ) {\n\n\t\t\t\t\t// If seed is empty or no tokens remain, we can return early\n\t\t\t\t\ttokens.splice( i, 1 );\n\t\t\t\t\tselector = seed.length && toSelector( tokens );\n\t\t\t\t\tif ( !selector ) {\n\t\t\t\t\t\tpush.apply( results, seed );\n\t\t\t\t\t\treturn results;\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// Compile and execute a filtering function if one is not provided\n\t// Provide `match` to avoid retokenization if we modified the selector above\n\t( compiled || compile( selector, match ) )(\n\t\tseed,\n\t\tcontext,\n\t\t!documentIsHTML,\n\t\tresults,\n\t\t!context || rsibling.test( selector ) && testContext( context.parentNode ) || context\n\t);\n\treturn results;\n};\n\n// One-time assignments\n\n// Sort stability\nsupport.sortStable = expando.split(\"\").sort( sortOrder ).join(\"\") === expando;\n\n// Support: Chrome 14-35+\n// Always assume duplicates if they aren't passed to the comparison function\nsupport.detectDuplicates = !!hasDuplicate;\n\n// Initialize against the default document\nsetDocument();\n\n// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)\n// Detached nodes confoundingly follow *each other*\nsupport.sortDetached = assert(function( div1 ) {\n\t// Should return 1, but returns 4 (following)\n\treturn div1.compareDocumentPosition( document.createElement(\"div\") ) & 1;\n});\n\n// Support: IE<8\n// Prevent attribute/property \"interpolation\"\n// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx\nif ( !assert(function( div ) {\n\tdiv.innerHTML = \"<a href='#'></a>\";\n\treturn div.firstChild.getAttribute(\"href\") === \"#\" ;\n}) ) {\n\taddHandle( \"type|href|height|width\", function( elem, name, isXML ) {\n\t\tif ( !isXML ) {\n\t\t\treturn elem.getAttribute( name, name.toLowerCase() === \"type\" ? 1 : 2 );\n\t\t}\n\t});\n}\n\n// Support: IE<9\n// Use defaultValue in place of getAttribute(\"value\")\nif ( !support.attributes || !assert(function( div ) {\n\tdiv.innerHTML = \"<input/>\";\n\tdiv.firstChild.setAttribute( \"value\", \"\" );\n\treturn div.firstChild.getAttribute( \"value\" ) === \"\";\n}) ) {\n\taddHandle( \"value\", function( elem, name, isXML ) {\n\t\tif ( !isXML && elem.nodeName.toLowerCase() === \"input\" ) {\n\t\t\treturn elem.defaultValue;\n\t\t}\n\t});\n}\n\n// Support: IE<9\n// Use getAttributeNode to fetch booleans when getAttribute lies\nif ( !assert(function( div ) {\n\treturn div.getAttribute(\"disabled\") == null;\n}) ) {\n\taddHandle( booleans, function( elem, name, isXML ) {\n\t\tvar val;\n\t\tif ( !isXML ) {\n\t\t\treturn elem[ name ] === true ? name.toLowerCase() :\n\t\t\t\t\t(val = elem.getAttributeNode( name )) && val.specified ?\n\t\t\t\t\tval.value :\n\t\t\t\tnull;\n\t\t}\n\t});\n}\n\nreturn Sizzle;\n\n})( window );\n\n\n\njQuery.find = Sizzle;\njQuery.expr = Sizzle.selectors;\njQuery.expr[ \":\" ] = jQuery.expr.pseudos;\njQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;\njQuery.text = Sizzle.getText;\njQuery.isXMLDoc = Sizzle.isXML;\njQuery.contains = Sizzle.contains;\n\n\n\nvar dir = function( elem, dir, until ) {\n\tvar matched = [],\n\t\ttruncate = until !== undefined;\n\n\twhile ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {\n\t\tif ( elem.nodeType === 1 ) {\n\t\t\tif ( truncate && jQuery( elem ).is( until ) ) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tmatched.push( elem );\n\t\t}\n\t}\n\treturn matched;\n};\n\n\nvar siblings = function( n, elem ) {\n\tvar matched = [];\n\n\tfor ( ; n; n = n.nextSibling ) {\n\t\tif ( n.nodeType === 1 && n !== elem ) {\n\t\t\tmatched.push( n );\n\t\t}\n\t}\n\n\treturn matched;\n};\n\n\nvar rneedsContext = jQuery.expr.match.needsContext;\n\nvar rsingleTag = ( /^<([\\w-]+)\\s*\\/?>(?:<\\/\\1>|)$/ );\n\n\n\nvar risSimple = /^.[^:#\\[\\.,]*$/;\n\n// Implement the identical functionality for filter and not\nfunction winnow( elements, qualifier, not ) {\n\tif ( jQuery.isFunction( qualifier ) ) {\n\t\treturn jQuery.grep( elements, function( elem, i ) {\n\t\t\t/* jshint -W018 */\n\t\t\treturn !!qualifier.call( elem, i, elem ) !== not;\n\t\t} );\n\n\t}\n\n\tif ( qualifier.nodeType ) {\n\t\treturn jQuery.grep( elements, function( elem ) {\n\t\t\treturn ( elem === qualifier ) !== not;\n\t\t} );\n\n\t}\n\n\tif ( typeof qualifier === \"string\" ) {\n\t\tif ( risSimple.test( qualifier ) ) {\n\t\t\treturn jQuery.filter( qualifier, elements, not );\n\t\t}\n\n\t\tqualifier = jQuery.filter( qualifier, elements );\n\t}\n\n\treturn jQuery.grep( elements, function( elem ) {\n\t\treturn ( indexOf.call( qualifier, elem ) > -1 ) !== not;\n\t} );\n}\n\njQuery.filter = function( expr, elems, not ) {\n\tvar elem = elems[ 0 ];\n\n\tif ( not ) {\n\t\texpr = \":not(\" + expr + \")\";\n\t}\n\n\treturn elems.length === 1 && elem.nodeType === 1 ?\n\t\tjQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :\n\t\tjQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {\n\t\t\treturn elem.nodeType === 1;\n\t\t} ) );\n};\n\njQuery.fn.extend( {\n\tfind: function( selector ) {\n\t\tvar i,\n\t\t\tlen = this.length,\n\t\t\tret = [],\n\t\t\tself = this;\n\n\t\tif ( typeof selector !== \"string\" ) {\n\t\t\treturn this.pushStack( jQuery( selector ).filter( function() {\n\t\t\t\tfor ( i = 0; i < len; i++ ) {\n\t\t\t\t\tif ( jQuery.contains( self[ i ], this ) ) {\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} ) );\n\t\t}\n\n\t\tfor ( i = 0; i < len; i++ ) {\n\t\t\tjQuery.find( selector, self[ i ], ret );\n\t\t}\n\n\t\t// Needed because $( selector, context ) becomes $( context ).find( selector )\n\t\tret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );\n\t\tret.selector = this.selector ? this.selector + \" \" + selector : selector;\n\t\treturn ret;\n\t},\n\tfilter: function( selector ) {\n\t\treturn this.pushStack( winnow( this, selector || [], false ) );\n\t},\n\tnot: function( selector ) {\n\t\treturn this.pushStack( winnow( this, selector || [], true ) );\n\t},\n\tis: function( selector ) {\n\t\treturn !!winnow(\n\t\t\tthis,\n\n\t\t\t// If this is a positional/relative selector, check membership in the returned set\n\t\t\t// so $(\"p:first\").is(\"p:last\") won't return true for a doc with two \"p\".\n\t\t\ttypeof selector === \"string\" && rneedsContext.test( selector ) ?\n\t\t\t\tjQuery( selector ) :\n\t\t\t\tselector || [],\n\t\t\tfalse\n\t\t).length;\n\t}\n} );\n\n\n// Initialize a jQuery object\n\n\n// A central reference to the root jQuery(document)\nvar rootjQuery,\n\n\t// A simple way to check for HTML strings\n\t// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)\n\t// Strict HTML recognition (#11290: must start with <)\n\trquickExpr = /^(?:\\s*(<[\\w\\W]+>)[^>]*|#([\\w-]*))$/,\n\n\tinit = jQuery.fn.init = function( selector, context, root ) {\n\t\tvar match, elem;\n\n\t\t// HANDLE: $(\"\"), $(null), $(undefined), $(false)\n\t\tif ( !selector ) {\n\t\t\treturn this;\n\t\t}\n\n\t\t// Method init() accepts an alternate rootjQuery\n\t\t// so migrate can support jQuery.sub (gh-2101)\n\t\troot = root || rootjQuery;\n\n\t\t// Handle HTML strings\n\t\tif ( typeof selector === \"string\" ) {\n\t\t\tif ( selector[ 0 ] === \"<\" &&\n\t\t\t\tselector[ selector.length - 1 ] === \">\" &&\n\t\t\t\tselector.length >= 3 ) {\n\n\t\t\t\t// Assume that strings that start and end with <> are HTML and skip the regex check\n\t\t\t\tmatch = [ null, selector, null ];\n\n\t\t\t} else {\n\t\t\t\tmatch = rquickExpr.exec( selector );\n\t\t\t}\n\n\t\t\t// Match html or make sure no context is specified for #id\n\t\t\tif ( match && ( match[ 1 ] || !context ) ) {\n\n\t\t\t\t// HANDLE: $(html) -> $(array)\n\t\t\t\tif ( match[ 1 ] ) {\n\t\t\t\t\tcontext = context instanceof jQuery ? context[ 0 ] : context;\n\n\t\t\t\t\t// Option to run scripts is true for back-compat\n\t\t\t\t\t// Intentionally let the error be thrown if parseHTML is not present\n\t\t\t\t\tjQuery.merge( this, jQuery.parseHTML(\n\t\t\t\t\t\tmatch[ 1 ],\n\t\t\t\t\t\tcontext && context.nodeType ? context.ownerDocument || context : document,\n\t\t\t\t\t\ttrue\n\t\t\t\t\t) );\n\n\t\t\t\t\t// HANDLE: $(html, props)\n\t\t\t\t\tif ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {\n\t\t\t\t\t\tfor ( match in context ) {\n\n\t\t\t\t\t\t\t// Properties of context are called as methods if possible\n\t\t\t\t\t\t\tif ( jQuery.isFunction( this[ match ] ) ) {\n\t\t\t\t\t\t\t\tthis[ match ]( context[ match ] );\n\n\t\t\t\t\t\t\t// ...and otherwise set as attributes\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\tthis.attr( match, context[ match ] );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t// HANDLE: $(#id)\n\t\t\t\t} else {\n\t\t\t\t\telem = document.getElementById( match[ 2 ] );\n\n\t\t\t\t\t// Support: Blackberry 4.6\n\t\t\t\t\t// gEBID returns nodes no longer in the document (#6963)\n\t\t\t\t\tif ( elem && elem.parentNode ) {\n\n\t\t\t\t\t\t// Inject the element directly into the jQuery object\n\t\t\t\t\t\tthis.length = 1;\n\t\t\t\t\t\tthis[ 0 ] = elem;\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.context = document;\n\t\t\t\t\tthis.selector = selector;\n\t\t\t\t\treturn this;\n\t\t\t\t}\n\n\t\t\t// HANDLE: $(expr, $(...))\n\t\t\t} else if ( !context || context.jquery ) {\n\t\t\t\treturn ( context || root ).find( selector );\n\n\t\t\t// HANDLE: $(expr, context)\n\t\t\t// (which is just equivalent to: $(context).find(expr)\n\t\t\t} else {\n\t\t\t\treturn this.constructor( context ).find( selector );\n\t\t\t}\n\n\t\t// HANDLE: $(DOMElement)\n\t\t} else if ( selector.nodeType ) {\n\t\t\tthis.context = this[ 0 ] = selector;\n\t\t\tthis.length = 1;\n\t\t\treturn this;\n\n\t\t// HANDLE: $(function)\n\t\t// Shortcut for document ready\n\t\t} else if ( jQuery.isFunction( selector ) ) {\n\t\t\treturn root.ready !== undefined ?\n\t\t\t\troot.ready( selector ) :\n\n\t\t\t\t// Execute immediately if ready is not present\n\t\t\t\tselector( jQuery );\n\t\t}\n\n\t\tif ( selector.selector !== undefined ) {\n\t\t\tthis.selector = selector.selector;\n\t\t\tthis.context = selector.context;\n\t\t}\n\n\t\treturn jQuery.makeArray( selector, this );\n\t};\n\n// Give the init function the jQuery prototype for later instantiation\ninit.prototype = jQuery.fn;\n\n// Initialize central reference\nrootjQuery = jQuery( document );\n\n\nvar rparentsprev = /^(?:parents|prev(?:Until|All))/,\n\n\t// Methods guaranteed to produce a unique set when starting from a unique set\n\tguaranteedUnique = {\n\t\tchildren: true,\n\t\tcontents: true,\n\t\tnext: true,\n\t\tprev: true\n\t};\n\njQuery.fn.extend( {\n\thas: function( target ) {\n\t\tvar targets = jQuery( target, this ),\n\t\t\tl = targets.length;\n\n\t\treturn this.filter( function() {\n\t\t\tvar i = 0;\n\t\t\tfor ( ; i < l; i++ ) {\n\t\t\t\tif ( jQuery.contains( this, targets[ i ] ) ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t},\n\n\tclosest: function( selectors, context ) {\n\t\tvar cur,\n\t\t\ti = 0,\n\t\t\tl = this.length,\n\t\t\tmatched = [],\n\t\t\tpos = rneedsContext.test( selectors ) || typeof selectors !== \"string\" ?\n\t\t\t\tjQuery( selectors, context || this.context ) :\n\t\t\t\t0;\n\n\t\tfor ( ; i < l; i++ ) {\n\t\t\tfor ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {\n\n\t\t\t\t// Always skip document fragments\n\t\t\t\tif ( cur.nodeType < 11 && ( pos ?\n\t\t\t\t\tpos.index( cur ) > -1 :\n\n\t\t\t\t\t// Don't pass non-elements to Sizzle\n\t\t\t\t\tcur.nodeType === 1 &&\n\t\t\t\t\t\tjQuery.find.matchesSelector( cur, selectors ) ) ) {\n\n\t\t\t\t\tmatched.push( cur );\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );\n\t},\n\n\t// Determine the position of an element within the set\n\tindex: function( elem ) {\n\n\t\t// No argument, return index in parent\n\t\tif ( !elem ) {\n\t\t\treturn ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;\n\t\t}\n\n\t\t// Index in selector\n\t\tif ( typeof elem === \"string\" ) {\n\t\t\treturn indexOf.call( jQuery( elem ), this[ 0 ] );\n\t\t}\n\n\t\t// Locate the position of the desired element\n\t\treturn indexOf.call( this,\n\n\t\t\t// If it receives a jQuery object, the first element is used\n\t\t\telem.jquery ? elem[ 0 ] : elem\n\t\t);\n\t},\n\n\tadd: function( selector, context ) {\n\t\treturn this.pushStack(\n\t\t\tjQuery.uniqueSort(\n\t\t\t\tjQuery.merge( this.get(), jQuery( selector, context ) )\n\t\t\t)\n\t\t);\n\t},\n\n\taddBack: function( selector ) {\n\t\treturn this.add( selector == null ?\n\t\t\tthis.prevObject : this.prevObject.filter( selector )\n\t\t);\n\t}\n} );\n\nfunction sibling( cur, dir ) {\n\twhile ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}\n\treturn cur;\n}\n\njQuery.each( {\n\tparent: function( elem ) {\n\t\tvar parent = elem.parentNode;\n\t\treturn parent && parent.nodeType !== 11 ? parent : null;\n\t},\n\tparents: function( elem ) {\n\t\treturn dir( elem, \"parentNode\" );\n\t},\n\tparentsUntil: function( elem, i, until ) {\n\t\treturn dir( elem, \"parentNode\", until );\n\t},\n\tnext: function( elem ) {\n\t\treturn sibling( elem, \"nextSibling\" );\n\t},\n\tprev: function( elem ) {\n\t\treturn sibling( elem, \"previousSibling\" );\n\t},\n\tnextAll: function( elem ) {\n\t\treturn dir( elem, \"nextSibling\" );\n\t},\n\tprevAll: function( elem ) {\n\t\treturn dir( elem, \"previousSibling\" );\n\t},\n\tnextUntil: function( elem, i, until ) {\n\t\treturn dir( elem, \"nextSibling\", until );\n\t},\n\tprevUntil: function( elem, i, until ) {\n\t\treturn dir( elem, \"previousSibling\", until );\n\t},\n\tsiblings: function( elem ) {\n\t\treturn siblings( ( elem.parentNode || {} ).firstChild, elem );\n\t},\n\tchildren: function( elem ) {\n\t\treturn siblings( elem.firstChild );\n\t},\n\tcontents: function( elem ) {\n\t\treturn elem.contentDocument || jQuery.merge( [], elem.childNodes );\n\t}\n}, function( name, fn ) {\n\tjQuery.fn[ name ] = function( until, selector ) {\n\t\tvar matched = jQuery.map( this, fn, until );\n\n\t\tif ( name.slice( -5 ) !== \"Until\" ) {\n\t\t\tselector = until;\n\t\t}\n\n\t\tif ( selector && typeof selector === \"string\" ) {\n\t\t\tmatched = jQuery.filter( selector, matched );\n\t\t}\n\n\t\tif ( this.length > 1 ) {\n\n\t\t\t// Remove duplicates\n\t\t\tif ( !guaranteedUnique[ name ] ) {\n\t\t\t\tjQuery.uniqueSort( matched );\n\t\t\t}\n\n\t\t\t// Reverse order for parents* and prev-derivatives\n\t\t\tif ( rparentsprev.test( name ) ) {\n\t\t\t\tmatched.reverse();\n\t\t\t}\n\t\t}\n\n\t\treturn this.pushStack( matched );\n\t};\n} );\nvar rnotwhite = ( /\\S+/g );\n\n\n\n// Convert String-formatted options into Object-formatted ones\nfunction createOptions( options ) {\n\tvar object = {};\n\tjQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {\n\t\tobject[ flag ] = true;\n\t} );\n\treturn object;\n}\n\n/*\n * Create a callback list using the following parameters:\n *\n *\toptions: an optional list of space-separated options that will change how\n *\t\t\tthe callback list behaves or a more traditional option object\n *\n * By default a callback list will act like an event callback list and can be\n * \"fired\" multiple times.\n *\n * Possible options:\n *\n *\tonce:\t\t\twill ensure the callback list can only be fired once (like a Deferred)\n *\n *\tmemory:\t\t\twill keep track of previous values and will call any callback added\n *\t\t\t\t\tafter the list has been fired right away with the latest \"memorized\"\n *\t\t\t\t\tvalues (like a Deferred)\n *\n *\tunique:\t\t\twill ensure a callback can only be added once (no duplicate in the list)\n *\n *\tstopOnFalse:\tinterrupt callings when a callback returns false\n *\n */\njQuery.Callbacks = function( options ) {\n\n\t// Convert options from String-formatted to Object-formatted if needed\n\t// (we check in cache first)\n\toptions = typeof options === \"string\" ?\n\t\tcreateOptions( options ) :\n\t\tjQuery.extend( {}, options );\n\n\tvar // Flag to know if list is currently firing\n\t\tfiring,\n\n\t\t// Last fire value for non-forgettable lists\n\t\tmemory,\n\n\t\t// Flag to know if list was already fired\n\t\tfired,\n\n\t\t// Flag to prevent firing\n\t\tlocked,\n\n\t\t// Actual callback list\n\t\tlist = [],\n\n\t\t// Queue of execution data for repeatable lists\n\t\tqueue = [],\n\n\t\t// Index of currently firing callback (modified by add/remove as needed)\n\t\tfiringIndex = -1,\n\n\t\t// Fire callbacks\n\t\tfire = function() {\n\n\t\t\t// Enforce single-firing\n\t\t\tlocked = options.once;\n\n\t\t\t// Execute callbacks for all pending executions,\n\t\t\t// respecting firingIndex overrides and runtime changes\n\t\t\tfired = firing = true;\n\t\t\tfor ( ; queue.length; firingIndex = -1 ) {\n\t\t\t\tmemory = queue.shift();\n\t\t\t\twhile ( ++firingIndex < list.length ) {\n\n\t\t\t\t\t// Run callback and check for early termination\n\t\t\t\t\tif ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&\n\t\t\t\t\t\toptions.stopOnFalse ) {\n\n\t\t\t\t\t\t// Jump to end and forget the data so .add doesn't re-fire\n\t\t\t\t\t\tfiringIndex = list.length;\n\t\t\t\t\t\tmemory = false;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Forget the data if we're done with it\n\t\t\tif ( !options.memory ) {\n\t\t\t\tmemory = false;\n\t\t\t}\n\n\t\t\tfiring = false;\n\n\t\t\t// Clean up if we're done firing for good\n\t\t\tif ( locked ) {\n\n\t\t\t\t// Keep an empty list if we have data for future add calls\n\t\t\t\tif ( memory ) {\n\t\t\t\t\tlist = [];\n\n\t\t\t\t// Otherwise, this object is spent\n\t\t\t\t} else {\n\t\t\t\t\tlist = \"\";\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\n\t\t// Actual Callbacks object\n\t\tself = {\n\n\t\t\t// Add a callback or a collection of callbacks to the list\n\t\t\tadd: function() {\n\t\t\t\tif ( list ) {\n\n\t\t\t\t\t// If we have memory from a past run, we should fire after adding\n\t\t\t\t\tif ( memory && !firing ) {\n\t\t\t\t\t\tfiringIndex = list.length - 1;\n\t\t\t\t\t\tqueue.push( memory );\n\t\t\t\t\t}\n\n\t\t\t\t\t( function add( args ) {\n\t\t\t\t\t\tjQuery.each( args, function( _, arg ) {\n\t\t\t\t\t\t\tif ( jQuery.isFunction( arg ) ) {\n\t\t\t\t\t\t\t\tif ( !options.unique || !self.has( arg ) ) {\n\t\t\t\t\t\t\t\t\tlist.push( arg );\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t} else if ( arg && arg.length && jQuery.type( arg ) !== \"string\" ) {\n\n\t\t\t\t\t\t\t\t// Inspect recursively\n\t\t\t\t\t\t\t\tadd( arg );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} );\n\t\t\t\t\t} )( arguments );\n\n\t\t\t\t\tif ( memory && !firing ) {\n\t\t\t\t\t\tfire();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\treturn this;\n\t\t\t},\n\n\t\t\t// Remove a callback from the list\n\t\t\tremove: function() {\n\t\t\t\tjQuery.each( arguments, function( _, arg ) {\n\t\t\t\t\tvar index;\n\t\t\t\t\twhile ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {\n\t\t\t\t\t\tlist.splice( index, 1 );\n\n\t\t\t\t\t\t// Handle firing indexes\n\t\t\t\t\t\tif ( index <= firingIndex ) {\n\t\t\t\t\t\t\tfiringIndex--;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t\t\treturn this;\n\t\t\t},\n\n\t\t\t// Check if a given callback is in the list.\n\t\t\t// If no argument is given, return whether or not list has callbacks attached.\n\t\t\thas: function( fn ) {\n\t\t\t\treturn fn ?\n\t\t\t\t\tjQuery.inArray( fn, list ) > -1 :\n\t\t\t\t\tlist.length > 0;\n\t\t\t},\n\n\t\t\t// Remove all callbacks from the list\n\t\t\tempty: function() {\n\t\t\t\tif ( list ) {\n\t\t\t\t\tlist = [];\n\t\t\t\t}\n\t\t\t\treturn this;\n\t\t\t},\n\n\t\t\t// Disable .fire and .add\n\t\t\t// Abort any current/pending executions\n\t\t\t// Clear all callbacks and values\n\t\t\tdisable: function() {\n\t\t\t\tlocked = queue = [];\n\t\t\t\tlist = memory = \"\";\n\t\t\t\treturn this;\n\t\t\t},\n\t\t\tdisabled: function() {\n\t\t\t\treturn !list;\n\t\t\t},\n\n\t\t\t// Disable .fire\n\t\t\t// Also disable .add unless we have memory (since it would have no effect)\n\t\t\t// Abort any pending executions\n\t\t\tlock: function() {\n\t\t\t\tlocked = queue = [];\n\t\t\t\tif ( !memory ) {\n\t\t\t\t\tlist = memory = \"\";\n\t\t\t\t}\n\t\t\t\treturn this;\n\t\t\t},\n\t\t\tlocked: function() {\n\t\t\t\treturn !!locked;\n\t\t\t},\n\n\t\t\t// Call all callbacks with the given context and arguments\n\t\t\tfireWith: function( context, args ) {\n\t\t\t\tif ( !locked ) {\n\t\t\t\t\targs = args || [];\n\t\t\t\t\targs = [ context, args.slice ? args.slice() : args ];\n\t\t\t\t\tqueue.push( args );\n\t\t\t\t\tif ( !firing ) {\n\t\t\t\t\t\tfire();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\treturn this;\n\t\t\t},\n\n\t\t\t// Call all the callbacks with the given arguments\n\t\t\tfire: function() {\n\t\t\t\tself.fireWith( this, arguments );\n\t\t\t\treturn this;\n\t\t\t},\n\n\t\t\t// To know if the callbacks have already been called at least once\n\t\t\tfired: function() {\n\t\t\t\treturn !!fired;\n\t\t\t}\n\t\t};\n\n\treturn self;\n};\n\n\njQuery.extend( {\n\n\tDeferred: function( func ) {\n\t\tvar tuples = [\n\n\t\t\t\t// action, add listener, listener list, final state\n\t\t\t\t[ \"resolve\", \"done\", jQuery.Callbacks( \"once memory\" ), \"resolved\" ],\n\t\t\t\t[ \"reject\", \"fail\", jQuery.Callbacks( \"once memory\" ), \"rejected\" ],\n\t\t\t\t[ \"notify\", \"progress\", jQuery.Callbacks( \"memory\" ) ]\n\t\t\t],\n\t\t\tstate = \"pending\",\n\t\t\tpromise = {\n\t\t\t\tstate: function() {\n\t\t\t\t\treturn state;\n\t\t\t\t},\n\t\t\t\talways: function() {\n\t\t\t\t\tdeferred.done( arguments ).fail( arguments );\n\t\t\t\t\treturn this;\n\t\t\t\t},\n\t\t\t\tthen: function( /* fnDone, fnFail, fnProgress */ ) {\n\t\t\t\t\tvar fns = arguments;\n\t\t\t\t\treturn jQuery.Deferred( function( newDefer ) {\n\t\t\t\t\t\tjQuery.each( tuples, function( i, tuple ) {\n\t\t\t\t\t\t\tvar fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];\n\n\t\t\t\t\t\t\t// deferred[ done | fail | progress ] for forwarding actions to newDefer\n\t\t\t\t\t\t\tdeferred[ tuple[ 1 ] ]( function() {\n\t\t\t\t\t\t\t\tvar returned = fn && fn.apply( this, arguments );\n\t\t\t\t\t\t\t\tif ( returned && jQuery.isFunction( returned.promise ) ) {\n\t\t\t\t\t\t\t\t\treturned.promise()\n\t\t\t\t\t\t\t\t\t\t.progress( newDefer.notify )\n\t\t\t\t\t\t\t\t\t\t.done( newDefer.resolve )\n\t\t\t\t\t\t\t\t\t\t.fail( newDefer.reject );\n\t\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\t\tnewDefer[ tuple[ 0 ] + \"With\" ](\n\t\t\t\t\t\t\t\t\t\tthis === promise ? newDefer.promise() : this,\n\t\t\t\t\t\t\t\t\t\tfn ? [ returned ] : arguments\n\t\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t} );\n\t\t\t\t\t\tfns = null;\n\t\t\t\t\t} ).promise();\n\t\t\t\t},\n\n\t\t\t\t// Get a promise for this deferred\n\t\t\t\t// If obj is provided, the promise aspect is added to the object\n\t\t\t\tpromise: function( obj ) {\n\t\t\t\t\treturn obj != null ? jQuery.extend( obj, promise ) : promise;\n\t\t\t\t}\n\t\t\t},\n\t\t\tdeferred = {};\n\n\t\t// Keep pipe for back-compat\n\t\tpromise.pipe = promise.then;\n\n\t\t// Add list-specific methods\n\t\tjQuery.each( tuples, function( i, tuple ) {\n\t\t\tvar list = tuple[ 2 ],\n\t\t\t\tstateString = tuple[ 3 ];\n\n\t\t\t// promise[ done | fail | progress ] = list.add\n\t\t\tpromise[ tuple[ 1 ] ] = list.add;\n\n\t\t\t// Handle state\n\t\t\tif ( stateString ) {\n\t\t\t\tlist.add( function() {\n\n\t\t\t\t\t// state = [ resolved | rejected ]\n\t\t\t\t\tstate = stateString;\n\n\t\t\t\t// [ reject_list | resolve_list ].disable; progress_list.lock\n\t\t\t\t}, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );\n\t\t\t}\n\n\t\t\t// deferred[ resolve | reject | notify ]\n\t\t\tdeferred[ tuple[ 0 ] ] = function() {\n\t\t\t\tdeferred[ tuple[ 0 ] + \"With\" ]( this === deferred ? promise : this, arguments );\n\t\t\t\treturn this;\n\t\t\t};\n\t\t\tdeferred[ tuple[ 0 ] + \"With\" ] = list.fireWith;\n\t\t} );\n\n\t\t// Make the deferred a promise\n\t\tpromise.promise( deferred );\n\n\t\t// Call given func if any\n\t\tif ( func ) {\n\t\t\tfunc.call( deferred, deferred );\n\t\t}\n\n\t\t// All done!\n\t\treturn deferred;\n\t},\n\n\t// Deferred helper\n\twhen: function( subordinate /* , ..., subordinateN */ ) {\n\t\tvar i = 0,\n\t\t\tresolveValues = slice.call( arguments ),\n\t\t\tlength = resolveValues.length,\n\n\t\t\t// the count of uncompleted subordinates\n\t\t\tremaining = length !== 1 ||\n\t\t\t\t( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,\n\n\t\t\t// the master Deferred.\n\t\t\t// If resolveValues consist of only a single Deferred, just use that.\n\t\t\tdeferred = remaining === 1 ? subordinate : jQuery.Deferred(),\n\n\t\t\t// Update function for both resolve and progress values\n\t\t\tupdateFunc = function( i, contexts, values ) {\n\t\t\t\treturn function( value ) {\n\t\t\t\t\tcontexts[ i ] = this;\n\t\t\t\t\tvalues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;\n\t\t\t\t\tif ( values === progressValues ) {\n\t\t\t\t\t\tdeferred.notifyWith( contexts, values );\n\t\t\t\t\t} else if ( !( --remaining ) ) {\n\t\t\t\t\t\tdeferred.resolveWith( contexts, values );\n\t\t\t\t\t}\n\t\t\t\t};\n\t\t\t},\n\n\t\t\tprogressValues, progressContexts, resolveContexts;\n\n\t\t// Add listeners to Deferred subordinates; treat others as resolved\n\t\tif ( length > 1 ) {\n\t\t\tprogressValues = new Array( length );\n\t\t\tprogressContexts = new Array( length );\n\t\t\tresolveContexts = new Array( length );\n\t\t\tfor ( ; i < length; i++ ) {\n\t\t\t\tif ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {\n\t\t\t\t\tresolveValues[ i ].promise()\n\t\t\t\t\t\t.progress( updateFunc( i, progressContexts, progressValues ) )\n\t\t\t\t\t\t.done( updateFunc( i, resolveContexts, resolveValues ) )\n\t\t\t\t\t\t.fail( deferred.reject );\n\t\t\t\t} else {\n\t\t\t\t\t--remaining;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// If we're not waiting on anything, resolve the master\n\t\tif ( !remaining ) {\n\t\t\tdeferred.resolveWith( resolveContexts, resolveValues );\n\t\t}\n\n\t\treturn deferred.promise();\n\t}\n} );\n\n\n// The deferred used on DOM ready\nvar readyList;\n\njQuery.fn.ready = function( fn ) {\n\n\t// Add the callback\n\tjQuery.ready.promise().done( fn );\n\n\treturn this;\n};\n\njQuery.extend( {\n\n\t// Is the DOM ready to be used? Set to true once it occurs.\n\tisReady: false,\n\n\t// A counter to track how many items to wait for before\n\t// the ready event fires. See #6781\n\treadyWait: 1,\n\n\t// Hold (or release) the ready event\n\tholdReady: function( hold ) {\n\t\tif ( hold ) {\n\t\t\tjQuery.readyWait++;\n\t\t} else {\n\t\t\tjQuery.ready( true );\n\t\t}\n\t},\n\n\t// Handle when the DOM is ready\n\tready: function( wait ) {\n\n\t\t// Abort if there are pending holds or we're already ready\n\t\tif ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Remember that the DOM is ready\n\t\tjQuery.isReady = true;\n\n\t\t// If a normal DOM Ready event fired, decrement, and wait if need be\n\t\tif ( wait !== true && --jQuery.readyWait > 0 ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If there are functions bound, to execute\n\t\treadyList.resolveWith( document, [ jQuery ] );\n\n\t\t// Trigger any bound ready events\n\t\tif ( jQuery.fn.triggerHandler ) {\n\t\t\tjQuery( document ).triggerHandler( \"ready\" );\n\t\t\tjQuery( document ).off( \"ready\" );\n\t\t}\n\t}\n} );\n\n/**\n * The ready event handler and self cleanup method\n */\nfunction completed() {\n\tdocument.removeEventListener( \"DOMContentLoaded\", completed );\n\twindow.removeEventListener( \"load\", completed );\n\tjQuery.ready();\n}\n\njQuery.ready.promise = function( obj ) {\n\tif ( !readyList ) {\n\n\t\treadyList = jQuery.Deferred();\n\n\t\t// Catch cases where $(document).ready() is called\n\t\t// after the browser event has already occurred.\n\t\t// Support: IE9-10 only\n\t\t// Older IE sometimes signals \"interactive\" too soon\n\t\tif ( document.readyState === \"complete\" ||\n\t\t\t( document.readyState !== \"loading\" && !document.documentElement.doScroll ) ) {\n\n\t\t\t// Handle it asynchronously to allow scripts the opportunity to delay ready\n\t\t\twindow.setTimeout( jQuery.ready );\n\n\t\t} else {\n\n\t\t\t// Use the handy event callback\n\t\t\tdocument.addEventListener( \"DOMContentLoaded\", completed );\n\n\t\t\t// A fallback to window.onload, that will always work\n\t\t\twindow.addEventListener( \"load\", completed );\n\t\t}\n\t}\n\treturn readyList.promise( obj );\n};\n\n// Kick off the DOM ready check even if the user does not\njQuery.ready.promise();\n\n\n\n\n// Multifunctional method to get and set values of a collection\n// The value/s can optionally be executed if it's a function\nvar access = function( elems, fn, key, value, chainable, emptyGet, raw ) {\n\tvar i = 0,\n\t\tlen = elems.length,\n\t\tbulk = key == null;\n\n\t// Sets many values\n\tif ( jQuery.type( key ) === \"object\" ) {\n\t\tchainable = true;\n\t\tfor ( i in key ) {\n\t\t\taccess( elems, fn, i, key[ i ], true, emptyGet, raw );\n\t\t}\n\n\t// Sets one value\n\t} else if ( value !== undefined ) {\n\t\tchainable = true;\n\n\t\tif ( !jQuery.isFunction( value ) ) {\n\t\t\traw = true;\n\t\t}\n\n\t\tif ( bulk ) {\n\n\t\t\t// Bulk operations run against the entire set\n\t\t\tif ( raw ) {\n\t\t\t\tfn.call( elems, value );\n\t\t\t\tfn = null;\n\n\t\t\t// ...except when executing function values\n\t\t\t} else {\n\t\t\t\tbulk = fn;\n\t\t\t\tfn = function( elem, key, value ) {\n\t\t\t\t\treturn bulk.call( jQuery( elem ), value );\n\t\t\t\t};\n\t\t\t}\n\t\t}\n\n\t\tif ( fn ) {\n\t\t\tfor ( ; i < len; i++ ) {\n\t\t\t\tfn(\n\t\t\t\t\telems[ i ], key, raw ?\n\t\t\t\t\tvalue :\n\t\t\t\t\tvalue.call( elems[ i ], i, fn( elems[ i ], key ) )\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t}\n\n\treturn chainable ?\n\t\telems :\n\n\t\t// Gets\n\t\tbulk ?\n\t\t\tfn.call( elems ) :\n\t\t\tlen ? fn( elems[ 0 ], key ) : emptyGet;\n};\nvar acceptData = function( owner ) {\n\n\t// Accepts only:\n\t//  - Node\n\t//    - Node.ELEMENT_NODE\n\t//    - Node.DOCUMENT_NODE\n\t//  - Object\n\t//    - Any\n\t/* jshint -W018 */\n\treturn owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );\n};\n\n\n\n\nfunction Data() {\n\tthis.expando = jQuery.expando + Data.uid++;\n}\n\nData.uid = 1;\n\nData.prototype = {\n\n\tregister: function( owner, initial ) {\n\t\tvar value = initial || {};\n\n\t\t// If it is a node unlikely to be stringify-ed or looped over\n\t\t// use plain assignment\n\t\tif ( owner.nodeType ) {\n\t\t\towner[ this.expando ] = value;\n\n\t\t// Otherwise secure it in a non-enumerable, non-writable property\n\t\t// configurability must be true to allow the property to be\n\t\t// deleted with the delete operator\n\t\t} else {\n\t\t\tObject.defineProperty( owner, this.expando, {\n\t\t\t\tvalue: value,\n\t\t\t\twritable: true,\n\t\t\t\tconfigurable: true\n\t\t\t} );\n\t\t}\n\t\treturn owner[ this.expando ];\n\t},\n\tcache: function( owner ) {\n\n\t\t// We can accept data for non-element nodes in modern browsers,\n\t\t// but we should not, see #8335.\n\t\t// Always return an empty object.\n\t\tif ( !acceptData( owner ) ) {\n\t\t\treturn {};\n\t\t}\n\n\t\t// Check if the owner object already has a cache\n\t\tvar value = owner[ this.expando ];\n\n\t\t// If not, create one\n\t\tif ( !value ) {\n\t\t\tvalue = {};\n\n\t\t\t// We can accept data for non-element nodes in modern browsers,\n\t\t\t// but we should not, see #8335.\n\t\t\t// Always return an empty object.\n\t\t\tif ( acceptData( owner ) ) {\n\n\t\t\t\t// If it is a node unlikely to be stringify-ed or looped over\n\t\t\t\t// use plain assignment\n\t\t\t\tif ( owner.nodeType ) {\n\t\t\t\t\towner[ this.expando ] = value;\n\n\t\t\t\t// Otherwise secure it in a non-enumerable property\n\t\t\t\t// configurable must be true to allow the property to be\n\t\t\t\t// deleted when data is removed\n\t\t\t\t} else {\n\t\t\t\t\tObject.defineProperty( owner, this.expando, {\n\t\t\t\t\t\tvalue: value,\n\t\t\t\t\t\tconfigurable: true\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn value;\n\t},\n\tset: function( owner, data, value ) {\n\t\tvar prop,\n\t\t\tcache = this.cache( owner );\n\n\t\t// Handle: [ owner, key, value ] args\n\t\tif ( typeof data === \"string\" ) {\n\t\t\tcache[ data ] = value;\n\n\t\t// Handle: [ owner, { properties } ] args\n\t\t} else {\n\n\t\t\t// Copy the properties one-by-one to the cache object\n\t\t\tfor ( prop in data ) {\n\t\t\t\tcache[ prop ] = data[ prop ];\n\t\t\t}\n\t\t}\n\t\treturn cache;\n\t},\n\tget: function( owner, key ) {\n\t\treturn key === undefined ?\n\t\t\tthis.cache( owner ) :\n\t\t\towner[ this.expando ] && owner[ this.expando ][ key ];\n\t},\n\taccess: function( owner, key, value ) {\n\t\tvar stored;\n\n\t\t// In cases where either:\n\t\t//\n\t\t//   1. No key was specified\n\t\t//   2. A string key was specified, but no value provided\n\t\t//\n\t\t// Take the \"read\" path and allow the get method to determine\n\t\t// which value to return, respectively either:\n\t\t//\n\t\t//   1. The entire cache object\n\t\t//   2. The data stored at the key\n\t\t//\n\t\tif ( key === undefined ||\n\t\t\t\t( ( key && typeof key === \"string\" ) && value === undefined ) ) {\n\n\t\t\tstored = this.get( owner, key );\n\n\t\t\treturn stored !== undefined ?\n\t\t\t\tstored : this.get( owner, jQuery.camelCase( key ) );\n\t\t}\n\n\t\t// When the key is not a string, or both a key and value\n\t\t// are specified, set or extend (existing objects) with either:\n\t\t//\n\t\t//   1. An object of properties\n\t\t//   2. A key and value\n\t\t//\n\t\tthis.set( owner, key, value );\n\n\t\t// Since the \"set\" path can have two possible entry points\n\t\t// return the expected data based on which path was taken[*]\n\t\treturn value !== undefined ? value : key;\n\t},\n\tremove: function( owner, key ) {\n\t\tvar i, name, camel,\n\t\t\tcache = owner[ this.expando ];\n\n\t\tif ( cache === undefined ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( key === undefined ) {\n\t\t\tthis.register( owner );\n\n\t\t} else {\n\n\t\t\t// Support array or space separated string of keys\n\t\t\tif ( jQuery.isArray( key ) ) {\n\n\t\t\t\t// If \"name\" is an array of keys...\n\t\t\t\t// When data is initially created, via (\"key\", \"val\") signature,\n\t\t\t\t// keys will be converted to camelCase.\n\t\t\t\t// Since there is no way to tell _how_ a key was added, remove\n\t\t\t\t// both plain key and camelCase key. #12786\n\t\t\t\t// This will only penalize the array argument path.\n\t\t\t\tname = key.concat( key.map( jQuery.camelCase ) );\n\t\t\t} else {\n\t\t\t\tcamel = jQuery.camelCase( key );\n\n\t\t\t\t// Try the string as a key before any manipulation\n\t\t\t\tif ( key in cache ) {\n\t\t\t\t\tname = [ key, camel ];\n\t\t\t\t} else {\n\n\t\t\t\t\t// If a key with the spaces exists, use it.\n\t\t\t\t\t// Otherwise, create an array by matching non-whitespace\n\t\t\t\t\tname = camel;\n\t\t\t\t\tname = name in cache ?\n\t\t\t\t\t\t[ name ] : ( name.match( rnotwhite ) || [] );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\ti = name.length;\n\n\t\t\twhile ( i-- ) {\n\t\t\t\tdelete cache[ name[ i ] ];\n\t\t\t}\n\t\t}\n\n\t\t// Remove the expando if there's no more data\n\t\tif ( key === undefined || jQuery.isEmptyObject( cache ) ) {\n\n\t\t\t// Support: Chrome <= 35-45+\n\t\t\t// Webkit & Blink performance suffers when deleting properties\n\t\t\t// from DOM nodes, so set to undefined instead\n\t\t\t// https://code.google.com/p/chromium/issues/detail?id=378607\n\t\t\tif ( owner.nodeType ) {\n\t\t\t\towner[ this.expando ] = undefined;\n\t\t\t} else {\n\t\t\t\tdelete owner[ this.expando ];\n\t\t\t}\n\t\t}\n\t},\n\thasData: function( owner ) {\n\t\tvar cache = owner[ this.expando ];\n\t\treturn cache !== undefined && !jQuery.isEmptyObject( cache );\n\t}\n};\nvar dataPriv = new Data();\n\nvar dataUser = new Data();\n\n\n\n//\tImplementation Summary\n//\n//\t1. Enforce API surface and semantic compatibility with 1.9.x branch\n//\t2. Improve the module's maintainability by reducing the storage\n//\t\tpaths to a single mechanism.\n//\t3. Use the same single mechanism to support \"private\" and \"user\" data.\n//\t4. _Never_ expose \"private\" data to user code (TODO: Drop _data, _removeData)\n//\t5. Avoid exposing implementation details on user objects (eg. expando properties)\n//\t6. Provide a clear path for implementation upgrade to WeakMap in 2014\n\nvar rbrace = /^(?:\\{[\\w\\W]*\\}|\\[[\\w\\W]*\\])$/,\n\trmultiDash = /[A-Z]/g;\n\nfunction dataAttr( elem, key, data ) {\n\tvar name;\n\n\t// If nothing was found internally, try to fetch any\n\t// data from the HTML5 data-* attribute\n\tif ( data === undefined && elem.nodeType === 1 ) {\n\t\tname = \"data-\" + key.replace( rmultiDash, \"-$&\" ).toLowerCase();\n\t\tdata = elem.getAttribute( name );\n\n\t\tif ( typeof data === \"string\" ) {\n\t\t\ttry {\n\t\t\t\tdata = data === \"true\" ? true :\n\t\t\t\t\tdata === \"false\" ? false :\n\t\t\t\t\tdata === \"null\" ? null :\n\n\t\t\t\t\t// Only convert to a number if it doesn't change the string\n\t\t\t\t\t+data + \"\" === data ? +data :\n\t\t\t\t\trbrace.test( data ) ? jQuery.parseJSON( data ) :\n\t\t\t\t\tdata;\n\t\t\t} catch ( e ) {}\n\n\t\t\t// Make sure we set the data so it isn't changed later\n\t\t\tdataUser.set( elem, key, data );\n\t\t} else {\n\t\t\tdata = undefined;\n\t\t}\n\t}\n\treturn data;\n}\n\njQuery.extend( {\n\thasData: function( elem ) {\n\t\treturn dataUser.hasData( elem ) || dataPriv.hasData( elem );\n\t},\n\n\tdata: function( elem, name, data ) {\n\t\treturn dataUser.access( elem, name, data );\n\t},\n\n\tremoveData: function( elem, name ) {\n\t\tdataUser.remove( elem, name );\n\t},\n\n\t// TODO: Now that all calls to _data and _removeData have been replaced\n\t// with direct calls to dataPriv methods, these can be deprecated.\n\t_data: function( elem, name, data ) {\n\t\treturn dataPriv.access( elem, name, data );\n\t},\n\n\t_removeData: function( elem, name ) {\n\t\tdataPriv.remove( elem, name );\n\t}\n} );\n\njQuery.fn.extend( {\n\tdata: function( key, value ) {\n\t\tvar i, name, data,\n\t\t\telem = this[ 0 ],\n\t\t\tattrs = elem && elem.attributes;\n\n\t\t// Gets all values\n\t\tif ( key === undefined ) {\n\t\t\tif ( this.length ) {\n\t\t\t\tdata = dataUser.get( elem );\n\n\t\t\t\tif ( elem.nodeType === 1 && !dataPriv.get( elem, \"hasDataAttrs\" ) ) {\n\t\t\t\t\ti = attrs.length;\n\t\t\t\t\twhile ( i-- ) {\n\n\t\t\t\t\t\t// Support: IE11+\n\t\t\t\t\t\t// The attrs elements can be null (#14894)\n\t\t\t\t\t\tif ( attrs[ i ] ) {\n\t\t\t\t\t\t\tname = attrs[ i ].name;\n\t\t\t\t\t\t\tif ( name.indexOf( \"data-\" ) === 0 ) {\n\t\t\t\t\t\t\t\tname = jQuery.camelCase( name.slice( 5 ) );\n\t\t\t\t\t\t\t\tdataAttr( elem, name, data[ name ] );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tdataPriv.set( elem, \"hasDataAttrs\", true );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn data;\n\t\t}\n\n\t\t// Sets multiple values\n\t\tif ( typeof key === \"object\" ) {\n\t\t\treturn this.each( function() {\n\t\t\t\tdataUser.set( this, key );\n\t\t\t} );\n\t\t}\n\n\t\treturn access( this, function( value ) {\n\t\t\tvar data, camelKey;\n\n\t\t\t// The calling jQuery object (element matches) is not empty\n\t\t\t// (and therefore has an element appears at this[ 0 ]) and the\n\t\t\t// `value` parameter was not undefined. An empty jQuery object\n\t\t\t// will result in `undefined` for elem = this[ 0 ] which will\n\t\t\t// throw an exception if an attempt to read a data cache is made.\n\t\t\tif ( elem && value === undefined ) {\n\n\t\t\t\t// Attempt to get data from the cache\n\t\t\t\t// with the key as-is\n\t\t\t\tdata = dataUser.get( elem, key ) ||\n\n\t\t\t\t\t// Try to find dashed key if it exists (gh-2779)\n\t\t\t\t\t// This is for 2.2.x only\n\t\t\t\t\tdataUser.get( elem, key.replace( rmultiDash, \"-$&\" ).toLowerCase() );\n\n\t\t\t\tif ( data !== undefined ) {\n\t\t\t\t\treturn data;\n\t\t\t\t}\n\n\t\t\t\tcamelKey = jQuery.camelCase( key );\n\n\t\t\t\t// Attempt to get data from the cache\n\t\t\t\t// with the key camelized\n\t\t\t\tdata = dataUser.get( elem, camelKey );\n\t\t\t\tif ( data !== undefined ) {\n\t\t\t\t\treturn data;\n\t\t\t\t}\n\n\t\t\t\t// Attempt to \"discover\" the data in\n\t\t\t\t// HTML5 custom data-* attrs\n\t\t\t\tdata = dataAttr( elem, camelKey, undefined );\n\t\t\t\tif ( data !== undefined ) {\n\t\t\t\t\treturn data;\n\t\t\t\t}\n\n\t\t\t\t// We tried really hard, but the data doesn't exist.\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Set the data...\n\t\t\tcamelKey = jQuery.camelCase( key );\n\t\t\tthis.each( function() {\n\n\t\t\t\t// First, attempt to store a copy or reference of any\n\t\t\t\t// data that might've been store with a camelCased key.\n\t\t\t\tvar data = dataUser.get( this, camelKey );\n\n\t\t\t\t// For HTML5 data-* attribute interop, we have to\n\t\t\t\t// store property names with dashes in a camelCase form.\n\t\t\t\t// This might not apply to all properties...*\n\t\t\t\tdataUser.set( this, camelKey, value );\n\n\t\t\t\t// *... In the case of properties that might _actually_\n\t\t\t\t// have dashes, we need to also store a copy of that\n\t\t\t\t// unchanged property.\n\t\t\t\tif ( key.indexOf( \"-\" ) > -1 && data !== undefined ) {\n\t\t\t\t\tdataUser.set( this, key, value );\n\t\t\t\t}\n\t\t\t} );\n\t\t}, null, value, arguments.length > 1, null, true );\n\t},\n\n\tremoveData: function( key ) {\n\t\treturn this.each( function() {\n\t\t\tdataUser.remove( this, key );\n\t\t} );\n\t}\n} );\n\n\njQuery.extend( {\n\tqueue: function( elem, type, data ) {\n\t\tvar queue;\n\n\t\tif ( elem ) {\n\t\t\ttype = ( type || \"fx\" ) + \"queue\";\n\t\t\tqueue = dataPriv.get( elem, type );\n\n\t\t\t// Speed up dequeue by getting out quickly if this is just a lookup\n\t\t\tif ( data ) {\n\t\t\t\tif ( !queue || jQuery.isArray( data ) ) {\n\t\t\t\t\tqueue = dataPriv.access( elem, type, jQuery.makeArray( data ) );\n\t\t\t\t} else {\n\t\t\t\t\tqueue.push( data );\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn queue || [];\n\t\t}\n\t},\n\n\tdequeue: function( elem, type ) {\n\t\ttype = type || \"fx\";\n\n\t\tvar queue = jQuery.queue( elem, type ),\n\t\t\tstartLength = queue.length,\n\t\t\tfn = queue.shift(),\n\t\t\thooks = jQuery._queueHooks( elem, type ),\n\t\t\tnext = function() {\n\t\t\t\tjQuery.dequeue( elem, type );\n\t\t\t};\n\n\t\t// If the fx queue is dequeued, always remove the progress sentinel\n\t\tif ( fn === \"inprogress\" ) {\n\t\t\tfn = queue.shift();\n\t\t\tstartLength--;\n\t\t}\n\n\t\tif ( fn ) {\n\n\t\t\t// Add a progress sentinel to prevent the fx queue from being\n\t\t\t// automatically dequeued\n\t\t\tif ( type === \"fx\" ) {\n\t\t\t\tqueue.unshift( \"inprogress\" );\n\t\t\t}\n\n\t\t\t// Clear up the last queue stop function\n\t\t\tdelete hooks.stop;\n\t\t\tfn.call( elem, next, hooks );\n\t\t}\n\n\t\tif ( !startLength && hooks ) {\n\t\t\thooks.empty.fire();\n\t\t}\n\t},\n\n\t// Not public - generate a queueHooks object, or return the current one\n\t_queueHooks: function( elem, type ) {\n\t\tvar key = type + \"queueHooks\";\n\t\treturn dataPriv.get( elem, key ) || dataPriv.access( elem, key, {\n\t\t\tempty: jQuery.Callbacks( \"once memory\" ).add( function() {\n\t\t\t\tdataPriv.remove( elem, [ type + \"queue\", key ] );\n\t\t\t} )\n\t\t} );\n\t}\n} );\n\njQuery.fn.extend( {\n\tqueue: function( type, data ) {\n\t\tvar setter = 2;\n\n\t\tif ( typeof type !== \"string\" ) {\n\t\t\tdata = type;\n\t\t\ttype = \"fx\";\n\t\t\tsetter--;\n\t\t}\n\n\t\tif ( arguments.length < setter ) {\n\t\t\treturn jQuery.queue( this[ 0 ], type );\n\t\t}\n\n\t\treturn data === undefined ?\n\t\t\tthis :\n\t\t\tthis.each( function() {\n\t\t\t\tvar queue = jQuery.queue( this, type, data );\n\n\t\t\t\t// Ensure a hooks for this queue\n\t\t\t\tjQuery._queueHooks( this, type );\n\n\t\t\t\tif ( type === \"fx\" && queue[ 0 ] !== \"inprogress\" ) {\n\t\t\t\t\tjQuery.dequeue( this, type );\n\t\t\t\t}\n\t\t\t} );\n\t},\n\tdequeue: function( type ) {\n\t\treturn this.each( function() {\n\t\t\tjQuery.dequeue( this, type );\n\t\t} );\n\t},\n\tclearQueue: function( type ) {\n\t\treturn this.queue( type || \"fx\", [] );\n\t},\n\n\t// Get a promise resolved when queues of a certain type\n\t// are emptied (fx is the type by default)\n\tpromise: function( type, obj ) {\n\t\tvar tmp,\n\t\t\tcount = 1,\n\t\t\tdefer = jQuery.Deferred(),\n\t\t\telements = this,\n\t\t\ti = this.length,\n\t\t\tresolve = function() {\n\t\t\t\tif ( !( --count ) ) {\n\t\t\t\t\tdefer.resolveWith( elements, [ elements ] );\n\t\t\t\t}\n\t\t\t};\n\n\t\tif ( typeof type !== \"string\" ) {\n\t\t\tobj = type;\n\t\t\ttype = undefined;\n\t\t}\n\t\ttype = type || \"fx\";\n\n\t\twhile ( i-- ) {\n\t\t\ttmp = dataPriv.get( elements[ i ], type + \"queueHooks\" );\n\t\t\tif ( tmp && tmp.empty ) {\n\t\t\t\tcount++;\n\t\t\t\ttmp.empty.add( resolve );\n\t\t\t}\n\t\t}\n\t\tresolve();\n\t\treturn defer.promise( obj );\n\t}\n} );\nvar pnum = ( /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/ ).source;\n\nvar rcssNum = new RegExp( \"^(?:([+-])=|)(\" + pnum + \")([a-z%]*)$\", \"i\" );\n\n\nvar cssExpand = [ \"Top\", \"Right\", \"Bottom\", \"Left\" ];\n\nvar isHidden = function( elem, el ) {\n\n\t\t// isHidden might be called from jQuery#filter function;\n\t\t// in that case, element will be second argument\n\t\telem = el || elem;\n\t\treturn jQuery.css( elem, \"display\" ) === \"none\" ||\n\t\t\t!jQuery.contains( elem.ownerDocument, elem );\n\t};\n\n\n\nfunction adjustCSS( elem, prop, valueParts, tween ) {\n\tvar adjusted,\n\t\tscale = 1,\n\t\tmaxIterations = 20,\n\t\tcurrentValue = tween ?\n\t\t\tfunction() { return tween.cur(); } :\n\t\t\tfunction() { return jQuery.css( elem, prop, \"\" ); },\n\t\tinitial = currentValue(),\n\t\tunit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? \"\" : \"px\" ),\n\n\t\t// Starting value computation is required for potential unit mismatches\n\t\tinitialInUnit = ( jQuery.cssNumber[ prop ] || unit !== \"px\" && +initial ) &&\n\t\t\trcssNum.exec( jQuery.css( elem, prop ) );\n\n\tif ( initialInUnit && initialInUnit[ 3 ] !== unit ) {\n\n\t\t// Trust units reported by jQuery.css\n\t\tunit = unit || initialInUnit[ 3 ];\n\n\t\t// Make sure we update the tween properties later on\n\t\tvalueParts = valueParts || [];\n\n\t\t// Iteratively approximate from a nonzero starting point\n\t\tinitialInUnit = +initial || 1;\n\n\t\tdo {\n\n\t\t\t// If previous iteration zeroed out, double until we get *something*.\n\t\t\t// Use string for doubling so we don't accidentally see scale as unchanged below\n\t\t\tscale = scale || \".5\";\n\n\t\t\t// Adjust and apply\n\t\t\tinitialInUnit = initialInUnit / scale;\n\t\t\tjQuery.style( elem, prop, initialInUnit + unit );\n\n\t\t// Update scale, tolerating zero or NaN from tween.cur()\n\t\t// Break the loop if scale is unchanged or perfect, or if we've just had enough.\n\t\t} while (\n\t\t\tscale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations\n\t\t);\n\t}\n\n\tif ( valueParts ) {\n\t\tinitialInUnit = +initialInUnit || +initial || 0;\n\n\t\t// Apply relative offset (+=/-=) if specified\n\t\tadjusted = valueParts[ 1 ] ?\n\t\t\tinitialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :\n\t\t\t+valueParts[ 2 ];\n\t\tif ( tween ) {\n\t\t\ttween.unit = unit;\n\t\t\ttween.start = initialInUnit;\n\t\t\ttween.end = adjusted;\n\t\t}\n\t}\n\treturn adjusted;\n}\nvar rcheckableType = ( /^(?:checkbox|radio)$/i );\n\nvar rtagName = ( /<([\\w:-]+)/ );\n\nvar rscriptType = ( /^$|\\/(?:java|ecma)script/i );\n\n\n\n// We have to close these tags to support XHTML (#13200)\nvar wrapMap = {\n\n\t// Support: IE9\n\toption: [ 1, \"<select multiple='multiple'>\", \"</select>\" ],\n\n\t// XHTML parsers do not magically insert elements in the\n\t// same way that tag soup parsers do. So we cannot shorten\n\t// this by omitting <tbody> or other required elements.\n\tthead: [ 1, \"<table>\", \"</table>\" ],\n\tcol: [ 2, \"<table><colgroup>\", \"</colgroup></table>\" ],\n\ttr: [ 2, \"<table><tbody>\", \"</tbody></table>\" ],\n\ttd: [ 3, \"<table><tbody><tr>\", \"</tr></tbody></table>\" ],\n\n\t_default: [ 0, \"\", \"\" ]\n};\n\n// Support: IE9\nwrapMap.optgroup = wrapMap.option;\n\nwrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;\nwrapMap.th = wrapMap.td;\n\n\nfunction getAll( context, tag ) {\n\n\t// Support: IE9-11+\n\t// Use typeof to avoid zero-argument method invocation on host objects (#15151)\n\tvar ret = typeof context.getElementsByTagName !== \"undefined\" ?\n\t\t\tcontext.getElementsByTagName( tag || \"*\" ) :\n\t\t\ttypeof context.querySelectorAll !== \"undefined\" ?\n\t\t\t\tcontext.querySelectorAll( tag || \"*\" ) :\n\t\t\t[];\n\n\treturn tag === undefined || tag && jQuery.nodeName( context, tag ) ?\n\t\tjQuery.merge( [ context ], ret ) :\n\t\tret;\n}\n\n\n// Mark scripts as having already been evaluated\nfunction setGlobalEval( elems, refElements ) {\n\tvar i = 0,\n\t\tl = elems.length;\n\n\tfor ( ; i < l; i++ ) {\n\t\tdataPriv.set(\n\t\t\telems[ i ],\n\t\t\t\"globalEval\",\n\t\t\t!refElements || dataPriv.get( refElements[ i ], \"globalEval\" )\n\t\t);\n\t}\n}\n\n\nvar rhtml = /<|&#?\\w+;/;\n\nfunction buildFragment( elems, context, scripts, selection, ignored ) {\n\tvar elem, tmp, tag, wrap, contains, j,\n\t\tfragment = context.createDocumentFragment(),\n\t\tnodes = [],\n\t\ti = 0,\n\t\tl = elems.length;\n\n\tfor ( ; i < l; i++ ) {\n\t\telem = elems[ i ];\n\n\t\tif ( elem || elem === 0 ) {\n\n\t\t\t// Add nodes directly\n\t\t\tif ( jQuery.type( elem ) === \"object\" ) {\n\n\t\t\t\t// Support: Android<4.1, PhantomJS<2\n\t\t\t\t// push.apply(_, arraylike) throws on ancient WebKit\n\t\t\t\tjQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );\n\n\t\t\t// Convert non-html into a text node\n\t\t\t} else if ( !rhtml.test( elem ) ) {\n\t\t\t\tnodes.push( context.createTextNode( elem ) );\n\n\t\t\t// Convert html into DOM nodes\n\t\t\t} else {\n\t\t\t\ttmp = tmp || fragment.appendChild( context.createElement( \"div\" ) );\n\n\t\t\t\t// Deserialize a standard representation\n\t\t\t\ttag = ( rtagName.exec( elem ) || [ \"\", \"\" ] )[ 1 ].toLowerCase();\n\t\t\t\twrap = wrapMap[ tag ] || wrapMap._default;\n\t\t\t\ttmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];\n\n\t\t\t\t// Descend through wrappers to the right content\n\t\t\t\tj = wrap[ 0 ];\n\t\t\t\twhile ( j-- ) {\n\t\t\t\t\ttmp = tmp.lastChild;\n\t\t\t\t}\n\n\t\t\t\t// Support: Android<4.1, PhantomJS<2\n\t\t\t\t// push.apply(_, arraylike) throws on ancient WebKit\n\t\t\t\tjQuery.merge( nodes, tmp.childNodes );\n\n\t\t\t\t// Remember the top-level container\n\t\t\t\ttmp = fragment.firstChild;\n\n\t\t\t\t// Ensure the created nodes are orphaned (#12392)\n\t\t\t\ttmp.textContent = \"\";\n\t\t\t}\n\t\t}\n\t}\n\n\t// Remove wrapper from fragment\n\tfragment.textContent = \"\";\n\n\ti = 0;\n\twhile ( ( elem = nodes[ i++ ] ) ) {\n\n\t\t// Skip elements already in the context collection (trac-4087)\n\t\tif ( selection && jQuery.inArray( elem, selection ) > -1 ) {\n\t\t\tif ( ignored ) {\n\t\t\t\tignored.push( elem );\n\t\t\t}\n\t\t\tcontinue;\n\t\t}\n\n\t\tcontains = jQuery.contains( elem.ownerDocument, elem );\n\n\t\t// Append to fragment\n\t\ttmp = getAll( fragment.appendChild( elem ), \"script\" );\n\n\t\t// Preserve script evaluation history\n\t\tif ( contains ) {\n\t\t\tsetGlobalEval( tmp );\n\t\t}\n\n\t\t// Capture executables\n\t\tif ( scripts ) {\n\t\t\tj = 0;\n\t\t\twhile ( ( elem = tmp[ j++ ] ) ) {\n\t\t\t\tif ( rscriptType.test( elem.type || \"\" ) ) {\n\t\t\t\t\tscripts.push( elem );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn fragment;\n}\n\n\n( function() {\n\tvar fragment = document.createDocumentFragment(),\n\t\tdiv = fragment.appendChild( document.createElement( \"div\" ) ),\n\t\tinput = document.createElement( \"input\" );\n\n\t// Support: Android 4.0-4.3, Safari<=5.1\n\t// Check state lost if the name is set (#11217)\n\t// Support: Windows Web Apps (WWA)\n\t// `name` and `type` must use .setAttribute for WWA (#14901)\n\tinput.setAttribute( \"type\", \"radio\" );\n\tinput.setAttribute( \"checked\", \"checked\" );\n\tinput.setAttribute( \"name\", \"t\" );\n\n\tdiv.appendChild( input );\n\n\t// Support: Safari<=5.1, Android<4.2\n\t// Older WebKit doesn't clone checked state correctly in fragments\n\tsupport.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;\n\n\t// Support: IE<=11+\n\t// Make sure textarea (and checkbox) defaultValue is properly cloned\n\tdiv.innerHTML = \"<textarea>x</textarea>\";\n\tsupport.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;\n} )();\n\n\nvar\n\trkeyEvent = /^key/,\n\trmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,\n\trtypenamespace = /^([^.]*)(?:\\.(.+)|)/;\n\nfunction returnTrue() {\n\treturn true;\n}\n\nfunction returnFalse() {\n\treturn false;\n}\n\n// Support: IE9\n// See #13393 for more info\nfunction safeActiveElement() {\n\ttry {\n\t\treturn document.activeElement;\n\t} catch ( err ) { }\n}\n\nfunction on( elem, types, selector, data, fn, one ) {\n\tvar origFn, type;\n\n\t// Types can be a map of types/handlers\n\tif ( typeof types === \"object\" ) {\n\n\t\t// ( types-Object, selector, data )\n\t\tif ( typeof selector !== \"string\" ) {\n\n\t\t\t// ( types-Object, data )\n\t\t\tdata = data || selector;\n\t\t\tselector = undefined;\n\t\t}\n\t\tfor ( type in types ) {\n\t\t\ton( elem, type, selector, data, types[ type ], one );\n\t\t}\n\t\treturn elem;\n\t}\n\n\tif ( data == null && fn == null ) {\n\n\t\t// ( types, fn )\n\t\tfn = selector;\n\t\tdata = selector = undefined;\n\t} else if ( fn == null ) {\n\t\tif ( typeof selector === \"string\" ) {\n\n\t\t\t// ( types, selector, fn )\n\t\t\tfn = data;\n\t\t\tdata = undefined;\n\t\t} else {\n\n\t\t\t// ( types, data, fn )\n\t\t\tfn = data;\n\t\t\tdata = selector;\n\t\t\tselector = undefined;\n\t\t}\n\t}\n\tif ( fn === false ) {\n\t\tfn = returnFalse;\n\t} else if ( !fn ) {\n\t\treturn this;\n\t}\n\n\tif ( one === 1 ) {\n\t\torigFn = fn;\n\t\tfn = function( event ) {\n\n\t\t\t// Can use an empty set, since event contains the info\n\t\t\tjQuery().off( event );\n\t\t\treturn origFn.apply( this, arguments );\n\t\t};\n\n\t\t// Use same guid so caller can remove using origFn\n\t\tfn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );\n\t}\n\treturn elem.each( function() {\n\t\tjQuery.event.add( this, types, fn, data, selector );\n\t} );\n}\n\n/*\n * Helper functions for managing events -- not part of the public interface.\n * Props to Dean Edwards' addEvent library for many of the ideas.\n */\njQuery.event = {\n\n\tglobal: {},\n\n\tadd: function( elem, types, handler, data, selector ) {\n\n\t\tvar handleObjIn, eventHandle, tmp,\n\t\t\tevents, t, handleObj,\n\t\t\tspecial, handlers, type, namespaces, origType,\n\t\t\telemData = dataPriv.get( elem );\n\n\t\t// Don't attach events to noData or text/comment nodes (but allow plain objects)\n\t\tif ( !elemData ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Caller can pass in an object of custom data in lieu of the handler\n\t\tif ( handler.handler ) {\n\t\t\thandleObjIn = handler;\n\t\t\thandler = handleObjIn.handler;\n\t\t\tselector = handleObjIn.selector;\n\t\t}\n\n\t\t// Make sure that the handler has a unique ID, used to find/remove it later\n\t\tif ( !handler.guid ) {\n\t\t\thandler.guid = jQuery.guid++;\n\t\t}\n\n\t\t// Init the element's event structure and main handler, if this is the first\n\t\tif ( !( events = elemData.events ) ) {\n\t\t\tevents = elemData.events = {};\n\t\t}\n\t\tif ( !( eventHandle = elemData.handle ) ) {\n\t\t\teventHandle = elemData.handle = function( e ) {\n\n\t\t\t\t// Discard the second event of a jQuery.event.trigger() and\n\t\t\t\t// when an event is called after a page has unloaded\n\t\t\t\treturn typeof jQuery !== \"undefined\" && jQuery.event.triggered !== e.type ?\n\t\t\t\t\tjQuery.event.dispatch.apply( elem, arguments ) : undefined;\n\t\t\t};\n\t\t}\n\n\t\t// Handle multiple events separated by a space\n\t\ttypes = ( types || \"\" ).match( rnotwhite ) || [ \"\" ];\n\t\tt = types.length;\n\t\twhile ( t-- ) {\n\t\t\ttmp = rtypenamespace.exec( types[ t ] ) || [];\n\t\t\ttype = origType = tmp[ 1 ];\n\t\t\tnamespaces = ( tmp[ 2 ] || \"\" ).split( \".\" ).sort();\n\n\t\t\t// There *must* be a type, no attaching namespace-only handlers\n\t\t\tif ( !type ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// If event changes its type, use the special event handlers for the changed type\n\t\t\tspecial = jQuery.event.special[ type ] || {};\n\n\t\t\t// If selector defined, determine special event api type, otherwise given type\n\t\t\ttype = ( selector ? special.delegateType : special.bindType ) || type;\n\n\t\t\t// Update special based on newly reset type\n\t\t\tspecial = jQuery.event.special[ type ] || {};\n\n\t\t\t// handleObj is passed to all event handlers\n\t\t\thandleObj = jQuery.extend( {\n\t\t\t\ttype: type,\n\t\t\t\torigType: origType,\n\t\t\t\tdata: data,\n\t\t\t\thandler: handler,\n\t\t\t\tguid: handler.guid,\n\t\t\t\tselector: selector,\n\t\t\t\tneedsContext: selector && jQuery.expr.match.needsContext.test( selector ),\n\t\t\t\tnamespace: namespaces.join( \".\" )\n\t\t\t}, handleObjIn );\n\n\t\t\t// Init the event handler queue if we're the first\n\t\t\tif ( !( handlers = events[ type ] ) ) {\n\t\t\t\thandlers = events[ type ] = [];\n\t\t\t\thandlers.delegateCount = 0;\n\n\t\t\t\t// Only use addEventListener if the special events handler returns false\n\t\t\t\tif ( !special.setup ||\n\t\t\t\t\tspecial.setup.call( elem, data, namespaces, eventHandle ) === false ) {\n\n\t\t\t\t\tif ( elem.addEventListener ) {\n\t\t\t\t\t\telem.addEventListener( type, eventHandle );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( special.add ) {\n\t\t\t\tspecial.add.call( elem, handleObj );\n\n\t\t\t\tif ( !handleObj.handler.guid ) {\n\t\t\t\t\thandleObj.handler.guid = handler.guid;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Add to the element's handler list, delegates in front\n\t\t\tif ( selector ) {\n\t\t\t\thandlers.splice( handlers.delegateCount++, 0, handleObj );\n\t\t\t} else {\n\t\t\t\thandlers.push( handleObj );\n\t\t\t}\n\n\t\t\t// Keep track of which events have ever been used, for event optimization\n\t\t\tjQuery.event.global[ type ] = true;\n\t\t}\n\n\t},\n\n\t// Detach an event or set of events from an element\n\tremove: function( elem, types, handler, selector, mappedTypes ) {\n\n\t\tvar j, origCount, tmp,\n\t\t\tevents, t, handleObj,\n\t\t\tspecial, handlers, type, namespaces, origType,\n\t\t\telemData = dataPriv.hasData( elem ) && dataPriv.get( elem );\n\n\t\tif ( !elemData || !( events = elemData.events ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Once for each type.namespace in types; type may be omitted\n\t\ttypes = ( types || \"\" ).match( rnotwhite ) || [ \"\" ];\n\t\tt = types.length;\n\t\twhile ( t-- ) {\n\t\t\ttmp = rtypenamespace.exec( types[ t ] ) || [];\n\t\t\ttype = origType = tmp[ 1 ];\n\t\t\tnamespaces = ( tmp[ 2 ] || \"\" ).split( \".\" ).sort();\n\n\t\t\t// Unbind all events (on this namespace, if provided) for the element\n\t\t\tif ( !type ) {\n\t\t\t\tfor ( type in events ) {\n\t\t\t\t\tjQuery.event.remove( elem, type + types[ t ], handler, selector, true );\n\t\t\t\t}\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tspecial = jQuery.event.special[ type ] || {};\n\t\t\ttype = ( selector ? special.delegateType : special.bindType ) || type;\n\t\t\thandlers = events[ type ] || [];\n\t\t\ttmp = tmp[ 2 ] &&\n\t\t\t\tnew RegExp( \"(^|\\\\.)\" + namespaces.join( \"\\\\.(?:.*\\\\.|)\" ) + \"(\\\\.|$)\" );\n\n\t\t\t// Remove matching events\n\t\t\torigCount = j = handlers.length;\n\t\t\twhile ( j-- ) {\n\t\t\t\thandleObj = handlers[ j ];\n\n\t\t\t\tif ( ( mappedTypes || origType === handleObj.origType ) &&\n\t\t\t\t\t( !handler || handler.guid === handleObj.guid ) &&\n\t\t\t\t\t( !tmp || tmp.test( handleObj.namespace ) ) &&\n\t\t\t\t\t( !selector || selector === handleObj.selector ||\n\t\t\t\t\t\tselector === \"**\" && handleObj.selector ) ) {\n\t\t\t\t\thandlers.splice( j, 1 );\n\n\t\t\t\t\tif ( handleObj.selector ) {\n\t\t\t\t\t\thandlers.delegateCount--;\n\t\t\t\t\t}\n\t\t\t\t\tif ( special.remove ) {\n\t\t\t\t\t\tspecial.remove.call( elem, handleObj );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Remove generic event handler if we removed something and no more handlers exist\n\t\t\t// (avoids potential for endless recursion during removal of special event handlers)\n\t\t\tif ( origCount && !handlers.length ) {\n\t\t\t\tif ( !special.teardown ||\n\t\t\t\t\tspecial.teardown.call( elem, namespaces, elemData.handle ) === false ) {\n\n\t\t\t\t\tjQuery.removeEvent( elem, type, elemData.handle );\n\t\t\t\t}\n\n\t\t\t\tdelete events[ type ];\n\t\t\t}\n\t\t}\n\n\t\t// Remove data and the expando if it's no longer used\n\t\tif ( jQuery.isEmptyObject( events ) ) {\n\t\t\tdataPriv.remove( elem, \"handle events\" );\n\t\t}\n\t},\n\n\tdispatch: function( event ) {\n\n\t\t// Make a writable jQuery.Event from the native event object\n\t\tevent = jQuery.event.fix( event );\n\n\t\tvar i, j, ret, matched, handleObj,\n\t\t\thandlerQueue = [],\n\t\t\targs = slice.call( arguments ),\n\t\t\thandlers = ( dataPriv.get( this, \"events\" ) || {} )[ event.type ] || [],\n\t\t\tspecial = jQuery.event.special[ event.type ] || {};\n\n\t\t// Use the fix-ed jQuery.Event rather than the (read-only) native event\n\t\targs[ 0 ] = event;\n\t\tevent.delegateTarget = this;\n\n\t\t// Call the preDispatch hook for the mapped type, and let it bail if desired\n\t\tif ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Determine handlers\n\t\thandlerQueue = jQuery.event.handlers.call( this, event, handlers );\n\n\t\t// Run delegates first; they may want to stop propagation beneath us\n\t\ti = 0;\n\t\twhile ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {\n\t\t\tevent.currentTarget = matched.elem;\n\n\t\t\tj = 0;\n\t\t\twhile ( ( handleObj = matched.handlers[ j++ ] ) &&\n\t\t\t\t!event.isImmediatePropagationStopped() ) {\n\n\t\t\t\t// Triggered event must either 1) have no namespace, or 2) have namespace(s)\n\t\t\t\t// a subset or equal to those in the bound event (both can have no namespace).\n\t\t\t\tif ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {\n\n\t\t\t\t\tevent.handleObj = handleObj;\n\t\t\t\t\tevent.data = handleObj.data;\n\n\t\t\t\t\tret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||\n\t\t\t\t\t\thandleObj.handler ).apply( matched.elem, args );\n\n\t\t\t\t\tif ( ret !== undefined ) {\n\t\t\t\t\t\tif ( ( event.result = ret ) === false ) {\n\t\t\t\t\t\t\tevent.preventDefault();\n\t\t\t\t\t\t\tevent.stopPropagation();\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Call the postDispatch hook for the mapped type\n\t\tif ( special.postDispatch ) {\n\t\t\tspecial.postDispatch.call( this, event );\n\t\t}\n\n\t\treturn event.result;\n\t},\n\n\thandlers: function( event, handlers ) {\n\t\tvar i, matches, sel, handleObj,\n\t\t\thandlerQueue = [],\n\t\t\tdelegateCount = handlers.delegateCount,\n\t\t\tcur = event.target;\n\n\t\t// Support (at least): Chrome, IE9\n\t\t// Find delegate handlers\n\t\t// Black-hole SVG <use> instance trees (#13180)\n\t\t//\n\t\t// Support: Firefox<=42+\n\t\t// Avoid non-left-click in FF but don't block IE radio events (#3861, gh-2343)\n\t\tif ( delegateCount && cur.nodeType &&\n\t\t\t( event.type !== \"click\" || isNaN( event.button ) || event.button < 1 ) ) {\n\n\t\t\tfor ( ; cur !== this; cur = cur.parentNode || this ) {\n\n\t\t\t\t// Don't check non-elements (#13208)\n\t\t\t\t// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)\n\t\t\t\tif ( cur.nodeType === 1 && ( cur.disabled !== true || event.type !== \"click\" ) ) {\n\t\t\t\t\tmatches = [];\n\t\t\t\t\tfor ( i = 0; i < delegateCount; i++ ) {\n\t\t\t\t\t\thandleObj = handlers[ i ];\n\n\t\t\t\t\t\t// Don't conflict with Object.prototype properties (#13203)\n\t\t\t\t\t\tsel = handleObj.selector + \" \";\n\n\t\t\t\t\t\tif ( matches[ sel ] === undefined ) {\n\t\t\t\t\t\t\tmatches[ sel ] = handleObj.needsContext ?\n\t\t\t\t\t\t\t\tjQuery( sel, this ).index( cur ) > -1 :\n\t\t\t\t\t\t\t\tjQuery.find( sel, this, null, [ cur ] ).length;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( matches[ sel ] ) {\n\t\t\t\t\t\t\tmatches.push( handleObj );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tif ( matches.length ) {\n\t\t\t\t\t\thandlerQueue.push( { elem: cur, handlers: matches } );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Add the remaining (directly-bound) handlers\n\t\tif ( delegateCount < handlers.length ) {\n\t\t\thandlerQueue.push( { elem: this, handlers: handlers.slice( delegateCount ) } );\n\t\t}\n\n\t\treturn handlerQueue;\n\t},\n\n\t// Includes some event props shared by KeyEvent and MouseEvent\n\tprops: ( \"altKey bubbles cancelable ctrlKey currentTarget detail eventPhase \" +\n\t\t\"metaKey relatedTarget shiftKey target timeStamp view which\" ).split( \" \" ),\n\n\tfixHooks: {},\n\n\tkeyHooks: {\n\t\tprops: \"char charCode key keyCode\".split( \" \" ),\n\t\tfilter: function( event, original ) {\n\n\t\t\t// Add which for key events\n\t\t\tif ( event.which == null ) {\n\t\t\t\tevent.which = original.charCode != null ? original.charCode : original.keyCode;\n\t\t\t}\n\n\t\t\treturn event;\n\t\t}\n\t},\n\n\tmouseHooks: {\n\t\tprops: ( \"button buttons clientX clientY offsetX offsetY pageX pageY \" +\n\t\t\t\"screenX screenY toElement\" ).split( \" \" ),\n\t\tfilter: function( event, original ) {\n\t\t\tvar eventDoc, doc, body,\n\t\t\t\tbutton = original.button;\n\n\t\t\t// Calculate pageX/Y if missing and clientX/Y available\n\t\t\tif ( event.pageX == null && original.clientX != null ) {\n\t\t\t\teventDoc = event.target.ownerDocument || document;\n\t\t\t\tdoc = eventDoc.documentElement;\n\t\t\t\tbody = eventDoc.body;\n\n\t\t\t\tevent.pageX = original.clientX +\n\t\t\t\t\t( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) -\n\t\t\t\t\t( doc && doc.clientLeft || body && body.clientLeft || 0 );\n\t\t\t\tevent.pageY = original.clientY +\n\t\t\t\t\t( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) -\n\t\t\t\t\t( doc && doc.clientTop  || body && body.clientTop  || 0 );\n\t\t\t}\n\n\t\t\t// Add which for click: 1 === left; 2 === middle; 3 === right\n\t\t\t// Note: button is not normalized, so don't use it\n\t\t\tif ( !event.which && button !== undefined ) {\n\t\t\t\tevent.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );\n\t\t\t}\n\n\t\t\treturn event;\n\t\t}\n\t},\n\n\tfix: function( event ) {\n\t\tif ( event[ jQuery.expando ] ) {\n\t\t\treturn event;\n\t\t}\n\n\t\t// Create a writable copy of the event object and normalize some properties\n\t\tvar i, prop, copy,\n\t\t\ttype = event.type,\n\t\t\toriginalEvent = event,\n\t\t\tfixHook = this.fixHooks[ type ];\n\n\t\tif ( !fixHook ) {\n\t\t\tthis.fixHooks[ type ] = fixHook =\n\t\t\t\trmouseEvent.test( type ) ? this.mouseHooks :\n\t\t\t\trkeyEvent.test( type ) ? this.keyHooks :\n\t\t\t\t{};\n\t\t}\n\t\tcopy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;\n\n\t\tevent = new jQuery.Event( originalEvent );\n\n\t\ti = copy.length;\n\t\twhile ( i-- ) {\n\t\t\tprop = copy[ i ];\n\t\t\tevent[ prop ] = originalEvent[ prop ];\n\t\t}\n\n\t\t// Support: Cordova 2.5 (WebKit) (#13255)\n\t\t// All events should have a target; Cordova deviceready doesn't\n\t\tif ( !event.target ) {\n\t\t\tevent.target = document;\n\t\t}\n\n\t\t// Support: Safari 6.0+, Chrome<28\n\t\t// Target should not be a text node (#504, #13143)\n\t\tif ( event.target.nodeType === 3 ) {\n\t\t\tevent.target = event.target.parentNode;\n\t\t}\n\n\t\treturn fixHook.filter ? fixHook.filter( event, originalEvent ) : event;\n\t},\n\n\tspecial: {\n\t\tload: {\n\n\t\t\t// Prevent triggered image.load events from bubbling to window.load\n\t\t\tnoBubble: true\n\t\t},\n\t\tfocus: {\n\n\t\t\t// Fire native event if possible so blur/focus sequence is correct\n\t\t\ttrigger: function() {\n\t\t\t\tif ( this !== safeActiveElement() && this.focus ) {\n\t\t\t\t\tthis.focus();\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t},\n\t\t\tdelegateType: \"focusin\"\n\t\t},\n\t\tblur: {\n\t\t\ttrigger: function() {\n\t\t\t\tif ( this === safeActiveElement() && this.blur ) {\n\t\t\t\t\tthis.blur();\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t},\n\t\t\tdelegateType: \"focusout\"\n\t\t},\n\t\tclick: {\n\n\t\t\t// For checkbox, fire native event so checked state will be right\n\t\t\ttrigger: function() {\n\t\t\t\tif ( this.type === \"checkbox\" && this.click && jQuery.nodeName( this, \"input\" ) ) {\n\t\t\t\t\tthis.click();\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t},\n\n\t\t\t// For cross-browser consistency, don't fire native .click() on links\n\t\t\t_default: function( event ) {\n\t\t\t\treturn jQuery.nodeName( event.target, \"a\" );\n\t\t\t}\n\t\t},\n\n\t\tbeforeunload: {\n\t\t\tpostDispatch: function( event ) {\n\n\t\t\t\t// Support: Firefox 20+\n\t\t\t\t// Firefox doesn't alert if the returnValue field is not set.\n\t\t\t\tif ( event.result !== undefined && event.originalEvent ) {\n\t\t\t\t\tevent.originalEvent.returnValue = event.result;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n};\n\njQuery.removeEvent = function( elem, type, handle ) {\n\n\t// This \"if\" is needed for plain objects\n\tif ( elem.removeEventListener ) {\n\t\telem.removeEventListener( type, handle );\n\t}\n};\n\njQuery.Event = function( src, props ) {\n\n\t// Allow instantiation without the 'new' keyword\n\tif ( !( this instanceof jQuery.Event ) ) {\n\t\treturn new jQuery.Event( src, props );\n\t}\n\n\t// Event object\n\tif ( src && src.type ) {\n\t\tthis.originalEvent = src;\n\t\tthis.type = src.type;\n\n\t\t// Events bubbling up the document may have been marked as prevented\n\t\t// by a handler lower down the tree; reflect the correct value.\n\t\tthis.isDefaultPrevented = src.defaultPrevented ||\n\t\t\t\tsrc.defaultPrevented === undefined &&\n\n\t\t\t\t// Support: Android<4.0\n\t\t\t\tsrc.returnValue === false ?\n\t\t\treturnTrue :\n\t\t\treturnFalse;\n\n\t// Event type\n\t} else {\n\t\tthis.type = src;\n\t}\n\n\t// Put explicitly provided properties onto the event object\n\tif ( props ) {\n\t\tjQuery.extend( this, props );\n\t}\n\n\t// Create a timestamp if incoming event doesn't have one\n\tthis.timeStamp = src && src.timeStamp || jQuery.now();\n\n\t// Mark it as fixed\n\tthis[ jQuery.expando ] = true;\n};\n\n// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding\n// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html\njQuery.Event.prototype = {\n\tconstructor: jQuery.Event,\n\tisDefaultPrevented: returnFalse,\n\tisPropagationStopped: returnFalse,\n\tisImmediatePropagationStopped: returnFalse,\n\n\tpreventDefault: function() {\n\t\tvar e = this.originalEvent;\n\n\t\tthis.isDefaultPrevented = returnTrue;\n\n\t\tif ( e ) {\n\t\t\te.preventDefault();\n\t\t}\n\t},\n\tstopPropagation: function() {\n\t\tvar e = this.originalEvent;\n\n\t\tthis.isPropagationStopped = returnTrue;\n\n\t\tif ( e ) {\n\t\t\te.stopPropagation();\n\t\t}\n\t},\n\tstopImmediatePropagation: function() {\n\t\tvar e = this.originalEvent;\n\n\t\tthis.isImmediatePropagationStopped = returnTrue;\n\n\t\tif ( e ) {\n\t\t\te.stopImmediatePropagation();\n\t\t}\n\n\t\tthis.stopPropagation();\n\t}\n};\n\n// Create mouseenter/leave events using mouseover/out and event-time checks\n// so that event delegation works in jQuery.\n// Do the same for pointerenter/pointerleave and pointerover/pointerout\n//\n// Support: Safari 7 only\n// Safari sends mouseenter too often; see:\n// https://code.google.com/p/chromium/issues/detail?id=470258\n// for the description of the bug (it existed in older Chrome versions as well).\njQuery.each( {\n\tmouseenter: \"mouseover\",\n\tmouseleave: \"mouseout\",\n\tpointerenter: \"pointerover\",\n\tpointerleave: \"pointerout\"\n}, function( orig, fix ) {\n\tjQuery.event.special[ orig ] = {\n\t\tdelegateType: fix,\n\t\tbindType: fix,\n\n\t\thandle: function( event ) {\n\t\t\tvar ret,\n\t\t\t\ttarget = this,\n\t\t\t\trelated = event.relatedTarget,\n\t\t\t\thandleObj = event.handleObj;\n\n\t\t\t// For mouseenter/leave call the handler if related is outside the target.\n\t\t\t// NB: No relatedTarget if the mouse left/entered the browser window\n\t\t\tif ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {\n\t\t\t\tevent.type = handleObj.origType;\n\t\t\t\tret = handleObj.handler.apply( this, arguments );\n\t\t\t\tevent.type = fix;\n\t\t\t}\n\t\t\treturn ret;\n\t\t}\n\t};\n} );\n\njQuery.fn.extend( {\n\ton: function( types, selector, data, fn ) {\n\t\treturn on( this, types, selector, data, fn );\n\t},\n\tone: function( types, selector, data, fn ) {\n\t\treturn on( this, types, selector, data, fn, 1 );\n\t},\n\toff: function( types, selector, fn ) {\n\t\tvar handleObj, type;\n\t\tif ( types && types.preventDefault && types.handleObj ) {\n\n\t\t\t// ( event )  dispatched jQuery.Event\n\t\t\thandleObj = types.handleObj;\n\t\t\tjQuery( types.delegateTarget ).off(\n\t\t\t\thandleObj.namespace ?\n\t\t\t\t\thandleObj.origType + \".\" + handleObj.namespace :\n\t\t\t\t\thandleObj.origType,\n\t\t\t\thandleObj.selector,\n\t\t\t\thandleObj.handler\n\t\t\t);\n\t\t\treturn this;\n\t\t}\n\t\tif ( typeof types === \"object\" ) {\n\n\t\t\t// ( types-object [, selector] )\n\t\t\tfor ( type in types ) {\n\t\t\t\tthis.off( type, selector, types[ type ] );\n\t\t\t}\n\t\t\treturn this;\n\t\t}\n\t\tif ( selector === false || typeof selector === \"function\" ) {\n\n\t\t\t// ( types [, fn] )\n\t\t\tfn = selector;\n\t\t\tselector = undefined;\n\t\t}\n\t\tif ( fn === false ) {\n\t\t\tfn = returnFalse;\n\t\t}\n\t\treturn this.each( function() {\n\t\t\tjQuery.event.remove( this, types, fn, selector );\n\t\t} );\n\t}\n} );\n\n\nvar\n\trxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\\w:-]+)[^>]*)\\/>/gi,\n\n\t// Support: IE 10-11, Edge 10240+\n\t// In IE/Edge using regex groups here causes severe slowdowns.\n\t// See https://connect.microsoft.com/IE/feedback/details/1736512/\n\trnoInnerhtml = /<script|<style|<link/i,\n\n\t// checked=\"checked\" or checked\n\trchecked = /checked\\s*(?:[^=]|=\\s*.checked.)/i,\n\trscriptTypeMasked = /^true\\/(.*)/,\n\trcleanScript = /^\\s*<!(?:\\[CDATA\\[|--)|(?:\\]\\]|--)>\\s*$/g;\n\nfunction manipulationTarget( elem, content ) {\n\tif ( jQuery.nodeName( elem, \"table\" ) &&\n\t\tjQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, \"tr\" ) ) {\n\n\t\treturn elem.getElementsByTagName( \"tbody\" )[ 0 ] || elem;\n\t}\n\n\treturn elem;\n}\n\n// Replace/restore the type attribute of script elements for safe DOM manipulation\nfunction disableScript( elem ) {\n\telem.type = ( elem.getAttribute( \"type\" ) !== null ) + \"/\" + elem.type;\n\treturn elem;\n}\nfunction restoreScript( elem ) {\n\tvar match = rscriptTypeMasked.exec( elem.type );\n\n\tif ( match ) {\n\t\telem.type = match[ 1 ];\n\t} else {\n\t\telem.removeAttribute( \"type\" );\n\t}\n\n\treturn elem;\n}\n\nfunction cloneCopyEvent( src, dest ) {\n\tvar i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;\n\n\tif ( dest.nodeType !== 1 ) {\n\t\treturn;\n\t}\n\n\t// 1. Copy private data: events, handlers, etc.\n\tif ( dataPriv.hasData( src ) ) {\n\t\tpdataOld = dataPriv.access( src );\n\t\tpdataCur = dataPriv.set( dest, pdataOld );\n\t\tevents = pdataOld.events;\n\n\t\tif ( events ) {\n\t\t\tdelete pdataCur.handle;\n\t\t\tpdataCur.events = {};\n\n\t\t\tfor ( type in events ) {\n\t\t\t\tfor ( i = 0, l = events[ type ].length; i < l; i++ ) {\n\t\t\t\t\tjQuery.event.add( dest, type, events[ type ][ i ] );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// 2. Copy user data\n\tif ( dataUser.hasData( src ) ) {\n\t\tudataOld = dataUser.access( src );\n\t\tudataCur = jQuery.extend( {}, udataOld );\n\n\t\tdataUser.set( dest, udataCur );\n\t}\n}\n\n// Fix IE bugs, see support tests\nfunction fixInput( src, dest ) {\n\tvar nodeName = dest.nodeName.toLowerCase();\n\n\t// Fails to persist the checked state of a cloned checkbox or radio button.\n\tif ( nodeName === \"input\" && rcheckableType.test( src.type ) ) {\n\t\tdest.checked = src.checked;\n\n\t// Fails to return the selected option to the default selected state when cloning options\n\t} else if ( nodeName === \"input\" || nodeName === \"textarea\" ) {\n\t\tdest.defaultValue = src.defaultValue;\n\t}\n}\n\nfunction domManip( collection, args, callback, ignored ) {\n\n\t// Flatten any nested arrays\n\targs = concat.apply( [], args );\n\n\tvar fragment, first, scripts, hasScripts, node, doc,\n\t\ti = 0,\n\t\tl = collection.length,\n\t\tiNoClone = l - 1,\n\t\tvalue = args[ 0 ],\n\t\tisFunction = jQuery.isFunction( value );\n\n\t// We can't cloneNode fragments that contain checked, in WebKit\n\tif ( isFunction ||\n\t\t\t( l > 1 && typeof value === \"string\" &&\n\t\t\t\t!support.checkClone && rchecked.test( value ) ) ) {\n\t\treturn collection.each( function( index ) {\n\t\t\tvar self = collection.eq( index );\n\t\t\tif ( isFunction ) {\n\t\t\t\targs[ 0 ] = value.call( this, index, self.html() );\n\t\t\t}\n\t\t\tdomManip( self, args, callback, ignored );\n\t\t} );\n\t}\n\n\tif ( l ) {\n\t\tfragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );\n\t\tfirst = fragment.firstChild;\n\n\t\tif ( fragment.childNodes.length === 1 ) {\n\t\t\tfragment = first;\n\t\t}\n\n\t\t// Require either new content or an interest in ignored elements to invoke the callback\n\t\tif ( first || ignored ) {\n\t\t\tscripts = jQuery.map( getAll( fragment, \"script\" ), disableScript );\n\t\t\thasScripts = scripts.length;\n\n\t\t\t// Use the original fragment for the last item\n\t\t\t// instead of the first because it can end up\n\t\t\t// being emptied incorrectly in certain situations (#8070).\n\t\t\tfor ( ; i < l; i++ ) {\n\t\t\t\tnode = fragment;\n\n\t\t\t\tif ( i !== iNoClone ) {\n\t\t\t\t\tnode = jQuery.clone( node, true, true );\n\n\t\t\t\t\t// Keep references to cloned scripts for later restoration\n\t\t\t\t\tif ( hasScripts ) {\n\n\t\t\t\t\t\t// Support: Android<4.1, PhantomJS<2\n\t\t\t\t\t\t// push.apply(_, arraylike) throws on ancient WebKit\n\t\t\t\t\t\tjQuery.merge( scripts, getAll( node, \"script\" ) );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tcallback.call( collection[ i ], node, i );\n\t\t\t}\n\n\t\t\tif ( hasScripts ) {\n\t\t\t\tdoc = scripts[ scripts.length - 1 ].ownerDocument;\n\n\t\t\t\t// Reenable scripts\n\t\t\t\tjQuery.map( scripts, restoreScript );\n\n\t\t\t\t// Evaluate executable scripts on first document insertion\n\t\t\t\tfor ( i = 0; i < hasScripts; i++ ) {\n\t\t\t\t\tnode = scripts[ i ];\n\t\t\t\t\tif ( rscriptType.test( node.type || \"\" ) &&\n\t\t\t\t\t\t!dataPriv.access( node, \"globalEval\" ) &&\n\t\t\t\t\t\tjQuery.contains( doc, node ) ) {\n\n\t\t\t\t\t\tif ( node.src ) {\n\n\t\t\t\t\t\t\t// Optional AJAX dependency, but won't run scripts if not present\n\t\t\t\t\t\t\tif ( jQuery._evalUrl ) {\n\t\t\t\t\t\t\t\tjQuery._evalUrl( node.src );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tjQuery.globalEval( node.textContent.replace( rcleanScript, \"\" ) );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn collection;\n}\n\nfunction remove( elem, selector, keepData ) {\n\tvar node,\n\t\tnodes = selector ? jQuery.filter( selector, elem ) : elem,\n\t\ti = 0;\n\n\tfor ( ; ( node = nodes[ i ] ) != null; i++ ) {\n\t\tif ( !keepData && node.nodeType === 1 ) {\n\t\t\tjQuery.cleanData( getAll( node ) );\n\t\t}\n\n\t\tif ( node.parentNode ) {\n\t\t\tif ( keepData && jQuery.contains( node.ownerDocument, node ) ) {\n\t\t\t\tsetGlobalEval( getAll( node, \"script\" ) );\n\t\t\t}\n\t\t\tnode.parentNode.removeChild( node );\n\t\t}\n\t}\n\n\treturn elem;\n}\n\njQuery.extend( {\n\thtmlPrefilter: function( html ) {\n\t\treturn html.replace( rxhtmlTag, \"<$1></$2>\" );\n\t},\n\n\tclone: function( elem, dataAndEvents, deepDataAndEvents ) {\n\t\tvar i, l, srcElements, destElements,\n\t\t\tclone = elem.cloneNode( true ),\n\t\t\tinPage = jQuery.contains( elem.ownerDocument, elem );\n\n\t\t// Fix IE cloning issues\n\t\tif ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&\n\t\t\t\t!jQuery.isXMLDoc( elem ) ) {\n\n\t\t\t// We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2\n\t\t\tdestElements = getAll( clone );\n\t\t\tsrcElements = getAll( elem );\n\n\t\t\tfor ( i = 0, l = srcElements.length; i < l; i++ ) {\n\t\t\t\tfixInput( srcElements[ i ], destElements[ i ] );\n\t\t\t}\n\t\t}\n\n\t\t// Copy the events from the original to the clone\n\t\tif ( dataAndEvents ) {\n\t\t\tif ( deepDataAndEvents ) {\n\t\t\t\tsrcElements = srcElements || getAll( elem );\n\t\t\t\tdestElements = destElements || getAll( clone );\n\n\t\t\t\tfor ( i = 0, l = srcElements.length; i < l; i++ ) {\n\t\t\t\t\tcloneCopyEvent( srcElements[ i ], destElements[ i ] );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tcloneCopyEvent( elem, clone );\n\t\t\t}\n\t\t}\n\n\t\t// Preserve script evaluation history\n\t\tdestElements = getAll( clone, \"script\" );\n\t\tif ( destElements.length > 0 ) {\n\t\t\tsetGlobalEval( destElements, !inPage && getAll( elem, \"script\" ) );\n\t\t}\n\n\t\t// Return the cloned set\n\t\treturn clone;\n\t},\n\n\tcleanData: function( elems ) {\n\t\tvar data, elem, type,\n\t\t\tspecial = jQuery.event.special,\n\t\t\ti = 0;\n\n\t\tfor ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {\n\t\t\tif ( acceptData( elem ) ) {\n\t\t\t\tif ( ( data = elem[ dataPriv.expando ] ) ) {\n\t\t\t\t\tif ( data.events ) {\n\t\t\t\t\t\tfor ( type in data.events ) {\n\t\t\t\t\t\t\tif ( special[ type ] ) {\n\t\t\t\t\t\t\t\tjQuery.event.remove( elem, type );\n\n\t\t\t\t\t\t\t// This is a shortcut to avoid jQuery.event.remove's overhead\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\tjQuery.removeEvent( elem, type, data.handle );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\t// Support: Chrome <= 35-45+\n\t\t\t\t\t// Assign undefined instead of using delete, see Data#remove\n\t\t\t\t\telem[ dataPriv.expando ] = undefined;\n\t\t\t\t}\n\t\t\t\tif ( elem[ dataUser.expando ] ) {\n\n\t\t\t\t\t// Support: Chrome <= 35-45+\n\t\t\t\t\t// Assign undefined instead of using delete, see Data#remove\n\t\t\t\t\telem[ dataUser.expando ] = undefined;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n} );\n\njQuery.fn.extend( {\n\n\t// Keep domManip exposed until 3.0 (gh-2225)\n\tdomManip: domManip,\n\n\tdetach: function( selector ) {\n\t\treturn remove( this, selector, true );\n\t},\n\n\tremove: function( selector ) {\n\t\treturn remove( this, selector );\n\t},\n\n\ttext: function( value ) {\n\t\treturn access( this, function( value ) {\n\t\t\treturn value === undefined ?\n\t\t\t\tjQuery.text( this ) :\n\t\t\t\tthis.empty().each( function() {\n\t\t\t\t\tif ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {\n\t\t\t\t\t\tthis.textContent = value;\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t}, null, value, arguments.length );\n\t},\n\n\tappend: function() {\n\t\treturn domManip( this, arguments, function( elem ) {\n\t\t\tif ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {\n\t\t\t\tvar target = manipulationTarget( this, elem );\n\t\t\t\ttarget.appendChild( elem );\n\t\t\t}\n\t\t} );\n\t},\n\n\tprepend: function() {\n\t\treturn domManip( this, arguments, function( elem ) {\n\t\t\tif ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {\n\t\t\t\tvar target = manipulationTarget( this, elem );\n\t\t\t\ttarget.insertBefore( elem, target.firstChild );\n\t\t\t}\n\t\t} );\n\t},\n\n\tbefore: function() {\n\t\treturn domManip( this, arguments, function( elem ) {\n\t\t\tif ( this.parentNode ) {\n\t\t\t\tthis.parentNode.insertBefore( elem, this );\n\t\t\t}\n\t\t} );\n\t},\n\n\tafter: function() {\n\t\treturn domManip( this, arguments, function( elem ) {\n\t\t\tif ( this.parentNode ) {\n\t\t\t\tthis.parentNode.insertBefore( elem, this.nextSibling );\n\t\t\t}\n\t\t} );\n\t},\n\n\tempty: function() {\n\t\tvar elem,\n\t\t\ti = 0;\n\n\t\tfor ( ; ( elem = this[ i ] ) != null; i++ ) {\n\t\t\tif ( elem.nodeType === 1 ) {\n\n\t\t\t\t// Prevent memory leaks\n\t\t\t\tjQuery.cleanData( getAll( elem, false ) );\n\n\t\t\t\t// Remove any remaining nodes\n\t\t\t\telem.textContent = \"\";\n\t\t\t}\n\t\t}\n\n\t\treturn this;\n\t},\n\n\tclone: function( dataAndEvents, deepDataAndEvents ) {\n\t\tdataAndEvents = dataAndEvents == null ? false : dataAndEvents;\n\t\tdeepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;\n\n\t\treturn this.map( function() {\n\t\t\treturn jQuery.clone( this, dataAndEvents, deepDataAndEvents );\n\t\t} );\n\t},\n\n\thtml: function( value ) {\n\t\treturn access( this, function( value ) {\n\t\t\tvar elem = this[ 0 ] || {},\n\t\t\t\ti = 0,\n\t\t\t\tl = this.length;\n\n\t\t\tif ( value === undefined && elem.nodeType === 1 ) {\n\t\t\t\treturn elem.innerHTML;\n\t\t\t}\n\n\t\t\t// See if we can take a shortcut and just use innerHTML\n\t\t\tif ( typeof value === \"string\" && !rnoInnerhtml.test( value ) &&\n\t\t\t\t!wrapMap[ ( rtagName.exec( value ) || [ \"\", \"\" ] )[ 1 ].toLowerCase() ] ) {\n\n\t\t\t\tvalue = jQuery.htmlPrefilter( value );\n\n\t\t\t\ttry {\n\t\t\t\t\tfor ( ; i < l; i++ ) {\n\t\t\t\t\t\telem = this[ i ] || {};\n\n\t\t\t\t\t\t// Remove element nodes and prevent memory leaks\n\t\t\t\t\t\tif ( elem.nodeType === 1 ) {\n\t\t\t\t\t\t\tjQuery.cleanData( getAll( elem, false ) );\n\t\t\t\t\t\t\telem.innerHTML = value;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\telem = 0;\n\n\t\t\t\t// If using innerHTML throws an exception, use the fallback method\n\t\t\t\t} catch ( e ) {}\n\t\t\t}\n\n\t\t\tif ( elem ) {\n\t\t\t\tthis.empty().append( value );\n\t\t\t}\n\t\t}, null, value, arguments.length );\n\t},\n\n\treplaceWith: function() {\n\t\tvar ignored = [];\n\n\t\t// Make the changes, replacing each non-ignored context element with the new content\n\t\treturn domManip( this, arguments, function( elem ) {\n\t\t\tvar parent = this.parentNode;\n\n\t\t\tif ( jQuery.inArray( this, ignored ) < 0 ) {\n\t\t\t\tjQuery.cleanData( getAll( this ) );\n\t\t\t\tif ( parent ) {\n\t\t\t\t\tparent.replaceChild( elem, this );\n\t\t\t\t}\n\t\t\t}\n\n\t\t// Force callback invocation\n\t\t}, ignored );\n\t}\n} );\n\njQuery.each( {\n\tappendTo: \"append\",\n\tprependTo: \"prepend\",\n\tinsertBefore: \"before\",\n\tinsertAfter: \"after\",\n\treplaceAll: \"replaceWith\"\n}, function( name, original ) {\n\tjQuery.fn[ name ] = function( selector ) {\n\t\tvar elems,\n\t\t\tret = [],\n\t\t\tinsert = jQuery( selector ),\n\t\t\tlast = insert.length - 1,\n\t\t\ti = 0;\n\n\t\tfor ( ; i <= last; i++ ) {\n\t\t\telems = i === last ? this : this.clone( true );\n\t\t\tjQuery( insert[ i ] )[ original ]( elems );\n\n\t\t\t// Support: QtWebKit\n\t\t\t// .get() because push.apply(_, arraylike) throws\n\t\t\tpush.apply( ret, elems.get() );\n\t\t}\n\n\t\treturn this.pushStack( ret );\n\t};\n} );\n\n\nvar iframe,\n\telemdisplay = {\n\n\t\t// Support: Firefox\n\t\t// We have to pre-define these values for FF (#10227)\n\t\tHTML: \"block\",\n\t\tBODY: \"block\"\n\t};\n\n/**\n * Retrieve the actual display of a element\n * @param {String} name nodeName of the element\n * @param {Object} doc Document object\n */\n\n// Called only from within defaultDisplay\nfunction actualDisplay( name, doc ) {\n\tvar elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),\n\n\t\tdisplay = jQuery.css( elem[ 0 ], \"display\" );\n\n\t// We don't have any data stored on the element,\n\t// so use \"detach\" method as fast way to get rid of the element\n\telem.detach();\n\n\treturn display;\n}\n\n/**\n * Try to determine the default display value of an element\n * @param {String} nodeName\n */\nfunction defaultDisplay( nodeName ) {\n\tvar doc = document,\n\t\tdisplay = elemdisplay[ nodeName ];\n\n\tif ( !display ) {\n\t\tdisplay = actualDisplay( nodeName, doc );\n\n\t\t// If the simple way fails, read from inside an iframe\n\t\tif ( display === \"none\" || !display ) {\n\n\t\t\t// Use the already-created iframe if possible\n\t\t\tiframe = ( iframe || jQuery( \"<iframe frameborder='0' width='0' height='0'/>\" ) )\n\t\t\t\t.appendTo( doc.documentElement );\n\n\t\t\t// Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse\n\t\t\tdoc = iframe[ 0 ].contentDocument;\n\n\t\t\t// Support: IE\n\t\t\tdoc.write();\n\t\t\tdoc.close();\n\n\t\t\tdisplay = actualDisplay( nodeName, doc );\n\t\t\tiframe.detach();\n\t\t}\n\n\t\t// Store the correct default display\n\t\telemdisplay[ nodeName ] = display;\n\t}\n\n\treturn display;\n}\nvar rmargin = ( /^margin/ );\n\nvar rnumnonpx = new RegExp( \"^(\" + pnum + \")(?!px)[a-z%]+$\", \"i\" );\n\nvar getStyles = function( elem ) {\n\n\t\t// Support: IE<=11+, Firefox<=30+ (#15098, #14150)\n\t\t// IE throws on elements created in popups\n\t\t// FF meanwhile throws on frame elements through \"defaultView.getComputedStyle\"\n\t\tvar view = elem.ownerDocument.defaultView;\n\n\t\tif ( !view.opener ) {\n\t\t\tview = window;\n\t\t}\n\n\t\treturn view.getComputedStyle( elem );\n\t};\n\nvar swap = function( elem, options, callback, args ) {\n\tvar ret, name,\n\t\told = {};\n\n\t// Remember the old values, and insert the new ones\n\tfor ( name in options ) {\n\t\told[ name ] = elem.style[ name ];\n\t\telem.style[ name ] = options[ name ];\n\t}\n\n\tret = callback.apply( elem, args || [] );\n\n\t// Revert the old values\n\tfor ( name in options ) {\n\t\telem.style[ name ] = old[ name ];\n\t}\n\n\treturn ret;\n};\n\n\nvar documentElement = document.documentElement;\n\n\n\n( function() {\n\tvar pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal,\n\t\tcontainer = document.createElement( \"div\" ),\n\t\tdiv = document.createElement( \"div\" );\n\n\t// Finish early in limited (non-browser) environments\n\tif ( !div.style ) {\n\t\treturn;\n\t}\n\n\t// Support: IE9-11+\n\t// Style of cloned element affects source element cloned (#8908)\n\tdiv.style.backgroundClip = \"content-box\";\n\tdiv.cloneNode( true ).style.backgroundClip = \"\";\n\tsupport.clearCloneStyle = div.style.backgroundClip === \"content-box\";\n\n\tcontainer.style.cssText = \"border:0;width:8px;height:0;top:0;left:-9999px;\" +\n\t\t\"padding:0;margin-top:1px;position:absolute\";\n\tcontainer.appendChild( div );\n\n\t// Executing both pixelPosition & boxSizingReliable tests require only one layout\n\t// so they're executed at the same time to save the second computation.\n\tfunction computeStyleTests() {\n\t\tdiv.style.cssText =\n\n\t\t\t// Support: Firefox<29, Android 2.3\n\t\t\t// Vendor-prefix box-sizing\n\t\t\t\"-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;\" +\n\t\t\t\"position:relative;display:block;\" +\n\t\t\t\"margin:auto;border:1px;padding:1px;\" +\n\t\t\t\"top:1%;width:50%\";\n\t\tdiv.innerHTML = \"\";\n\t\tdocumentElement.appendChild( container );\n\n\t\tvar divStyle = window.getComputedStyle( div );\n\t\tpixelPositionVal = divStyle.top !== \"1%\";\n\t\treliableMarginLeftVal = divStyle.marginLeft === \"2px\";\n\t\tboxSizingReliableVal = divStyle.width === \"4px\";\n\n\t\t// Support: Android 4.0 - 4.3 only\n\t\t// Some styles come back with percentage values, even though they shouldn't\n\t\tdiv.style.marginRight = \"50%\";\n\t\tpixelMarginRightVal = divStyle.marginRight === \"4px\";\n\n\t\tdocumentElement.removeChild( container );\n\t}\n\n\tjQuery.extend( support, {\n\t\tpixelPosition: function() {\n\n\t\t\t// This test is executed only once but we still do memoizing\n\t\t\t// since we can use the boxSizingReliable pre-computing.\n\t\t\t// No need to check if the test was already performed, though.\n\t\t\tcomputeStyleTests();\n\t\t\treturn pixelPositionVal;\n\t\t},\n\t\tboxSizingReliable: function() {\n\t\t\tif ( boxSizingReliableVal == null ) {\n\t\t\t\tcomputeStyleTests();\n\t\t\t}\n\t\t\treturn boxSizingReliableVal;\n\t\t},\n\t\tpixelMarginRight: function() {\n\n\t\t\t// Support: Android 4.0-4.3\n\t\t\t// We're checking for boxSizingReliableVal here instead of pixelMarginRightVal\n\t\t\t// since that compresses better and they're computed together anyway.\n\t\t\tif ( boxSizingReliableVal == null ) {\n\t\t\t\tcomputeStyleTests();\n\t\t\t}\n\t\t\treturn pixelMarginRightVal;\n\t\t},\n\t\treliableMarginLeft: function() {\n\n\t\t\t// Support: IE <=8 only, Android 4.0 - 4.3 only, Firefox <=3 - 37\n\t\t\tif ( boxSizingReliableVal == null ) {\n\t\t\t\tcomputeStyleTests();\n\t\t\t}\n\t\t\treturn reliableMarginLeftVal;\n\t\t},\n\t\treliableMarginRight: function() {\n\n\t\t\t// Support: Android 2.3\n\t\t\t// Check if div with explicit width and no margin-right incorrectly\n\t\t\t// gets computed margin-right based on width of container. (#3333)\n\t\t\t// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right\n\t\t\t// This support function is only executed once so no memoizing is needed.\n\t\t\tvar ret,\n\t\t\t\tmarginDiv = div.appendChild( document.createElement( \"div\" ) );\n\n\t\t\t// Reset CSS: box-sizing; display; margin; border; padding\n\t\t\tmarginDiv.style.cssText = div.style.cssText =\n\n\t\t\t\t// Support: Android 2.3\n\t\t\t\t// Vendor-prefix box-sizing\n\t\t\t\t\"-webkit-box-sizing:content-box;box-sizing:content-box;\" +\n\t\t\t\t\"display:block;margin:0;border:0;padding:0\";\n\t\t\tmarginDiv.style.marginRight = marginDiv.style.width = \"0\";\n\t\t\tdiv.style.width = \"1px\";\n\t\t\tdocumentElement.appendChild( container );\n\n\t\t\tret = !parseFloat( window.getComputedStyle( marginDiv ).marginRight );\n\n\t\t\tdocumentElement.removeChild( container );\n\t\t\tdiv.removeChild( marginDiv );\n\n\t\t\treturn ret;\n\t\t}\n\t} );\n} )();\n\n\nfunction curCSS( elem, name, computed ) {\n\tvar width, minWidth, maxWidth, ret,\n\t\tstyle = elem.style;\n\n\tcomputed = computed || getStyles( elem );\n\n\t// Support: IE9\n\t// getPropertyValue is only needed for .css('filter') (#12537)\n\tif ( computed ) {\n\t\tret = computed.getPropertyValue( name ) || computed[ name ];\n\n\t\tif ( ret === \"\" && !jQuery.contains( elem.ownerDocument, elem ) ) {\n\t\t\tret = jQuery.style( elem, name );\n\t\t}\n\n\t\t// A tribute to the \"awesome hack by Dean Edwards\"\n\t\t// Android Browser returns percentage for some values,\n\t\t// but width seems to be reliably pixels.\n\t\t// This is against the CSSOM draft spec:\n\t\t// http://dev.w3.org/csswg/cssom/#resolved-values\n\t\tif ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {\n\n\t\t\t// Remember the original values\n\t\t\twidth = style.width;\n\t\t\tminWidth = style.minWidth;\n\t\t\tmaxWidth = style.maxWidth;\n\n\t\t\t// Put in the new values to get a computed value out\n\t\t\tstyle.minWidth = style.maxWidth = style.width = ret;\n\t\t\tret = computed.width;\n\n\t\t\t// Revert the changed values\n\t\t\tstyle.width = width;\n\t\t\tstyle.minWidth = minWidth;\n\t\t\tstyle.maxWidth = maxWidth;\n\t\t}\n\t}\n\n\treturn ret !== undefined ?\n\n\t\t// Support: IE9-11+\n\t\t// IE returns zIndex value as an integer.\n\t\tret + \"\" :\n\t\tret;\n}\n\n\nfunction addGetHookIf( conditionFn, hookFn ) {\n\n\t// Define the hook, we'll check on the first run if it's really needed.\n\treturn {\n\t\tget: function() {\n\t\t\tif ( conditionFn() ) {\n\n\t\t\t\t// Hook not needed (or it's not possible to use it due\n\t\t\t\t// to missing dependency), remove it.\n\t\t\t\tdelete this.get;\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Hook needed; redefine it so that the support test is not executed again.\n\t\t\treturn ( this.get = hookFn ).apply( this, arguments );\n\t\t}\n\t};\n}\n\n\nvar\n\n\t// Swappable if display is none or starts with table\n\t// except \"table\", \"table-cell\", or \"table-caption\"\n\t// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display\n\trdisplayswap = /^(none|table(?!-c[ea]).+)/,\n\n\tcssShow = { position: \"absolute\", visibility: \"hidden\", display: \"block\" },\n\tcssNormalTransform = {\n\t\tletterSpacing: \"0\",\n\t\tfontWeight: \"400\"\n\t},\n\n\tcssPrefixes = [ \"Webkit\", \"O\", \"Moz\", \"ms\" ],\n\temptyStyle = document.createElement( \"div\" ).style;\n\n// Return a css property mapped to a potentially vendor prefixed property\nfunction vendorPropName( name ) {\n\n\t// Shortcut for names that are not vendor prefixed\n\tif ( name in emptyStyle ) {\n\t\treturn name;\n\t}\n\n\t// Check for vendor prefixed names\n\tvar capName = name[ 0 ].toUpperCase() + name.slice( 1 ),\n\t\ti = cssPrefixes.length;\n\n\twhile ( i-- ) {\n\t\tname = cssPrefixes[ i ] + capName;\n\t\tif ( name in emptyStyle ) {\n\t\t\treturn name;\n\t\t}\n\t}\n}\n\nfunction setPositiveNumber( elem, value, subtract ) {\n\n\t// Any relative (+/-) values have already been\n\t// normalized at this point\n\tvar matches = rcssNum.exec( value );\n\treturn matches ?\n\n\t\t// Guard against undefined \"subtract\", e.g., when used as in cssHooks\n\t\tMath.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || \"px\" ) :\n\t\tvalue;\n}\n\nfunction augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {\n\tvar i = extra === ( isBorderBox ? \"border\" : \"content\" ) ?\n\n\t\t// If we already have the right measurement, avoid augmentation\n\t\t4 :\n\n\t\t// Otherwise initialize for horizontal or vertical properties\n\t\tname === \"width\" ? 1 : 0,\n\n\t\tval = 0;\n\n\tfor ( ; i < 4; i += 2 ) {\n\n\t\t// Both box models exclude margin, so add it if we want it\n\t\tif ( extra === \"margin\" ) {\n\t\t\tval += jQuery.css( elem, extra + cssExpand[ i ], true, styles );\n\t\t}\n\n\t\tif ( isBorderBox ) {\n\n\t\t\t// border-box includes padding, so remove it if we want content\n\t\t\tif ( extra === \"content\" ) {\n\t\t\t\tval -= jQuery.css( elem, \"padding\" + cssExpand[ i ], true, styles );\n\t\t\t}\n\n\t\t\t// At this point, extra isn't border nor margin, so remove border\n\t\t\tif ( extra !== \"margin\" ) {\n\t\t\t\tval -= jQuery.css( elem, \"border\" + cssExpand[ i ] + \"Width\", true, styles );\n\t\t\t}\n\t\t} else {\n\n\t\t\t// At this point, extra isn't content, so add padding\n\t\t\tval += jQuery.css( elem, \"padding\" + cssExpand[ i ], true, styles );\n\n\t\t\t// At this point, extra isn't content nor padding, so add border\n\t\t\tif ( extra !== \"padding\" ) {\n\t\t\t\tval += jQuery.css( elem, \"border\" + cssExpand[ i ] + \"Width\", true, styles );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn val;\n}\n\nfunction getWidthOrHeight( elem, name, extra ) {\n\n\t// Start with offset property, which is equivalent to the border-box value\n\tvar valueIsBorderBox = true,\n\t\tval = name === \"width\" ? elem.offsetWidth : elem.offsetHeight,\n\t\tstyles = getStyles( elem ),\n\t\tisBorderBox = jQuery.css( elem, \"boxSizing\", false, styles ) === \"border-box\";\n\n\t// Support: IE11 only\n\t// In IE 11 fullscreen elements inside of an iframe have\n\t// 100x too small dimensions (gh-1764).\n\tif ( document.msFullscreenElement && window.top !== window ) {\n\n\t\t// Support: IE11 only\n\t\t// Running getBoundingClientRect on a disconnected node\n\t\t// in IE throws an error.\n\t\tif ( elem.getClientRects().length ) {\n\t\t\tval = Math.round( elem.getBoundingClientRect()[ name ] * 100 );\n\t\t}\n\t}\n\n\t// Some non-html elements return undefined for offsetWidth, so check for null/undefined\n\t// svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285\n\t// MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668\n\tif ( val <= 0 || val == null ) {\n\n\t\t// Fall back to computed then uncomputed css if necessary\n\t\tval = curCSS( elem, name, styles );\n\t\tif ( val < 0 || val == null ) {\n\t\t\tval = elem.style[ name ];\n\t\t}\n\n\t\t// Computed unit is not pixels. Stop here and return.\n\t\tif ( rnumnonpx.test( val ) ) {\n\t\t\treturn val;\n\t\t}\n\n\t\t// Check for style in case a browser which returns unreliable values\n\t\t// for getComputedStyle silently falls back to the reliable elem.style\n\t\tvalueIsBorderBox = isBorderBox &&\n\t\t\t( support.boxSizingReliable() || val === elem.style[ name ] );\n\n\t\t// Normalize \"\", auto, and prepare for extra\n\t\tval = parseFloat( val ) || 0;\n\t}\n\n\t// Use the active box-sizing model to add/subtract irrelevant styles\n\treturn ( val +\n\t\taugmentWidthOrHeight(\n\t\t\telem,\n\t\t\tname,\n\t\t\textra || ( isBorderBox ? \"border\" : \"content\" ),\n\t\t\tvalueIsBorderBox,\n\t\t\tstyles\n\t\t)\n\t) + \"px\";\n}\n\nfunction showHide( elements, show ) {\n\tvar display, elem, hidden,\n\t\tvalues = [],\n\t\tindex = 0,\n\t\tlength = elements.length;\n\n\tfor ( ; index < length; index++ ) {\n\t\telem = elements[ index ];\n\t\tif ( !elem.style ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tvalues[ index ] = dataPriv.get( elem, \"olddisplay\" );\n\t\tdisplay = elem.style.display;\n\t\tif ( show ) {\n\n\t\t\t// Reset the inline display of this element to learn if it is\n\t\t\t// being hidden by cascaded rules or not\n\t\t\tif ( !values[ index ] && display === \"none\" ) {\n\t\t\t\telem.style.display = \"\";\n\t\t\t}\n\n\t\t\t// Set elements which have been overridden with display: none\n\t\t\t// in a stylesheet to whatever the default browser style is\n\t\t\t// for such an element\n\t\t\tif ( elem.style.display === \"\" && isHidden( elem ) ) {\n\t\t\t\tvalues[ index ] = dataPriv.access(\n\t\t\t\t\telem,\n\t\t\t\t\t\"olddisplay\",\n\t\t\t\t\tdefaultDisplay( elem.nodeName )\n\t\t\t\t);\n\t\t\t}\n\t\t} else {\n\t\t\thidden = isHidden( elem );\n\n\t\t\tif ( display !== \"none\" || !hidden ) {\n\t\t\t\tdataPriv.set(\n\t\t\t\t\telem,\n\t\t\t\t\t\"olddisplay\",\n\t\t\t\t\thidden ? display : jQuery.css( elem, \"display\" )\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t}\n\n\t// Set the display of most of the elements in a second loop\n\t// to avoid the constant reflow\n\tfor ( index = 0; index < length; index++ ) {\n\t\telem = elements[ index ];\n\t\tif ( !elem.style ) {\n\t\t\tcontinue;\n\t\t}\n\t\tif ( !show || elem.style.display === \"none\" || elem.style.display === \"\" ) {\n\t\t\telem.style.display = show ? values[ index ] || \"\" : \"none\";\n\t\t}\n\t}\n\n\treturn elements;\n}\n\njQuery.extend( {\n\n\t// Add in style property hooks for overriding the default\n\t// behavior of getting and setting a style property\n\tcssHooks: {\n\t\topacity: {\n\t\t\tget: function( elem, computed ) {\n\t\t\t\tif ( computed ) {\n\n\t\t\t\t\t// We should always get a number back from opacity\n\t\t\t\t\tvar ret = curCSS( elem, \"opacity\" );\n\t\t\t\t\treturn ret === \"\" ? \"1\" : ret;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t},\n\n\t// Don't automatically add \"px\" to these possibly-unitless properties\n\tcssNumber: {\n\t\t\"animationIterationCount\": true,\n\t\t\"columnCount\": true,\n\t\t\"fillOpacity\": true,\n\t\t\"flexGrow\": true,\n\t\t\"flexShrink\": true,\n\t\t\"fontWeight\": true,\n\t\t\"lineHeight\": true,\n\t\t\"opacity\": true,\n\t\t\"order\": true,\n\t\t\"orphans\": true,\n\t\t\"widows\": true,\n\t\t\"zIndex\": true,\n\t\t\"zoom\": true\n\t},\n\n\t// Add in properties whose names you wish to fix before\n\t// setting or getting the value\n\tcssProps: {\n\t\t\"float\": \"cssFloat\"\n\t},\n\n\t// Get and set the style property on a DOM Node\n\tstyle: function( elem, name, value, extra ) {\n\n\t\t// Don't set styles on text and comment nodes\n\t\tif ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Make sure that we're working with the right name\n\t\tvar ret, type, hooks,\n\t\t\torigName = jQuery.camelCase( name ),\n\t\t\tstyle = elem.style;\n\n\t\tname = jQuery.cssProps[ origName ] ||\n\t\t\t( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );\n\n\t\t// Gets hook for the prefixed version, then unprefixed version\n\t\thooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];\n\n\t\t// Check if we're setting a value\n\t\tif ( value !== undefined ) {\n\t\t\ttype = typeof value;\n\n\t\t\t// Convert \"+=\" or \"-=\" to relative numbers (#7345)\n\t\t\tif ( type === \"string\" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {\n\t\t\t\tvalue = adjustCSS( elem, name, ret );\n\n\t\t\t\t// Fixes bug #9237\n\t\t\t\ttype = \"number\";\n\t\t\t}\n\n\t\t\t// Make sure that null and NaN values aren't set (#7116)\n\t\t\tif ( value == null || value !== value ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// If a number was passed in, add the unit (except for certain CSS properties)\n\t\t\tif ( type === \"number\" ) {\n\t\t\t\tvalue += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? \"\" : \"px\" );\n\t\t\t}\n\n\t\t\t// Support: IE9-11+\n\t\t\t// background-* props affect original clone's values\n\t\t\tif ( !support.clearCloneStyle && value === \"\" && name.indexOf( \"background\" ) === 0 ) {\n\t\t\t\tstyle[ name ] = \"inherit\";\n\t\t\t}\n\n\t\t\t// If a hook was provided, use that value, otherwise just set the specified value\n\t\t\tif ( !hooks || !( \"set\" in hooks ) ||\n\t\t\t\t( value = hooks.set( elem, value, extra ) ) !== undefined ) {\n\n\t\t\t\tstyle[ name ] = value;\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// If a hook was provided get the non-computed value from there\n\t\t\tif ( hooks && \"get\" in hooks &&\n\t\t\t\t( ret = hooks.get( elem, false, extra ) ) !== undefined ) {\n\n\t\t\t\treturn ret;\n\t\t\t}\n\n\t\t\t// Otherwise just get the value from the style object\n\t\t\treturn style[ name ];\n\t\t}\n\t},\n\n\tcss: function( elem, name, extra, styles ) {\n\t\tvar val, num, hooks,\n\t\t\torigName = jQuery.camelCase( name );\n\n\t\t// Make sure that we're working with the right name\n\t\tname = jQuery.cssProps[ origName ] ||\n\t\t\t( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );\n\n\t\t// Try prefixed name followed by the unprefixed name\n\t\thooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];\n\n\t\t// If a hook was provided get the computed value from there\n\t\tif ( hooks && \"get\" in hooks ) {\n\t\t\tval = hooks.get( elem, true, extra );\n\t\t}\n\n\t\t// Otherwise, if a way to get the computed value exists, use that\n\t\tif ( val === undefined ) {\n\t\t\tval = curCSS( elem, name, styles );\n\t\t}\n\n\t\t// Convert \"normal\" to computed value\n\t\tif ( val === \"normal\" && name in cssNormalTransform ) {\n\t\t\tval = cssNormalTransform[ name ];\n\t\t}\n\n\t\t// Make numeric if forced or a qualifier was provided and val looks numeric\n\t\tif ( extra === \"\" || extra ) {\n\t\t\tnum = parseFloat( val );\n\t\t\treturn extra === true || isFinite( num ) ? num || 0 : val;\n\t\t}\n\t\treturn val;\n\t}\n} );\n\njQuery.each( [ \"height\", \"width\" ], function( i, name ) {\n\tjQuery.cssHooks[ name ] = {\n\t\tget: function( elem, computed, extra ) {\n\t\t\tif ( computed ) {\n\n\t\t\t\t// Certain elements can have dimension info if we invisibly show them\n\t\t\t\t// but it must have a current display style that would benefit\n\t\t\t\treturn rdisplayswap.test( jQuery.css( elem, \"display\" ) ) &&\n\t\t\t\t\telem.offsetWidth === 0 ?\n\t\t\t\t\t\tswap( elem, cssShow, function() {\n\t\t\t\t\t\t\treturn getWidthOrHeight( elem, name, extra );\n\t\t\t\t\t\t} ) :\n\t\t\t\t\t\tgetWidthOrHeight( elem, name, extra );\n\t\t\t}\n\t\t},\n\n\t\tset: function( elem, value, extra ) {\n\t\t\tvar matches,\n\t\t\t\tstyles = extra && getStyles( elem ),\n\t\t\t\tsubtract = extra && augmentWidthOrHeight(\n\t\t\t\t\telem,\n\t\t\t\t\tname,\n\t\t\t\t\textra,\n\t\t\t\t\tjQuery.css( elem, \"boxSizing\", false, styles ) === \"border-box\",\n\t\t\t\t\tstyles\n\t\t\t\t);\n\n\t\t\t// Convert to pixels if value adjustment is needed\n\t\t\tif ( subtract && ( matches = rcssNum.exec( value ) ) &&\n\t\t\t\t( matches[ 3 ] || \"px\" ) !== \"px\" ) {\n\n\t\t\t\telem.style[ name ] = value;\n\t\t\t\tvalue = jQuery.css( elem, name );\n\t\t\t}\n\n\t\t\treturn setPositiveNumber( elem, value, subtract );\n\t\t}\n\t};\n} );\n\njQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,\n\tfunction( elem, computed ) {\n\t\tif ( computed ) {\n\t\t\treturn ( parseFloat( curCSS( elem, \"marginLeft\" ) ) ||\n\t\t\t\telem.getBoundingClientRect().left -\n\t\t\t\t\tswap( elem, { marginLeft: 0 }, function() {\n\t\t\t\t\t\treturn elem.getBoundingClientRect().left;\n\t\t\t\t\t} )\n\t\t\t\t) + \"px\";\n\t\t}\n\t}\n);\n\n// Support: Android 2.3\njQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,\n\tfunction( elem, computed ) {\n\t\tif ( computed ) {\n\t\t\treturn swap( elem, { \"display\": \"inline-block\" },\n\t\t\t\tcurCSS, [ elem, \"marginRight\" ] );\n\t\t}\n\t}\n);\n\n// These hooks are used by animate to expand properties\njQuery.each( {\n\tmargin: \"\",\n\tpadding: \"\",\n\tborder: \"Width\"\n}, function( prefix, suffix ) {\n\tjQuery.cssHooks[ prefix + suffix ] = {\n\t\texpand: function( value ) {\n\t\t\tvar i = 0,\n\t\t\t\texpanded = {},\n\n\t\t\t\t// Assumes a single number if not a string\n\t\t\t\tparts = typeof value === \"string\" ? value.split( \" \" ) : [ value ];\n\n\t\t\tfor ( ; i < 4; i++ ) {\n\t\t\t\texpanded[ prefix + cssExpand[ i ] + suffix ] =\n\t\t\t\t\tparts[ i ] || parts[ i - 2 ] || parts[ 0 ];\n\t\t\t}\n\n\t\t\treturn expanded;\n\t\t}\n\t};\n\n\tif ( !rmargin.test( prefix ) ) {\n\t\tjQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;\n\t}\n} );\n\njQuery.fn.extend( {\n\tcss: function( name, value ) {\n\t\treturn access( this, function( elem, name, value ) {\n\t\t\tvar styles, len,\n\t\t\t\tmap = {},\n\t\t\t\ti = 0;\n\n\t\t\tif ( jQuery.isArray( name ) ) {\n\t\t\t\tstyles = getStyles( elem );\n\t\t\t\tlen = name.length;\n\n\t\t\t\tfor ( ; i < len; i++ ) {\n\t\t\t\t\tmap[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );\n\t\t\t\t}\n\n\t\t\t\treturn map;\n\t\t\t}\n\n\t\t\treturn value !== undefined ?\n\t\t\t\tjQuery.style( elem, name, value ) :\n\t\t\t\tjQuery.css( elem, name );\n\t\t}, name, value, arguments.length > 1 );\n\t},\n\tshow: function() {\n\t\treturn showHide( this, true );\n\t},\n\thide: function() {\n\t\treturn showHide( this );\n\t},\n\ttoggle: function( state ) {\n\t\tif ( typeof state === \"boolean\" ) {\n\t\t\treturn state ? this.show() : this.hide();\n\t\t}\n\n\t\treturn this.each( function() {\n\t\t\tif ( isHidden( this ) ) {\n\t\t\t\tjQuery( this ).show();\n\t\t\t} else {\n\t\t\t\tjQuery( this ).hide();\n\t\t\t}\n\t\t} );\n\t}\n} );\n\n\nfunction Tween( elem, options, prop, end, easing ) {\n\treturn new Tween.prototype.init( elem, options, prop, end, easing );\n}\njQuery.Tween = Tween;\n\nTween.prototype = {\n\tconstructor: Tween,\n\tinit: function( elem, options, prop, end, easing, unit ) {\n\t\tthis.elem = elem;\n\t\tthis.prop = prop;\n\t\tthis.easing = easing || jQuery.easing._default;\n\t\tthis.options = options;\n\t\tthis.start = this.now = this.cur();\n\t\tthis.end = end;\n\t\tthis.unit = unit || ( jQuery.cssNumber[ prop ] ? \"\" : \"px\" );\n\t},\n\tcur: function() {\n\t\tvar hooks = Tween.propHooks[ this.prop ];\n\n\t\treturn hooks && hooks.get ?\n\t\t\thooks.get( this ) :\n\t\t\tTween.propHooks._default.get( this );\n\t},\n\trun: function( percent ) {\n\t\tvar eased,\n\t\t\thooks = Tween.propHooks[ this.prop ];\n\n\t\tif ( this.options.duration ) {\n\t\t\tthis.pos = eased = jQuery.easing[ this.easing ](\n\t\t\t\tpercent, this.options.duration * percent, 0, 1, this.options.duration\n\t\t\t);\n\t\t} else {\n\t\t\tthis.pos = eased = percent;\n\t\t}\n\t\tthis.now = ( this.end - this.start ) * eased + this.start;\n\n\t\tif ( this.options.step ) {\n\t\t\tthis.options.step.call( this.elem, this.now, this );\n\t\t}\n\n\t\tif ( hooks && hooks.set ) {\n\t\t\thooks.set( this );\n\t\t} else {\n\t\t\tTween.propHooks._default.set( this );\n\t\t}\n\t\treturn this;\n\t}\n};\n\nTween.prototype.init.prototype = Tween.prototype;\n\nTween.propHooks = {\n\t_default: {\n\t\tget: function( tween ) {\n\t\t\tvar result;\n\n\t\t\t// Use a property on the element directly when it is not a DOM element,\n\t\t\t// or when there is no matching style property that exists.\n\t\t\tif ( tween.elem.nodeType !== 1 ||\n\t\t\t\ttween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {\n\t\t\t\treturn tween.elem[ tween.prop ];\n\t\t\t}\n\n\t\t\t// Passing an empty string as a 3rd parameter to .css will automatically\n\t\t\t// attempt a parseFloat and fallback to a string if the parse fails.\n\t\t\t// Simple values such as \"10px\" are parsed to Float;\n\t\t\t// complex values such as \"rotate(1rad)\" are returned as-is.\n\t\t\tresult = jQuery.css( tween.elem, tween.prop, \"\" );\n\n\t\t\t// Empty strings, null, undefined and \"auto\" are converted to 0.\n\t\t\treturn !result || result === \"auto\" ? 0 : result;\n\t\t},\n\t\tset: function( tween ) {\n\n\t\t\t// Use step hook for back compat.\n\t\t\t// Use cssHook if its there.\n\t\t\t// Use .style if available and use plain properties where available.\n\t\t\tif ( jQuery.fx.step[ tween.prop ] ) {\n\t\t\t\tjQuery.fx.step[ tween.prop ]( tween );\n\t\t\t} else if ( tween.elem.nodeType === 1 &&\n\t\t\t\t( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null ||\n\t\t\t\t\tjQuery.cssHooks[ tween.prop ] ) ) {\n\t\t\t\tjQuery.style( tween.elem, tween.prop, tween.now + tween.unit );\n\t\t\t} else {\n\t\t\t\ttween.elem[ tween.prop ] = tween.now;\n\t\t\t}\n\t\t}\n\t}\n};\n\n// Support: IE9\n// Panic based approach to setting things on disconnected nodes\nTween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {\n\tset: function( tween ) {\n\t\tif ( tween.elem.nodeType && tween.elem.parentNode ) {\n\t\t\ttween.elem[ tween.prop ] = tween.now;\n\t\t}\n\t}\n};\n\njQuery.easing = {\n\tlinear: function( p ) {\n\t\treturn p;\n\t},\n\tswing: function( p ) {\n\t\treturn 0.5 - Math.cos( p * Math.PI ) / 2;\n\t},\n\t_default: \"swing\"\n};\n\njQuery.fx = Tween.prototype.init;\n\n// Back Compat <1.8 extension point\njQuery.fx.step = {};\n\n\n\n\nvar\n\tfxNow, timerId,\n\trfxtypes = /^(?:toggle|show|hide)$/,\n\trrun = /queueHooks$/;\n\n// Animations created synchronously will run synchronously\nfunction createFxNow() {\n\twindow.setTimeout( function() {\n\t\tfxNow = undefined;\n\t} );\n\treturn ( fxNow = jQuery.now() );\n}\n\n// Generate parameters to create a standard animation\nfunction genFx( type, includeWidth ) {\n\tvar which,\n\t\ti = 0,\n\t\tattrs = { height: type };\n\n\t// If we include width, step value is 1 to do all cssExpand values,\n\t// otherwise step value is 2 to skip over Left and Right\n\tincludeWidth = includeWidth ? 1 : 0;\n\tfor ( ; i < 4 ; i += 2 - includeWidth ) {\n\t\twhich = cssExpand[ i ];\n\t\tattrs[ \"margin\" + which ] = attrs[ \"padding\" + which ] = type;\n\t}\n\n\tif ( includeWidth ) {\n\t\tattrs.opacity = attrs.width = type;\n\t}\n\n\treturn attrs;\n}\n\nfunction createTween( value, prop, animation ) {\n\tvar tween,\n\t\tcollection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ \"*\" ] ),\n\t\tindex = 0,\n\t\tlength = collection.length;\n\tfor ( ; index < length; index++ ) {\n\t\tif ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {\n\n\t\t\t// We're done with this property\n\t\t\treturn tween;\n\t\t}\n\t}\n}\n\nfunction defaultPrefilter( elem, props, opts ) {\n\t/* jshint validthis: true */\n\tvar prop, value, toggle, tween, hooks, oldfire, display, checkDisplay,\n\t\tanim = this,\n\t\torig = {},\n\t\tstyle = elem.style,\n\t\thidden = elem.nodeType && isHidden( elem ),\n\t\tdataShow = dataPriv.get( elem, \"fxshow\" );\n\n\t// Handle queue: false promises\n\tif ( !opts.queue ) {\n\t\thooks = jQuery._queueHooks( elem, \"fx\" );\n\t\tif ( hooks.unqueued == null ) {\n\t\t\thooks.unqueued = 0;\n\t\t\toldfire = hooks.empty.fire;\n\t\t\thooks.empty.fire = function() {\n\t\t\t\tif ( !hooks.unqueued ) {\n\t\t\t\t\toldfire();\n\t\t\t\t}\n\t\t\t};\n\t\t}\n\t\thooks.unqueued++;\n\n\t\tanim.always( function() {\n\n\t\t\t// Ensure the complete handler is called before this completes\n\t\t\tanim.always( function() {\n\t\t\t\thooks.unqueued--;\n\t\t\t\tif ( !jQuery.queue( elem, \"fx\" ).length ) {\n\t\t\t\t\thooks.empty.fire();\n\t\t\t\t}\n\t\t\t} );\n\t\t} );\n\t}\n\n\t// Height/width overflow pass\n\tif ( elem.nodeType === 1 && ( \"height\" in props || \"width\" in props ) ) {\n\n\t\t// Make sure that nothing sneaks out\n\t\t// Record all 3 overflow attributes because IE9-10 do not\n\t\t// change the overflow attribute when overflowX and\n\t\t// overflowY are set to the same value\n\t\topts.overflow = [ style.overflow, style.overflowX, style.overflowY ];\n\n\t\t// Set display property to inline-block for height/width\n\t\t// animations on inline elements that are having width/height animated\n\t\tdisplay = jQuery.css( elem, \"display\" );\n\n\t\t// Test default display if display is currently \"none\"\n\t\tcheckDisplay = display === \"none\" ?\n\t\t\tdataPriv.get( elem, \"olddisplay\" ) || defaultDisplay( elem.nodeName ) : display;\n\n\t\tif ( checkDisplay === \"inline\" && jQuery.css( elem, \"float\" ) === \"none\" ) {\n\t\t\tstyle.display = \"inline-block\";\n\t\t}\n\t}\n\n\tif ( opts.overflow ) {\n\t\tstyle.overflow = \"hidden\";\n\t\tanim.always( function() {\n\t\t\tstyle.overflow = opts.overflow[ 0 ];\n\t\t\tstyle.overflowX = opts.overflow[ 1 ];\n\t\t\tstyle.overflowY = opts.overflow[ 2 ];\n\t\t} );\n\t}\n\n\t// show/hide pass\n\tfor ( prop in props ) {\n\t\tvalue = props[ prop ];\n\t\tif ( rfxtypes.exec( value ) ) {\n\t\t\tdelete props[ prop ];\n\t\t\ttoggle = toggle || value === \"toggle\";\n\t\t\tif ( value === ( hidden ? \"hide\" : \"show\" ) ) {\n\n\t\t\t\t// If there is dataShow left over from a stopped hide or show\n\t\t\t\t// and we are going to proceed with show, we should pretend to be hidden\n\t\t\t\tif ( value === \"show\" && dataShow && dataShow[ prop ] !== undefined ) {\n\t\t\t\t\thidden = true;\n\t\t\t\t} else {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t}\n\t\t\torig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );\n\n\t\t// Any non-fx value stops us from restoring the original display value\n\t\t} else {\n\t\t\tdisplay = undefined;\n\t\t}\n\t}\n\n\tif ( !jQuery.isEmptyObject( orig ) ) {\n\t\tif ( dataShow ) {\n\t\t\tif ( \"hidden\" in dataShow ) {\n\t\t\t\thidden = dataShow.hidden;\n\t\t\t}\n\t\t} else {\n\t\t\tdataShow = dataPriv.access( elem, \"fxshow\", {} );\n\t\t}\n\n\t\t// Store state if its toggle - enables .stop().toggle() to \"reverse\"\n\t\tif ( toggle ) {\n\t\t\tdataShow.hidden = !hidden;\n\t\t}\n\t\tif ( hidden ) {\n\t\t\tjQuery( elem ).show();\n\t\t} else {\n\t\t\tanim.done( function() {\n\t\t\t\tjQuery( elem ).hide();\n\t\t\t} );\n\t\t}\n\t\tanim.done( function() {\n\t\t\tvar prop;\n\n\t\t\tdataPriv.remove( elem, \"fxshow\" );\n\t\t\tfor ( prop in orig ) {\n\t\t\t\tjQuery.style( elem, prop, orig[ prop ] );\n\t\t\t}\n\t\t} );\n\t\tfor ( prop in orig ) {\n\t\t\ttween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );\n\n\t\t\tif ( !( prop in dataShow ) ) {\n\t\t\t\tdataShow[ prop ] = tween.start;\n\t\t\t\tif ( hidden ) {\n\t\t\t\t\ttween.end = tween.start;\n\t\t\t\t\ttween.start = prop === \"width\" || prop === \"height\" ? 1 : 0;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t// If this is a noop like .hide().hide(), restore an overwritten display value\n\t} else if ( ( display === \"none\" ? defaultDisplay( elem.nodeName ) : display ) === \"inline\" ) {\n\t\tstyle.display = display;\n\t}\n}\n\nfunction propFilter( props, specialEasing ) {\n\tvar index, name, easing, value, hooks;\n\n\t// camelCase, specialEasing and expand cssHook pass\n\tfor ( index in props ) {\n\t\tname = jQuery.camelCase( index );\n\t\teasing = specialEasing[ name ];\n\t\tvalue = props[ index ];\n\t\tif ( jQuery.isArray( value ) ) {\n\t\t\teasing = value[ 1 ];\n\t\t\tvalue = props[ index ] = value[ 0 ];\n\t\t}\n\n\t\tif ( index !== name ) {\n\t\t\tprops[ name ] = value;\n\t\t\tdelete props[ index ];\n\t\t}\n\n\t\thooks = jQuery.cssHooks[ name ];\n\t\tif ( hooks && \"expand\" in hooks ) {\n\t\t\tvalue = hooks.expand( value );\n\t\t\tdelete props[ name ];\n\n\t\t\t// Not quite $.extend, this won't overwrite existing keys.\n\t\t\t// Reusing 'index' because we have the correct \"name\"\n\t\t\tfor ( index in value ) {\n\t\t\t\tif ( !( index in props ) ) {\n\t\t\t\t\tprops[ index ] = value[ index ];\n\t\t\t\t\tspecialEasing[ index ] = easing;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tspecialEasing[ name ] = easing;\n\t\t}\n\t}\n}\n\nfunction Animation( elem, properties, options ) {\n\tvar result,\n\t\tstopped,\n\t\tindex = 0,\n\t\tlength = Animation.prefilters.length,\n\t\tdeferred = jQuery.Deferred().always( function() {\n\n\t\t\t// Don't match elem in the :animated selector\n\t\t\tdelete tick.elem;\n\t\t} ),\n\t\ttick = function() {\n\t\t\tif ( stopped ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t\tvar currentTime = fxNow || createFxNow(),\n\t\t\t\tremaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),\n\n\t\t\t\t// Support: Android 2.3\n\t\t\t\t// Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)\n\t\t\t\ttemp = remaining / animation.duration || 0,\n\t\t\t\tpercent = 1 - temp,\n\t\t\t\tindex = 0,\n\t\t\t\tlength = animation.tweens.length;\n\n\t\t\tfor ( ; index < length ; index++ ) {\n\t\t\t\tanimation.tweens[ index ].run( percent );\n\t\t\t}\n\n\t\t\tdeferred.notifyWith( elem, [ animation, percent, remaining ] );\n\n\t\t\tif ( percent < 1 && length ) {\n\t\t\t\treturn remaining;\n\t\t\t} else {\n\t\t\t\tdeferred.resolveWith( elem, [ animation ] );\n\t\t\t\treturn false;\n\t\t\t}\n\t\t},\n\t\tanimation = deferred.promise( {\n\t\t\telem: elem,\n\t\t\tprops: jQuery.extend( {}, properties ),\n\t\t\topts: jQuery.extend( true, {\n\t\t\t\tspecialEasing: {},\n\t\t\t\teasing: jQuery.easing._default\n\t\t\t}, options ),\n\t\t\toriginalProperties: properties,\n\t\t\toriginalOptions: options,\n\t\t\tstartTime: fxNow || createFxNow(),\n\t\t\tduration: options.duration,\n\t\t\ttweens: [],\n\t\t\tcreateTween: function( prop, end ) {\n\t\t\t\tvar tween = jQuery.Tween( elem, animation.opts, prop, end,\n\t\t\t\t\t\tanimation.opts.specialEasing[ prop ] || animation.opts.easing );\n\t\t\t\tanimation.tweens.push( tween );\n\t\t\t\treturn tween;\n\t\t\t},\n\t\t\tstop: function( gotoEnd ) {\n\t\t\t\tvar index = 0,\n\n\t\t\t\t\t// If we are going to the end, we want to run all the tweens\n\t\t\t\t\t// otherwise we skip this part\n\t\t\t\t\tlength = gotoEnd ? animation.tweens.length : 0;\n\t\t\t\tif ( stopped ) {\n\t\t\t\t\treturn this;\n\t\t\t\t}\n\t\t\t\tstopped = true;\n\t\t\t\tfor ( ; index < length ; index++ ) {\n\t\t\t\t\tanimation.tweens[ index ].run( 1 );\n\t\t\t\t}\n\n\t\t\t\t// Resolve when we played the last frame; otherwise, reject\n\t\t\t\tif ( gotoEnd ) {\n\t\t\t\t\tdeferred.notifyWith( elem, [ animation, 1, 0 ] );\n\t\t\t\t\tdeferred.resolveWith( elem, [ animation, gotoEnd ] );\n\t\t\t\t} else {\n\t\t\t\t\tdeferred.rejectWith( elem, [ animation, gotoEnd ] );\n\t\t\t\t}\n\t\t\t\treturn this;\n\t\t\t}\n\t\t} ),\n\t\tprops = animation.props;\n\n\tpropFilter( props, animation.opts.specialEasing );\n\n\tfor ( ; index < length ; index++ ) {\n\t\tresult = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );\n\t\tif ( result ) {\n\t\t\tif ( jQuery.isFunction( result.stop ) ) {\n\t\t\t\tjQuery._queueHooks( animation.elem, animation.opts.queue ).stop =\n\t\t\t\t\tjQuery.proxy( result.stop, result );\n\t\t\t}\n\t\t\treturn result;\n\t\t}\n\t}\n\n\tjQuery.map( props, createTween, animation );\n\n\tif ( jQuery.isFunction( animation.opts.start ) ) {\n\t\tanimation.opts.start.call( elem, animation );\n\t}\n\n\tjQuery.fx.timer(\n\t\tjQuery.extend( tick, {\n\t\t\telem: elem,\n\t\t\tanim: animation,\n\t\t\tqueue: animation.opts.queue\n\t\t} )\n\t);\n\n\t// attach callbacks from options\n\treturn animation.progress( animation.opts.progress )\n\t\t.done( animation.opts.done, animation.opts.complete )\n\t\t.fail( animation.opts.fail )\n\t\t.always( animation.opts.always );\n}\n\njQuery.Animation = jQuery.extend( Animation, {\n\ttweeners: {\n\t\t\"*\": [ function( prop, value ) {\n\t\t\tvar tween = this.createTween( prop, value );\n\t\t\tadjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );\n\t\t\treturn tween;\n\t\t} ]\n\t},\n\n\ttweener: function( props, callback ) {\n\t\tif ( jQuery.isFunction( props ) ) {\n\t\t\tcallback = props;\n\t\t\tprops = [ \"*\" ];\n\t\t} else {\n\t\t\tprops = props.match( rnotwhite );\n\t\t}\n\n\t\tvar prop,\n\t\t\tindex = 0,\n\t\t\tlength = props.length;\n\n\t\tfor ( ; index < length ; index++ ) {\n\t\t\tprop = props[ index ];\n\t\t\tAnimation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];\n\t\t\tAnimation.tweeners[ prop ].unshift( callback );\n\t\t}\n\t},\n\n\tprefilters: [ defaultPrefilter ],\n\n\tprefilter: function( callback, prepend ) {\n\t\tif ( prepend ) {\n\t\t\tAnimation.prefilters.unshift( callback );\n\t\t} else {\n\t\t\tAnimation.prefilters.push( callback );\n\t\t}\n\t}\n} );\n\njQuery.speed = function( speed, easing, fn ) {\n\tvar opt = speed && typeof speed === \"object\" ? jQuery.extend( {}, speed ) : {\n\t\tcomplete: fn || !fn && easing ||\n\t\t\tjQuery.isFunction( speed ) && speed,\n\t\tduration: speed,\n\t\teasing: fn && easing || easing && !jQuery.isFunction( easing ) && easing\n\t};\n\n\topt.duration = jQuery.fx.off ? 0 : typeof opt.duration === \"number\" ?\n\t\topt.duration : opt.duration in jQuery.fx.speeds ?\n\t\t\tjQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;\n\n\t// Normalize opt.queue - true/undefined/null -> \"fx\"\n\tif ( opt.queue == null || opt.queue === true ) {\n\t\topt.queue = \"fx\";\n\t}\n\n\t// Queueing\n\topt.old = opt.complete;\n\n\topt.complete = function() {\n\t\tif ( jQuery.isFunction( opt.old ) ) {\n\t\t\topt.old.call( this );\n\t\t}\n\n\t\tif ( opt.queue ) {\n\t\t\tjQuery.dequeue( this, opt.queue );\n\t\t}\n\t};\n\n\treturn opt;\n};\n\njQuery.fn.extend( {\n\tfadeTo: function( speed, to, easing, callback ) {\n\n\t\t// Show any hidden elements after setting opacity to 0\n\t\treturn this.filter( isHidden ).css( \"opacity\", 0 ).show()\n\n\t\t\t// Animate to the value specified\n\t\t\t.end().animate( { opacity: to }, speed, easing, callback );\n\t},\n\tanimate: function( prop, speed, easing, callback ) {\n\t\tvar empty = jQuery.isEmptyObject( prop ),\n\t\t\toptall = jQuery.speed( speed, easing, callback ),\n\t\t\tdoAnimation = function() {\n\n\t\t\t\t// Operate on a copy of prop so per-property easing won't be lost\n\t\t\t\tvar anim = Animation( this, jQuery.extend( {}, prop ), optall );\n\n\t\t\t\t// Empty animations, or finishing resolves immediately\n\t\t\t\tif ( empty || dataPriv.get( this, \"finish\" ) ) {\n\t\t\t\t\tanim.stop( true );\n\t\t\t\t}\n\t\t\t};\n\t\t\tdoAnimation.finish = doAnimation;\n\n\t\treturn empty || optall.queue === false ?\n\t\t\tthis.each( doAnimation ) :\n\t\t\tthis.queue( optall.queue, doAnimation );\n\t},\n\tstop: function( type, clearQueue, gotoEnd ) {\n\t\tvar stopQueue = function( hooks ) {\n\t\t\tvar stop = hooks.stop;\n\t\t\tdelete hooks.stop;\n\t\t\tstop( gotoEnd );\n\t\t};\n\n\t\tif ( typeof type !== \"string\" ) {\n\t\t\tgotoEnd = clearQueue;\n\t\t\tclearQueue = type;\n\t\t\ttype = undefined;\n\t\t}\n\t\tif ( clearQueue && type !== false ) {\n\t\t\tthis.queue( type || \"fx\", [] );\n\t\t}\n\n\t\treturn this.each( function() {\n\t\t\tvar dequeue = true,\n\t\t\t\tindex = type != null && type + \"queueHooks\",\n\t\t\t\ttimers = jQuery.timers,\n\t\t\t\tdata = dataPriv.get( this );\n\n\t\t\tif ( index ) {\n\t\t\t\tif ( data[ index ] && data[ index ].stop ) {\n\t\t\t\t\tstopQueue( data[ index ] );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tfor ( index in data ) {\n\t\t\t\t\tif ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {\n\t\t\t\t\t\tstopQueue( data[ index ] );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tfor ( index = timers.length; index--; ) {\n\t\t\t\tif ( timers[ index ].elem === this &&\n\t\t\t\t\t( type == null || timers[ index ].queue === type ) ) {\n\n\t\t\t\t\ttimers[ index ].anim.stop( gotoEnd );\n\t\t\t\t\tdequeue = false;\n\t\t\t\t\ttimers.splice( index, 1 );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Start the next in the queue if the last step wasn't forced.\n\t\t\t// Timers currently will call their complete callbacks, which\n\t\t\t// will dequeue but only if they were gotoEnd.\n\t\t\tif ( dequeue || !gotoEnd ) {\n\t\t\t\tjQuery.dequeue( this, type );\n\t\t\t}\n\t\t} );\n\t},\n\tfinish: function( type ) {\n\t\tif ( type !== false ) {\n\t\t\ttype = type || \"fx\";\n\t\t}\n\t\treturn this.each( function() {\n\t\t\tvar index,\n\t\t\t\tdata = dataPriv.get( this ),\n\t\t\t\tqueue = data[ type + \"queue\" ],\n\t\t\t\thooks = data[ type + \"queueHooks\" ],\n\t\t\t\ttimers = jQuery.timers,\n\t\t\t\tlength = queue ? queue.length : 0;\n\n\t\t\t// Enable finishing flag on private data\n\t\t\tdata.finish = true;\n\n\t\t\t// Empty the queue first\n\t\t\tjQuery.queue( this, type, [] );\n\n\t\t\tif ( hooks && hooks.stop ) {\n\t\t\t\thooks.stop.call( this, true );\n\t\t\t}\n\n\t\t\t// Look for any active animations, and finish them\n\t\t\tfor ( index = timers.length; index--; ) {\n\t\t\t\tif ( timers[ index ].elem === this && timers[ index ].queue === type ) {\n\t\t\t\t\ttimers[ index ].anim.stop( true );\n\t\t\t\t\ttimers.splice( index, 1 );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Look for any animations in the old queue and finish them\n\t\t\tfor ( index = 0; index < length; index++ ) {\n\t\t\t\tif ( queue[ index ] && queue[ index ].finish ) {\n\t\t\t\t\tqueue[ index ].finish.call( this );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Turn off finishing flag\n\t\t\tdelete data.finish;\n\t\t} );\n\t}\n} );\n\njQuery.each( [ \"toggle\", \"show\", \"hide\" ], function( i, name ) {\n\tvar cssFn = jQuery.fn[ name ];\n\tjQuery.fn[ name ] = function( speed, easing, callback ) {\n\t\treturn speed == null || typeof speed === \"boolean\" ?\n\t\t\tcssFn.apply( this, arguments ) :\n\t\t\tthis.animate( genFx( name, true ), speed, easing, callback );\n\t};\n} );\n\n// Generate shortcuts for custom animations\njQuery.each( {\n\tslideDown: genFx( \"show\" ),\n\tslideUp: genFx( \"hide\" ),\n\tslideToggle: genFx( \"toggle\" ),\n\tfadeIn: { opacity: \"show\" },\n\tfadeOut: { opacity: \"hide\" },\n\tfadeToggle: { opacity: \"toggle\" }\n}, function( name, props ) {\n\tjQuery.fn[ name ] = function( speed, easing, callback ) {\n\t\treturn this.animate( props, speed, easing, callback );\n\t};\n} );\n\njQuery.timers = [];\njQuery.fx.tick = function() {\n\tvar timer,\n\t\ti = 0,\n\t\ttimers = jQuery.timers;\n\n\tfxNow = jQuery.now();\n\n\tfor ( ; i < timers.length; i++ ) {\n\t\ttimer = timers[ i ];\n\n\t\t// Checks the timer has not already been removed\n\t\tif ( !timer() && timers[ i ] === timer ) {\n\t\t\ttimers.splice( i--, 1 );\n\t\t}\n\t}\n\n\tif ( !timers.length ) {\n\t\tjQuery.fx.stop();\n\t}\n\tfxNow = undefined;\n};\n\njQuery.fx.timer = function( timer ) {\n\tjQuery.timers.push( timer );\n\tif ( timer() ) {\n\t\tjQuery.fx.start();\n\t} else {\n\t\tjQuery.timers.pop();\n\t}\n};\n\njQuery.fx.interval = 13;\njQuery.fx.start = function() {\n\tif ( !timerId ) {\n\t\ttimerId = window.setInterval( jQuery.fx.tick, jQuery.fx.interval );\n\t}\n};\n\njQuery.fx.stop = function() {\n\twindow.clearInterval( timerId );\n\n\ttimerId = null;\n};\n\njQuery.fx.speeds = {\n\tslow: 600,\n\tfast: 200,\n\n\t// Default speed\n\t_default: 400\n};\n\n\n// Based off of the plugin by Clint Helfers, with permission.\n// http://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/\njQuery.fn.delay = function( time, type ) {\n\ttime = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;\n\ttype = type || \"fx\";\n\n\treturn this.queue( type, function( next, hooks ) {\n\t\tvar timeout = window.setTimeout( next, time );\n\t\thooks.stop = function() {\n\t\t\twindow.clearTimeout( timeout );\n\t\t};\n\t} );\n};\n\n\n( function() {\n\tvar input = document.createElement( \"input\" ),\n\t\tselect = document.createElement( \"select\" ),\n\t\topt = select.appendChild( document.createElement( \"option\" ) );\n\n\tinput.type = \"checkbox\";\n\n\t// Support: iOS<=5.1, Android<=4.2+\n\t// Default value for a checkbox should be \"on\"\n\tsupport.checkOn = input.value !== \"\";\n\n\t// Support: IE<=11+\n\t// Must access selectedIndex to make default options select\n\tsupport.optSelected = opt.selected;\n\n\t// Support: Android<=2.3\n\t// Options inside disabled selects are incorrectly marked as disabled\n\tselect.disabled = true;\n\tsupport.optDisabled = !opt.disabled;\n\n\t// Support: IE<=11+\n\t// An input loses its value after becoming a radio\n\tinput = document.createElement( \"input\" );\n\tinput.value = \"t\";\n\tinput.type = \"radio\";\n\tsupport.radioValue = input.value === \"t\";\n} )();\n\n\nvar boolHook,\n\tattrHandle = jQuery.expr.attrHandle;\n\njQuery.fn.extend( {\n\tattr: function( name, value ) {\n\t\treturn access( this, jQuery.attr, name, value, arguments.length > 1 );\n\t},\n\n\tremoveAttr: function( name ) {\n\t\treturn this.each( function() {\n\t\t\tjQuery.removeAttr( this, name );\n\t\t} );\n\t}\n} );\n\njQuery.extend( {\n\tattr: function( elem, name, value ) {\n\t\tvar ret, hooks,\n\t\t\tnType = elem.nodeType;\n\n\t\t// Don't get/set attributes on text, comment and attribute nodes\n\t\tif ( nType === 3 || nType === 8 || nType === 2 ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Fallback to prop when attributes are not supported\n\t\tif ( typeof elem.getAttribute === \"undefined\" ) {\n\t\t\treturn jQuery.prop( elem, name, value );\n\t\t}\n\n\t\t// All attributes are lowercase\n\t\t// Grab necessary hook if one is defined\n\t\tif ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {\n\t\t\tname = name.toLowerCase();\n\t\t\thooks = jQuery.attrHooks[ name ] ||\n\t\t\t\t( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );\n\t\t}\n\n\t\tif ( value !== undefined ) {\n\t\t\tif ( value === null ) {\n\t\t\t\tjQuery.removeAttr( elem, name );\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( hooks && \"set\" in hooks &&\n\t\t\t\t( ret = hooks.set( elem, value, name ) ) !== undefined ) {\n\t\t\t\treturn ret;\n\t\t\t}\n\n\t\t\telem.setAttribute( name, value + \"\" );\n\t\t\treturn value;\n\t\t}\n\n\t\tif ( hooks && \"get\" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {\n\t\t\treturn ret;\n\t\t}\n\n\t\tret = jQuery.find.attr( elem, name );\n\n\t\t// Non-existent attributes return null, we normalize to undefined\n\t\treturn ret == null ? undefined : ret;\n\t},\n\n\tattrHooks: {\n\t\ttype: {\n\t\t\tset: function( elem, value ) {\n\t\t\t\tif ( !support.radioValue && value === \"radio\" &&\n\t\t\t\t\tjQuery.nodeName( elem, \"input\" ) ) {\n\t\t\t\t\tvar val = elem.value;\n\t\t\t\t\telem.setAttribute( \"type\", value );\n\t\t\t\t\tif ( val ) {\n\t\t\t\t\t\telem.value = val;\n\t\t\t\t\t}\n\t\t\t\t\treturn value;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t},\n\n\tremoveAttr: function( elem, value ) {\n\t\tvar name, propName,\n\t\t\ti = 0,\n\t\t\tattrNames = value && value.match( rnotwhite );\n\n\t\tif ( attrNames && elem.nodeType === 1 ) {\n\t\t\twhile ( ( name = attrNames[ i++ ] ) ) {\n\t\t\t\tpropName = jQuery.propFix[ name ] || name;\n\n\t\t\t\t// Boolean attributes get special treatment (#10870)\n\t\t\t\tif ( jQuery.expr.match.bool.test( name ) ) {\n\n\t\t\t\t\t// Set corresponding property to false\n\t\t\t\t\telem[ propName ] = false;\n\t\t\t\t}\n\n\t\t\t\telem.removeAttribute( name );\n\t\t\t}\n\t\t}\n\t}\n} );\n\n// Hooks for boolean attributes\nboolHook = {\n\tset: function( elem, value, name ) {\n\t\tif ( value === false ) {\n\n\t\t\t// Remove boolean attributes when set to false\n\t\t\tjQuery.removeAttr( elem, name );\n\t\t} else {\n\t\t\telem.setAttribute( name, name );\n\t\t}\n\t\treturn name;\n\t}\n};\njQuery.each( jQuery.expr.match.bool.source.match( /\\w+/g ), function( i, name ) {\n\tvar getter = attrHandle[ name ] || jQuery.find.attr;\n\n\tattrHandle[ name ] = function( elem, name, isXML ) {\n\t\tvar ret, handle;\n\t\tif ( !isXML ) {\n\n\t\t\t// Avoid an infinite loop by temporarily removing this function from the getter\n\t\t\thandle = attrHandle[ name ];\n\t\t\tattrHandle[ name ] = ret;\n\t\t\tret = getter( elem, name, isXML ) != null ?\n\t\t\t\tname.toLowerCase() :\n\t\t\t\tnull;\n\t\t\tattrHandle[ name ] = handle;\n\t\t}\n\t\treturn ret;\n\t};\n} );\n\n\n\n\nvar rfocusable = /^(?:input|select|textarea|button)$/i,\n\trclickable = /^(?:a|area)$/i;\n\njQuery.fn.extend( {\n\tprop: function( name, value ) {\n\t\treturn access( this, jQuery.prop, name, value, arguments.length > 1 );\n\t},\n\n\tremoveProp: function( name ) {\n\t\treturn this.each( function() {\n\t\t\tdelete this[ jQuery.propFix[ name ] || name ];\n\t\t} );\n\t}\n} );\n\njQuery.extend( {\n\tprop: function( elem, name, value ) {\n\t\tvar ret, hooks,\n\t\t\tnType = elem.nodeType;\n\n\t\t// Don't get/set properties on text, comment and attribute nodes\n\t\tif ( nType === 3 || nType === 8 || nType === 2 ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {\n\n\t\t\t// Fix name and attach hooks\n\t\t\tname = jQuery.propFix[ name ] || name;\n\t\t\thooks = jQuery.propHooks[ name ];\n\t\t}\n\n\t\tif ( value !== undefined ) {\n\t\t\tif ( hooks && \"set\" in hooks &&\n\t\t\t\t( ret = hooks.set( elem, value, name ) ) !== undefined ) {\n\t\t\t\treturn ret;\n\t\t\t}\n\n\t\t\treturn ( elem[ name ] = value );\n\t\t}\n\n\t\tif ( hooks && \"get\" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {\n\t\t\treturn ret;\n\t\t}\n\n\t\treturn elem[ name ];\n\t},\n\n\tpropHooks: {\n\t\ttabIndex: {\n\t\t\tget: function( elem ) {\n\n\t\t\t\t// elem.tabIndex doesn't always return the\n\t\t\t\t// correct value when it hasn't been explicitly set\n\t\t\t\t// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/\n\t\t\t\t// Use proper attribute retrieval(#12072)\n\t\t\t\tvar tabindex = jQuery.find.attr( elem, \"tabindex\" );\n\n\t\t\t\treturn tabindex ?\n\t\t\t\t\tparseInt( tabindex, 10 ) :\n\t\t\t\t\trfocusable.test( elem.nodeName ) ||\n\t\t\t\t\t\trclickable.test( elem.nodeName ) && elem.href ?\n\t\t\t\t\t\t\t0 :\n\t\t\t\t\t\t\t-1;\n\t\t\t}\n\t\t}\n\t},\n\n\tpropFix: {\n\t\t\"for\": \"htmlFor\",\n\t\t\"class\": \"className\"\n\t}\n} );\n\nif ( !support.optSelected ) {\n\tjQuery.propHooks.selected = {\n\t\tget: function( elem ) {\n\t\t\tvar parent = elem.parentNode;\n\t\t\tif ( parent && parent.parentNode ) {\n\t\t\t\tparent.parentNode.selectedIndex;\n\t\t\t}\n\t\t\treturn null;\n\t\t}\n\t};\n}\n\njQuery.each( [\n\t\"tabIndex\",\n\t\"readOnly\",\n\t\"maxLength\",\n\t\"cellSpacing\",\n\t\"cellPadding\",\n\t\"rowSpan\",\n\t\"colSpan\",\n\t\"useMap\",\n\t\"frameBorder\",\n\t\"contentEditable\"\n], function() {\n\tjQuery.propFix[ this.toLowerCase() ] = this;\n} );\n\n\n\n\nvar rclass = /[\\t\\r\\n\\f]/g;\n\nfunction getClass( elem ) {\n\treturn elem.getAttribute && elem.getAttribute( \"class\" ) || \"\";\n}\n\njQuery.fn.extend( {\n\taddClass: function( value ) {\n\t\tvar classes, elem, cur, curValue, clazz, j, finalValue,\n\t\t\ti = 0;\n\n\t\tif ( jQuery.isFunction( value ) ) {\n\t\t\treturn this.each( function( j ) {\n\t\t\t\tjQuery( this ).addClass( value.call( this, j, getClass( this ) ) );\n\t\t\t} );\n\t\t}\n\n\t\tif ( typeof value === \"string\" && value ) {\n\t\t\tclasses = value.match( rnotwhite ) || [];\n\n\t\t\twhile ( ( elem = this[ i++ ] ) ) {\n\t\t\t\tcurValue = getClass( elem );\n\t\t\t\tcur = elem.nodeType === 1 &&\n\t\t\t\t\t( \" \" + curValue + \" \" ).replace( rclass, \" \" );\n\n\t\t\t\tif ( cur ) {\n\t\t\t\t\tj = 0;\n\t\t\t\t\twhile ( ( clazz = classes[ j++ ] ) ) {\n\t\t\t\t\t\tif ( cur.indexOf( \" \" + clazz + \" \" ) < 0 ) {\n\t\t\t\t\t\t\tcur += clazz + \" \";\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\t// Only assign if different to avoid unneeded rendering.\n\t\t\t\t\tfinalValue = jQuery.trim( cur );\n\t\t\t\t\tif ( curValue !== finalValue ) {\n\t\t\t\t\t\telem.setAttribute( \"class\", finalValue );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn this;\n\t},\n\n\tremoveClass: function( value ) {\n\t\tvar classes, elem, cur, curValue, clazz, j, finalValue,\n\t\t\ti = 0;\n\n\t\tif ( jQuery.isFunction( value ) ) {\n\t\t\treturn this.each( function( j ) {\n\t\t\t\tjQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );\n\t\t\t} );\n\t\t}\n\n\t\tif ( !arguments.length ) {\n\t\t\treturn this.attr( \"class\", \"\" );\n\t\t}\n\n\t\tif ( typeof value === \"string\" && value ) {\n\t\t\tclasses = value.match( rnotwhite ) || [];\n\n\t\t\twhile ( ( elem = this[ i++ ] ) ) {\n\t\t\t\tcurValue = getClass( elem );\n\n\t\t\t\t// This expression is here for better compressibility (see addClass)\n\t\t\t\tcur = elem.nodeType === 1 &&\n\t\t\t\t\t( \" \" + curValue + \" \" ).replace( rclass, \" \" );\n\n\t\t\t\tif ( cur ) {\n\t\t\t\t\tj = 0;\n\t\t\t\t\twhile ( ( clazz = classes[ j++ ] ) ) {\n\n\t\t\t\t\t\t// Remove *all* instances\n\t\t\t\t\t\twhile ( cur.indexOf( \" \" + clazz + \" \" ) > -1 ) {\n\t\t\t\t\t\t\tcur = cur.replace( \" \" + clazz + \" \", \" \" );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\t// Only assign if different to avoid unneeded rendering.\n\t\t\t\t\tfinalValue = jQuery.trim( cur );\n\t\t\t\t\tif ( curValue !== finalValue ) {\n\t\t\t\t\t\telem.setAttribute( \"class\", finalValue );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn this;\n\t},\n\n\ttoggleClass: function( value, stateVal ) {\n\t\tvar type = typeof value;\n\n\t\tif ( typeof stateVal === \"boolean\" && type === \"string\" ) {\n\t\t\treturn stateVal ? this.addClass( value ) : this.removeClass( value );\n\t\t}\n\n\t\tif ( jQuery.isFunction( value ) ) {\n\t\t\treturn this.each( function( i ) {\n\t\t\t\tjQuery( this ).toggleClass(\n\t\t\t\t\tvalue.call( this, i, getClass( this ), stateVal ),\n\t\t\t\t\tstateVal\n\t\t\t\t);\n\t\t\t} );\n\t\t}\n\n\t\treturn this.each( function() {\n\t\t\tvar className, i, self, classNames;\n\n\t\t\tif ( type === \"string\" ) {\n\n\t\t\t\t// Toggle individual class names\n\t\t\t\ti = 0;\n\t\t\t\tself = jQuery( this );\n\t\t\t\tclassNames = value.match( rnotwhite ) || [];\n\n\t\t\t\twhile ( ( className = classNames[ i++ ] ) ) {\n\n\t\t\t\t\t// Check each className given, space separated list\n\t\t\t\t\tif ( self.hasClass( className ) ) {\n\t\t\t\t\t\tself.removeClass( className );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tself.addClass( className );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t// Toggle whole class name\n\t\t\t} else if ( value === undefined || type === \"boolean\" ) {\n\t\t\t\tclassName = getClass( this );\n\t\t\t\tif ( className ) {\n\n\t\t\t\t\t// Store className if set\n\t\t\t\t\tdataPriv.set( this, \"__className__\", className );\n\t\t\t\t}\n\n\t\t\t\t// If the element has a class name or if we're passed `false`,\n\t\t\t\t// then remove the whole classname (if there was one, the above saved it).\n\t\t\t\t// Otherwise bring back whatever was previously saved (if anything),\n\t\t\t\t// falling back to the empty string if nothing was stored.\n\t\t\t\tif ( this.setAttribute ) {\n\t\t\t\t\tthis.setAttribute( \"class\",\n\t\t\t\t\t\tclassName || value === false ?\n\t\t\t\t\t\t\"\" :\n\t\t\t\t\t\tdataPriv.get( this, \"__className__\" ) || \"\"\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t},\n\n\thasClass: function( selector ) {\n\t\tvar className, elem,\n\t\t\ti = 0;\n\n\t\tclassName = \" \" + selector + \" \";\n\t\twhile ( ( elem = this[ i++ ] ) ) {\n\t\t\tif ( elem.nodeType === 1 &&\n\t\t\t\t( \" \" + getClass( elem ) + \" \" ).replace( rclass, \" \" )\n\t\t\t\t\t.indexOf( className ) > -1\n\t\t\t) {\n\t\t\t\treturn true;\n\t\t\t}\n\t\t}\n\n\t\treturn false;\n\t}\n} );\n\n\n\n\nvar rreturn = /\\r/g;\n\njQuery.fn.extend( {\n\tval: function( value ) {\n\t\tvar hooks, ret, isFunction,\n\t\t\telem = this[ 0 ];\n\n\t\tif ( !arguments.length ) {\n\t\t\tif ( elem ) {\n\t\t\t\thooks = jQuery.valHooks[ elem.type ] ||\n\t\t\t\t\tjQuery.valHooks[ elem.nodeName.toLowerCase() ];\n\n\t\t\t\tif ( hooks &&\n\t\t\t\t\t\"get\" in hooks &&\n\t\t\t\t\t( ret = hooks.get( elem, \"value\" ) ) !== undefined\n\t\t\t\t) {\n\t\t\t\t\treturn ret;\n\t\t\t\t}\n\n\t\t\t\tret = elem.value;\n\n\t\t\t\treturn typeof ret === \"string\" ?\n\n\t\t\t\t\t// Handle most common string cases\n\t\t\t\t\tret.replace( rreturn, \"\" ) :\n\n\t\t\t\t\t// Handle cases where value is null/undef or number\n\t\t\t\t\tret == null ? \"\" : ret;\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\tisFunction = jQuery.isFunction( value );\n\n\t\treturn this.each( function( i ) {\n\t\t\tvar val;\n\n\t\t\tif ( this.nodeType !== 1 ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( isFunction ) {\n\t\t\t\tval = value.call( this, i, jQuery( this ).val() );\n\t\t\t} else {\n\t\t\t\tval = value;\n\t\t\t}\n\n\t\t\t// Treat null/undefined as \"\"; convert numbers to string\n\t\t\tif ( val == null ) {\n\t\t\t\tval = \"\";\n\n\t\t\t} else if ( typeof val === \"number\" ) {\n\t\t\t\tval += \"\";\n\n\t\t\t} else if ( jQuery.isArray( val ) ) {\n\t\t\t\tval = jQuery.map( val, function( value ) {\n\t\t\t\t\treturn value == null ? \"\" : value + \"\";\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\thooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];\n\n\t\t\t// If set returns undefined, fall back to normal setting\n\t\t\tif ( !hooks || !( \"set\" in hooks ) || hooks.set( this, val, \"value\" ) === undefined ) {\n\t\t\t\tthis.value = val;\n\t\t\t}\n\t\t} );\n\t}\n} );\n\njQuery.extend( {\n\tvalHooks: {\n\t\toption: {\n\t\t\tget: function( elem ) {\n\n\t\t\t\t// Support: IE<11\n\t\t\t\t// option.value not trimmed (#14858)\n\t\t\t\treturn jQuery.trim( elem.value );\n\t\t\t}\n\t\t},\n\t\tselect: {\n\t\t\tget: function( elem ) {\n\t\t\t\tvar value, option,\n\t\t\t\t\toptions = elem.options,\n\t\t\t\t\tindex = elem.selectedIndex,\n\t\t\t\t\tone = elem.type === \"select-one\" || index < 0,\n\t\t\t\t\tvalues = one ? null : [],\n\t\t\t\t\tmax = one ? index + 1 : options.length,\n\t\t\t\t\ti = index < 0 ?\n\t\t\t\t\t\tmax :\n\t\t\t\t\t\tone ? index : 0;\n\n\t\t\t\t// Loop through all the selected options\n\t\t\t\tfor ( ; i < max; i++ ) {\n\t\t\t\t\toption = options[ i ];\n\n\t\t\t\t\t// IE8-9 doesn't update selected after form reset (#2551)\n\t\t\t\t\tif ( ( option.selected || i === index ) &&\n\n\t\t\t\t\t\t\t// Don't return options that are disabled or in a disabled optgroup\n\t\t\t\t\t\t\t( support.optDisabled ?\n\t\t\t\t\t\t\t\t!option.disabled : option.getAttribute( \"disabled\" ) === null ) &&\n\t\t\t\t\t\t\t( !option.parentNode.disabled ||\n\t\t\t\t\t\t\t\t!jQuery.nodeName( option.parentNode, \"optgroup\" ) ) ) {\n\n\t\t\t\t\t\t// Get the specific value for the option\n\t\t\t\t\t\tvalue = jQuery( option ).val();\n\n\t\t\t\t\t\t// We don't need an array for one selects\n\t\t\t\t\t\tif ( one ) {\n\t\t\t\t\t\t\treturn value;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Multi-Selects return an array\n\t\t\t\t\t\tvalues.push( value );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn values;\n\t\t\t},\n\n\t\t\tset: function( elem, value ) {\n\t\t\t\tvar optionSet, option,\n\t\t\t\t\toptions = elem.options,\n\t\t\t\t\tvalues = jQuery.makeArray( value ),\n\t\t\t\t\ti = options.length;\n\n\t\t\t\twhile ( i-- ) {\n\t\t\t\t\toption = options[ i ];\n\t\t\t\t\tif ( option.selected =\n\t\t\t\t\t\t\tjQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1\n\t\t\t\t\t) {\n\t\t\t\t\t\toptionSet = true;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Force browsers to behave consistently when non-matching value is set\n\t\t\t\tif ( !optionSet ) {\n\t\t\t\t\telem.selectedIndex = -1;\n\t\t\t\t}\n\t\t\t\treturn values;\n\t\t\t}\n\t\t}\n\t}\n} );\n\n// Radios and checkboxes getter/setter\njQuery.each( [ \"radio\", \"checkbox\" ], function() {\n\tjQuery.valHooks[ this ] = {\n\t\tset: function( elem, value ) {\n\t\t\tif ( jQuery.isArray( value ) ) {\n\t\t\t\treturn ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );\n\t\t\t}\n\t\t}\n\t};\n\tif ( !support.checkOn ) {\n\t\tjQuery.valHooks[ this ].get = function( elem ) {\n\t\t\treturn elem.getAttribute( \"value\" ) === null ? \"on\" : elem.value;\n\t\t};\n\t}\n} );\n\n\n\n\n// Return jQuery for attributes-only inclusion\n\n\nvar rfocusMorph = /^(?:focusinfocus|focusoutblur)$/;\n\njQuery.extend( jQuery.event, {\n\n\ttrigger: function( event, data, elem, onlyHandlers ) {\n\n\t\tvar i, cur, tmp, bubbleType, ontype, handle, special,\n\t\t\teventPath = [ elem || document ],\n\t\t\ttype = hasOwn.call( event, \"type\" ) ? event.type : event,\n\t\t\tnamespaces = hasOwn.call( event, \"namespace\" ) ? event.namespace.split( \".\" ) : [];\n\n\t\tcur = tmp = elem = elem || document;\n\n\t\t// Don't do events on text and comment nodes\n\t\tif ( elem.nodeType === 3 || elem.nodeType === 8 ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// focus/blur morphs to focusin/out; ensure we're not firing them right now\n\t\tif ( rfocusMorph.test( type + jQuery.event.triggered ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( type.indexOf( \".\" ) > -1 ) {\n\n\t\t\t// Namespaced trigger; create a regexp to match event type in handle()\n\t\t\tnamespaces = type.split( \".\" );\n\t\t\ttype = namespaces.shift();\n\t\t\tnamespaces.sort();\n\t\t}\n\t\tontype = type.indexOf( \":\" ) < 0 && \"on\" + type;\n\n\t\t// Caller can pass in a jQuery.Event object, Object, or just an event type string\n\t\tevent = event[ jQuery.expando ] ?\n\t\t\tevent :\n\t\t\tnew jQuery.Event( type, typeof event === \"object\" && event );\n\n\t\t// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)\n\t\tevent.isTrigger = onlyHandlers ? 2 : 3;\n\t\tevent.namespace = namespaces.join( \".\" );\n\t\tevent.rnamespace = event.namespace ?\n\t\t\tnew RegExp( \"(^|\\\\.)\" + namespaces.join( \"\\\\.(?:.*\\\\.|)\" ) + \"(\\\\.|$)\" ) :\n\t\t\tnull;\n\n\t\t// Clean up the event in case it is being reused\n\t\tevent.result = undefined;\n\t\tif ( !event.target ) {\n\t\t\tevent.target = elem;\n\t\t}\n\n\t\t// Clone any incoming data and prepend the event, creating the handler arg list\n\t\tdata = data == null ?\n\t\t\t[ event ] :\n\t\t\tjQuery.makeArray( data, [ event ] );\n\n\t\t// Allow special events to draw outside the lines\n\t\tspecial = jQuery.event.special[ type ] || {};\n\t\tif ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Determine event propagation path in advance, per W3C events spec (#9951)\n\t\t// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)\n\t\tif ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {\n\n\t\t\tbubbleType = special.delegateType || type;\n\t\t\tif ( !rfocusMorph.test( bubbleType + type ) ) {\n\t\t\t\tcur = cur.parentNode;\n\t\t\t}\n\t\t\tfor ( ; cur; cur = cur.parentNode ) {\n\t\t\t\teventPath.push( cur );\n\t\t\t\ttmp = cur;\n\t\t\t}\n\n\t\t\t// Only add window if we got to document (e.g., not plain obj or detached DOM)\n\t\t\tif ( tmp === ( elem.ownerDocument || document ) ) {\n\t\t\t\teventPath.push( tmp.defaultView || tmp.parentWindow || window );\n\t\t\t}\n\t\t}\n\n\t\t// Fire handlers on the event path\n\t\ti = 0;\n\t\twhile ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {\n\n\t\t\tevent.type = i > 1 ?\n\t\t\t\tbubbleType :\n\t\t\t\tspecial.bindType || type;\n\n\t\t\t// jQuery handler\n\t\t\thandle = ( dataPriv.get( cur, \"events\" ) || {} )[ event.type ] &&\n\t\t\t\tdataPriv.get( cur, \"handle\" );\n\t\t\tif ( handle ) {\n\t\t\t\thandle.apply( cur, data );\n\t\t\t}\n\n\t\t\t// Native handler\n\t\t\thandle = ontype && cur[ ontype ];\n\t\t\tif ( handle && handle.apply && acceptData( cur ) ) {\n\t\t\t\tevent.result = handle.apply( cur, data );\n\t\t\t\tif ( event.result === false ) {\n\t\t\t\t\tevent.preventDefault();\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tevent.type = type;\n\n\t\t// If nobody prevented the default action, do it now\n\t\tif ( !onlyHandlers && !event.isDefaultPrevented() ) {\n\n\t\t\tif ( ( !special._default ||\n\t\t\t\tspecial._default.apply( eventPath.pop(), data ) === false ) &&\n\t\t\t\tacceptData( elem ) ) {\n\n\t\t\t\t// Call a native DOM method on the target with the same name name as the event.\n\t\t\t\t// Don't do default actions on window, that's where global variables be (#6170)\n\t\t\t\tif ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) {\n\n\t\t\t\t\t// Don't re-trigger an onFOO event when we call its FOO() method\n\t\t\t\t\ttmp = elem[ ontype ];\n\n\t\t\t\t\tif ( tmp ) {\n\t\t\t\t\t\telem[ ontype ] = null;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Prevent re-triggering of the same event, since we already bubbled it above\n\t\t\t\t\tjQuery.event.triggered = type;\n\t\t\t\t\telem[ type ]();\n\t\t\t\t\tjQuery.event.triggered = undefined;\n\n\t\t\t\t\tif ( tmp ) {\n\t\t\t\t\t\telem[ ontype ] = tmp;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn event.result;\n\t},\n\n\t// Piggyback on a donor event to simulate a different one\n\tsimulate: function( type, elem, event ) {\n\t\tvar e = jQuery.extend(\n\t\t\tnew jQuery.Event(),\n\t\t\tevent,\n\t\t\t{\n\t\t\t\ttype: type,\n\t\t\t\tisSimulated: true\n\n\t\t\t\t// Previously, `originalEvent: {}` was set here, so stopPropagation call\n\t\t\t\t// would not be triggered on donor event, since in our own\n\t\t\t\t// jQuery.event.stopPropagation function we had a check for existence of\n\t\t\t\t// originalEvent.stopPropagation method, so, consequently it would be a noop.\n\t\t\t\t//\n\t\t\t\t// But now, this \"simulate\" function is used only for events\n\t\t\t\t// for which stopPropagation() is noop, so there is no need for that anymore.\n\t\t\t\t//\n\t\t\t\t// For the compat branch though, guard for \"click\" and \"submit\"\n\t\t\t\t// events is still used, but was moved to jQuery.event.stopPropagation function\n\t\t\t\t// because `originalEvent` should point to the original event for the constancy\n\t\t\t\t// with other events and for more focused logic\n\t\t\t}\n\t\t);\n\n\t\tjQuery.event.trigger( e, null, elem );\n\n\t\tif ( e.isDefaultPrevented() ) {\n\t\t\tevent.preventDefault();\n\t\t}\n\t}\n\n} );\n\njQuery.fn.extend( {\n\n\ttrigger: function( type, data ) {\n\t\treturn this.each( function() {\n\t\t\tjQuery.event.trigger( type, data, this );\n\t\t} );\n\t},\n\ttriggerHandler: function( type, data ) {\n\t\tvar elem = this[ 0 ];\n\t\tif ( elem ) {\n\t\t\treturn jQuery.event.trigger( type, data, elem, true );\n\t\t}\n\t}\n} );\n\n\njQuery.each( ( \"blur focus focusin focusout load resize scroll unload click dblclick \" +\n\t\"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave \" +\n\t\"change select submit keydown keypress keyup error contextmenu\" ).split( \" \" ),\n\tfunction( i, name ) {\n\n\t// Handle event binding\n\tjQuery.fn[ name ] = function( data, fn ) {\n\t\treturn arguments.length > 0 ?\n\t\t\tthis.on( name, null, data, fn ) :\n\t\t\tthis.trigger( name );\n\t};\n} );\n\njQuery.fn.extend( {\n\thover: function( fnOver, fnOut ) {\n\t\treturn this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );\n\t}\n} );\n\n\n\n\nsupport.focusin = \"onfocusin\" in window;\n\n\n// Support: Firefox\n// Firefox doesn't have focus(in | out) events\n// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787\n//\n// Support: Chrome, Safari\n// focus(in | out) events fire after focus & blur events,\n// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order\n// Related ticket - https://code.google.com/p/chromium/issues/detail?id=449857\nif ( !support.focusin ) {\n\tjQuery.each( { focus: \"focusin\", blur: \"focusout\" }, function( orig, fix ) {\n\n\t\t// Attach a single capturing handler on the document while someone wants focusin/focusout\n\t\tvar handler = function( event ) {\n\t\t\tjQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );\n\t\t};\n\n\t\tjQuery.event.special[ fix ] = {\n\t\t\tsetup: function() {\n\t\t\t\tvar doc = this.ownerDocument || this,\n\t\t\t\t\tattaches = dataPriv.access( doc, fix );\n\n\t\t\t\tif ( !attaches ) {\n\t\t\t\t\tdoc.addEventListener( orig, handler, true );\n\t\t\t\t}\n\t\t\t\tdataPriv.access( doc, fix, ( attaches || 0 ) + 1 );\n\t\t\t},\n\t\t\tteardown: function() {\n\t\t\t\tvar doc = this.ownerDocument || this,\n\t\t\t\t\tattaches = dataPriv.access( doc, fix ) - 1;\n\n\t\t\t\tif ( !attaches ) {\n\t\t\t\t\tdoc.removeEventListener( orig, handler, true );\n\t\t\t\t\tdataPriv.remove( doc, fix );\n\n\t\t\t\t} else {\n\t\t\t\t\tdataPriv.access( doc, fix, attaches );\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t} );\n}\nvar location = window.location;\n\nvar nonce = jQuery.now();\n\nvar rquery = ( /\\?/ );\n\n\n\n// Support: Android 2.3\n// Workaround failure to string-cast null input\njQuery.parseJSON = function( data ) {\n\treturn JSON.parse( data + \"\" );\n};\n\n\n// Cross-browser xml parsing\njQuery.parseXML = function( data ) {\n\tvar xml;\n\tif ( !data || typeof data !== \"string\" ) {\n\t\treturn null;\n\t}\n\n\t// Support: IE9\n\ttry {\n\t\txml = ( new window.DOMParser() ).parseFromString( data, \"text/xml\" );\n\t} catch ( e ) {\n\t\txml = undefined;\n\t}\n\n\tif ( !xml || xml.getElementsByTagName( \"parsererror\" ).length ) {\n\t\tjQuery.error( \"Invalid XML: \" + data );\n\t}\n\treturn xml;\n};\n\n\nvar\n\trhash = /#.*$/,\n\trts = /([?&])_=[^&]*/,\n\trheaders = /^(.*?):[ \\t]*([^\\r\\n]*)$/mg,\n\n\t// #7653, #8125, #8152: local protocol detection\n\trlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,\n\trnoContent = /^(?:GET|HEAD)$/,\n\trprotocol = /^\\/\\//,\n\n\t/* Prefilters\n\t * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)\n\t * 2) These are called:\n\t *    - BEFORE asking for a transport\n\t *    - AFTER param serialization (s.data is a string if s.processData is true)\n\t * 3) key is the dataType\n\t * 4) the catchall symbol \"*\" can be used\n\t * 5) execution will start with transport dataType and THEN continue down to \"*\" if needed\n\t */\n\tprefilters = {},\n\n\t/* Transports bindings\n\t * 1) key is the dataType\n\t * 2) the catchall symbol \"*\" can be used\n\t * 3) selection will start with transport dataType and THEN go to \"*\" if needed\n\t */\n\ttransports = {},\n\n\t// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression\n\tallTypes = \"*/\".concat( \"*\" ),\n\n\t// Anchor tag for parsing the document origin\n\toriginAnchor = document.createElement( \"a\" );\n\toriginAnchor.href = location.href;\n\n// Base \"constructor\" for jQuery.ajaxPrefilter and jQuery.ajaxTransport\nfunction addToPrefiltersOrTransports( structure ) {\n\n\t// dataTypeExpression is optional and defaults to \"*\"\n\treturn function( dataTypeExpression, func ) {\n\n\t\tif ( typeof dataTypeExpression !== \"string\" ) {\n\t\t\tfunc = dataTypeExpression;\n\t\t\tdataTypeExpression = \"*\";\n\t\t}\n\n\t\tvar dataType,\n\t\t\ti = 0,\n\t\t\tdataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];\n\n\t\tif ( jQuery.isFunction( func ) ) {\n\n\t\t\t// For each dataType in the dataTypeExpression\n\t\t\twhile ( ( dataType = dataTypes[ i++ ] ) ) {\n\n\t\t\t\t// Prepend if requested\n\t\t\t\tif ( dataType[ 0 ] === \"+\" ) {\n\t\t\t\t\tdataType = dataType.slice( 1 ) || \"*\";\n\t\t\t\t\t( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );\n\n\t\t\t\t// Otherwise append\n\t\t\t\t} else {\n\t\t\t\t\t( structure[ dataType ] = structure[ dataType ] || [] ).push( func );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Base inspection function for prefilters and transports\nfunction inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {\n\n\tvar inspected = {},\n\t\tseekingTransport = ( structure === transports );\n\n\tfunction inspect( dataType ) {\n\t\tvar selected;\n\t\tinspected[ dataType ] = true;\n\t\tjQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {\n\t\t\tvar dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );\n\t\t\tif ( typeof dataTypeOrTransport === \"string\" &&\n\t\t\t\t!seekingTransport && !inspected[ dataTypeOrTransport ] ) {\n\n\t\t\t\toptions.dataTypes.unshift( dataTypeOrTransport );\n\t\t\t\tinspect( dataTypeOrTransport );\n\t\t\t\treturn false;\n\t\t\t} else if ( seekingTransport ) {\n\t\t\t\treturn !( selected = dataTypeOrTransport );\n\t\t\t}\n\t\t} );\n\t\treturn selected;\n\t}\n\n\treturn inspect( options.dataTypes[ 0 ] ) || !inspected[ \"*\" ] && inspect( \"*\" );\n}\n\n// A special extend for ajax options\n// that takes \"flat\" options (not to be deep extended)\n// Fixes #9887\nfunction ajaxExtend( target, src ) {\n\tvar key, deep,\n\t\tflatOptions = jQuery.ajaxSettings.flatOptions || {};\n\n\tfor ( key in src ) {\n\t\tif ( src[ key ] !== undefined ) {\n\t\t\t( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];\n\t\t}\n\t}\n\tif ( deep ) {\n\t\tjQuery.extend( true, target, deep );\n\t}\n\n\treturn target;\n}\n\n/* Handles responses to an ajax request:\n * - finds the right dataType (mediates between content-type and expected dataType)\n * - returns the corresponding response\n */\nfunction ajaxHandleResponses( s, jqXHR, responses ) {\n\n\tvar ct, type, finalDataType, firstDataType,\n\t\tcontents = s.contents,\n\t\tdataTypes = s.dataTypes;\n\n\t// Remove auto dataType and get content-type in the process\n\twhile ( dataTypes[ 0 ] === \"*\" ) {\n\t\tdataTypes.shift();\n\t\tif ( ct === undefined ) {\n\t\t\tct = s.mimeType || jqXHR.getResponseHeader( \"Content-Type\" );\n\t\t}\n\t}\n\n\t// Check if we're dealing with a known content-type\n\tif ( ct ) {\n\t\tfor ( type in contents ) {\n\t\t\tif ( contents[ type ] && contents[ type ].test( ct ) ) {\n\t\t\t\tdataTypes.unshift( type );\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\n\t// Check to see if we have a response for the expected dataType\n\tif ( dataTypes[ 0 ] in responses ) {\n\t\tfinalDataType = dataTypes[ 0 ];\n\t} else {\n\n\t\t// Try convertible dataTypes\n\t\tfor ( type in responses ) {\n\t\t\tif ( !dataTypes[ 0 ] || s.converters[ type + \" \" + dataTypes[ 0 ] ] ) {\n\t\t\t\tfinalDataType = type;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif ( !firstDataType ) {\n\t\t\t\tfirstDataType = type;\n\t\t\t}\n\t\t}\n\n\t\t// Or just use first one\n\t\tfinalDataType = finalDataType || firstDataType;\n\t}\n\n\t// If we found a dataType\n\t// We add the dataType to the list if needed\n\t// and return the corresponding response\n\tif ( finalDataType ) {\n\t\tif ( finalDataType !== dataTypes[ 0 ] ) {\n\t\t\tdataTypes.unshift( finalDataType );\n\t\t}\n\t\treturn responses[ finalDataType ];\n\t}\n}\n\n/* Chain conversions given the request and the original response\n * Also sets the responseXXX fields on the jqXHR instance\n */\nfunction ajaxConvert( s, response, jqXHR, isSuccess ) {\n\tvar conv2, current, conv, tmp, prev,\n\t\tconverters = {},\n\n\t\t// Work with a copy of dataTypes in case we need to modify it for conversion\n\t\tdataTypes = s.dataTypes.slice();\n\n\t// Create converters map with lowercased keys\n\tif ( dataTypes[ 1 ] ) {\n\t\tfor ( conv in s.converters ) {\n\t\t\tconverters[ conv.toLowerCase() ] = s.converters[ conv ];\n\t\t}\n\t}\n\n\tcurrent = dataTypes.shift();\n\n\t// Convert to each sequential dataType\n\twhile ( current ) {\n\n\t\tif ( s.responseFields[ current ] ) {\n\t\t\tjqXHR[ s.responseFields[ current ] ] = response;\n\t\t}\n\n\t\t// Apply the dataFilter if provided\n\t\tif ( !prev && isSuccess && s.dataFilter ) {\n\t\t\tresponse = s.dataFilter( response, s.dataType );\n\t\t}\n\n\t\tprev = current;\n\t\tcurrent = dataTypes.shift();\n\n\t\tif ( current ) {\n\n\t\t// There's only work to do if current dataType is non-auto\n\t\t\tif ( current === \"*\" ) {\n\n\t\t\t\tcurrent = prev;\n\n\t\t\t// Convert response if prev dataType is non-auto and differs from current\n\t\t\t} else if ( prev !== \"*\" && prev !== current ) {\n\n\t\t\t\t// Seek a direct converter\n\t\t\t\tconv = converters[ prev + \" \" + current ] || converters[ \"* \" + current ];\n\n\t\t\t\t// If none found, seek a pair\n\t\t\t\tif ( !conv ) {\n\t\t\t\t\tfor ( conv2 in converters ) {\n\n\t\t\t\t\t\t// If conv2 outputs current\n\t\t\t\t\t\ttmp = conv2.split( \" \" );\n\t\t\t\t\t\tif ( tmp[ 1 ] === current ) {\n\n\t\t\t\t\t\t\t// If prev can be converted to accepted input\n\t\t\t\t\t\t\tconv = converters[ prev + \" \" + tmp[ 0 ] ] ||\n\t\t\t\t\t\t\t\tconverters[ \"* \" + tmp[ 0 ] ];\n\t\t\t\t\t\t\tif ( conv ) {\n\n\t\t\t\t\t\t\t\t// Condense equivalence converters\n\t\t\t\t\t\t\t\tif ( conv === true ) {\n\t\t\t\t\t\t\t\t\tconv = converters[ conv2 ];\n\n\t\t\t\t\t\t\t\t// Otherwise, insert the intermediate dataType\n\t\t\t\t\t\t\t\t} else if ( converters[ conv2 ] !== true ) {\n\t\t\t\t\t\t\t\t\tcurrent = tmp[ 0 ];\n\t\t\t\t\t\t\t\t\tdataTypes.unshift( tmp[ 1 ] );\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Apply converter (if not an equivalence)\n\t\t\t\tif ( conv !== true ) {\n\n\t\t\t\t\t// Unless errors are allowed to bubble, catch and return them\n\t\t\t\t\tif ( conv && s.throws ) {\n\t\t\t\t\t\tresponse = conv( response );\n\t\t\t\t\t} else {\n\t\t\t\t\t\ttry {\n\t\t\t\t\t\t\tresponse = conv( response );\n\t\t\t\t\t\t} catch ( e ) {\n\t\t\t\t\t\t\treturn {\n\t\t\t\t\t\t\t\tstate: \"parsererror\",\n\t\t\t\t\t\t\t\terror: conv ? e : \"No conversion from \" + prev + \" to \" + current\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn { state: \"success\", data: response };\n}\n\njQuery.extend( {\n\n\t// Counter for holding the number of active queries\n\tactive: 0,\n\n\t// Last-Modified header cache for next request\n\tlastModified: {},\n\tetag: {},\n\n\tajaxSettings: {\n\t\turl: location.href,\n\t\ttype: \"GET\",\n\t\tisLocal: rlocalProtocol.test( location.protocol ),\n\t\tglobal: true,\n\t\tprocessData: true,\n\t\tasync: true,\n\t\tcontentType: \"application/x-www-form-urlencoded; charset=UTF-8\",\n\t\t/*\n\t\ttimeout: 0,\n\t\tdata: null,\n\t\tdataType: null,\n\t\tusername: null,\n\t\tpassword: null,\n\t\tcache: null,\n\t\tthrows: false,\n\t\ttraditional: false,\n\t\theaders: {},\n\t\t*/\n\n\t\taccepts: {\n\t\t\t\"*\": allTypes,\n\t\t\ttext: \"text/plain\",\n\t\t\thtml: \"text/html\",\n\t\t\txml: \"application/xml, text/xml\",\n\t\t\tjson: \"application/json, text/javascript\"\n\t\t},\n\n\t\tcontents: {\n\t\t\txml: /\\bxml\\b/,\n\t\t\thtml: /\\bhtml/,\n\t\t\tjson: /\\bjson\\b/\n\t\t},\n\n\t\tresponseFields: {\n\t\t\txml: \"responseXML\",\n\t\t\ttext: \"responseText\",\n\t\t\tjson: \"responseJSON\"\n\t\t},\n\n\t\t// Data converters\n\t\t// Keys separate source (or catchall \"*\") and destination types with a single space\n\t\tconverters: {\n\n\t\t\t// Convert anything to text\n\t\t\t\"* text\": String,\n\n\t\t\t// Text to html (true = no transformation)\n\t\t\t\"text html\": true,\n\n\t\t\t// Evaluate text as a json expression\n\t\t\t\"text json\": jQuery.parseJSON,\n\n\t\t\t// Parse text as xml\n\t\t\t\"text xml\": jQuery.parseXML\n\t\t},\n\n\t\t// For options that shouldn't be deep extended:\n\t\t// you can add your own custom options here if\n\t\t// and when you create one that shouldn't be\n\t\t// deep extended (see ajaxExtend)\n\t\tflatOptions: {\n\t\t\turl: true,\n\t\t\tcontext: true\n\t\t}\n\t},\n\n\t// Creates a full fledged settings object into target\n\t// with both ajaxSettings and settings fields.\n\t// If target is omitted, writes into ajaxSettings.\n\tajaxSetup: function( target, settings ) {\n\t\treturn settings ?\n\n\t\t\t// Building a settings object\n\t\t\tajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :\n\n\t\t\t// Extending ajaxSettings\n\t\t\tajaxExtend( jQuery.ajaxSettings, target );\n\t},\n\n\tajaxPrefilter: addToPrefiltersOrTransports( prefilters ),\n\tajaxTransport: addToPrefiltersOrTransports( transports ),\n\n\t// Main method\n\tajax: function( url, options ) {\n\n\t\t// If url is an object, simulate pre-1.5 signature\n\t\tif ( typeof url === \"object\" ) {\n\t\t\toptions = url;\n\t\t\turl = undefined;\n\t\t}\n\n\t\t// Force options to be an object\n\t\toptions = options || {};\n\n\t\tvar transport,\n\n\t\t\t// URL without anti-cache param\n\t\t\tcacheURL,\n\n\t\t\t// Response headers\n\t\t\tresponseHeadersString,\n\t\t\tresponseHeaders,\n\n\t\t\t// timeout handle\n\t\t\ttimeoutTimer,\n\n\t\t\t// Url cleanup var\n\t\t\turlAnchor,\n\n\t\t\t// To know if global events are to be dispatched\n\t\t\tfireGlobals,\n\n\t\t\t// Loop variable\n\t\t\ti,\n\n\t\t\t// Create the final options object\n\t\t\ts = jQuery.ajaxSetup( {}, options ),\n\n\t\t\t// Callbacks context\n\t\t\tcallbackContext = s.context || s,\n\n\t\t\t// Context for global events is callbackContext if it is a DOM node or jQuery collection\n\t\t\tglobalEventContext = s.context &&\n\t\t\t\t( callbackContext.nodeType || callbackContext.jquery ) ?\n\t\t\t\t\tjQuery( callbackContext ) :\n\t\t\t\t\tjQuery.event,\n\n\t\t\t// Deferreds\n\t\t\tdeferred = jQuery.Deferred(),\n\t\t\tcompleteDeferred = jQuery.Callbacks( \"once memory\" ),\n\n\t\t\t// Status-dependent callbacks\n\t\t\tstatusCode = s.statusCode || {},\n\n\t\t\t// Headers (they are sent all at once)\n\t\t\trequestHeaders = {},\n\t\t\trequestHeadersNames = {},\n\n\t\t\t// The jqXHR state\n\t\t\tstate = 0,\n\n\t\t\t// Default abort message\n\t\t\tstrAbort = \"canceled\",\n\n\t\t\t// Fake xhr\n\t\t\tjqXHR = {\n\t\t\t\treadyState: 0,\n\n\t\t\t\t// Builds headers hashtable if needed\n\t\t\t\tgetResponseHeader: function( key ) {\n\t\t\t\t\tvar match;\n\t\t\t\t\tif ( state === 2 ) {\n\t\t\t\t\t\tif ( !responseHeaders ) {\n\t\t\t\t\t\t\tresponseHeaders = {};\n\t\t\t\t\t\t\twhile ( ( match = rheaders.exec( responseHeadersString ) ) ) {\n\t\t\t\t\t\t\t\tresponseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t\tmatch = responseHeaders[ key.toLowerCase() ];\n\t\t\t\t\t}\n\t\t\t\t\treturn match == null ? null : match;\n\t\t\t\t},\n\n\t\t\t\t// Raw string\n\t\t\t\tgetAllResponseHeaders: function() {\n\t\t\t\t\treturn state === 2 ? responseHeadersString : null;\n\t\t\t\t},\n\n\t\t\t\t// Caches the header\n\t\t\t\tsetRequestHeader: function( name, value ) {\n\t\t\t\t\tvar lname = name.toLowerCase();\n\t\t\t\t\tif ( !state ) {\n\t\t\t\t\t\tname = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;\n\t\t\t\t\t\trequestHeaders[ name ] = value;\n\t\t\t\t\t}\n\t\t\t\t\treturn this;\n\t\t\t\t},\n\n\t\t\t\t// Overrides response content-type header\n\t\t\t\toverrideMimeType: function( type ) {\n\t\t\t\t\tif ( !state ) {\n\t\t\t\t\t\ts.mimeType = type;\n\t\t\t\t\t}\n\t\t\t\t\treturn this;\n\t\t\t\t},\n\n\t\t\t\t// Status-dependent callbacks\n\t\t\t\tstatusCode: function( map ) {\n\t\t\t\t\tvar code;\n\t\t\t\t\tif ( map ) {\n\t\t\t\t\t\tif ( state < 2 ) {\n\t\t\t\t\t\t\tfor ( code in map ) {\n\n\t\t\t\t\t\t\t\t// Lazy-add the new callback in a way that preserves old ones\n\t\t\t\t\t\t\t\tstatusCode[ code ] = [ statusCode[ code ], map[ code ] ];\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// Execute the appropriate callbacks\n\t\t\t\t\t\t\tjqXHR.always( map[ jqXHR.status ] );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\treturn this;\n\t\t\t\t},\n\n\t\t\t\t// Cancel the request\n\t\t\t\tabort: function( statusText ) {\n\t\t\t\t\tvar finalText = statusText || strAbort;\n\t\t\t\t\tif ( transport ) {\n\t\t\t\t\t\ttransport.abort( finalText );\n\t\t\t\t\t}\n\t\t\t\t\tdone( 0, finalText );\n\t\t\t\t\treturn this;\n\t\t\t\t}\n\t\t\t};\n\n\t\t// Attach deferreds\n\t\tdeferred.promise( jqXHR ).complete = completeDeferred.add;\n\t\tjqXHR.success = jqXHR.done;\n\t\tjqXHR.error = jqXHR.fail;\n\n\t\t// Remove hash character (#7531: and string promotion)\n\t\t// Add protocol if not provided (prefilters might expect it)\n\t\t// Handle falsy url in the settings object (#10093: consistency with old signature)\n\t\t// We also use the url parameter if available\n\t\ts.url = ( ( url || s.url || location.href ) + \"\" ).replace( rhash, \"\" )\n\t\t\t.replace( rprotocol, location.protocol + \"//\" );\n\n\t\t// Alias method option to type as per ticket #12004\n\t\ts.type = options.method || options.type || s.method || s.type;\n\n\t\t// Extract dataTypes list\n\t\ts.dataTypes = jQuery.trim( s.dataType || \"*\" ).toLowerCase().match( rnotwhite ) || [ \"\" ];\n\n\t\t// A cross-domain request is in order when the origin doesn't match the current origin.\n\t\tif ( s.crossDomain == null ) {\n\t\t\turlAnchor = document.createElement( \"a\" );\n\n\t\t\t// Support: IE8-11+\n\t\t\t// IE throws exception if url is malformed, e.g. http://example.com:80x/\n\t\t\ttry {\n\t\t\t\turlAnchor.href = s.url;\n\n\t\t\t\t// Support: IE8-11+\n\t\t\t\t// Anchor's host property isn't correctly set when s.url is relative\n\t\t\t\turlAnchor.href = urlAnchor.href;\n\t\t\t\ts.crossDomain = originAnchor.protocol + \"//\" + originAnchor.host !==\n\t\t\t\t\turlAnchor.protocol + \"//\" + urlAnchor.host;\n\t\t\t} catch ( e ) {\n\n\t\t\t\t// If there is an error parsing the URL, assume it is crossDomain,\n\t\t\t\t// it can be rejected by the transport if it is invalid\n\t\t\t\ts.crossDomain = true;\n\t\t\t}\n\t\t}\n\n\t\t// Convert data if not already a string\n\t\tif ( s.data && s.processData && typeof s.data !== \"string\" ) {\n\t\t\ts.data = jQuery.param( s.data, s.traditional );\n\t\t}\n\n\t\t// Apply prefilters\n\t\tinspectPrefiltersOrTransports( prefilters, s, options, jqXHR );\n\n\t\t// If request was aborted inside a prefilter, stop there\n\t\tif ( state === 2 ) {\n\t\t\treturn jqXHR;\n\t\t}\n\n\t\t// We can fire global events as of now if asked to\n\t\t// Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)\n\t\tfireGlobals = jQuery.event && s.global;\n\n\t\t// Watch for a new set of requests\n\t\tif ( fireGlobals && jQuery.active++ === 0 ) {\n\t\t\tjQuery.event.trigger( \"ajaxStart\" );\n\t\t}\n\n\t\t// Uppercase the type\n\t\ts.type = s.type.toUpperCase();\n\n\t\t// Determine if request has content\n\t\ts.hasContent = !rnoContent.test( s.type );\n\n\t\t// Save the URL in case we're toying with the If-Modified-Since\n\t\t// and/or If-None-Match header later on\n\t\tcacheURL = s.url;\n\n\t\t// More options handling for requests with no content\n\t\tif ( !s.hasContent ) {\n\n\t\t\t// If data is available, append data to url\n\t\t\tif ( s.data ) {\n\t\t\t\tcacheURL = ( s.url += ( rquery.test( cacheURL ) ? \"&\" : \"?\" ) + s.data );\n\n\t\t\t\t// #9682: remove data so that it's not used in an eventual retry\n\t\t\t\tdelete s.data;\n\t\t\t}\n\n\t\t\t// Add anti-cache in url if needed\n\t\t\tif ( s.cache === false ) {\n\t\t\t\ts.url = rts.test( cacheURL ) ?\n\n\t\t\t\t\t// If there is already a '_' parameter, set its value\n\t\t\t\t\tcacheURL.replace( rts, \"$1_=\" + nonce++ ) :\n\n\t\t\t\t\t// Otherwise add one to the end\n\t\t\t\t\tcacheURL + ( rquery.test( cacheURL ) ? \"&\" : \"?\" ) + \"_=\" + nonce++;\n\t\t\t}\n\t\t}\n\n\t\t// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.\n\t\tif ( s.ifModified ) {\n\t\t\tif ( jQuery.lastModified[ cacheURL ] ) {\n\t\t\t\tjqXHR.setRequestHeader( \"If-Modified-Since\", jQuery.lastModified[ cacheURL ] );\n\t\t\t}\n\t\t\tif ( jQuery.etag[ cacheURL ] ) {\n\t\t\t\tjqXHR.setRequestHeader( \"If-None-Match\", jQuery.etag[ cacheURL ] );\n\t\t\t}\n\t\t}\n\n\t\t// Set the correct header, if data is being sent\n\t\tif ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {\n\t\t\tjqXHR.setRequestHeader( \"Content-Type\", s.contentType );\n\t\t}\n\n\t\t// Set the Accepts header for the server, depending on the dataType\n\t\tjqXHR.setRequestHeader(\n\t\t\t\"Accept\",\n\t\t\ts.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?\n\t\t\t\ts.accepts[ s.dataTypes[ 0 ] ] +\n\t\t\t\t\t( s.dataTypes[ 0 ] !== \"*\" ? \", \" + allTypes + \"; q=0.01\" : \"\" ) :\n\t\t\t\ts.accepts[ \"*\" ]\n\t\t);\n\n\t\t// Check for headers option\n\t\tfor ( i in s.headers ) {\n\t\t\tjqXHR.setRequestHeader( i, s.headers[ i ] );\n\t\t}\n\n\t\t// Allow custom headers/mimetypes and early abort\n\t\tif ( s.beforeSend &&\n\t\t\t( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {\n\n\t\t\t// Abort if not done already and return\n\t\t\treturn jqXHR.abort();\n\t\t}\n\n\t\t// Aborting is no longer a cancellation\n\t\tstrAbort = \"abort\";\n\n\t\t// Install callbacks on deferreds\n\t\tfor ( i in { success: 1, error: 1, complete: 1 } ) {\n\t\t\tjqXHR[ i ]( s[ i ] );\n\t\t}\n\n\t\t// Get transport\n\t\ttransport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );\n\n\t\t// If no transport, we auto-abort\n\t\tif ( !transport ) {\n\t\t\tdone( -1, \"No Transport\" );\n\t\t} else {\n\t\t\tjqXHR.readyState = 1;\n\n\t\t\t// Send global event\n\t\t\tif ( fireGlobals ) {\n\t\t\t\tglobalEventContext.trigger( \"ajaxSend\", [ jqXHR, s ] );\n\t\t\t}\n\n\t\t\t// If request was aborted inside ajaxSend, stop there\n\t\t\tif ( state === 2 ) {\n\t\t\t\treturn jqXHR;\n\t\t\t}\n\n\t\t\t// Timeout\n\t\t\tif ( s.async && s.timeout > 0 ) {\n\t\t\t\ttimeoutTimer = window.setTimeout( function() {\n\t\t\t\t\tjqXHR.abort( \"timeout\" );\n\t\t\t\t}, s.timeout );\n\t\t\t}\n\n\t\t\ttry {\n\t\t\t\tstate = 1;\n\t\t\t\ttransport.send( requestHeaders, done );\n\t\t\t} catch ( e ) {\n\n\t\t\t\t// Propagate exception as error if not done\n\t\t\t\tif ( state < 2 ) {\n\t\t\t\t\tdone( -1, e );\n\n\t\t\t\t// Simply rethrow otherwise\n\t\t\t\t} else {\n\t\t\t\t\tthrow e;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Callback for when everything is done\n\t\tfunction done( status, nativeStatusText, responses, headers ) {\n\t\t\tvar isSuccess, success, error, response, modified,\n\t\t\t\tstatusText = nativeStatusText;\n\n\t\t\t// Called once\n\t\t\tif ( state === 2 ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// State is \"done\" now\n\t\t\tstate = 2;\n\n\t\t\t// Clear timeout if it exists\n\t\t\tif ( timeoutTimer ) {\n\t\t\t\twindow.clearTimeout( timeoutTimer );\n\t\t\t}\n\n\t\t\t// Dereference transport for early garbage collection\n\t\t\t// (no matter how long the jqXHR object will be used)\n\t\t\ttransport = undefined;\n\n\t\t\t// Cache response headers\n\t\t\tresponseHeadersString = headers || \"\";\n\n\t\t\t// Set readyState\n\t\t\tjqXHR.readyState = status > 0 ? 4 : 0;\n\n\t\t\t// Determine if successful\n\t\t\tisSuccess = status >= 200 && status < 300 || status === 304;\n\n\t\t\t// Get response data\n\t\t\tif ( responses ) {\n\t\t\t\tresponse = ajaxHandleResponses( s, jqXHR, responses );\n\t\t\t}\n\n\t\t\t// Convert no matter what (that way responseXXX fields are always set)\n\t\t\tresponse = ajaxConvert( s, response, jqXHR, isSuccess );\n\n\t\t\t// If successful, handle type chaining\n\t\t\tif ( isSuccess ) {\n\n\t\t\t\t// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.\n\t\t\t\tif ( s.ifModified ) {\n\t\t\t\t\tmodified = jqXHR.getResponseHeader( \"Last-Modified\" );\n\t\t\t\t\tif ( modified ) {\n\t\t\t\t\t\tjQuery.lastModified[ cacheURL ] = modified;\n\t\t\t\t\t}\n\t\t\t\t\tmodified = jqXHR.getResponseHeader( \"etag\" );\n\t\t\t\t\tif ( modified ) {\n\t\t\t\t\t\tjQuery.etag[ cacheURL ] = modified;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// if no content\n\t\t\t\tif ( status === 204 || s.type === \"HEAD\" ) {\n\t\t\t\t\tstatusText = \"nocontent\";\n\n\t\t\t\t// if not modified\n\t\t\t\t} else if ( status === 304 ) {\n\t\t\t\t\tstatusText = \"notmodified\";\n\n\t\t\t\t// If we have data, let's convert it\n\t\t\t\t} else {\n\t\t\t\t\tstatusText = response.state;\n\t\t\t\t\tsuccess = response.data;\n\t\t\t\t\terror = response.error;\n\t\t\t\t\tisSuccess = !error;\n\t\t\t\t}\n\t\t\t} else {\n\n\t\t\t\t// Extract error from statusText and normalize for non-aborts\n\t\t\t\terror = statusText;\n\t\t\t\tif ( status || !statusText ) {\n\t\t\t\t\tstatusText = \"error\";\n\t\t\t\t\tif ( status < 0 ) {\n\t\t\t\t\t\tstatus = 0;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Set data for the fake xhr object\n\t\t\tjqXHR.status = status;\n\t\t\tjqXHR.statusText = ( nativeStatusText || statusText ) + \"\";\n\n\t\t\t// Success/Error\n\t\t\tif ( isSuccess ) {\n\t\t\t\tdeferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );\n\t\t\t} else {\n\t\t\t\tdeferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );\n\t\t\t}\n\n\t\t\t// Status-dependent callbacks\n\t\t\tjqXHR.statusCode( statusCode );\n\t\t\tstatusCode = undefined;\n\n\t\t\tif ( fireGlobals ) {\n\t\t\t\tglobalEventContext.trigger( isSuccess ? \"ajaxSuccess\" : \"ajaxError\",\n\t\t\t\t\t[ jqXHR, s, isSuccess ? success : error ] );\n\t\t\t}\n\n\t\t\t// Complete\n\t\t\tcompleteDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );\n\n\t\t\tif ( fireGlobals ) {\n\t\t\t\tglobalEventContext.trigger( \"ajaxComplete\", [ jqXHR, s ] );\n\n\t\t\t\t// Handle the global AJAX counter\n\t\t\t\tif ( !( --jQuery.active ) ) {\n\t\t\t\t\tjQuery.event.trigger( \"ajaxStop\" );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn jqXHR;\n\t},\n\n\tgetJSON: function( url, data, callback ) {\n\t\treturn jQuery.get( url, data, callback, \"json\" );\n\t},\n\n\tgetScript: function( url, callback ) {\n\t\treturn jQuery.get( url, undefined, callback, \"script\" );\n\t}\n} );\n\njQuery.each( [ \"get\", \"post\" ], function( i, method ) {\n\tjQuery[ method ] = function( url, data, callback, type ) {\n\n\t\t// Shift arguments if data argument was omitted\n\t\tif ( jQuery.isFunction( data ) ) {\n\t\t\ttype = type || callback;\n\t\t\tcallback = data;\n\t\t\tdata = undefined;\n\t\t}\n\n\t\t// The url can be an options object (which then must have .url)\n\t\treturn jQuery.ajax( jQuery.extend( {\n\t\t\turl: url,\n\t\t\ttype: method,\n\t\t\tdataType: type,\n\t\t\tdata: data,\n\t\t\tsuccess: callback\n\t\t}, jQuery.isPlainObject( url ) && url ) );\n\t};\n} );\n\n\njQuery._evalUrl = function( url ) {\n\treturn jQuery.ajax( {\n\t\turl: url,\n\n\t\t// Make this explicit, since user can override this through ajaxSetup (#11264)\n\t\ttype: \"GET\",\n\t\tdataType: \"script\",\n\t\tasync: false,\n\t\tglobal: false,\n\t\t\"throws\": true\n\t} );\n};\n\n\njQuery.fn.extend( {\n\twrapAll: function( html ) {\n\t\tvar wrap;\n\n\t\tif ( jQuery.isFunction( html ) ) {\n\t\t\treturn this.each( function( i ) {\n\t\t\t\tjQuery( this ).wrapAll( html.call( this, i ) );\n\t\t\t} );\n\t\t}\n\n\t\tif ( this[ 0 ] ) {\n\n\t\t\t// The elements to wrap the target around\n\t\t\twrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );\n\n\t\t\tif ( this[ 0 ].parentNode ) {\n\t\t\t\twrap.insertBefore( this[ 0 ] );\n\t\t\t}\n\n\t\t\twrap.map( function() {\n\t\t\t\tvar elem = this;\n\n\t\t\t\twhile ( elem.firstElementChild ) {\n\t\t\t\t\telem = elem.firstElementChild;\n\t\t\t\t}\n\n\t\t\t\treturn elem;\n\t\t\t} ).append( this );\n\t\t}\n\n\t\treturn this;\n\t},\n\n\twrapInner: function( html ) {\n\t\tif ( jQuery.isFunction( html ) ) {\n\t\t\treturn this.each( function( i ) {\n\t\t\t\tjQuery( this ).wrapInner( html.call( this, i ) );\n\t\t\t} );\n\t\t}\n\n\t\treturn this.each( function() {\n\t\t\tvar self = jQuery( this ),\n\t\t\t\tcontents = self.contents();\n\n\t\t\tif ( contents.length ) {\n\t\t\t\tcontents.wrapAll( html );\n\n\t\t\t} else {\n\t\t\t\tself.append( html );\n\t\t\t}\n\t\t} );\n\t},\n\n\twrap: function( html ) {\n\t\tvar isFunction = jQuery.isFunction( html );\n\n\t\treturn this.each( function( i ) {\n\t\t\tjQuery( this ).wrapAll( isFunction ? html.call( this, i ) : html );\n\t\t} );\n\t},\n\n\tunwrap: function() {\n\t\treturn this.parent().each( function() {\n\t\t\tif ( !jQuery.nodeName( this, \"body\" ) ) {\n\t\t\t\tjQuery( this ).replaceWith( this.childNodes );\n\t\t\t}\n\t\t} ).end();\n\t}\n} );\n\n\njQuery.expr.filters.hidden = function( elem ) {\n\treturn !jQuery.expr.filters.visible( elem );\n};\njQuery.expr.filters.visible = function( elem ) {\n\n\t// Support: Opera <= 12.12\n\t// Opera reports offsetWidths and offsetHeights less than zero on some elements\n\t// Use OR instead of AND as the element is not visible if either is true\n\t// See tickets #10406 and #13132\n\treturn elem.offsetWidth > 0 || elem.offsetHeight > 0 || elem.getClientRects().length > 0;\n};\n\n\n\n\nvar r20 = /%20/g,\n\trbracket = /\\[\\]$/,\n\trCRLF = /\\r?\\n/g,\n\trsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,\n\trsubmittable = /^(?:input|select|textarea|keygen)/i;\n\nfunction buildParams( prefix, obj, traditional, add ) {\n\tvar name;\n\n\tif ( jQuery.isArray( obj ) ) {\n\n\t\t// Serialize array item.\n\t\tjQuery.each( obj, function( i, v ) {\n\t\t\tif ( traditional || rbracket.test( prefix ) ) {\n\n\t\t\t\t// Treat each array item as a scalar.\n\t\t\t\tadd( prefix, v );\n\n\t\t\t} else {\n\n\t\t\t\t// Item is non-scalar (array or object), encode its numeric index.\n\t\t\t\tbuildParams(\n\t\t\t\t\tprefix + \"[\" + ( typeof v === \"object\" && v != null ? i : \"\" ) + \"]\",\n\t\t\t\t\tv,\n\t\t\t\t\ttraditional,\n\t\t\t\t\tadd\n\t\t\t\t);\n\t\t\t}\n\t\t} );\n\n\t} else if ( !traditional && jQuery.type( obj ) === \"object\" ) {\n\n\t\t// Serialize object item.\n\t\tfor ( name in obj ) {\n\t\t\tbuildParams( prefix + \"[\" + name + \"]\", obj[ name ], traditional, add );\n\t\t}\n\n\t} else {\n\n\t\t// Serialize scalar item.\n\t\tadd( prefix, obj );\n\t}\n}\n\n// Serialize an array of form elements or a set of\n// key/values into a query string\njQuery.param = function( a, traditional ) {\n\tvar prefix,\n\t\ts = [],\n\t\tadd = function( key, value ) {\n\n\t\t\t// If value is a function, invoke it and return its value\n\t\t\tvalue = jQuery.isFunction( value ) ? value() : ( value == null ? \"\" : value );\n\t\t\ts[ s.length ] = encodeURIComponent( key ) + \"=\" + encodeURIComponent( value );\n\t\t};\n\n\t// Set traditional to true for jQuery <= 1.3.2 behavior.\n\tif ( traditional === undefined ) {\n\t\ttraditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;\n\t}\n\n\t// If an array was passed in, assume that it is an array of form elements.\n\tif ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {\n\n\t\t// Serialize the form elements\n\t\tjQuery.each( a, function() {\n\t\t\tadd( this.name, this.value );\n\t\t} );\n\n\t} else {\n\n\t\t// If traditional, encode the \"old\" way (the way 1.3.2 or older\n\t\t// did it), otherwise encode params recursively.\n\t\tfor ( prefix in a ) {\n\t\t\tbuildParams( prefix, a[ prefix ], traditional, add );\n\t\t}\n\t}\n\n\t// Return the resulting serialization\n\treturn s.join( \"&\" ).replace( r20, \"+\" );\n};\n\njQuery.fn.extend( {\n\tserialize: function() {\n\t\treturn jQuery.param( this.serializeArray() );\n\t},\n\tserializeArray: function() {\n\t\treturn this.map( function() {\n\n\t\t\t// Can add propHook for \"elements\" to filter or add form elements\n\t\t\tvar elements = jQuery.prop( this, \"elements\" );\n\t\t\treturn elements ? jQuery.makeArray( elements ) : this;\n\t\t} )\n\t\t.filter( function() {\n\t\t\tvar type = this.type;\n\n\t\t\t// Use .is( \":disabled\" ) so that fieldset[disabled] works\n\t\t\treturn this.name && !jQuery( this ).is( \":disabled\" ) &&\n\t\t\t\trsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&\n\t\t\t\t( this.checked || !rcheckableType.test( type ) );\n\t\t} )\n\t\t.map( function( i, elem ) {\n\t\t\tvar val = jQuery( this ).val();\n\n\t\t\treturn val == null ?\n\t\t\t\tnull :\n\t\t\t\tjQuery.isArray( val ) ?\n\t\t\t\t\tjQuery.map( val, function( val ) {\n\t\t\t\t\t\treturn { name: elem.name, value: val.replace( rCRLF, \"\\r\\n\" ) };\n\t\t\t\t\t} ) :\n\t\t\t\t\t{ name: elem.name, value: val.replace( rCRLF, \"\\r\\n\" ) };\n\t\t} ).get();\n\t}\n} );\n\n\njQuery.ajaxSettings.xhr = function() {\n\ttry {\n\t\treturn new window.XMLHttpRequest();\n\t} catch ( e ) {}\n};\n\nvar xhrSuccessStatus = {\n\n\t\t// File protocol always yields status code 0, assume 200\n\t\t0: 200,\n\n\t\t// Support: IE9\n\t\t// #1450: sometimes IE returns 1223 when it should be 204\n\t\t1223: 204\n\t},\n\txhrSupported = jQuery.ajaxSettings.xhr();\n\nsupport.cors = !!xhrSupported && ( \"withCredentials\" in xhrSupported );\nsupport.ajax = xhrSupported = !!xhrSupported;\n\njQuery.ajaxTransport( function( options ) {\n\tvar callback, errorCallback;\n\n\t// Cross domain only allowed if supported through XMLHttpRequest\n\tif ( support.cors || xhrSupported && !options.crossDomain ) {\n\t\treturn {\n\t\t\tsend: function( headers, complete ) {\n\t\t\t\tvar i,\n\t\t\t\t\txhr = options.xhr();\n\n\t\t\t\txhr.open(\n\t\t\t\t\toptions.type,\n\t\t\t\t\toptions.url,\n\t\t\t\t\toptions.async,\n\t\t\t\t\toptions.username,\n\t\t\t\t\toptions.password\n\t\t\t\t);\n\n\t\t\t\t// Apply custom fields if provided\n\t\t\t\tif ( options.xhrFields ) {\n\t\t\t\t\tfor ( i in options.xhrFields ) {\n\t\t\t\t\t\txhr[ i ] = options.xhrFields[ i ];\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Override mime type if needed\n\t\t\t\tif ( options.mimeType && xhr.overrideMimeType ) {\n\t\t\t\t\txhr.overrideMimeType( options.mimeType );\n\t\t\t\t}\n\n\t\t\t\t// X-Requested-With header\n\t\t\t\t// For cross-domain requests, seeing as conditions for a preflight are\n\t\t\t\t// akin to a jigsaw puzzle, we simply never set it to be sure.\n\t\t\t\t// (it can always be set on a per-request basis or even using ajaxSetup)\n\t\t\t\t// For same-domain requests, won't change header if already provided.\n\t\t\t\tif ( !options.crossDomain && !headers[ \"X-Requested-With\" ] ) {\n\t\t\t\t\theaders[ \"X-Requested-With\" ] = \"XMLHttpRequest\";\n\t\t\t\t}\n\n\t\t\t\t// Set headers\n\t\t\t\tfor ( i in headers ) {\n\t\t\t\t\txhr.setRequestHeader( i, headers[ i ] );\n\t\t\t\t}\n\n\t\t\t\t// Callback\n\t\t\t\tcallback = function( type ) {\n\t\t\t\t\treturn function() {\n\t\t\t\t\t\tif ( callback ) {\n\t\t\t\t\t\t\tcallback = errorCallback = xhr.onload =\n\t\t\t\t\t\t\t\txhr.onerror = xhr.onabort = xhr.onreadystatechange = null;\n\n\t\t\t\t\t\t\tif ( type === \"abort\" ) {\n\t\t\t\t\t\t\t\txhr.abort();\n\t\t\t\t\t\t\t} else if ( type === \"error\" ) {\n\n\t\t\t\t\t\t\t\t// Support: IE9\n\t\t\t\t\t\t\t\t// On a manual native abort, IE9 throws\n\t\t\t\t\t\t\t\t// errors on any property access that is not readyState\n\t\t\t\t\t\t\t\tif ( typeof xhr.status !== \"number\" ) {\n\t\t\t\t\t\t\t\t\tcomplete( 0, \"error\" );\n\t\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\t\tcomplete(\n\n\t\t\t\t\t\t\t\t\t\t// File: protocol always yields status 0; see #8605, #14207\n\t\t\t\t\t\t\t\t\t\txhr.status,\n\t\t\t\t\t\t\t\t\t\txhr.statusText\n\t\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\tcomplete(\n\t\t\t\t\t\t\t\t\txhrSuccessStatus[ xhr.status ] || xhr.status,\n\t\t\t\t\t\t\t\t\txhr.statusText,\n\n\t\t\t\t\t\t\t\t\t// Support: IE9 only\n\t\t\t\t\t\t\t\t\t// IE9 has no XHR2 but throws on binary (trac-11426)\n\t\t\t\t\t\t\t\t\t// For XHR2 non-text, let the caller handle it (gh-2498)\n\t\t\t\t\t\t\t\t\t( xhr.responseType || \"text\" ) !== \"text\"  ||\n\t\t\t\t\t\t\t\t\ttypeof xhr.responseText !== \"string\" ?\n\t\t\t\t\t\t\t\t\t\t{ binary: xhr.response } :\n\t\t\t\t\t\t\t\t\t\t{ text: xhr.responseText },\n\t\t\t\t\t\t\t\t\txhr.getAllResponseHeaders()\n\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\t\t\t\t};\n\n\t\t\t\t// Listen to events\n\t\t\t\txhr.onload = callback();\n\t\t\t\terrorCallback = xhr.onerror = callback( \"error\" );\n\n\t\t\t\t// Support: IE9\n\t\t\t\t// Use onreadystatechange to replace onabort\n\t\t\t\t// to handle uncaught aborts\n\t\t\t\tif ( xhr.onabort !== undefined ) {\n\t\t\t\t\txhr.onabort = errorCallback;\n\t\t\t\t} else {\n\t\t\t\t\txhr.onreadystatechange = function() {\n\n\t\t\t\t\t\t// Check readyState before timeout as it changes\n\t\t\t\t\t\tif ( xhr.readyState === 4 ) {\n\n\t\t\t\t\t\t\t// Allow onerror to be called first,\n\t\t\t\t\t\t\t// but that will not handle a native abort\n\t\t\t\t\t\t\t// Also, save errorCallback to a variable\n\t\t\t\t\t\t\t// as xhr.onerror cannot be accessed\n\t\t\t\t\t\t\twindow.setTimeout( function() {\n\t\t\t\t\t\t\t\tif ( callback ) {\n\t\t\t\t\t\t\t\t\terrorCallback();\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\t\t\t\t}\n\n\t\t\t\t// Create the abort callback\n\t\t\t\tcallback = callback( \"abort\" );\n\n\t\t\t\ttry {\n\n\t\t\t\t\t// Do send the request (this may raise an exception)\n\t\t\t\t\txhr.send( options.hasContent && options.data || null );\n\t\t\t\t} catch ( e ) {\n\n\t\t\t\t\t// #14683: Only rethrow if this hasn't been notified as an error yet\n\t\t\t\t\tif ( callback ) {\n\t\t\t\t\t\tthrow e;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tabort: function() {\n\t\t\t\tif ( callback ) {\n\t\t\t\t\tcallback();\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t}\n} );\n\n\n\n\n// Install script dataType\njQuery.ajaxSetup( {\n\taccepts: {\n\t\tscript: \"text/javascript, application/javascript, \" +\n\t\t\t\"application/ecmascript, application/x-ecmascript\"\n\t},\n\tcontents: {\n\t\tscript: /\\b(?:java|ecma)script\\b/\n\t},\n\tconverters: {\n\t\t\"text script\": function( text ) {\n\t\t\tjQuery.globalEval( text );\n\t\t\treturn text;\n\t\t}\n\t}\n} );\n\n// Handle cache's special case and crossDomain\njQuery.ajaxPrefilter( \"script\", function( s ) {\n\tif ( s.cache === undefined ) {\n\t\ts.cache = false;\n\t}\n\tif ( s.crossDomain ) {\n\t\ts.type = \"GET\";\n\t}\n} );\n\n// Bind script tag hack transport\njQuery.ajaxTransport( \"script\", function( s ) {\n\n\t// This transport only deals with cross domain requests\n\tif ( s.crossDomain ) {\n\t\tvar script, callback;\n\t\treturn {\n\t\t\tsend: function( _, complete ) {\n\t\t\t\tscript = jQuery( \"<script>\" ).prop( {\n\t\t\t\t\tcharset: s.scriptCharset,\n\t\t\t\t\tsrc: s.url\n\t\t\t\t} ).on(\n\t\t\t\t\t\"load error\",\n\t\t\t\t\tcallback = function( evt ) {\n\t\t\t\t\t\tscript.remove();\n\t\t\t\t\t\tcallback = null;\n\t\t\t\t\t\tif ( evt ) {\n\t\t\t\t\t\t\tcomplete( evt.type === \"error\" ? 404 : 200, evt.type );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t);\n\n\t\t\t\t// Use native DOM manipulation to avoid our domManip AJAX trickery\n\t\t\t\tdocument.head.appendChild( script[ 0 ] );\n\t\t\t},\n\t\t\tabort: function() {\n\t\t\t\tif ( callback ) {\n\t\t\t\t\tcallback();\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t}\n} );\n\n\n\n\nvar oldCallbacks = [],\n\trjsonp = /(=)\\?(?=&|$)|\\?\\?/;\n\n// Default jsonp settings\njQuery.ajaxSetup( {\n\tjsonp: \"callback\",\n\tjsonpCallback: function() {\n\t\tvar callback = oldCallbacks.pop() || ( jQuery.expando + \"_\" + ( nonce++ ) );\n\t\tthis[ callback ] = true;\n\t\treturn callback;\n\t}\n} );\n\n// Detect, normalize options and install callbacks for jsonp requests\njQuery.ajaxPrefilter( \"json jsonp\", function( s, originalSettings, jqXHR ) {\n\n\tvar callbackName, overwritten, responseContainer,\n\t\tjsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?\n\t\t\t\"url\" :\n\t\t\ttypeof s.data === \"string\" &&\n\t\t\t\t( s.contentType || \"\" )\n\t\t\t\t\t.indexOf( \"application/x-www-form-urlencoded\" ) === 0 &&\n\t\t\t\trjsonp.test( s.data ) && \"data\"\n\t\t);\n\n\t// Handle iff the expected data type is \"jsonp\" or we have a parameter to set\n\tif ( jsonProp || s.dataTypes[ 0 ] === \"jsonp\" ) {\n\n\t\t// Get callback name, remembering preexisting value associated with it\n\t\tcallbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?\n\t\t\ts.jsonpCallback() :\n\t\t\ts.jsonpCallback;\n\n\t\t// Insert callback into url or form data\n\t\tif ( jsonProp ) {\n\t\t\ts[ jsonProp ] = s[ jsonProp ].replace( rjsonp, \"$1\" + callbackName );\n\t\t} else if ( s.jsonp !== false ) {\n\t\t\ts.url += ( rquery.test( s.url ) ? \"&\" : \"?\" ) + s.jsonp + \"=\" + callbackName;\n\t\t}\n\n\t\t// Use data converter to retrieve json after script execution\n\t\ts.converters[ \"script json\" ] = function() {\n\t\t\tif ( !responseContainer ) {\n\t\t\t\tjQuery.error( callbackName + \" was not called\" );\n\t\t\t}\n\t\t\treturn responseContainer[ 0 ];\n\t\t};\n\n\t\t// Force json dataType\n\t\ts.dataTypes[ 0 ] = \"json\";\n\n\t\t// Install callback\n\t\toverwritten = window[ callbackName ];\n\t\twindow[ callbackName ] = function() {\n\t\t\tresponseContainer = arguments;\n\t\t};\n\n\t\t// Clean-up function (fires after converters)\n\t\tjqXHR.always( function() {\n\n\t\t\t// If previous value didn't exist - remove it\n\t\t\tif ( overwritten === undefined ) {\n\t\t\t\tjQuery( window ).removeProp( callbackName );\n\n\t\t\t// Otherwise restore preexisting value\n\t\t\t} else {\n\t\t\t\twindow[ callbackName ] = overwritten;\n\t\t\t}\n\n\t\t\t// Save back as free\n\t\t\tif ( s[ callbackName ] ) {\n\n\t\t\t\t// Make sure that re-using the options doesn't screw things around\n\t\t\t\ts.jsonpCallback = originalSettings.jsonpCallback;\n\n\t\t\t\t// Save the callback name for future use\n\t\t\t\toldCallbacks.push( callbackName );\n\t\t\t}\n\n\t\t\t// Call if it was a function and we have a response\n\t\t\tif ( responseContainer && jQuery.isFunction( overwritten ) ) {\n\t\t\t\toverwritten( responseContainer[ 0 ] );\n\t\t\t}\n\n\t\t\tresponseContainer = overwritten = undefined;\n\t\t} );\n\n\t\t// Delegate to script\n\t\treturn \"script\";\n\t}\n} );\n\n\n\n\n// Support: Safari 8+\n// In Safari 8 documents created via document.implementation.createHTMLDocument\n// collapse sibling forms: the second one becomes a child of the first one.\n// Because of that, this security measure has to be disabled in Safari 8.\n// https://bugs.webkit.org/show_bug.cgi?id=137337\nsupport.createHTMLDocument = ( function() {\n\tvar body = document.implementation.createHTMLDocument( \"\" ).body;\n\tbody.innerHTML = \"<form></form><form></form>\";\n\treturn body.childNodes.length === 2;\n} )();\n\n\n// Argument \"data\" should be string of html\n// context (optional): If specified, the fragment will be created in this context,\n// defaults to document\n// keepScripts (optional): If true, will include scripts passed in the html string\njQuery.parseHTML = function( data, context, keepScripts ) {\n\tif ( !data || typeof data !== \"string\" ) {\n\t\treturn null;\n\t}\n\tif ( typeof context === \"boolean\" ) {\n\t\tkeepScripts = context;\n\t\tcontext = false;\n\t}\n\n\t// Stop scripts or inline event handlers from being executed immediately\n\t// by using document.implementation\n\tcontext = context || ( support.createHTMLDocument ?\n\t\tdocument.implementation.createHTMLDocument( \"\" ) :\n\t\tdocument );\n\n\tvar parsed = rsingleTag.exec( data ),\n\t\tscripts = !keepScripts && [];\n\n\t// Single tag\n\tif ( parsed ) {\n\t\treturn [ context.createElement( parsed[ 1 ] ) ];\n\t}\n\n\tparsed = buildFragment( [ data ], context, scripts );\n\n\tif ( scripts && scripts.length ) {\n\t\tjQuery( scripts ).remove();\n\t}\n\n\treturn jQuery.merge( [], parsed.childNodes );\n};\n\n\n// Keep a copy of the old load method\nvar _load = jQuery.fn.load;\n\n/**\n * Load a url into a page\n */\njQuery.fn.load = function( url, params, callback ) {\n\tif ( typeof url !== \"string\" && _load ) {\n\t\treturn _load.apply( this, arguments );\n\t}\n\n\tvar selector, type, response,\n\t\tself = this,\n\t\toff = url.indexOf( \" \" );\n\n\tif ( off > -1 ) {\n\t\tselector = jQuery.trim( url.slice( off ) );\n\t\turl = url.slice( 0, off );\n\t}\n\n\t// If it's a function\n\tif ( jQuery.isFunction( params ) ) {\n\n\t\t// We assume that it's the callback\n\t\tcallback = params;\n\t\tparams = undefined;\n\n\t// Otherwise, build a param string\n\t} else if ( params && typeof params === \"object\" ) {\n\t\ttype = \"POST\";\n\t}\n\n\t// If we have elements to modify, make the request\n\tif ( self.length > 0 ) {\n\t\tjQuery.ajax( {\n\t\t\turl: url,\n\n\t\t\t// If \"type\" variable is undefined, then \"GET\" method will be used.\n\t\t\t// Make value of this field explicit since\n\t\t\t// user can override it through ajaxSetup method\n\t\t\ttype: type || \"GET\",\n\t\t\tdataType: \"html\",\n\t\t\tdata: params\n\t\t} ).done( function( responseText ) {\n\n\t\t\t// Save response for use in complete callback\n\t\t\tresponse = arguments;\n\n\t\t\tself.html( selector ?\n\n\t\t\t\t// If a selector was specified, locate the right elements in a dummy div\n\t\t\t\t// Exclude scripts to avoid IE 'Permission Denied' errors\n\t\t\t\tjQuery( \"<div>\" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :\n\n\t\t\t\t// Otherwise use the full result\n\t\t\t\tresponseText );\n\n\t\t// If the request succeeds, this function gets \"data\", \"status\", \"jqXHR\"\n\t\t// but they are ignored because response was set above.\n\t\t// If it fails, this function gets \"jqXHR\", \"status\", \"error\"\n\t\t} ).always( callback && function( jqXHR, status ) {\n\t\t\tself.each( function() {\n\t\t\t\tcallback.apply( self, response || [ jqXHR.responseText, status, jqXHR ] );\n\t\t\t} );\n\t\t} );\n\t}\n\n\treturn this;\n};\n\n\n\n\n// Attach a bunch of functions for handling common AJAX events\njQuery.each( [\n\t\"ajaxStart\",\n\t\"ajaxStop\",\n\t\"ajaxComplete\",\n\t\"ajaxError\",\n\t\"ajaxSuccess\",\n\t\"ajaxSend\"\n], function( i, type ) {\n\tjQuery.fn[ type ] = function( fn ) {\n\t\treturn this.on( type, fn );\n\t};\n} );\n\n\n\n\njQuery.expr.filters.animated = function( elem ) {\n\treturn jQuery.grep( jQuery.timers, function( fn ) {\n\t\treturn elem === fn.elem;\n\t} ).length;\n};\n\n\n\n\n/**\n * Gets a window from an element\n */\nfunction getWindow( elem ) {\n\treturn jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView;\n}\n\njQuery.offset = {\n\tsetOffset: function( elem, options, i ) {\n\t\tvar curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,\n\t\t\tposition = jQuery.css( elem, \"position\" ),\n\t\t\tcurElem = jQuery( elem ),\n\t\t\tprops = {};\n\n\t\t// Set position first, in-case top/left are set even on static elem\n\t\tif ( position === \"static\" ) {\n\t\t\telem.style.position = \"relative\";\n\t\t}\n\n\t\tcurOffset = curElem.offset();\n\t\tcurCSSTop = jQuery.css( elem, \"top\" );\n\t\tcurCSSLeft = jQuery.css( elem, \"left\" );\n\t\tcalculatePosition = ( position === \"absolute\" || position === \"fixed\" ) &&\n\t\t\t( curCSSTop + curCSSLeft ).indexOf( \"auto\" ) > -1;\n\n\t\t// Need to be able to calculate position if either\n\t\t// top or left is auto and position is either absolute or fixed\n\t\tif ( calculatePosition ) {\n\t\t\tcurPosition = curElem.position();\n\t\t\tcurTop = curPosition.top;\n\t\t\tcurLeft = curPosition.left;\n\n\t\t} else {\n\t\t\tcurTop = parseFloat( curCSSTop ) || 0;\n\t\t\tcurLeft = parseFloat( curCSSLeft ) || 0;\n\t\t}\n\n\t\tif ( jQuery.isFunction( options ) ) {\n\n\t\t\t// Use jQuery.extend here to allow modification of coordinates argument (gh-1848)\n\t\t\toptions = options.call( elem, i, jQuery.extend( {}, curOffset ) );\n\t\t}\n\n\t\tif ( options.top != null ) {\n\t\t\tprops.top = ( options.top - curOffset.top ) + curTop;\n\t\t}\n\t\tif ( options.left != null ) {\n\t\t\tprops.left = ( options.left - curOffset.left ) + curLeft;\n\t\t}\n\n\t\tif ( \"using\" in options ) {\n\t\t\toptions.using.call( elem, props );\n\n\t\t} else {\n\t\t\tcurElem.css( props );\n\t\t}\n\t}\n};\n\njQuery.fn.extend( {\n\toffset: function( options ) {\n\t\tif ( arguments.length ) {\n\t\t\treturn options === undefined ?\n\t\t\t\tthis :\n\t\t\t\tthis.each( function( i ) {\n\t\t\t\t\tjQuery.offset.setOffset( this, options, i );\n\t\t\t\t} );\n\t\t}\n\n\t\tvar docElem, win,\n\t\t\telem = this[ 0 ],\n\t\t\tbox = { top: 0, left: 0 },\n\t\t\tdoc = elem && elem.ownerDocument;\n\n\t\tif ( !doc ) {\n\t\t\treturn;\n\t\t}\n\n\t\tdocElem = doc.documentElement;\n\n\t\t// Make sure it's not a disconnected DOM node\n\t\tif ( !jQuery.contains( docElem, elem ) ) {\n\t\t\treturn box;\n\t\t}\n\n\t\tbox = elem.getBoundingClientRect();\n\t\twin = getWindow( doc );\n\t\treturn {\n\t\t\ttop: box.top + win.pageYOffset - docElem.clientTop,\n\t\t\tleft: box.left + win.pageXOffset - docElem.clientLeft\n\t\t};\n\t},\n\n\tposition: function() {\n\t\tif ( !this[ 0 ] ) {\n\t\t\treturn;\n\t\t}\n\n\t\tvar offsetParent, offset,\n\t\t\telem = this[ 0 ],\n\t\t\tparentOffset = { top: 0, left: 0 };\n\n\t\t// Fixed elements are offset from window (parentOffset = {top:0, left: 0},\n\t\t// because it is its only offset parent\n\t\tif ( jQuery.css( elem, \"position\" ) === \"fixed\" ) {\n\n\t\t\t// Assume getBoundingClientRect is there when computed position is fixed\n\t\t\toffset = elem.getBoundingClientRect();\n\n\t\t} else {\n\n\t\t\t// Get *real* offsetParent\n\t\t\toffsetParent = this.offsetParent();\n\n\t\t\t// Get correct offsets\n\t\t\toffset = this.offset();\n\t\t\tif ( !jQuery.nodeName( offsetParent[ 0 ], \"html\" ) ) {\n\t\t\t\tparentOffset = offsetParent.offset();\n\t\t\t}\n\n\t\t\t// Add offsetParent borders\n\t\t\t// Subtract offsetParent scroll positions\n\t\t\tparentOffset.top += jQuery.css( offsetParent[ 0 ], \"borderTopWidth\", true ) -\n\t\t\t\toffsetParent.scrollTop();\n\t\t\tparentOffset.left += jQuery.css( offsetParent[ 0 ], \"borderLeftWidth\", true ) -\n\t\t\t\toffsetParent.scrollLeft();\n\t\t}\n\n\t\t// Subtract parent offsets and element margins\n\t\treturn {\n\t\t\ttop: offset.top - parentOffset.top - jQuery.css( elem, \"marginTop\", true ),\n\t\t\tleft: offset.left - parentOffset.left - jQuery.css( elem, \"marginLeft\", true )\n\t\t};\n\t},\n\n\t// This method will return documentElement in the following cases:\n\t// 1) For the element inside the iframe without offsetParent, this method will return\n\t//    documentElement of the parent window\n\t// 2) For the hidden or detached element\n\t// 3) For body or html element, i.e. in case of the html node - it will return itself\n\t//\n\t// but those exceptions were never presented as a real life use-cases\n\t// and might be considered as more preferable results.\n\t//\n\t// This logic, however, is not guaranteed and can change at any point in the future\n\toffsetParent: function() {\n\t\treturn this.map( function() {\n\t\t\tvar offsetParent = this.offsetParent;\n\n\t\t\twhile ( offsetParent && jQuery.css( offsetParent, \"position\" ) === \"static\" ) {\n\t\t\t\toffsetParent = offsetParent.offsetParent;\n\t\t\t}\n\n\t\t\treturn offsetParent || documentElement;\n\t\t} );\n\t}\n} );\n\n// Create scrollLeft and scrollTop methods\njQuery.each( { scrollLeft: \"pageXOffset\", scrollTop: \"pageYOffset\" }, function( method, prop ) {\n\tvar top = \"pageYOffset\" === prop;\n\n\tjQuery.fn[ method ] = function( val ) {\n\t\treturn access( this, function( elem, method, val ) {\n\t\t\tvar win = getWindow( elem );\n\n\t\t\tif ( val === undefined ) {\n\t\t\t\treturn win ? win[ prop ] : elem[ method ];\n\t\t\t}\n\n\t\t\tif ( win ) {\n\t\t\t\twin.scrollTo(\n\t\t\t\t\t!top ? val : win.pageXOffset,\n\t\t\t\t\ttop ? val : win.pageYOffset\n\t\t\t\t);\n\n\t\t\t} else {\n\t\t\t\telem[ method ] = val;\n\t\t\t}\n\t\t}, method, val, arguments.length );\n\t};\n} );\n\n// Support: Safari<7-8+, Chrome<37-44+\n// Add the top/left cssHooks using jQuery.fn.position\n// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084\n// Blink bug: https://code.google.com/p/chromium/issues/detail?id=229280\n// getComputedStyle returns percent when specified for top/left/bottom/right;\n// rather than make the css module depend on the offset module, just check for it here\njQuery.each( [ \"top\", \"left\" ], function( i, prop ) {\n\tjQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,\n\t\tfunction( elem, computed ) {\n\t\t\tif ( computed ) {\n\t\t\t\tcomputed = curCSS( elem, prop );\n\n\t\t\t\t// If curCSS returns percentage, fallback to offset\n\t\t\t\treturn rnumnonpx.test( computed ) ?\n\t\t\t\t\tjQuery( elem ).position()[ prop ] + \"px\" :\n\t\t\t\t\tcomputed;\n\t\t\t}\n\t\t}\n\t);\n} );\n\n\n// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods\njQuery.each( { Height: \"height\", Width: \"width\" }, function( name, type ) {\n\tjQuery.each( { padding: \"inner\" + name, content: type, \"\": \"outer\" + name },\n\t\tfunction( defaultExtra, funcName ) {\n\n\t\t// Margin is only for outerHeight, outerWidth\n\t\tjQuery.fn[ funcName ] = function( margin, value ) {\n\t\t\tvar chainable = arguments.length && ( defaultExtra || typeof margin !== \"boolean\" ),\n\t\t\t\textra = defaultExtra || ( margin === true || value === true ? \"margin\" : \"border\" );\n\n\t\t\treturn access( this, function( elem, type, value ) {\n\t\t\t\tvar doc;\n\n\t\t\t\tif ( jQuery.isWindow( elem ) ) {\n\n\t\t\t\t\t// As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there\n\t\t\t\t\t// isn't a whole lot we can do. See pull request at this URL for discussion:\n\t\t\t\t\t// https://github.com/jquery/jquery/pull/764\n\t\t\t\t\treturn elem.document.documentElement[ \"client\" + name ];\n\t\t\t\t}\n\n\t\t\t\t// Get document width or height\n\t\t\t\tif ( elem.nodeType === 9 ) {\n\t\t\t\t\tdoc = elem.documentElement;\n\n\t\t\t\t\t// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],\n\t\t\t\t\t// whichever is greatest\n\t\t\t\t\treturn Math.max(\n\t\t\t\t\t\telem.body[ \"scroll\" + name ], doc[ \"scroll\" + name ],\n\t\t\t\t\t\telem.body[ \"offset\" + name ], doc[ \"offset\" + name ],\n\t\t\t\t\t\tdoc[ \"client\" + name ]\n\t\t\t\t\t);\n\t\t\t\t}\n\n\t\t\t\treturn value === undefined ?\n\n\t\t\t\t\t// Get width or height on the element, requesting but not forcing parseFloat\n\t\t\t\t\tjQuery.css( elem, type, extra ) :\n\n\t\t\t\t\t// Set width or height on the element\n\t\t\t\t\tjQuery.style( elem, type, value, extra );\n\t\t\t}, type, chainable ? margin : undefined, chainable, null );\n\t\t};\n\t} );\n} );\n\n\njQuery.fn.extend( {\n\n\tbind: function( types, data, fn ) {\n\t\treturn this.on( types, null, data, fn );\n\t},\n\tunbind: function( types, fn ) {\n\t\treturn this.off( types, null, fn );\n\t},\n\n\tdelegate: function( selector, types, data, fn ) {\n\t\treturn this.on( types, selector, data, fn );\n\t},\n\tundelegate: function( selector, types, fn ) {\n\n\t\t// ( namespace ) or ( selector, types [, fn] )\n\t\treturn arguments.length === 1 ?\n\t\t\tthis.off( selector, \"**\" ) :\n\t\t\tthis.off( types, selector || \"**\", fn );\n\t},\n\tsize: function() {\n\t\treturn this.length;\n\t}\n} );\n\njQuery.fn.andSelf = jQuery.fn.addBack;\n\n\n\n\n// Register as a named AMD module, since jQuery can be concatenated with other\n// files that may use define, but not via a proper concatenation script that\n// understands anonymous AMD modules. A named AMD is safest and most robust\n// way to register. Lowercase jquery is used because AMD module names are\n// derived from file names, and jQuery is normally delivered in a lowercase\n// file name. Do this after creating the global so that if an AMD module wants\n// to call noConflict to hide this version of jQuery, it will work.\n\n// Note that for maximum portability, libraries that are not jQuery should\n// declare themselves as anonymous modules, and avoid setting a global if an\n// AMD loader is present. jQuery is a special case. For more information, see\n// https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon\n\nif ( typeof define === \"function\" && define.amd ) {\n\tdefine( \"jquery\", [], function() {\n\t\treturn jQuery;\n\t} );\n}\n\n\n\nvar\n\n\t// Map over jQuery in case of overwrite\n\t_jQuery = window.jQuery,\n\n\t// Map over the $ in case of overwrite\n\t_$ = window.$;\n\njQuery.noConflict = function( deep ) {\n\tif ( window.$ === jQuery ) {\n\t\twindow.$ = _$;\n\t}\n\n\tif ( deep && window.jQuery === jQuery ) {\n\t\twindow.jQuery = _jQuery;\n\t}\n\n\treturn jQuery;\n};\n\n// Expose jQuery and $ identifiers, even in AMD\n// (#7102#comment:10, https://github.com/jquery/jquery/pull/557)\n// and CommonJS for browser emulators (#13566)\nif ( !noGlobal ) {\n\twindow.jQuery = window.$ = jQuery;\n}\n\nreturn jQuery;\n}));\n","/* ========================================================================\n * Bootstrap: alert.js v3.3.6\n * http://getbootstrap.com/javascript/#alerts\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // ALERT CLASS DEFINITION\n  // ======================\n\n  var dismiss = '[data-dismiss=\"alert\"]'\n  var Alert   = function (el) {\n    $(el).on('click', dismiss, this.close)\n  }\n\n  Alert.VERSION = '3.3.6'\n\n  Alert.TRANSITION_DURATION = 150\n\n  Alert.prototype.close = function (e) {\n    var $this    = $(this)\n    var selector = $this.attr('data-target')\n\n    if (!selector) {\n      selector = $this.attr('href')\n      selector = selector && selector.replace(/.*(?=#[^\\s]*$)/, '') // strip for ie7\n    }\n\n    var $parent = $(selector)\n\n    if (e) e.preventDefault()\n\n    if (!$parent.length) {\n      $parent = $this.closest('.alert')\n    }\n\n    $parent.trigger(e = $.Event('close.bs.alert'))\n\n    if (e.isDefaultPrevented()) return\n\n    $parent.removeClass('in')\n\n    function removeElement() {\n      // detach from parent, fire event then clean up data\n      $parent.detach().trigger('closed.bs.alert').remove()\n    }\n\n    $.support.transition && $parent.hasClass('fade') ?\n      $parent\n        .one('bsTransitionEnd', removeElement)\n        .emulateTransitionEnd(Alert.TRANSITION_DURATION) :\n      removeElement()\n  }\n\n\n  // ALERT PLUGIN DEFINITION\n  // =======================\n\n  function Plugin(option) {\n    return this.each(function () {\n      var $this = $(this)\n      var data  = $this.data('bs.alert')\n\n      if (!data) $this.data('bs.alert', (data = new Alert(this)))\n      if (typeof option == 'string') data[option].call($this)\n    })\n  }\n\n  var old = $.fn.alert\n\n  $.fn.alert             = Plugin\n  $.fn.alert.Constructor = Alert\n\n\n  // ALERT NO CONFLICT\n  // =================\n\n  $.fn.alert.noConflict = function () {\n    $.fn.alert = old\n    return this\n  }\n\n\n  // ALERT DATA-API\n  // ==============\n\n  $(document).on('click.bs.alert.data-api', dismiss, Alert.prototype.close)\n\n}(jQuery);\n","/* ========================================================================\n * Bootstrap: button.js v3.3.6\n * http://getbootstrap.com/javascript/#buttons\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // BUTTON PUBLIC CLASS DEFINITION\n  // ==============================\n\n  var Button = function (element, options) {\n    this.$element  = $(element)\n    this.options   = $.extend({}, Button.DEFAULTS, options)\n    this.isLoading = false\n  }\n\n  Button.VERSION  = '3.3.6'\n\n  Button.DEFAULTS = {\n    loadingText: 'loading...'\n  }\n\n  Button.prototype.setState = function (state) {\n    var d    = 'disabled'\n    var $el  = this.$element\n    var val  = $el.is('input') ? 'val' : 'html'\n    var data = $el.data()\n\n    state += 'Text'\n\n    if (data.resetText == null) $el.data('resetText', $el[val]())\n\n    // push to event loop to allow forms to submit\n    setTimeout($.proxy(function () {\n      $el[val](data[state] == null ? this.options[state] : data[state])\n\n      if (state == 'loadingText') {\n        this.isLoading = true\n        $el.addClass(d).attr(d, d)\n      } else if (this.isLoading) {\n        this.isLoading = false\n        $el.removeClass(d).removeAttr(d)\n      }\n    }, this), 0)\n  }\n\n  Button.prototype.toggle = function () {\n    var changed = true\n    var $parent = this.$element.closest('[data-toggle=\"buttons\"]')\n\n    if ($parent.length) {\n      var $input = this.$element.find('input')\n      if ($input.prop('type') == 'radio') {\n        if ($input.prop('checked')) changed = false\n        $parent.find('.active').removeClass('active')\n        this.$element.addClass('active')\n      } else if ($input.prop('type') == 'checkbox') {\n        if (($input.prop('checked')) !== this.$element.hasClass('active')) changed = false\n        this.$element.toggleClass('active')\n      }\n      $input.prop('checked', this.$element.hasClass('active'))\n      if (changed) $input.trigger('change')\n    } else {\n      this.$element.attr('aria-pressed', !this.$element.hasClass('active'))\n      this.$element.toggleClass('active')\n    }\n  }\n\n\n  // BUTTON PLUGIN DEFINITION\n  // ========================\n\n  function Plugin(option) {\n    return this.each(function () {\n      var $this   = $(this)\n      var data    = $this.data('bs.button')\n      var options = typeof option == 'object' && option\n\n      if (!data) $this.data('bs.button', (data = new Button(this, options)))\n\n      if (option == 'toggle') data.toggle()\n      else if (option) data.setState(option)\n    })\n  }\n\n  var old = $.fn.button\n\n  $.fn.button             = Plugin\n  $.fn.button.Constructor = Button\n\n\n  // BUTTON NO CONFLICT\n  // ==================\n\n  $.fn.button.noConflict = function () {\n    $.fn.button = old\n    return this\n  }\n\n\n  // BUTTON DATA-API\n  // ===============\n\n  $(document)\n    .on('click.bs.button.data-api', '[data-toggle^=\"button\"]', function (e) {\n      var $btn = $(e.target)\n      if (!$btn.hasClass('btn')) $btn = $btn.closest('.btn')\n      Plugin.call($btn, 'toggle')\n      if (!($(e.target).is('input[type=\"radio\"]') || $(e.target).is('input[type=\"checkbox\"]'))) e.preventDefault()\n    })\n    .on('focus.bs.button.data-api blur.bs.button.data-api', '[data-toggle^=\"button\"]', function (e) {\n      $(e.target).closest('.btn').toggleClass('focus', /^focus(in)?$/.test(e.type))\n    })\n\n}(jQuery);\n","/* ========================================================================\n * Bootstrap: collapse.js v3.3.6\n * http://getbootstrap.com/javascript/#collapse\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // COLLAPSE PUBLIC CLASS DEFINITION\n  // ================================\n\n  var Collapse = function (element, options) {\n    this.$element      = $(element)\n    this.options       = $.extend({}, Collapse.DEFAULTS, options)\n    this.$trigger      = $('[data-toggle=\"collapse\"][href=\"#' + element.id + '\"],' +\n                           '[data-toggle=\"collapse\"][data-target=\"#' + element.id + '\"]')\n    this.transitioning = null\n\n    if (this.options.parent) {\n      this.$parent = this.getParent()\n    } else {\n      this.addAriaAndCollapsedClass(this.$element, this.$trigger)\n    }\n\n    if (this.options.toggle) this.toggle()\n  }\n\n  Collapse.VERSION  = '3.3.6'\n\n  Collapse.TRANSITION_DURATION = 350\n\n  Collapse.DEFAULTS = {\n    toggle: true\n  }\n\n  Collapse.prototype.dimension = function () {\n    var hasWidth = this.$element.hasClass('width')\n    return hasWidth ? 'width' : 'height'\n  }\n\n  Collapse.prototype.show = function () {\n    if (this.transitioning || this.$element.hasClass('in')) return\n\n    var activesData\n    var actives = this.$parent && this.$parent.children('.panel').children('.in, .collapsing')\n\n    if (actives && actives.length) {\n      activesData = actives.data('bs.collapse')\n      if (activesData && activesData.transitioning) return\n    }\n\n    var startEvent = $.Event('show.bs.collapse')\n    this.$element.trigger(startEvent)\n    if (startEvent.isDefaultPrevented()) return\n\n    if (actives && actives.length) {\n      Plugin.call(actives, 'hide')\n      activesData || actives.data('bs.collapse', null)\n    }\n\n    var dimension = this.dimension()\n\n    this.$element\n      .removeClass('collapse')\n      .addClass('collapsing')[dimension](0)\n      .attr('aria-expanded', true)\n\n    this.$trigger\n      .removeClass('collapsed')\n      .attr('aria-expanded', true)\n\n    this.transitioning = 1\n\n    var complete = function () {\n      this.$element\n        .removeClass('collapsing')\n        .addClass('collapse in')[dimension]('')\n      this.transitioning = 0\n      this.$element\n        .trigger('shown.bs.collapse')\n    }\n\n    if (!$.support.transition) return complete.call(this)\n\n    var scrollSize = $.camelCase(['scroll', dimension].join('-'))\n\n    this.$element\n      .one('bsTransitionEnd', $.proxy(complete, this))\n      .emulateTransitionEnd(Collapse.TRANSITION_DURATION)[dimension](this.$element[0][scrollSize])\n  }\n\n  Collapse.prototype.hide = function () {\n    if (this.transitioning || !this.$element.hasClass('in')) return\n\n    var startEvent = $.Event('hide.bs.collapse')\n    this.$element.trigger(startEvent)\n    if (startEvent.isDefaultPrevented()) return\n\n    var dimension = this.dimension()\n\n    this.$element[dimension](this.$element[dimension]())[0].offsetHeight\n\n    this.$element\n      .addClass('collapsing')\n      .removeClass('collapse in')\n      .attr('aria-expanded', false)\n\n    this.$trigger\n      .addClass('collapsed')\n      .attr('aria-expanded', false)\n\n    this.transitioning = 1\n\n    var complete = function () {\n      this.transitioning = 0\n      this.$element\n        .removeClass('collapsing')\n        .addClass('collapse')\n        .trigger('hidden.bs.collapse')\n    }\n\n    if (!$.support.transition) return complete.call(this)\n\n    this.$element\n      [dimension](0)\n      .one('bsTransitionEnd', $.proxy(complete, this))\n      .emulateTransitionEnd(Collapse.TRANSITION_DURATION)\n  }\n\n  Collapse.prototype.toggle = function () {\n    this[this.$element.hasClass('in') ? 'hide' : 'show']()\n  }\n\n  Collapse.prototype.getParent = function () {\n    return $(this.options.parent)\n      .find('[data-toggle=\"collapse\"][data-parent=\"' + this.options.parent + '\"]')\n      .each($.proxy(function (i, element) {\n        var $element = $(element)\n        this.addAriaAndCollapsedClass(getTargetFromTrigger($element), $element)\n      }, this))\n      .end()\n  }\n\n  Collapse.prototype.addAriaAndCollapsedClass = function ($element, $trigger) {\n    var isOpen = $element.hasClass('in')\n\n    $element.attr('aria-expanded', isOpen)\n    $trigger\n      .toggleClass('collapsed', !isOpen)\n      .attr('aria-expanded', isOpen)\n  }\n\n  function getTargetFromTrigger($trigger) {\n    var href\n    var target = $trigger.attr('data-target')\n      || (href = $trigger.attr('href')) && href.replace(/.*(?=#[^\\s]+$)/, '') // strip for ie7\n\n    return $(target)\n  }\n\n\n  // COLLAPSE PLUGIN DEFINITION\n  // ==========================\n\n  function Plugin(option) {\n    return this.each(function () {\n      var $this   = $(this)\n      var data    = $this.data('bs.collapse')\n      var options = $.extend({}, Collapse.DEFAULTS, $this.data(), typeof option == 'object' && option)\n\n      if (!data && options.toggle && /show|hide/.test(option)) options.toggle = false\n      if (!data) $this.data('bs.collapse', (data = new Collapse(this, options)))\n      if (typeof option == 'string') data[option]()\n    })\n  }\n\n  var old = $.fn.collapse\n\n  $.fn.collapse             = Plugin\n  $.fn.collapse.Constructor = Collapse\n\n\n  // COLLAPSE NO CONFLICT\n  // ====================\n\n  $.fn.collapse.noConflict = function () {\n    $.fn.collapse = old\n    return this\n  }\n\n\n  // COLLAPSE DATA-API\n  // =================\n\n  $(document).on('click.bs.collapse.data-api', '[data-toggle=\"collapse\"]', function (e) {\n    var $this   = $(this)\n\n    if (!$this.attr('data-target')) e.preventDefault()\n\n    var $target = getTargetFromTrigger($this)\n    var data    = $target.data('bs.collapse')\n    var option  = data ? 'toggle' : $this.data()\n\n    Plugin.call($target, option)\n  })\n\n}(jQuery);\n","/* ========================================================================\n * Bootstrap: dropdown.js v3.3.6\n * http://getbootstrap.com/javascript/#dropdowns\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // DROPDOWN CLASS DEFINITION\n  // =========================\n\n  var backdrop = '.dropdown-backdrop'\n  var toggle   = '[data-toggle=\"dropdown\"]'\n  var Dropdown = function (element) {\n    $(element).on('click.bs.dropdown', this.toggle)\n  }\n\n  Dropdown.VERSION = '3.3.6'\n\n  function getParent($this) {\n    var selector = $this.attr('data-target')\n\n    if (!selector) {\n      selector = $this.attr('href')\n      selector = selector && /#[A-Za-z]/.test(selector) && selector.replace(/.*(?=#[^\\s]*$)/, '') // strip for ie7\n    }\n\n    var $parent = selector && $(selector)\n\n    return $parent && $parent.length ? $parent : $this.parent()\n  }\n\n  function clearMenus(e) {\n    if (e && e.which === 3) return\n    $(backdrop).remove()\n    $(toggle).each(function () {\n      var $this         = $(this)\n      var $parent       = getParent($this)\n      var relatedTarget = { relatedTarget: this }\n\n      if (!$parent.hasClass('open')) return\n\n      if (e && e.type == 'click' && /input|textarea/i.test(e.target.tagName) && $.contains($parent[0], e.target)) return\n\n      $parent.trigger(e = $.Event('hide.bs.dropdown', relatedTarget))\n\n      if (e.isDefaultPrevented()) return\n\n      $this.attr('aria-expanded', 'false')\n      $parent.removeClass('open').trigger($.Event('hidden.bs.dropdown', relatedTarget))\n    })\n  }\n\n  Dropdown.prototype.toggle = function (e) {\n    var $this = $(this)\n\n    if ($this.is('.disabled, :disabled')) return\n\n    var $parent  = getParent($this)\n    var isActive = $parent.hasClass('open')\n\n    clearMenus()\n\n    if (!isActive) {\n      if ('ontouchstart' in document.documentElement && !$parent.closest('.navbar-nav').length) {\n        // if mobile we use a backdrop because click events don't delegate\n        $(document.createElement('div'))\n          .addClass('dropdown-backdrop')\n          .insertAfter($(this))\n          .on('click', clearMenus)\n      }\n\n      var relatedTarget = { relatedTarget: this }\n      $parent.trigger(e = $.Event('show.bs.dropdown', relatedTarget))\n\n      if (e.isDefaultPrevented()) return\n\n      $this\n        .trigger('focus')\n        .attr('aria-expanded', 'true')\n\n      $parent\n        .toggleClass('open')\n        .trigger($.Event('shown.bs.dropdown', relatedTarget))\n    }\n\n    return false\n  }\n\n  Dropdown.prototype.keydown = function (e) {\n    if (!/(38|40|27|32)/.test(e.which) || /input|textarea/i.test(e.target.tagName)) return\n\n    var $this = $(this)\n\n    e.preventDefault()\n    e.stopPropagation()\n\n    if ($this.is('.disabled, :disabled')) return\n\n    var $parent  = getParent($this)\n    var isActive = $parent.hasClass('open')\n\n    if (!isActive && e.which != 27 || isActive && e.which == 27) {\n      if (e.which == 27) $parent.find(toggle).trigger('focus')\n      return $this.trigger('click')\n    }\n\n    var desc = ' li:not(.disabled):visible a'\n    var $items = $parent.find('.dropdown-menu' + desc)\n\n    if (!$items.length) return\n\n    var index = $items.index(e.target)\n\n    if (e.which == 38 && index > 0)                 index--         // up\n    if (e.which == 40 && index < $items.length - 1) index++         // down\n    if (!~index)                                    index = 0\n\n    $items.eq(index).trigger('focus')\n  }\n\n\n  // DROPDOWN PLUGIN DEFINITION\n  // ==========================\n\n  function Plugin(option) {\n    return this.each(function () {\n      var $this = $(this)\n      var data  = $this.data('bs.dropdown')\n\n      if (!data) $this.data('bs.dropdown', (data = new Dropdown(this)))\n      if (typeof option == 'string') data[option].call($this)\n    })\n  }\n\n  var old = $.fn.dropdown\n\n  $.fn.dropdown             = Plugin\n  $.fn.dropdown.Constructor = Dropdown\n\n\n  // DROPDOWN NO CONFLICT\n  // ====================\n\n  $.fn.dropdown.noConflict = function () {\n    $.fn.dropdown = old\n    return this\n  }\n\n\n  // APPLY TO STANDARD DROPDOWN ELEMENTS\n  // ===================================\n\n  $(document)\n    .on('click.bs.dropdown.data-api', clearMenus)\n    .on('click.bs.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() })\n    .on('click.bs.dropdown.data-api', toggle, Dropdown.prototype.toggle)\n    .on('keydown.bs.dropdown.data-api', toggle, Dropdown.prototype.keydown)\n    .on('keydown.bs.dropdown.data-api', '.dropdown-menu', Dropdown.prototype.keydown)\n\n}(jQuery);\n","/* ========================================================================\n * Bootstrap: modal.js v3.3.6\n * http://getbootstrap.com/javascript/#modals\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // MODAL CLASS DEFINITION\n  // ======================\n\n  var Modal = function (element, options) {\n    this.options             = options\n    this.$body               = $(document.body)\n    this.$element            = $(element)\n    this.$dialog             = this.$element.find('.modal-dialog')\n    this.$backdrop           = null\n    this.isShown             = null\n    this.originalBodyPad     = null\n    this.scrollbarWidth      = 0\n    this.ignoreBackdropClick = false\n\n    if (this.options.remote) {\n      this.$element\n        .find('.modal-content')\n        .load(this.options.remote, $.proxy(function () {\n          this.$element.trigger('loaded.bs.modal')\n        }, this))\n    }\n  }\n\n  Modal.VERSION  = '3.3.6'\n\n  Modal.TRANSITION_DURATION = 300\n  Modal.BACKDROP_TRANSITION_DURATION = 150\n\n  Modal.DEFAULTS = {\n    backdrop: true,\n    keyboard: true,\n    show: true\n  }\n\n  Modal.prototype.toggle = function (_relatedTarget) {\n    return this.isShown ? this.hide() : this.show(_relatedTarget)\n  }\n\n  Modal.prototype.show = function (_relatedTarget) {\n    var that = this\n    var e    = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })\n\n    this.$element.trigger(e)\n\n    if (this.isShown || e.isDefaultPrevented()) return\n\n    this.isShown = true\n\n    this.checkScrollbar()\n    this.setScrollbar()\n    this.$body.addClass('modal-open')\n\n    this.escape()\n    this.resize()\n\n    this.$element.on('click.dismiss.bs.modal', '[data-dismiss=\"modal\"]', $.proxy(this.hide, this))\n\n    this.$dialog.on('mousedown.dismiss.bs.modal', function () {\n      that.$element.one('mouseup.dismiss.bs.modal', function (e) {\n        if ($(e.target).is(that.$element)) that.ignoreBackdropClick = true\n      })\n    })\n\n    this.backdrop(function () {\n      var transition = $.support.transition && that.$element.hasClass('fade')\n\n      if (!that.$element.parent().length) {\n        that.$element.appendTo(that.$body) // don't move modals dom position\n      }\n\n      that.$element\n        .show()\n        .scrollTop(0)\n\n      that.adjustDialog()\n\n      if (transition) {\n        that.$element[0].offsetWidth // force reflow\n      }\n\n      that.$element.addClass('in')\n\n      that.enforceFocus()\n\n      var e = $.Event('shown.bs.modal', { relatedTarget: _relatedTarget })\n\n      transition ?\n        that.$dialog // wait for modal to slide in\n          .one('bsTransitionEnd', function () {\n            that.$element.trigger('focus').trigger(e)\n          })\n          .emulateTransitionEnd(Modal.TRANSITION_DURATION) :\n        that.$element.trigger('focus').trigger(e)\n    })\n  }\n\n  Modal.prototype.hide = function (e) {\n    if (e) e.preventDefault()\n\n    e = $.Event('hide.bs.modal')\n\n    this.$element.trigger(e)\n\n    if (!this.isShown || e.isDefaultPrevented()) return\n\n    this.isShown = false\n\n    this.escape()\n    this.resize()\n\n    $(document).off('focusin.bs.modal')\n\n    this.$element\n      .removeClass('in')\n      .off('click.dismiss.bs.modal')\n      .off('mouseup.dismiss.bs.modal')\n\n    this.$dialog.off('mousedown.dismiss.bs.modal')\n\n    $.support.transition && this.$element.hasClass('fade') ?\n      this.$element\n        .one('bsTransitionEnd', $.proxy(this.hideModal, this))\n        .emulateTransitionEnd(Modal.TRANSITION_DURATION) :\n      this.hideModal()\n  }\n\n  Modal.prototype.enforceFocus = function () {\n    $(document)\n      .off('focusin.bs.modal') // guard against infinite focus loop\n      .on('focusin.bs.modal', $.proxy(function (e) {\n        if (this.$element[0] !== e.target && !this.$element.has(e.target).length) {\n          this.$element.trigger('focus')\n        }\n      }, this))\n  }\n\n  Modal.prototype.escape = function () {\n    if (this.isShown && this.options.keyboard) {\n      this.$element.on('keydown.dismiss.bs.modal', $.proxy(function (e) {\n        e.which == 27 && this.hide()\n      }, this))\n    } else if (!this.isShown) {\n      this.$element.off('keydown.dismiss.bs.modal')\n    }\n  }\n\n  Modal.prototype.resize = function () {\n    if (this.isShown) {\n      $(window).on('resize.bs.modal', $.proxy(this.handleUpdate, this))\n    } else {\n      $(window).off('resize.bs.modal')\n    }\n  }\n\n  Modal.prototype.hideModal = function () {\n    var that = this\n    this.$element.hide()\n    this.backdrop(function () {\n      that.$body.removeClass('modal-open')\n      that.resetAdjustments()\n      that.resetScrollbar()\n      that.$element.trigger('hidden.bs.modal')\n    })\n  }\n\n  Modal.prototype.removeBackdrop = function () {\n    this.$backdrop && this.$backdrop.remove()\n    this.$backdrop = null\n  }\n\n  Modal.prototype.backdrop = function (callback) {\n    var that = this\n    var animate = this.$element.hasClass('fade') ? 'fade' : ''\n\n    if (this.isShown && this.options.backdrop) {\n      var doAnimate = $.support.transition && animate\n\n      this.$backdrop = $(document.createElement('div'))\n        .addClass('modal-backdrop ' + animate)\n        .appendTo(this.$body)\n\n      this.$element.on('click.dismiss.bs.modal', $.proxy(function (e) {\n        if (this.ignoreBackdropClick) {\n          this.ignoreBackdropClick = false\n          return\n        }\n        if (e.target !== e.currentTarget) return\n        this.options.backdrop == 'static'\n          ? this.$element[0].focus()\n          : this.hide()\n      }, this))\n\n      if (doAnimate) this.$backdrop[0].offsetWidth // force reflow\n\n      this.$backdrop.addClass('in')\n\n      if (!callback) return\n\n      doAnimate ?\n        this.$backdrop\n          .one('bsTransitionEnd', callback)\n          .emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) :\n        callback()\n\n    } else if (!this.isShown && this.$backdrop) {\n      this.$backdrop.removeClass('in')\n\n      var callbackRemove = function () {\n        that.removeBackdrop()\n        callback && callback()\n      }\n      $.support.transition && this.$element.hasClass('fade') ?\n        this.$backdrop\n          .one('bsTransitionEnd', callbackRemove)\n          .emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) :\n        callbackRemove()\n\n    } else if (callback) {\n      callback()\n    }\n  }\n\n  // these following methods are used to handle overflowing modals\n\n  Modal.prototype.handleUpdate = function () {\n    this.adjustDialog()\n  }\n\n  Modal.prototype.adjustDialog = function () {\n    var modalIsOverflowing = this.$element[0].scrollHeight > document.documentElement.clientHeight\n\n    this.$element.css({\n      paddingLeft:  !this.bodyIsOverflowing && modalIsOverflowing ? this.scrollbarWidth : '',\n      paddingRight: this.bodyIsOverflowing && !modalIsOverflowing ? this.scrollbarWidth : ''\n    })\n  }\n\n  Modal.prototype.resetAdjustments = function () {\n    this.$element.css({\n      paddingLeft: '',\n      paddingRight: ''\n    })\n  }\n\n  Modal.prototype.checkScrollbar = function () {\n    var fullWindowWidth = window.innerWidth\n    if (!fullWindowWidth) { // workaround for missing window.innerWidth in IE8\n      var documentElementRect = document.documentElement.getBoundingClientRect()\n      fullWindowWidth = documentElementRect.right - Math.abs(documentElementRect.left)\n    }\n    this.bodyIsOverflowing = document.body.clientWidth < fullWindowWidth\n    this.scrollbarWidth = this.measureScrollbar()\n  }\n\n  Modal.prototype.setScrollbar = function () {\n    var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10)\n    this.originalBodyPad = document.body.style.paddingRight || ''\n    if (this.bodyIsOverflowing) this.$body.css('padding-right', bodyPad + this.scrollbarWidth)\n  }\n\n  Modal.prototype.resetScrollbar = function () {\n    this.$body.css('padding-right', this.originalBodyPad)\n  }\n\n  Modal.prototype.measureScrollbar = function () { // thx walsh\n    var scrollDiv = document.createElement('div')\n    scrollDiv.className = 'modal-scrollbar-measure'\n    this.$body.append(scrollDiv)\n    var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth\n    this.$body[0].removeChild(scrollDiv)\n    return scrollbarWidth\n  }\n\n\n  // MODAL PLUGIN DEFINITION\n  // =======================\n\n  function Plugin(option, _relatedTarget) {\n    return this.each(function () {\n      var $this   = $(this)\n      var data    = $this.data('bs.modal')\n      var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option == 'object' && option)\n\n      if (!data) $this.data('bs.modal', (data = new Modal(this, options)))\n      if (typeof option == 'string') data[option](_relatedTarget)\n      else if (options.show) data.show(_relatedTarget)\n    })\n  }\n\n  var old = $.fn.modal\n\n  $.fn.modal             = Plugin\n  $.fn.modal.Constructor = Modal\n\n\n  // MODAL NO CONFLICT\n  // =================\n\n  $.fn.modal.noConflict = function () {\n    $.fn.modal = old\n    return this\n  }\n\n\n  // MODAL DATA-API\n  // ==============\n\n  $(document).on('click.bs.modal.data-api', '[data-toggle=\"modal\"]', function (e) {\n    var $this   = $(this)\n    var href    = $this.attr('href')\n    var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\\s]+$)/, ''))) // strip for ie7\n    var option  = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())\n\n    if ($this.is('a')) e.preventDefault()\n\n    $target.one('show.bs.modal', function (showEvent) {\n      if (showEvent.isDefaultPrevented()) return // only register focus restorer if modal will actually get shown\n      $target.one('hidden.bs.modal', function () {\n        $this.is(':visible') && $this.trigger('focus')\n      })\n    })\n    Plugin.call($target, option, this)\n  })\n\n}(jQuery);\n","/* ========================================================================\n * Bootstrap: tooltip.js v3.3.6\n * http://getbootstrap.com/javascript/#tooltip\n * Inspired by the original jQuery.tipsy by Jason Frame\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // TOOLTIP PUBLIC CLASS DEFINITION\n  // ===============================\n\n  var Tooltip = function (element, options) {\n    this.type       = null\n    this.options    = null\n    this.enabled    = null\n    this.timeout    = null\n    this.hoverState = null\n    this.$element   = null\n    this.inState    = null\n\n    this.init('tooltip', element, options)\n  }\n\n  Tooltip.VERSION  = '3.3.6'\n\n  Tooltip.TRANSITION_DURATION = 150\n\n  Tooltip.DEFAULTS = {\n    animation: true,\n    placement: 'top',\n    selector: false,\n    template: '<div class=\"tooltip\" role=\"tooltip\"><div class=\"tooltip-arrow\"></div><div class=\"tooltip-inner\"></div></div>',\n    trigger: 'hover focus',\n    title: '',\n    delay: 0,\n    html: false,\n    container: false,\n    viewport: {\n      selector: 'body',\n      padding: 0\n    }\n  }\n\n  Tooltip.prototype.init = function (type, element, options) {\n    this.enabled   = true\n    this.type      = type\n    this.$element  = $(element)\n    this.options   = this.getOptions(options)\n    this.$viewport = this.options.viewport && $($.isFunction(this.options.viewport) ? this.options.viewport.call(this, this.$element) : (this.options.viewport.selector || this.options.viewport))\n    this.inState   = { click: false, hover: false, focus: false }\n\n    if (this.$element[0] instanceof document.constructor && !this.options.selector) {\n      throw new Error('`selector` option must be specified when initializing ' + this.type + ' on the window.document object!')\n    }\n\n    var triggers = this.options.trigger.split(' ')\n\n    for (var i = triggers.length; i--;) {\n      var trigger = triggers[i]\n\n      if (trigger == 'click') {\n        this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))\n      } else if (trigger != 'manual') {\n        var eventIn  = trigger == 'hover' ? 'mouseenter' : 'focusin'\n        var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout'\n\n        this.$element.on(eventIn  + '.' + this.type, this.options.selector, $.proxy(this.enter, this))\n        this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))\n      }\n    }\n\n    this.options.selector ?\n      (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :\n      this.fixTitle()\n  }\n\n  Tooltip.prototype.getDefaults = function () {\n    return Tooltip.DEFAULTS\n  }\n\n  Tooltip.prototype.getOptions = function (options) {\n    options = $.extend({}, this.getDefaults(), this.$element.data(), options)\n\n    if (options.delay && typeof options.delay == 'number') {\n      options.delay = {\n        show: options.delay,\n        hide: options.delay\n      }\n    }\n\n    return options\n  }\n\n  Tooltip.prototype.getDelegateOptions = function () {\n    var options  = {}\n    var defaults = this.getDefaults()\n\n    this._options && $.each(this._options, function (key, value) {\n      if (defaults[key] != value) options[key] = value\n    })\n\n    return options\n  }\n\n  Tooltip.prototype.enter = function (obj) {\n    var self = obj instanceof this.constructor ?\n      obj : $(obj.currentTarget).data('bs.' + this.type)\n\n    if (!self) {\n      self = new this.constructor(obj.currentTarget, this.getDelegateOptions())\n      $(obj.currentTarget).data('bs.' + this.type, self)\n    }\n\n    if (obj instanceof $.Event) {\n      self.inState[obj.type == 'focusin' ? 'focus' : 'hover'] = true\n    }\n\n    if (self.tip().hasClass('in') || self.hoverState == 'in') {\n      self.hoverState = 'in'\n      return\n    }\n\n    clearTimeout(self.timeout)\n\n    self.hoverState = 'in'\n\n    if (!self.options.delay || !self.options.delay.show) return self.show()\n\n    self.timeout = setTimeout(function () {\n      if (self.hoverState == 'in') self.show()\n    }, self.options.delay.show)\n  }\n\n  Tooltip.prototype.isInStateTrue = function () {\n    for (var key in this.inState) {\n      if (this.inState[key]) return true\n    }\n\n    return false\n  }\n\n  Tooltip.prototype.leave = function (obj) {\n    var self = obj instanceof this.constructor ?\n      obj : $(obj.currentTarget).data('bs.' + this.type)\n\n    if (!self) {\n      self = new this.constructor(obj.currentTarget, this.getDelegateOptions())\n      $(obj.currentTarget).data('bs.' + this.type, self)\n    }\n\n    if (obj instanceof $.Event) {\n      self.inState[obj.type == 'focusout' ? 'focus' : 'hover'] = false\n    }\n\n    if (self.isInStateTrue()) return\n\n    clearTimeout(self.timeout)\n\n    self.hoverState = 'out'\n\n    if (!self.options.delay || !self.options.delay.hide) return self.hide()\n\n    self.timeout = setTimeout(function () {\n      if (self.hoverState == 'out') self.hide()\n    }, self.options.delay.hide)\n  }\n\n  Tooltip.prototype.show = function () {\n    var e = $.Event('show.bs.' + this.type)\n\n    if (this.hasContent() && this.enabled) {\n      this.$element.trigger(e)\n\n      var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0])\n      if (e.isDefaultPrevented() || !inDom) return\n      var that = this\n\n      var $tip = this.tip()\n\n      var tipId = this.getUID(this.type)\n\n      this.setContent()\n      $tip.attr('id', tipId)\n      this.$element.attr('aria-describedby', tipId)\n\n      if (this.options.animation) $tip.addClass('fade')\n\n      var placement = typeof this.options.placement == 'function' ?\n        this.options.placement.call(this, $tip[0], this.$element[0]) :\n        this.options.placement\n\n      var autoToken = /\\s?auto?\\s?/i\n      var autoPlace = autoToken.test(placement)\n      if (autoPlace) placement = placement.replace(autoToken, '') || 'top'\n\n      $tip\n        .detach()\n        .css({ top: 0, left: 0, display: 'block' })\n        .addClass(placement)\n        .data('bs.' + this.type, this)\n\n      this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)\n      this.$element.trigger('inserted.bs.' + this.type)\n\n      var pos          = this.getPosition()\n      var actualWidth  = $tip[0].offsetWidth\n      var actualHeight = $tip[0].offsetHeight\n\n      if (autoPlace) {\n        var orgPlacement = placement\n        var viewportDim = this.getPosition(this.$viewport)\n\n        placement = placement == 'bottom' && pos.bottom + actualHeight > viewportDim.bottom ? 'top'    :\n                    placement == 'top'    && pos.top    - actualHeight < viewportDim.top    ? 'bottom' :\n                    placement == 'right'  && pos.right  + actualWidth  > viewportDim.width  ? 'left'   :\n                    placement == 'left'   && pos.left   - actualWidth  < viewportDim.left   ? 'right'  :\n                    placement\n\n        $tip\n          .removeClass(orgPlacement)\n          .addClass(placement)\n      }\n\n      var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight)\n\n      this.applyPlacement(calculatedOffset, placement)\n\n      var complete = function () {\n        var prevHoverState = that.hoverState\n        that.$element.trigger('shown.bs.' + that.type)\n        that.hoverState = null\n\n        if (prevHoverState == 'out') that.leave(that)\n      }\n\n      $.support.transition && this.$tip.hasClass('fade') ?\n        $tip\n          .one('bsTransitionEnd', complete)\n          .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :\n        complete()\n    }\n  }\n\n  Tooltip.prototype.applyPlacement = function (offset, placement) {\n    var $tip   = this.tip()\n    var width  = $tip[0].offsetWidth\n    var height = $tip[0].offsetHeight\n\n    // manually read margins because getBoundingClientRect includes difference\n    var marginTop = parseInt($tip.css('margin-top'), 10)\n    var marginLeft = parseInt($tip.css('margin-left'), 10)\n\n    // we must check for NaN for ie 8/9\n    if (isNaN(marginTop))  marginTop  = 0\n    if (isNaN(marginLeft)) marginLeft = 0\n\n    offset.top  += marginTop\n    offset.left += marginLeft\n\n    // $.fn.offset doesn't round pixel values\n    // so we use setOffset directly with our own function B-0\n    $.offset.setOffset($tip[0], $.extend({\n      using: function (props) {\n        $tip.css({\n          top: Math.round(props.top),\n          left: Math.round(props.left)\n        })\n      }\n    }, offset), 0)\n\n    $tip.addClass('in')\n\n    // check to see if placing tip in new offset caused the tip to resize itself\n    var actualWidth  = $tip[0].offsetWidth\n    var actualHeight = $tip[0].offsetHeight\n\n    if (placement == 'top' && actualHeight != height) {\n      offset.top = offset.top + height - actualHeight\n    }\n\n    var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight)\n\n    if (delta.left) offset.left += delta.left\n    else offset.top += delta.top\n\n    var isVertical          = /top|bottom/.test(placement)\n    var arrowDelta          = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight\n    var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight'\n\n    $tip.offset(offset)\n    this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical)\n  }\n\n  Tooltip.prototype.replaceArrow = function (delta, dimension, isVertical) {\n    this.arrow()\n      .css(isVertical ? 'left' : 'top', 50 * (1 - delta / dimension) + '%')\n      .css(isVertical ? 'top' : 'left', '')\n  }\n\n  Tooltip.prototype.setContent = function () {\n    var $tip  = this.tip()\n    var title = this.getTitle()\n\n    $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)\n    $tip.removeClass('fade in top bottom left right')\n  }\n\n  Tooltip.prototype.hide = function (callback) {\n    var that = this\n    var $tip = $(this.$tip)\n    var e    = $.Event('hide.bs.' + this.type)\n\n    function complete() {\n      if (that.hoverState != 'in') $tip.detach()\n      that.$element\n        .removeAttr('aria-describedby')\n        .trigger('hidden.bs.' + that.type)\n      callback && callback()\n    }\n\n    this.$element.trigger(e)\n\n    if (e.isDefaultPrevented()) return\n\n    $tip.removeClass('in')\n\n    $.support.transition && $tip.hasClass('fade') ?\n      $tip\n        .one('bsTransitionEnd', complete)\n        .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :\n      complete()\n\n    this.hoverState = null\n\n    return this\n  }\n\n  Tooltip.prototype.fixTitle = function () {\n    var $e = this.$element\n    if ($e.attr('title') || typeof $e.attr('data-original-title') != 'string') {\n      $e.attr('data-original-title', $e.attr('title') || '').attr('title', '')\n    }\n  }\n\n  Tooltip.prototype.hasContent = function () {\n    return this.getTitle()\n  }\n\n  Tooltip.prototype.getPosition = function ($element) {\n    $element   = $element || this.$element\n\n    var el     = $element[0]\n    var isBody = el.tagName == 'BODY'\n\n    var elRect    = el.getBoundingClientRect()\n    if (elRect.width == null) {\n      // width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093\n      elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top })\n    }\n    var elOffset  = isBody ? { top: 0, left: 0 } : $element.offset()\n    var scroll    = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() }\n    var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null\n\n    return $.extend({}, elRect, scroll, outerDims, elOffset)\n  }\n\n  Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) {\n    return placement == 'bottom' ? { top: pos.top + pos.height,   left: pos.left + pos.width / 2 - actualWidth / 2 } :\n           placement == 'top'    ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } :\n           placement == 'left'   ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } :\n        /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width }\n\n  }\n\n  Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) {\n    var delta = { top: 0, left: 0 }\n    if (!this.$viewport) return delta\n\n    var viewportPadding = this.options.viewport && this.options.viewport.padding || 0\n    var viewportDimensions = this.getPosition(this.$viewport)\n\n    if (/right|left/.test(placement)) {\n      var topEdgeOffset    = pos.top - viewportPadding - viewportDimensions.scroll\n      var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight\n      if (topEdgeOffset < viewportDimensions.top) { // top overflow\n        delta.top = viewportDimensions.top - topEdgeOffset\n      } else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow\n        delta.top = viewportDimensions.top + viewportDimensions.height - bottomEdgeOffset\n      }\n    } else {\n      var leftEdgeOffset  = pos.left - viewportPadding\n      var rightEdgeOffset = pos.left + viewportPadding + actualWidth\n      if (leftEdgeOffset < viewportDimensions.left) { // left overflow\n        delta.left = viewportDimensions.left - leftEdgeOffset\n      } else if (rightEdgeOffset > viewportDimensions.right) { // right overflow\n        delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset\n      }\n    }\n\n    return delta\n  }\n\n  Tooltip.prototype.getTitle = function () {\n    var title\n    var $e = this.$element\n    var o  = this.options\n\n    title = $e.attr('data-original-title')\n      || (typeof o.title == 'function' ? o.title.call($e[0]) :  o.title)\n\n    return title\n  }\n\n  Tooltip.prototype.getUID = function (prefix) {\n    do prefix += ~~(Math.random() * 1000000)\n    while (document.getElementById(prefix))\n    return prefix\n  }\n\n  Tooltip.prototype.tip = function () {\n    if (!this.$tip) {\n      this.$tip = $(this.options.template)\n      if (this.$tip.length != 1) {\n        throw new Error(this.type + ' `template` option must consist of exactly 1 top-level element!')\n      }\n    }\n    return this.$tip\n  }\n\n  Tooltip.prototype.arrow = function () {\n    return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow'))\n  }\n\n  Tooltip.prototype.enable = function () {\n    this.enabled = true\n  }\n\n  Tooltip.prototype.disable = function () {\n    this.enabled = false\n  }\n\n  Tooltip.prototype.toggleEnabled = function () {\n    this.enabled = !this.enabled\n  }\n\n  Tooltip.prototype.toggle = function (e) {\n    var self = this\n    if (e) {\n      self = $(e.currentTarget).data('bs.' + this.type)\n      if (!self) {\n        self = new this.constructor(e.currentTarget, this.getDelegateOptions())\n        $(e.currentTarget).data('bs.' + this.type, self)\n      }\n    }\n\n    if (e) {\n      self.inState.click = !self.inState.click\n      if (self.isInStateTrue()) self.enter(self)\n      else self.leave(self)\n    } else {\n      self.tip().hasClass('in') ? self.leave(self) : self.enter(self)\n    }\n  }\n\n  Tooltip.prototype.destroy = function () {\n    var that = this\n    clearTimeout(this.timeout)\n    this.hide(function () {\n      that.$element.off('.' + that.type).removeData('bs.' + that.type)\n      if (that.$tip) {\n        that.$tip.detach()\n      }\n      that.$tip = null\n      that.$arrow = null\n      that.$viewport = null\n    })\n  }\n\n\n  // TOOLTIP PLUGIN DEFINITION\n  // =========================\n\n  function Plugin(option) {\n    return this.each(function () {\n      var $this   = $(this)\n      var data    = $this.data('bs.tooltip')\n      var options = typeof option == 'object' && option\n\n      if (!data && /destroy|hide/.test(option)) return\n      if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options)))\n      if (typeof option == 'string') data[option]()\n    })\n  }\n\n  var old = $.fn.tooltip\n\n  $.fn.tooltip             = Plugin\n  $.fn.tooltip.Constructor = Tooltip\n\n\n  // TOOLTIP NO CONFLICT\n  // ===================\n\n  $.fn.tooltip.noConflict = function () {\n    $.fn.tooltip = old\n    return this\n  }\n\n}(jQuery);\n","/* ========================================================================\n * Bootstrap: transition.js v3.3.6\n * http://getbootstrap.com/javascript/#transitions\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // CSS TRANSITION SUPPORT (Shoutout: http://www.modernizr.com/)\n  // ============================================================\n\n  function transitionEnd() {\n    var el = document.createElement('bootstrap')\n\n    var transEndEventNames = {\n      WebkitTransition : 'webkitTransitionEnd',\n      MozTransition    : 'transitionend',\n      OTransition      : 'oTransitionEnd otransitionend',\n      transition       : 'transitionend'\n    }\n\n    for (var name in transEndEventNames) {\n      if (el.style[name] !== undefined) {\n        return { end: transEndEventNames[name] }\n      }\n    }\n\n    return false // explicit for ie8 (  ._.)\n  }\n\n  // http://blog.alexmaccaw.com/css-transitions\n  $.fn.emulateTransitionEnd = function (duration) {\n    var called = false\n    var $el = this\n    $(this).one('bsTransitionEnd', function () { called = true })\n    var callback = function () { if (!called) $($el).trigger($.support.transition.end) }\n    setTimeout(callback, duration)\n    return this\n  }\n\n  $(function () {\n    $.support.transition = transitionEnd()\n\n    if (!$.support.transition) return\n\n    $.event.special.bsTransitionEnd = {\n      bindType: $.support.transition.end,\n      delegateType: $.support.transition.end,\n      handle: function (e) {\n        if ($(e.target).is(this)) return e.handleObj.handler.apply(this, arguments)\n      }\n    }\n  })\n\n}(jQuery);\n","/**\n * Timeago is a jQuery plugin that makes it easy to support automatically\n * updating fuzzy timestamps (e.g. \"4 minutes ago\" or \"about 1 day ago\").\n *\n * @name timeago\n * @version 1.5.2\n * @requires jQuery v1.2.3+\n * @author Ryan McGeary\n * @license MIT License - http://www.opensource.org/licenses/mit-license.php\n *\n * For usage and examples, visit:\n * http://timeago.yarp.com/\n *\n * Copyright (c) 2008-2015, Ryan McGeary (ryan -[at]- mcgeary [*dot*] org)\n */\n\n(function (factory) {\n  if (typeof define === 'function' && define.amd) {\n    // AMD. Register as an anonymous module.\n    define(['jquery'], factory);\n  } else if (typeof module === 'object' && typeof module.exports === 'object') {\n    factory(require('jquery'));\n  } else {\n    // Browser globals\n    factory(jQuery);\n  }\n}(function ($) {\n  $.timeago = function(timestamp) {\n    if (timestamp instanceof Date) {\n      return inWords(timestamp);\n    } else if (typeof timestamp === \"string\") {\n      return inWords($.timeago.parse(timestamp));\n    } else if (typeof timestamp === \"number\") {\n      return inWords(new Date(timestamp));\n    } else {\n      return inWords($.timeago.datetime(timestamp));\n    }\n  };\n  var $t = $.timeago;\n\n  $.extend($.timeago, {\n    settings: {\n      refreshMillis: 60000,\n      allowPast: true,\n      allowFuture: false,\n      localeTitle: false,\n      cutoff: 0,\n      autoDispose: true,\n      strings: {\n        prefixAgo: null,\n        prefixFromNow: null,\n        suffixAgo: \"ago\",\n        suffixFromNow: \"from now\",\n        inPast: 'any moment now',\n        seconds: \"less than a minute\",\n        minute: \"about a minute\",\n        minutes: \"%d minutes\",\n        hour: \"about an hour\",\n        hours: \"about %d hours\",\n        day: \"a day\",\n        days: \"%d days\",\n        month: \"about a month\",\n        months: \"%d months\",\n        year: \"about a year\",\n        years: \"%d years\",\n        wordSeparator: \" \",\n        numbers: []\n      }\n    },\n\n    inWords: function(distanceMillis) {\n      if (!this.settings.allowPast && ! this.settings.allowFuture) {\n          throw 'timeago allowPast and allowFuture settings can not both be set to false.';\n      }\n\n      var $l = this.settings.strings;\n      var prefix = $l.prefixAgo;\n      var suffix = $l.suffixAgo;\n      if (this.settings.allowFuture) {\n        if (distanceMillis < 0) {\n          prefix = $l.prefixFromNow;\n          suffix = $l.suffixFromNow;\n        }\n      }\n\n      if (!this.settings.allowPast && distanceMillis >= 0) {\n        return this.settings.strings.inPast;\n      }\n\n      var seconds = Math.abs(distanceMillis) / 1000;\n      var minutes = seconds / 60;\n      var hours = minutes / 60;\n      var days = hours / 24;\n      var years = days / 365;\n\n      function substitute(stringOrFunction, number) {\n        var string = $.isFunction(stringOrFunction) ? stringOrFunction(number, distanceMillis) : stringOrFunction;\n        var value = ($l.numbers && $l.numbers[number]) || number;\n        return string.replace(/%d/i, value);\n      }\n\n      var words = seconds < 45 && substitute($l.seconds, Math.round(seconds)) ||\n        seconds < 90 && substitute($l.minute, 1) ||\n        minutes < 45 && substitute($l.minutes, Math.round(minutes)) ||\n        minutes < 90 && substitute($l.hour, 1) ||\n        hours < 24 && substitute($l.hours, Math.round(hours)) ||\n        hours < 42 && substitute($l.day, 1) ||\n        days < 30 && substitute($l.days, Math.round(days)) ||\n        days < 45 && substitute($l.month, 1) ||\n        days < 365 && substitute($l.months, Math.round(days / 30)) ||\n        years < 1.5 && substitute($l.year, 1) ||\n        substitute($l.years, Math.round(years));\n\n      var separator = $l.wordSeparator || \"\";\n      if ($l.wordSeparator === undefined) { separator = \" \"; }\n      return $.trim([prefix, words, suffix].join(separator));\n    },\n\n    parse: function(iso8601) {\n      var s = $.trim(iso8601);\n      s = s.replace(/\\.\\d+/,\"\"); // remove milliseconds\n      s = s.replace(/-/,\"/\").replace(/-/,\"/\");\n      s = s.replace(/T/,\" \").replace(/Z/,\" UTC\");\n      s = s.replace(/([\\+\\-]\\d\\d)\\:?(\\d\\d)/,\" $1$2\"); // -04:00 -> -0400\n      s = s.replace(/([\\+\\-]\\d\\d)$/,\" $100\"); // +09 -> +0900\n      return new Date(s);\n    },\n    datetime: function(elem) {\n      var iso8601 = $t.isTime(elem) ? $(elem).attr(\"datetime\") : $(elem).attr(\"title\");\n      return $t.parse(iso8601);\n    },\n    isTime: function(elem) {\n      // jQuery's `is()` doesn't play well with HTML5 in IE\n      return $(elem).get(0).tagName.toLowerCase() === \"time\"; // $(elem).is(\"time\");\n    }\n  });\n\n  // functions that can be called via $(el).timeago('action')\n  // init is default when no action is given\n  // functions are called with context of a single element\n  var functions = {\n    init: function() {\n      var refresh_el = $.proxy(refresh, this);\n      refresh_el();\n      var $s = $t.settings;\n      if ($s.refreshMillis > 0) {\n        this._timeagoInterval = setInterval(refresh_el, $s.refreshMillis);\n      }\n    },\n    update: function(timestamp) {\n      var date = (timestamp instanceof Date) ? timestamp : $t.parse(timestamp);\n      $(this).data('timeago', { datetime: date });\n      if ($t.settings.localeTitle) $(this).attr(\"title\", date.toLocaleString());\n      refresh.apply(this);\n    },\n    updateFromDOM: function() {\n      $(this).data('timeago', { datetime: $t.parse( $t.isTime(this) ? $(this).attr(\"datetime\") : $(this).attr(\"title\") ) });\n      refresh.apply(this);\n    },\n    dispose: function () {\n      if (this._timeagoInterval) {\n        window.clearInterval(this._timeagoInterval);\n        this._timeagoInterval = null;\n      }\n    }\n  };\n\n  $.fn.timeago = function(action, options) {\n    var fn = action ? functions[action] : functions.init;\n    if (!fn) {\n      throw new Error(\"Unknown function name '\"+ action +\"' for timeago\");\n    }\n    // each over objects here and call the requested function\n    this.each(function() {\n      fn.call(this, options);\n    });\n    return this;\n  };\n\n  function refresh() {\n    var $s = $t.settings;\n\n    //check if it's still visible\n    if ($s.autoDispose && !$.contains(document.documentElement,this)) {\n      //stop if it has been removed\n      $(this).timeago(\"dispose\");\n      return this;\n    }\n\n    var data = prepareData(this);\n\n    if (!isNaN(data.datetime)) {\n      if ( $s.cutoff == 0 || Math.abs(distance(data.datetime)) < $s.cutoff) {\n        $(this).text(inWords(data.datetime));\n      }\n    }\n    return this;\n  }\n\n  function prepareData(element) {\n    element = $(element);\n    if (!element.data(\"timeago\")) {\n      element.data(\"timeago\", { datetime: $t.datetime(element) });\n      var text = $.trim(element.text());\n      if ($t.settings.localeTitle) {\n        element.attr(\"title\", element.data('timeago').datetime.toLocaleString());\n      } else if (text.length > 0 && !($t.isTime(element) && element.attr(\"title\"))) {\n        element.attr(\"title\", text);\n      }\n    }\n    return element.data(\"timeago\");\n  }\n\n  function inWords(date) {\n    return $t.inWords(distance(date));\n  }\n\n  function distance(date) {\n    return (new Date().getTime() - date.getTime());\n  }\n\n  // fix for IE6 suckage\n  document.createElement(\"abbr\");\n  document.createElement(\"time\");\n}));\n","\n$(document).ready(function() {\n    $(\"time.timeago\").timeago();\n\n    $('.ft-nav-toggle').click(function() {\n        $('.ft-nav-container').toggleClass('ft-nav-enabled');\n        $('.ft-nav').toggleClass('ft-nav-enabled');\n    });\n\n    $('.ft-nav-collapsed + ul').hide();\n\n    $('#ft-commit-modal').on('shown.bs.modal', function () {\n        $('#ft-commit-msg').focus();\n    });\n\n    var publogEl = $('#ft-publog');\n    publogEl.mouseenter(function() {\n        publogEl.attr('data-autohide', 'false');\n    });\n    publogEl.on('hide', function() {\n        var containerEl = $('#ft-publog-container', publogEl);\n        containerEl.empty();\n    });\n\n    var closePublogBtn = $('button', publogEl);\n    closePublogBtn.on('click', function() {\n        publogEl.fadeOut(200);\n    });\n});\n\nvar onPublishEvent = function(e) {\n\n    var publogEl = $('#ft-publog');\n    var containerEl = $('#ft-publog-container', publogEl);\n\n    var msgEl = $('<div>' + e.data + '</div>');\n    var removeMsgEl = function() {\n        msgEl.remove();\n        if (containerEl.children().length == 0) {\n            // Last message, hide the log window.\n            publogEl.fadeOut(200);\n        }\n    };\n    var timeoutId = window.setTimeout(function() {\n        if (publogEl.attr('data-autohide') == 'true') {\n            msgEl.fadeOut(400, removeMsgEl);\n        }\n    }, 4000);\n\n    if (containerEl.children().length == 0) {\n        // First message, show the log window, reset the mouseover marker.\n        publogEl.attr('data-autohide', 'true');\n        publogEl.fadeIn(200);\n    }\n    containerEl.append(msgEl);\n};\n\nif (!!window.EventSource) {\n    var source = new EventSource('/publish-log');\n    source.onerror = function(e) {\n        console.log(\"Error with SSE, closing.\", e);\n        source.close();\n    };\n    source.addEventListener('message', onPublishEvent);\n}\n\n\n"],"sourceRoot":"/source/"}
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* jQuery JavaScript Library v2.2.0\n * http://jquery.com/\n *\n * Includes Sizzle.js\n * http://sizzlejs.com/\n *\n * Copyright jQuery Foundation and other contributors\n * Released under the MIT license\n * http://jquery.org/license\n *\n * Date: 2016-01-08T20:02Z\n */\n\n(function( global, factory ) {\n\n\tif ( typeof module === \"object\" && typeof module.exports === \"object\" ) {\n\t\t// For CommonJS and CommonJS-like environments where a proper `window`\n\t\t// is present, execute the factory and get jQuery.\n\t\t// For environments that do not have a `window` with a `document`\n\t\t// (such as Node.js), expose a factory as module.exports.\n\t\t// This accentuates the need for the creation of a real `window`.\n\t\t// e.g. var jQuery = require(\"jquery\")(window);\n\t\t// See ticket #14549 for more info.\n\t\tmodule.exports = global.document ?\n\t\t\tfactory( global, true ) :\n\t\t\tfunction( w ) {\n\t\t\t\tif ( !w.document ) {\n\t\t\t\t\tthrow new Error( \"jQuery requires a window with a document\" );\n\t\t\t\t}\n\t\t\t\treturn factory( w );\n\t\t\t};\n\t} else {\n\t\tfactory( global );\n\t}\n\n// Pass this if window is not defined yet\n}(typeof window !== \"undefined\" ? window : this, function( window, noGlobal ) {\n\n// Support: Firefox 18+\n// Can't be in strict mode, several libs including ASP.NET trace\n// the stack via arguments.caller.callee and Firefox dies if\n// you try to trace through \"use strict\" call chains. (#13335)\n//\"use strict\";\nvar arr = [];\n\nvar document = window.document;\n\nvar slice = arr.slice;\n\nvar concat = arr.concat;\n\nvar push = arr.push;\n\nvar indexOf = arr.indexOf;\n\nvar class2type = {};\n\nvar toString = class2type.toString;\n\nvar hasOwn = class2type.hasOwnProperty;\n\nvar support = {};\n\n\n\nvar\n\tversion = \"2.2.0\",\n\n\t// Define a local copy of jQuery\n\tjQuery = function( selector, context ) {\n\n\t\t// The jQuery object is actually just the init constructor 'enhanced'\n\t\t// Need init if jQuery is called (just allow error to be thrown if not included)\n\t\treturn new jQuery.fn.init( selector, context );\n\t},\n\n\t// Support: Android<4.1\n\t// Make sure we trim BOM and NBSP\n\trtrim = /^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g,\n\n\t// Matches dashed string for camelizing\n\trmsPrefix = /^-ms-/,\n\trdashAlpha = /-([\\da-z])/gi,\n\n\t// Used by jQuery.camelCase as callback to replace()\n\tfcamelCase = function( all, letter ) {\n\t\treturn letter.toUpperCase();\n\t};\n\njQuery.fn = jQuery.prototype = {\n\n\t// The current version of jQuery being used\n\tjquery: version,\n\n\tconstructor: jQuery,\n\n\t// Start with an empty selector\n\tselector: \"\",\n\n\t// The default length of a jQuery object is 0\n\tlength: 0,\n\n\ttoArray: function() {\n\t\treturn slice.call( this );\n\t},\n\n\t// Get the Nth element in the matched element set OR\n\t// Get the whole matched element set as a clean array\n\tget: function( num ) {\n\t\treturn num != null ?\n\n\t\t\t// Return just the one element from the set\n\t\t\t( num < 0 ? this[ num + this.length ] : this[ num ] ) :\n\n\t\t\t// Return all the elements in a clean array\n\t\t\tslice.call( this );\n\t},\n\n\t// Take an array of elements and push it onto the stack\n\t// (returning the new matched element set)\n\tpushStack: function( elems ) {\n\n\t\t// Build a new jQuery matched element set\n\t\tvar ret = jQuery.merge( this.constructor(), elems );\n\n\t\t// Add the old object onto the stack (as a reference)\n\t\tret.prevObject = this;\n\t\tret.context = this.context;\n\n\t\t// Return the newly-formed element set\n\t\treturn ret;\n\t},\n\n\t// Execute a callback for every element in the matched set.\n\teach: function( callback ) {\n\t\treturn jQuery.each( this, callback );\n\t},\n\n\tmap: function( callback ) {\n\t\treturn this.pushStack( jQuery.map( this, function( elem, i ) {\n\t\t\treturn callback.call( elem, i, elem );\n\t\t} ) );\n\t},\n\n\tslice: function() {\n\t\treturn this.pushStack( slice.apply( this, arguments ) );\n\t},\n\n\tfirst: function() {\n\t\treturn this.eq( 0 );\n\t},\n\n\tlast: function() {\n\t\treturn this.eq( -1 );\n\t},\n\n\teq: function( i ) {\n\t\tvar len = this.length,\n\t\t\tj = +i + ( i < 0 ? len : 0 );\n\t\treturn this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );\n\t},\n\n\tend: function() {\n\t\treturn this.prevObject || this.constructor();\n\t},\n\n\t// For internal use only.\n\t// Behaves like an Array's method, not like a jQuery method.\n\tpush: push,\n\tsort: arr.sort,\n\tsplice: arr.splice\n};\n\njQuery.extend = jQuery.fn.extend = function() {\n\tvar options, name, src, copy, copyIsArray, clone,\n\t\ttarget = arguments[ 0 ] || {},\n\t\ti = 1,\n\t\tlength = arguments.length,\n\t\tdeep = false;\n\n\t// Handle a deep copy situation\n\tif ( typeof target === \"boolean\" ) {\n\t\tdeep = target;\n\n\t\t// Skip the boolean and the target\n\t\ttarget = arguments[ i ] || {};\n\t\ti++;\n\t}\n\n\t// Handle case when target is a string or something (possible in deep copy)\n\tif ( typeof target !== \"object\" && !jQuery.isFunction( target ) ) {\n\t\ttarget = {};\n\t}\n\n\t// Extend jQuery itself if only one argument is passed\n\tif ( i === length ) {\n\t\ttarget = this;\n\t\ti--;\n\t}\n\n\tfor ( ; i < length; i++ ) {\n\n\t\t// Only deal with non-null/undefined values\n\t\tif ( ( options = arguments[ i ] ) != null ) {\n\n\t\t\t// Extend the base object\n\t\t\tfor ( name in options ) {\n\t\t\t\tsrc = target[ name ];\n\t\t\t\tcopy = options[ name ];\n\n\t\t\t\t// Prevent never-ending loop\n\t\t\t\tif ( target === copy ) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\t// Recurse if we're merging plain objects or arrays\n\t\t\t\tif ( deep && copy && ( jQuery.isPlainObject( copy ) ||\n\t\t\t\t\t( copyIsArray = jQuery.isArray( copy ) ) ) ) {\n\n\t\t\t\t\tif ( copyIsArray ) {\n\t\t\t\t\t\tcopyIsArray = false;\n\t\t\t\t\t\tclone = src && jQuery.isArray( src ) ? src : [];\n\n\t\t\t\t\t} else {\n\t\t\t\t\t\tclone = src && jQuery.isPlainObject( src ) ? src : {};\n\t\t\t\t\t}\n\n\t\t\t\t\t// Never move original objects, clone them\n\t\t\t\t\ttarget[ name ] = jQuery.extend( deep, clone, copy );\n\n\t\t\t\t// Don't bring in undefined values\n\t\t\t\t} else if ( copy !== undefined ) {\n\t\t\t\t\ttarget[ name ] = copy;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// Return the modified object\n\treturn target;\n};\n\njQuery.extend( {\n\n\t// Unique for each copy of jQuery on the page\n\texpando: \"jQuery\" + ( version + Math.random() ).replace( /\\D/g, \"\" ),\n\n\t// Assume jQuery is ready without the ready module\n\tisReady: true,\n\n\terror: function( msg ) {\n\t\tthrow new Error( msg );\n\t},\n\n\tnoop: function() {},\n\n\tisFunction: function( obj ) {\n\t\treturn jQuery.type( obj ) === \"function\";\n\t},\n\n\tisArray: Array.isArray,\n\n\tisWindow: function( obj ) {\n\t\treturn obj != null && obj === obj.window;\n\t},\n\n\tisNumeric: function( obj ) {\n\n\t\t// parseFloat NaNs numeric-cast false positives (null|true|false|\"\")\n\t\t// ...but misinterprets leading-number strings, particularly hex literals (\"0x...\")\n\t\t// subtraction forces infinities to NaN\n\t\t// adding 1 corrects loss of precision from parseFloat (#15100)\n\t\tvar realStringObj = obj && obj.toString();\n\t\treturn !jQuery.isArray( obj ) && ( realStringObj - parseFloat( realStringObj ) + 1 ) >= 0;\n\t},\n\n\tisPlainObject: function( obj ) {\n\n\t\t// Not plain objects:\n\t\t// - Any object or value whose internal [[Class]] property is not \"[object Object]\"\n\t\t// - DOM nodes\n\t\t// - window\n\t\tif ( jQuery.type( obj ) !== \"object\" || obj.nodeType || jQuery.isWindow( obj ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\tif ( obj.constructor &&\n\t\t\t\t!hasOwn.call( obj.constructor.prototype, \"isPrototypeOf\" ) ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// If the function hasn't returned already, we're confident that\n\t\t// |obj| is a plain object, created by {} or constructed with new Object\n\t\treturn true;\n\t},\n\n\tisEmptyObject: function( obj ) {\n\t\tvar name;\n\t\tfor ( name in obj ) {\n\t\t\treturn false;\n\t\t}\n\t\treturn true;\n\t},\n\n\ttype: function( obj ) {\n\t\tif ( obj == null ) {\n\t\t\treturn obj + \"\";\n\t\t}\n\n\t\t// Support: Android<4.0, iOS<6 (functionish RegExp)\n\t\treturn typeof obj === \"object\" || typeof obj === \"function\" ?\n\t\t\tclass2type[ toString.call( obj ) ] || \"object\" :\n\t\t\ttypeof obj;\n\t},\n\n\t// Evaluates a script in a global context\n\tglobalEval: function( code ) {\n\t\tvar script,\n\t\t\tindirect = eval;\n\n\t\tcode = jQuery.trim( code );\n\n\t\tif ( code ) {\n\n\t\t\t// If the code includes a valid, prologue position\n\t\t\t// strict mode pragma, execute code by injecting a\n\t\t\t// script tag into the document.\n\t\t\tif ( code.indexOf( \"use strict\" ) === 1 ) {\n\t\t\t\tscript = document.createElement( \"script\" );\n\t\t\t\tscript.text = code;\n\t\t\t\tdocument.head.appendChild( script ).parentNode.removeChild( script );\n\t\t\t} else {\n\n\t\t\t\t// Otherwise, avoid the DOM node creation, insertion\n\t\t\t\t// and removal by using an indirect global eval\n\n\t\t\t\tindirect( code );\n\t\t\t}\n\t\t}\n\t},\n\n\t// Convert dashed to camelCase; used by the css and data modules\n\t// Support: IE9-11+\n\t// Microsoft forgot to hump their vendor prefix (#9572)\n\tcamelCase: function( string ) {\n\t\treturn string.replace( rmsPrefix, \"ms-\" ).replace( rdashAlpha, fcamelCase );\n\t},\n\n\tnodeName: function( elem, name ) {\n\t\treturn elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();\n\t},\n\n\teach: function( obj, callback ) {\n\t\tvar length, i = 0;\n\n\t\tif ( isArrayLike( obj ) ) {\n\t\t\tlength = obj.length;\n\t\t\tfor ( ; i < length; i++ ) {\n\t\t\t\tif ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tfor ( i in obj ) {\n\t\t\t\tif ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn obj;\n\t},\n\n\t// Support: Android<4.1\n\ttrim: function( text ) {\n\t\treturn text == null ?\n\t\t\t\"\" :\n\t\t\t( text + \"\" ).replace( rtrim, \"\" );\n\t},\n\n\t// results is for internal usage only\n\tmakeArray: function( arr, results ) {\n\t\tvar ret = results || [];\n\n\t\tif ( arr != null ) {\n\t\t\tif ( isArrayLike( Object( arr ) ) ) {\n\t\t\t\tjQuery.merge( ret,\n\t\t\t\t\ttypeof arr === \"string\" ?\n\t\t\t\t\t[ arr ] : arr\n\t\t\t\t);\n\t\t\t} else {\n\t\t\t\tpush.call( ret, arr );\n\t\t\t}\n\t\t}\n\n\t\treturn ret;\n\t},\n\n\tinArray: function( elem, arr, i ) {\n\t\treturn arr == null ? -1 : indexOf.call( arr, elem, i );\n\t},\n\n\tmerge: function( first, second ) {\n\t\tvar len = +second.length,\n\t\t\tj = 0,\n\t\t\ti = first.length;\n\n\t\tfor ( ; j < len; j++ ) {\n\t\t\tfirst[ i++ ] = second[ j ];\n\t\t}\n\n\t\tfirst.length = i;\n\n\t\treturn first;\n\t},\n\n\tgrep: function( elems, callback, invert ) {\n\t\tvar callbackInverse,\n\t\t\tmatches = [],\n\t\t\ti = 0,\n\t\t\tlength = elems.length,\n\t\t\tcallbackExpect = !invert;\n\n\t\t// Go through the array, only saving the items\n\t\t// that pass the validator function\n\t\tfor ( ; i < length; i++ ) {\n\t\t\tcallbackInverse = !callback( elems[ i ], i );\n\t\t\tif ( callbackInverse !== callbackExpect ) {\n\t\t\t\tmatches.push( elems[ i ] );\n\t\t\t}\n\t\t}\n\n\t\treturn matches;\n\t},\n\n\t// arg is for internal usage only\n\tmap: function( elems, callback, arg ) {\n\t\tvar length, value,\n\t\t\ti = 0,\n\t\t\tret = [];\n\n\t\t// Go through the array, translating each of the items to their new values\n\t\tif ( isArrayLike( elems ) ) {\n\t\t\tlength = elems.length;\n\t\t\tfor ( ; i < length; i++ ) {\n\t\t\t\tvalue = callback( elems[ i ], i, arg );\n\n\t\t\t\tif ( value != null ) {\n\t\t\t\t\tret.push( value );\n\t\t\t\t}\n\t\t\t}\n\n\t\t// Go through every key on the object,\n\t\t} else {\n\t\t\tfor ( i in elems ) {\n\t\t\t\tvalue = callback( elems[ i ], i, arg );\n\n\t\t\t\tif ( value != null ) {\n\t\t\t\t\tret.push( value );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Flatten any nested arrays\n\t\treturn concat.apply( [], ret );\n\t},\n\n\t// A global GUID counter for objects\n\tguid: 1,\n\n\t// Bind a function to a context, optionally partially applying any\n\t// arguments.\n\tproxy: function( fn, context ) {\n\t\tvar tmp, args, proxy;\n\n\t\tif ( typeof context === \"string\" ) {\n\t\t\ttmp = fn[ context ];\n\t\t\tcontext = fn;\n\t\t\tfn = tmp;\n\t\t}\n\n\t\t// Quick check to determine if target is callable, in the spec\n\t\t// this throws a TypeError, but we will just return undefined.\n\t\tif ( !jQuery.isFunction( fn ) ) {\n\t\t\treturn undefined;\n\t\t}\n\n\t\t// Simulated bind\n\t\targs = slice.call( arguments, 2 );\n\t\tproxy = function() {\n\t\t\treturn fn.apply( context || this, args.concat( slice.call( arguments ) ) );\n\t\t};\n\n\t\t// Set the guid of unique handler to the same of original handler, so it can be removed\n\t\tproxy.guid = fn.guid = fn.guid || jQuery.guid++;\n\n\t\treturn proxy;\n\t},\n\n\tnow: Date.now,\n\n\t// jQuery.support is not used in Core but other projects attach their\n\t// properties to it so it needs to exist.\n\tsupport: support\n} );\n\n// JSHint would error on this code due to the Symbol not being defined in ES5.\n// Defining this global in .jshintrc would create a danger of using the global\n// unguarded in another place, it seems safer to just disable JSHint for these\n// three lines.\n/* jshint ignore: start */\nif ( typeof Symbol === \"function\" ) {\n\tjQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];\n}\n/* jshint ignore: end */\n\n// Populate the class2type map\njQuery.each( \"Boolean Number String Function Array Date RegExp Object Error Symbol\".split( \" \" ),\nfunction( i, name ) {\n\tclass2type[ \"[object \" + name + \"]\" ] = name.toLowerCase();\n} );\n\nfunction isArrayLike( obj ) {\n\n\t// Support: iOS 8.2 (not reproducible in simulator)\n\t// `in` check used to prevent JIT error (gh-2145)\n\t// hasOwn isn't used here due to false negatives\n\t// regarding Nodelist length in IE\n\tvar length = !!obj && \"length\" in obj && obj.length,\n\t\ttype = jQuery.type( obj );\n\n\tif ( type === \"function\" || jQuery.isWindow( obj ) ) {\n\t\treturn false;\n\t}\n\n\treturn type === \"array\" || length === 0 ||\n\t\ttypeof length === \"number\" && length > 0 && ( length - 1 ) in obj;\n}\nvar Sizzle =\n/*!\n * Sizzle CSS Selector Engine v2.2.1\n * http://sizzlejs.com/\n *\n * Copyright jQuery Foundation and other contributors\n * Released under the MIT license\n * http://jquery.org/license\n *\n * Date: 2015-10-17\n */\n(function( window ) {\n\nvar i,\n\tsupport,\n\tExpr,\n\tgetText,\n\tisXML,\n\ttokenize,\n\tcompile,\n\tselect,\n\toutermostContext,\n\tsortInput,\n\thasDuplicate,\n\n\t// Local document vars\n\tsetDocument,\n\tdocument,\n\tdocElem,\n\tdocumentIsHTML,\n\trbuggyQSA,\n\trbuggyMatches,\n\tmatches,\n\tcontains,\n\n\t// Instance-specific data\n\texpando = \"sizzle\" + 1 * new Date(),\n\tpreferredDoc = window.document,\n\tdirruns = 0,\n\tdone = 0,\n\tclassCache = createCache(),\n\ttokenCache = createCache(),\n\tcompilerCache = createCache(),\n\tsortOrder = function( a, b ) {\n\t\tif ( a === b ) {\n\t\t\thasDuplicate = true;\n\t\t}\n\t\treturn 0;\n\t},\n\n\t// General-purpose constants\n\tMAX_NEGATIVE = 1 << 31,\n\n\t// Instance methods\n\thasOwn = ({}).hasOwnProperty,\n\tarr = [],\n\tpop = arr.pop,\n\tpush_native = arr.push,\n\tpush = arr.push,\n\tslice = arr.slice,\n\t// Use a stripped-down indexOf as it's faster than native\n\t// http://jsperf.com/thor-indexof-vs-for/5\n\tindexOf = function( list, elem ) {\n\t\tvar i = 0,\n\t\t\tlen = list.length;\n\t\tfor ( ; i < len; i++ ) {\n\t\t\tif ( list[i] === elem ) {\n\t\t\t\treturn i;\n\t\t\t}\n\t\t}\n\t\treturn -1;\n\t},\n\n\tbooleans = \"checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped\",\n\n\t// Regular expressions\n\n\t// http://www.w3.org/TR/css3-selectors/#whitespace\n\twhitespace = \"[\\\\x20\\\\t\\\\r\\\\n\\\\f]\",\n\n\t// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier\n\tidentifier = \"(?:\\\\\\\\.|[\\\\w-]|[^\\\\x00-\\\\xa0])+\",\n\n\t// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors\n\tattributes = \"\\\\[\" + whitespace + \"*(\" + identifier + \")(?:\" + whitespace +\n\t\t// Operator (capture 2)\n\t\t\"*([*^$|!~]?=)\" + whitespace +\n\t\t// \"Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]\"\n\t\t\"*(?:'((?:\\\\\\\\.|[^\\\\\\\\'])*)'|\\\"((?:\\\\\\\\.|[^\\\\\\\\\\\"])*)\\\"|(\" + identifier + \"))|)\" + whitespace +\n\t\t\"*\\\\]\",\n\n\tpseudos = \":(\" + identifier + \")(?:\\\\((\" +\n\t\t// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:\n\t\t// 1. quoted (capture 3; capture 4 or capture 5)\n\t\t\"('((?:\\\\\\\\.|[^\\\\\\\\'])*)'|\\\"((?:\\\\\\\\.|[^\\\\\\\\\\\"])*)\\\")|\" +\n\t\t// 2. simple (capture 6)\n\t\t\"((?:\\\\\\\\.|[^\\\\\\\\()[\\\\]]|\" + attributes + \")*)|\" +\n\t\t// 3. anything else (capture 2)\n\t\t\".*\" +\n\t\t\")\\\\)|)\",\n\n\t// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter\n\trwhitespace = new RegExp( whitespace + \"+\", \"g\" ),\n\trtrim = new RegExp( \"^\" + whitespace + \"+|((?:^|[^\\\\\\\\])(?:\\\\\\\\.)*)\" + whitespace + \"+$\", \"g\" ),\n\n\trcomma = new RegExp( \"^\" + whitespace + \"*,\" + whitespace + \"*\" ),\n\trcombinators = new RegExp( \"^\" + whitespace + \"*([>+~]|\" + whitespace + \")\" + whitespace + \"*\" ),\n\n\trattributeQuotes = new RegExp( \"=\" + whitespace + \"*([^\\\\]'\\\"]*?)\" + whitespace + \"*\\\\]\", \"g\" ),\n\n\trpseudo = new RegExp( pseudos ),\n\tridentifier = new RegExp( \"^\" + identifier + \"$\" ),\n\n\tmatchExpr = {\n\t\t\"ID\": new RegExp( \"^#(\" + identifier + \")\" ),\n\t\t\"CLASS\": new RegExp( \"^\\\\.(\" + identifier + \")\" ),\n\t\t\"TAG\": new RegExp( \"^(\" + identifier + \"|[*])\" ),\n\t\t\"ATTR\": new RegExp( \"^\" + attributes ),\n\t\t\"PSEUDO\": new RegExp( \"^\" + pseudos ),\n\t\t\"CHILD\": new RegExp( \"^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\\\(\" + whitespace +\n\t\t\t\"*(even|odd|(([+-]|)(\\\\d*)n|)\" + whitespace + \"*(?:([+-]|)\" + whitespace +\n\t\t\t\"*(\\\\d+)|))\" + whitespace + \"*\\\\)|)\", \"i\" ),\n\t\t\"bool\": new RegExp( \"^(?:\" + booleans + \")$\", \"i\" ),\n\t\t// For use in libraries implementing .is()\n\t\t// We use this for POS matching in `select`\n\t\t\"needsContext\": new RegExp( \"^\" + whitespace + \"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\\\(\" +\n\t\t\twhitespace + \"*((?:-\\\\d)?\\\\d*)\" + whitespace + \"*\\\\)|)(?=[^-]|$)\", \"i\" )\n\t},\n\n\trinputs = /^(?:input|select|textarea|button)$/i,\n\trheader = /^h\\d$/i,\n\n\trnative = /^[^{]+\\{\\s*\\[native \\w/,\n\n\t// Easily-parseable/retrievable ID or TAG or CLASS selectors\n\trquickExpr = /^(?:#([\\w-]+)|(\\w+)|\\.([\\w-]+))$/,\n\n\trsibling = /[+~]/,\n\trescape = /'|\\\\/g,\n\n\t// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters\n\trunescape = new RegExp( \"\\\\\\\\([\\\\da-f]{1,6}\" + whitespace + \"?|(\" + whitespace + \")|.)\", \"ig\" ),\n\tfunescape = function( _, escaped, escapedWhitespace ) {\n\t\tvar high = \"0x\" + escaped - 0x10000;\n\t\t// NaN means non-codepoint\n\t\t// Support: Firefox<24\n\t\t// Workaround erroneous numeric interpretation of +\"0x\"\n\t\treturn high !== high || escapedWhitespace ?\n\t\t\tescaped :\n\t\t\thigh < 0 ?\n\t\t\t\t// BMP codepoint\n\t\t\t\tString.fromCharCode( high + 0x10000 ) :\n\t\t\t\t// Supplemental Plane codepoint (surrogate pair)\n\t\t\t\tString.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );\n\t},\n\n\t// Used for iframes\n\t// See setDocument()\n\t// Removing the function wrapper causes a \"Permission Denied\"\n\t// error in IE\n\tunloadHandler = function() {\n\t\tsetDocument();\n\t};\n\n// Optimize for push.apply( _, NodeList )\ntry {\n\tpush.apply(\n\t\t(arr = slice.call( preferredDoc.childNodes )),\n\t\tpreferredDoc.childNodes\n\t);\n\t// Support: Android<4.0\n\t// Detect silently failing push.apply\n\tarr[ preferredDoc.childNodes.length ].nodeType;\n} catch ( e ) {\n\tpush = { apply: arr.length ?\n\n\t\t// Leverage slice if possible\n\t\tfunction( target, els ) {\n\t\t\tpush_native.apply( target, slice.call(els) );\n\t\t} :\n\n\t\t// Support: IE<9\n\t\t// Otherwise append directly\n\t\tfunction( target, els ) {\n\t\t\tvar j = target.length,\n\t\t\t\ti = 0;\n\t\t\t// Can't trust NodeList.length\n\t\t\twhile ( (target[j++] = els[i++]) ) {}\n\t\t\ttarget.length = j - 1;\n\t\t}\n\t};\n}\n\nfunction Sizzle( selector, context, results, seed ) {\n\tvar m, i, elem, nid, nidselect, match, groups, newSelector,\n\t\tnewContext = context && context.ownerDocument,\n\n\t\t// nodeType defaults to 9, since context defaults to document\n\t\tnodeType = context ? context.nodeType : 9;\n\n\tresults = results || [];\n\n\t// Return early from calls with invalid selector or context\n\tif ( typeof selector !== \"string\" || !selector ||\n\t\tnodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {\n\n\t\treturn results;\n\t}\n\n\t// Try to shortcut find operations (as opposed to filters) in HTML documents\n\tif ( !seed ) {\n\n\t\tif ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {\n\t\t\tsetDocument( context );\n\t\t}\n\t\tcontext = context || document;\n\n\t\tif ( documentIsHTML ) {\n\n\t\t\t// If the selector is sufficiently simple, try using a \"get*By*\" DOM method\n\t\t\t// (excepting DocumentFragment context, where the methods don't exist)\n\t\t\tif ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {\n\n\t\t\t\t// ID selector\n\t\t\t\tif ( (m = match[1]) ) {\n\n\t\t\t\t\t// Document context\n\t\t\t\t\tif ( nodeType === 9 ) {\n\t\t\t\t\t\tif ( (elem = context.getElementById( m )) ) {\n\n\t\t\t\t\t\t\t// Support: IE, Opera, Webkit\n\t\t\t\t\t\t\t// TODO: identify versions\n\t\t\t\t\t\t\t// getElementById can match elements by name instead of ID\n\t\t\t\t\t\t\tif ( elem.id === m ) {\n\t\t\t\t\t\t\t\tresults.push( elem );\n\t\t\t\t\t\t\t\treturn results;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\treturn results;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t// Element context\n\t\t\t\t\t} else {\n\n\t\t\t\t\t\t// Support: IE, Opera, Webkit\n\t\t\t\t\t\t// TODO: identify versions\n\t\t\t\t\t\t// getElementById can match elements by name instead of ID\n\t\t\t\t\t\tif ( newContext && (elem = newContext.getElementById( m )) &&\n\t\t\t\t\t\t\tcontains( context, elem ) &&\n\t\t\t\t\t\t\telem.id === m ) {\n\n\t\t\t\t\t\t\tresults.push( elem );\n\t\t\t\t\t\t\treturn results;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t// Type selector\n\t\t\t\t} else if ( match[2] ) {\n\t\t\t\t\tpush.apply( results, context.getElementsByTagName( selector ) );\n\t\t\t\t\treturn results;\n\n\t\t\t\t// Class selector\n\t\t\t\t} else if ( (m = match[3]) && support.getElementsByClassName &&\n\t\t\t\t\tcontext.getElementsByClassName ) {\n\n\t\t\t\t\tpush.apply( results, context.getElementsByClassName( m ) );\n\t\t\t\t\treturn results;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Take advantage of querySelectorAll\n\t\t\tif ( support.qsa &&\n\t\t\t\t!compilerCache[ selector + \" \" ] &&\n\t\t\t\t(!rbuggyQSA || !rbuggyQSA.test( selector )) ) {\n\n\t\t\t\tif ( nodeType !== 1 ) {\n\t\t\t\t\tnewContext = context;\n\t\t\t\t\tnewSelector = selector;\n\n\t\t\t\t// qSA looks outside Element context, which is not what we want\n\t\t\t\t// Thanks to Andrew Dupont for this workaround technique\n\t\t\t\t// Support: IE <=8\n\t\t\t\t// Exclude object elements\n\t\t\t\t} else if ( context.nodeName.toLowerCase() !== \"object\" ) {\n\n\t\t\t\t\t// Capture the context ID, setting it first if necessary\n\t\t\t\t\tif ( (nid = context.getAttribute( \"id\" )) ) {\n\t\t\t\t\t\tnid = nid.replace( rescape, \"\\\\$&\" );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tcontext.setAttribute( \"id\", (nid = expando) );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Prefix every selector in the list\n\t\t\t\t\tgroups = tokenize( selector );\n\t\t\t\t\ti = groups.length;\n\t\t\t\t\tnidselect = ridentifier.test( nid ) ? \"#\" + nid : \"[id='\" + nid + \"']\";\n\t\t\t\t\twhile ( i-- ) {\n\t\t\t\t\t\tgroups[i] = nidselect + \" \" + toSelector( groups[i] );\n\t\t\t\t\t}\n\t\t\t\t\tnewSelector = groups.join( \",\" );\n\n\t\t\t\t\t// Expand context for sibling selectors\n\t\t\t\t\tnewContext = rsibling.test( selector ) && testContext( context.parentNode ) ||\n\t\t\t\t\t\tcontext;\n\t\t\t\t}\n\n\t\t\t\tif ( newSelector ) {\n\t\t\t\t\ttry {\n\t\t\t\t\t\tpush.apply( results,\n\t\t\t\t\t\t\tnewContext.querySelectorAll( newSelector )\n\t\t\t\t\t\t);\n\t\t\t\t\t\treturn results;\n\t\t\t\t\t} catch ( qsaError ) {\n\t\t\t\t\t} finally {\n\t\t\t\t\t\tif ( nid === expando ) {\n\t\t\t\t\t\t\tcontext.removeAttribute( \"id\" );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// All others\n\treturn select( selector.replace( rtrim, \"$1\" ), context, results, seed );\n}\n\n/**\n * Create key-value caches of limited size\n * @returns {function(string, object)} Returns the Object data after storing it on itself with\n *\tproperty name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)\n *\tdeleting the oldest entry\n */\nfunction createCache() {\n\tvar keys = [];\n\n\tfunction cache( key, value ) {\n\t\t// Use (key + \" \") to avoid collision with native prototype properties (see Issue #157)\n\t\tif ( keys.push( key + \" \" ) > Expr.cacheLength ) {\n\t\t\t// Only keep the most recent entries\n\t\t\tdelete cache[ keys.shift() ];\n\t\t}\n\t\treturn (cache[ key + \" \" ] = value);\n\t}\n\treturn cache;\n}\n\n/**\n * Mark a function for special use by Sizzle\n * @param {Function} fn The function to mark\n */\nfunction markFunction( fn ) {\n\tfn[ expando ] = true;\n\treturn fn;\n}\n\n/**\n * Support testing using an element\n * @param {Function} fn Passed the created div and expects a boolean result\n */\nfunction assert( fn ) {\n\tvar div = document.createElement(\"div\");\n\n\ttry {\n\t\treturn !!fn( div );\n\t} catch (e) {\n\t\treturn false;\n\t} finally {\n\t\t// Remove from its parent by default\n\t\tif ( div.parentNode ) {\n\t\t\tdiv.parentNode.removeChild( div );\n\t\t}\n\t\t// release memory in IE\n\t\tdiv = null;\n\t}\n}\n\n/**\n * Adds the same handler for all of the specified attrs\n * @param {String} attrs Pipe-separated list of attributes\n * @param {Function} handler The method that will be applied\n */\nfunction addHandle( attrs, handler ) {\n\tvar arr = attrs.split(\"|\"),\n\t\ti = arr.length;\n\n\twhile ( i-- ) {\n\t\tExpr.attrHandle[ arr[i] ] = handler;\n\t}\n}\n\n/**\n * Checks document order of two siblings\n * @param {Element} a\n * @param {Element} b\n * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b\n */\nfunction siblingCheck( a, b ) {\n\tvar cur = b && a,\n\t\tdiff = cur && a.nodeType === 1 && b.nodeType === 1 &&\n\t\t\t( ~b.sourceIndex || MAX_NEGATIVE ) -\n\t\t\t( ~a.sourceIndex || MAX_NEGATIVE );\n\n\t// Use IE sourceIndex if available on both nodes\n\tif ( diff ) {\n\t\treturn diff;\n\t}\n\n\t// Check if b follows a\n\tif ( cur ) {\n\t\twhile ( (cur = cur.nextSibling) ) {\n\t\t\tif ( cur === b ) {\n\t\t\t\treturn -1;\n\t\t\t}\n\t\t}\n\t}\n\n\treturn a ? 1 : -1;\n}\n\n/**\n * Returns a function to use in pseudos for input types\n * @param {String} type\n */\nfunction createInputPseudo( type ) {\n\treturn function( elem ) {\n\t\tvar name = elem.nodeName.toLowerCase();\n\t\treturn name === \"input\" && elem.type === type;\n\t};\n}\n\n/**\n * Returns a function to use in pseudos for buttons\n * @param {String} type\n */\nfunction createButtonPseudo( type ) {\n\treturn function( elem ) {\n\t\tvar name = elem.nodeName.toLowerCase();\n\t\treturn (name === \"input\" || name === \"button\") && elem.type === type;\n\t};\n}\n\n/**\n * Returns a function to use in pseudos for positionals\n * @param {Function} fn\n */\nfunction createPositionalPseudo( fn ) {\n\treturn markFunction(function( argument ) {\n\t\targument = +argument;\n\t\treturn markFunction(function( seed, matches ) {\n\t\t\tvar j,\n\t\t\t\tmatchIndexes = fn( [], seed.length, argument ),\n\t\t\t\ti = matchIndexes.length;\n\n\t\t\t// Match elements found at the specified indexes\n\t\t\twhile ( i-- ) {\n\t\t\t\tif ( seed[ (j = matchIndexes[i]) ] ) {\n\t\t\t\t\tseed[j] = !(matches[j] = seed[j]);\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\t});\n}\n\n/**\n * Checks a node for validity as a Sizzle context\n * @param {Element|Object=} context\n * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value\n */\nfunction testContext( context ) {\n\treturn context && typeof context.getElementsByTagName !== \"undefined\" && context;\n}\n\n// Expose support vars for convenience\nsupport = Sizzle.support = {};\n\n/**\n * Detects XML nodes\n * @param {Element|Object} elem An element or a document\n * @returns {Boolean} True iff elem is a non-HTML XML node\n */\nisXML = Sizzle.isXML = function( elem ) {\n\t// documentElement is verified for cases where it doesn't yet exist\n\t// (such as loading iframes in IE - #4833)\n\tvar documentElement = elem && (elem.ownerDocument || elem).documentElement;\n\treturn documentElement ? documentElement.nodeName !== \"HTML\" : false;\n};\n\n/**\n * Sets document-related variables once based on the current document\n * @param {Element|Object} [doc] An element or document object to use to set the document\n * @returns {Object} Returns the current document\n */\nsetDocument = Sizzle.setDocument = function( node ) {\n\tvar hasCompare, parent,\n\t\tdoc = node ? node.ownerDocument || node : preferredDoc;\n\n\t// Return early if doc is invalid or already selected\n\tif ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {\n\t\treturn document;\n\t}\n\n\t// Update global variables\n\tdocument = doc;\n\tdocElem = document.documentElement;\n\tdocumentIsHTML = !isXML( document );\n\n\t// Support: IE 9-11, Edge\n\t// Accessing iframe documents after unload throws \"permission denied\" errors (jQuery #13936)\n\tif ( (parent = document.defaultView) && parent.top !== parent ) {\n\t\t// Support: IE 11\n\t\tif ( parent.addEventListener ) {\n\t\t\tparent.addEventListener( \"unload\", unloadHandler, false );\n\n\t\t// Support: IE 9 - 10 only\n\t\t} else if ( parent.attachEvent ) {\n\t\t\tparent.attachEvent( \"onunload\", unloadHandler );\n\t\t}\n\t}\n\n\t/* Attributes\n\t---------------------------------------------------------------------- */\n\n\t// Support: IE<8\n\t// Verify that getAttribute really returns attributes and not properties\n\t// (excepting IE8 booleans)\n\tsupport.attributes = assert(function( div ) {\n\t\tdiv.className = \"i\";\n\t\treturn !div.getAttribute(\"className\");\n\t});\n\n\t/* getElement(s)By*\n\t---------------------------------------------------------------------- */\n\n\t// Check if getElementsByTagName(\"*\") returns only elements\n\tsupport.getElementsByTagName = assert(function( div ) {\n\t\tdiv.appendChild( document.createComment(\"\") );\n\t\treturn !div.getElementsByTagName(\"*\").length;\n\t});\n\n\t// Support: IE<9\n\tsupport.getElementsByClassName = rnative.test( document.getElementsByClassName );\n\n\t// Support: IE<10\n\t// Check if getElementById returns elements by name\n\t// The broken getElementById methods don't pick up programatically-set names,\n\t// so use a roundabout getElementsByName test\n\tsupport.getById = assert(function( div ) {\n\t\tdocElem.appendChild( div ).id = expando;\n\t\treturn !document.getElementsByName || !document.getElementsByName( expando ).length;\n\t});\n\n\t// ID find and filter\n\tif ( support.getById ) {\n\t\tExpr.find[\"ID\"] = function( id, context ) {\n\t\t\tif ( typeof context.getElementById !== \"undefined\" && documentIsHTML ) {\n\t\t\t\tvar m = context.getElementById( id );\n\t\t\t\treturn m ? [ m ] : [];\n\t\t\t}\n\t\t};\n\t\tExpr.filter[\"ID\"] = function( id ) {\n\t\t\tvar attrId = id.replace( runescape, funescape );\n\t\t\treturn function( elem ) {\n\t\t\t\treturn elem.getAttribute(\"id\") === attrId;\n\t\t\t};\n\t\t};\n\t} else {\n\t\t// Support: IE6/7\n\t\t// getElementById is not reliable as a find shortcut\n\t\tdelete Expr.find[\"ID\"];\n\n\t\tExpr.filter[\"ID\"] =  function( id ) {\n\t\t\tvar attrId = id.replace( runescape, funescape );\n\t\t\treturn function( elem ) {\n\t\t\t\tvar node = typeof elem.getAttributeNode !== \"undefined\" &&\n\t\t\t\t\telem.getAttributeNode(\"id\");\n\t\t\t\treturn node && node.value === attrId;\n\t\t\t};\n\t\t};\n\t}\n\n\t// Tag\n\tExpr.find[\"TAG\"] = support.getElementsByTagName ?\n\t\tfunction( tag, context ) {\n\t\t\tif ( typeof context.getElementsByTagName !== \"undefined\" ) {\n\t\t\t\treturn context.getElementsByTagName( tag );\n\n\t\t\t// DocumentFragment nodes don't have gEBTN\n\t\t\t} else if ( support.qsa ) {\n\t\t\t\treturn context.querySelectorAll( tag );\n\t\t\t}\n\t\t} :\n\n\t\tfunction( tag, context ) {\n\t\t\tvar elem,\n\t\t\t\ttmp = [],\n\t\t\t\ti = 0,\n\t\t\t\t// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too\n\t\t\t\tresults = context.getElementsByTagName( tag );\n\n\t\t\t// Filter out possible comments\n\t\t\tif ( tag === \"*\" ) {\n\t\t\t\twhile ( (elem = results[i++]) ) {\n\t\t\t\t\tif ( elem.nodeType === 1 ) {\n\t\t\t\t\t\ttmp.push( elem );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn tmp;\n\t\t\t}\n\t\t\treturn results;\n\t\t};\n\n\t// Class\n\tExpr.find[\"CLASS\"] = support.getElementsByClassName && function( className, context ) {\n\t\tif ( typeof context.getElementsByClassName !== \"undefined\" && documentIsHTML ) {\n\t\t\treturn context.getElementsByClassName( className );\n\t\t}\n\t};\n\n\t/* QSA/matchesSelector\n\t---------------------------------------------------------------------- */\n\n\t// QSA and matchesSelector support\n\n\t// matchesSelector(:active) reports false when true (IE9/Opera 11.5)\n\trbuggyMatches = [];\n\n\t// qSa(:focus) reports false when true (Chrome 21)\n\t// We allow this because of a bug in IE8/9 that throws an error\n\t// whenever `document.activeElement` is accessed on an iframe\n\t// So, we allow :focus to pass through QSA all the time to avoid the IE error\n\t// See http://bugs.jquery.com/ticket/13378\n\trbuggyQSA = [];\n\n\tif ( (support.qsa = rnative.test( document.querySelectorAll )) ) {\n\t\t// Build QSA regex\n\t\t// Regex strategy adopted from Diego Perini\n\t\tassert(function( div ) {\n\t\t\t// Select is set to empty string on purpose\n\t\t\t// This is to test IE's treatment of not explicitly\n\t\t\t// setting a boolean content attribute,\n\t\t\t// since its presence should be enough\n\t\t\t// http://bugs.jquery.com/ticket/12359\n\t\t\tdocElem.appendChild( div ).innerHTML = \"<a id='\" + expando + \"'></a>\" +\n\t\t\t\t\"<select id='\" + expando + \"-\\r\\\\' msallowcapture=''>\" +\n\t\t\t\t\"<option selected=''></option></select>\";\n\n\t\t\t// Support: IE8, Opera 11-12.16\n\t\t\t// Nothing should be selected when empty strings follow ^= or $= or *=\n\t\t\t// The test attribute must be unknown in Opera but \"safe\" for WinRT\n\t\t\t// http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section\n\t\t\tif ( div.querySelectorAll(\"[msallowcapture^='']\").length ) {\n\t\t\t\trbuggyQSA.push( \"[*^$]=\" + whitespace + \"*(?:''|\\\"\\\")\" );\n\t\t\t}\n\n\t\t\t// Support: IE8\n\t\t\t// Boolean attributes and \"value\" are not treated correctly\n\t\t\tif ( !div.querySelectorAll(\"[selected]\").length ) {\n\t\t\t\trbuggyQSA.push( \"\\\\[\" + whitespace + \"*(?:value|\" + booleans + \")\" );\n\t\t\t}\n\n\t\t\t// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+\n\t\t\tif ( !div.querySelectorAll( \"[id~=\" + expando + \"-]\" ).length ) {\n\t\t\t\trbuggyQSA.push(\"~=\");\n\t\t\t}\n\n\t\t\t// Webkit/Opera - :checked should return selected option elements\n\t\t\t// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked\n\t\t\t// IE8 throws error here and will not see later tests\n\t\t\tif ( !div.querySelectorAll(\":checked\").length ) {\n\t\t\t\trbuggyQSA.push(\":checked\");\n\t\t\t}\n\n\t\t\t// Support: Safari 8+, iOS 8+\n\t\t\t// https://bugs.webkit.org/show_bug.cgi?id=136851\n\t\t\t// In-page `selector#id sibing-combinator selector` fails\n\t\t\tif ( !div.querySelectorAll( \"a#\" + expando + \"+*\" ).length ) {\n\t\t\t\trbuggyQSA.push(\".#.+[+~]\");\n\t\t\t}\n\t\t});\n\n\t\tassert(function( div ) {\n\t\t\t// Support: Windows 8 Native Apps\n\t\t\t// The type and name attributes are restricted during .innerHTML assignment\n\t\t\tvar input = document.createElement(\"input\");\n\t\t\tinput.setAttribute( \"type\", \"hidden\" );\n\t\t\tdiv.appendChild( input ).setAttribute( \"name\", \"D\" );\n\n\t\t\t// Support: IE8\n\t\t\t// Enforce case-sensitivity of name attribute\n\t\t\tif ( div.querySelectorAll(\"[name=d]\").length ) {\n\t\t\t\trbuggyQSA.push( \"name\" + whitespace + \"*[*^$|!~]?=\" );\n\t\t\t}\n\n\t\t\t// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)\n\t\t\t// IE8 throws error here and will not see later tests\n\t\t\tif ( !div.querySelectorAll(\":enabled\").length ) {\n\t\t\t\trbuggyQSA.push( \":enabled\", \":disabled\" );\n\t\t\t}\n\n\t\t\t// Opera 10-11 does not throw on post-comma invalid pseudos\n\t\t\tdiv.querySelectorAll(\"*,:x\");\n\t\t\trbuggyQSA.push(\",.*:\");\n\t\t});\n\t}\n\n\tif ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||\n\t\tdocElem.webkitMatchesSelector ||\n\t\tdocElem.mozMatchesSelector ||\n\t\tdocElem.oMatchesSelector ||\n\t\tdocElem.msMatchesSelector) )) ) {\n\n\t\tassert(function( div ) {\n\t\t\t// Check to see if it's possible to do matchesSelector\n\t\t\t// on a disconnected node (IE 9)\n\t\t\tsupport.disconnectedMatch = matches.call( div, \"div\" );\n\n\t\t\t// This should fail with an exception\n\t\t\t// Gecko does not error, returns false instead\n\t\t\tmatches.call( div, \"[s!='']:x\" );\n\t\t\trbuggyMatches.push( \"!=\", pseudos );\n\t\t});\n\t}\n\n\trbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join(\"|\") );\n\trbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join(\"|\") );\n\n\t/* Contains\n\t---------------------------------------------------------------------- */\n\thasCompare = rnative.test( docElem.compareDocumentPosition );\n\n\t// Element contains another\n\t// Purposefully self-exclusive\n\t// As in, an element does not contain itself\n\tcontains = hasCompare || rnative.test( docElem.contains ) ?\n\t\tfunction( a, b ) {\n\t\t\tvar adown = a.nodeType === 9 ? a.documentElement : a,\n\t\t\t\tbup = b && b.parentNode;\n\t\t\treturn a === bup || !!( bup && bup.nodeType === 1 && (\n\t\t\t\tadown.contains ?\n\t\t\t\t\tadown.contains( bup ) :\n\t\t\t\t\ta.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16\n\t\t\t));\n\t\t} :\n\t\tfunction( a, b ) {\n\t\t\tif ( b ) {\n\t\t\t\twhile ( (b = b.parentNode) ) {\n\t\t\t\t\tif ( b === a ) {\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn false;\n\t\t};\n\n\t/* Sorting\n\t---------------------------------------------------------------------- */\n\n\t// Document order sorting\n\tsortOrder = hasCompare ?\n\tfunction( a, b ) {\n\n\t\t// Flag for duplicate removal\n\t\tif ( a === b ) {\n\t\t\thasDuplicate = true;\n\t\t\treturn 0;\n\t\t}\n\n\t\t// Sort on method existence if only one input has compareDocumentPosition\n\t\tvar compare = !a.compareDocumentPosition - !b.compareDocumentPosition;\n\t\tif ( compare ) {\n\t\t\treturn compare;\n\t\t}\n\n\t\t// Calculate position if both inputs belong to the same document\n\t\tcompare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?\n\t\t\ta.compareDocumentPosition( b ) :\n\n\t\t\t// Otherwise we know they are disconnected\n\t\t\t1;\n\n\t\t// Disconnected nodes\n\t\tif ( compare & 1 ||\n\t\t\t(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {\n\n\t\t\t// Choose the first element that is related to our preferred document\n\t\t\tif ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {\n\t\t\t\treturn -1;\n\t\t\t}\n\t\t\tif ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {\n\t\t\t\treturn 1;\n\t\t\t}\n\n\t\t\t// Maintain original order\n\t\t\treturn sortInput ?\n\t\t\t\t( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :\n\t\t\t\t0;\n\t\t}\n\n\t\treturn compare & 4 ? -1 : 1;\n\t} :\n\tfunction( a, b ) {\n\t\t// Exit early if the nodes are identical\n\t\tif ( a === b ) {\n\t\t\thasDuplicate = true;\n\t\t\treturn 0;\n\t\t}\n\n\t\tvar cur,\n\t\t\ti = 0,\n\t\t\taup = a.parentNode,\n\t\t\tbup = b.parentNode,\n\t\t\tap = [ a ],\n\t\t\tbp = [ b ];\n\n\t\t// Parentless nodes are either documents or disconnected\n\t\tif ( !aup || !bup ) {\n\t\t\treturn a === document ? -1 :\n\t\t\t\tb === document ? 1 :\n\t\t\t\taup ? -1 :\n\t\t\t\tbup ? 1 :\n\t\t\t\tsortInput ?\n\t\t\t\t( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :\n\t\t\t\t0;\n\n\t\t// If the nodes are siblings, we can do a quick check\n\t\t} else if ( aup === bup ) {\n\t\t\treturn siblingCheck( a, b );\n\t\t}\n\n\t\t// Otherwise we need full lists of their ancestors for comparison\n\t\tcur = a;\n\t\twhile ( (cur = cur.parentNode) ) {\n\t\t\tap.unshift( cur );\n\t\t}\n\t\tcur = b;\n\t\twhile ( (cur = cur.parentNode) ) {\n\t\t\tbp.unshift( cur );\n\t\t}\n\n\t\t// Walk down the tree looking for a discrepancy\n\t\twhile ( ap[i] === bp[i] ) {\n\t\t\ti++;\n\t\t}\n\n\t\treturn i ?\n\t\t\t// Do a sibling check if the nodes have a common ancestor\n\t\t\tsiblingCheck( ap[i], bp[i] ) :\n\n\t\t\t// Otherwise nodes in our document sort first\n\t\t\tap[i] === preferredDoc ? -1 :\n\t\t\tbp[i] === preferredDoc ? 1 :\n\t\t\t0;\n\t};\n\n\treturn document;\n};\n\nSizzle.matches = function( expr, elements ) {\n\treturn Sizzle( expr, null, null, elements );\n};\n\nSizzle.matchesSelector = function( elem, expr ) {\n\t// Set document vars if needed\n\tif ( ( elem.ownerDocument || elem ) !== document ) {\n\t\tsetDocument( elem );\n\t}\n\n\t// Make sure that attribute selectors are quoted\n\texpr = expr.replace( rattributeQuotes, \"='$1']\" );\n\n\tif ( support.matchesSelector && documentIsHTML &&\n\t\t!compilerCache[ expr + \" \" ] &&\n\t\t( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&\n\t\t( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {\n\n\t\ttry {\n\t\t\tvar ret = matches.call( elem, expr );\n\n\t\t\t// IE 9's matchesSelector returns false on disconnected nodes\n\t\t\tif ( ret || support.disconnectedMatch ||\n\t\t\t\t\t// As well, disconnected nodes are said to be in a document\n\t\t\t\t\t// fragment in IE 9\n\t\t\t\t\telem.document && elem.document.nodeType !== 11 ) {\n\t\t\t\treturn ret;\n\t\t\t}\n\t\t} catch (e) {}\n\t}\n\n\treturn Sizzle( expr, document, null, [ elem ] ).length > 0;\n};\n\nSizzle.contains = function( context, elem ) {\n\t// Set document vars if needed\n\tif ( ( context.ownerDocument || context ) !== document ) {\n\t\tsetDocument( context );\n\t}\n\treturn contains( context, elem );\n};\n\nSizzle.attr = function( elem, name ) {\n\t// Set document vars if needed\n\tif ( ( elem.ownerDocument || elem ) !== document ) {\n\t\tsetDocument( elem );\n\t}\n\n\tvar fn = Expr.attrHandle[ name.toLowerCase() ],\n\t\t// Don't get fooled by Object.prototype properties (jQuery #13807)\n\t\tval = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?\n\t\t\tfn( elem, name, !documentIsHTML ) :\n\t\t\tundefined;\n\n\treturn val !== undefined ?\n\t\tval :\n\t\tsupport.attributes || !documentIsHTML ?\n\t\t\telem.getAttribute( name ) :\n\t\t\t(val = elem.getAttributeNode(name)) && val.specified ?\n\t\t\t\tval.value :\n\t\t\t\tnull;\n};\n\nSizzle.error = function( msg ) {\n\tthrow new Error( \"Syntax error, unrecognized expression: \" + msg );\n};\n\n/**\n * Document sorting and removing duplicates\n * @param {ArrayLike} results\n */\nSizzle.uniqueSort = function( results ) {\n\tvar elem,\n\t\tduplicates = [],\n\t\tj = 0,\n\t\ti = 0;\n\n\t// Unless we *know* we can detect duplicates, assume their presence\n\thasDuplicate = !support.detectDuplicates;\n\tsortInput = !support.sortStable && results.slice( 0 );\n\tresults.sort( sortOrder );\n\n\tif ( hasDuplicate ) {\n\t\twhile ( (elem = results[i++]) ) {\n\t\t\tif ( elem === results[ i ] ) {\n\t\t\t\tj = duplicates.push( i );\n\t\t\t}\n\t\t}\n\t\twhile ( j-- ) {\n\t\t\tresults.splice( duplicates[ j ], 1 );\n\t\t}\n\t}\n\n\t// Clear input after sorting to release objects\n\t// See https://github.com/jquery/sizzle/pull/225\n\tsortInput = null;\n\n\treturn results;\n};\n\n/**\n * Utility function for retrieving the text value of an array of DOM nodes\n * @param {Array|Element} elem\n */\ngetText = Sizzle.getText = function( elem ) {\n\tvar node,\n\t\tret = \"\",\n\t\ti = 0,\n\t\tnodeType = elem.nodeType;\n\n\tif ( !nodeType ) {\n\t\t// If no nodeType, this is expected to be an array\n\t\twhile ( (node = elem[i++]) ) {\n\t\t\t// Do not traverse comment nodes\n\t\t\tret += getText( node );\n\t\t}\n\t} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {\n\t\t// Use textContent for elements\n\t\t// innerText usage removed for consistency of new lines (jQuery #11153)\n\t\tif ( typeof elem.textContent === \"string\" ) {\n\t\t\treturn elem.textContent;\n\t\t} else {\n\t\t\t// Traverse its children\n\t\t\tfor ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {\n\t\t\t\tret += getText( elem );\n\t\t\t}\n\t\t}\n\t} else if ( nodeType === 3 || nodeType === 4 ) {\n\t\treturn elem.nodeValue;\n\t}\n\t// Do not include comment or processing instruction nodes\n\n\treturn ret;\n};\n\nExpr = Sizzle.selectors = {\n\n\t// Can be adjusted by the user\n\tcacheLength: 50,\n\n\tcreatePseudo: markFunction,\n\n\tmatch: matchExpr,\n\n\tattrHandle: {},\n\n\tfind: {},\n\n\trelative: {\n\t\t\">\": { dir: \"parentNode\", first: true },\n\t\t\" \": { dir: \"parentNode\" },\n\t\t\"+\": { dir: \"previousSibling\", first: true },\n\t\t\"~\": { dir: \"previousSibling\" }\n\t},\n\n\tpreFilter: {\n\t\t\"ATTR\": function( match ) {\n\t\t\tmatch[1] = match[1].replace( runescape, funescape );\n\n\t\t\t// Move the given value to match[3] whether quoted or unquoted\n\t\t\tmatch[3] = ( match[3] || match[4] || match[5] || \"\" ).replace( runescape, funescape );\n\n\t\t\tif ( match[2] === \"~=\" ) {\n\t\t\t\tmatch[3] = \" \" + match[3] + \" \";\n\t\t\t}\n\n\t\t\treturn match.slice( 0, 4 );\n\t\t},\n\n\t\t\"CHILD\": function( match ) {\n\t\t\t/* matches from matchExpr[\"CHILD\"]\n\t\t\t\t1 type (only|nth|...)\n\t\t\t\t2 what (child|of-type)\n\t\t\t\t3 argument (even|odd|\\d*|\\d*n([+-]\\d+)?|...)\n\t\t\t\t4 xn-component of xn+y argument ([+-]?\\d*n|)\n\t\t\t\t5 sign of xn-component\n\t\t\t\t6 x of xn-component\n\t\t\t\t7 sign of y-component\n\t\t\t\t8 y of y-component\n\t\t\t*/\n\t\t\tmatch[1] = match[1].toLowerCase();\n\n\t\t\tif ( match[1].slice( 0, 3 ) === \"nth\" ) {\n\t\t\t\t// nth-* requires argument\n\t\t\t\tif ( !match[3] ) {\n\t\t\t\t\tSizzle.error( match[0] );\n\t\t\t\t}\n\n\t\t\t\t// numeric x and y parameters for Expr.filter.CHILD\n\t\t\t\t// remember that false/true cast respectively to 0/1\n\t\t\t\tmatch[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === \"even\" || match[3] === \"odd\" ) );\n\t\t\t\tmatch[5] = +( ( match[7] + match[8] ) || match[3] === \"odd\" );\n\n\t\t\t// other types prohibit arguments\n\t\t\t} else if ( match[3] ) {\n\t\t\t\tSizzle.error( match[0] );\n\t\t\t}\n\n\t\t\treturn match;\n\t\t},\n\n\t\t\"PSEUDO\": function( match ) {\n\t\t\tvar excess,\n\t\t\t\tunquoted = !match[6] && match[2];\n\n\t\t\tif ( matchExpr[\"CHILD\"].test( match[0] ) ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\t// Accept quoted arguments as-is\n\t\t\tif ( match[3] ) {\n\t\t\t\tmatch[2] = match[4] || match[5] || \"\";\n\n\t\t\t// Strip excess characters from unquoted arguments\n\t\t\t} else if ( unquoted && rpseudo.test( unquoted ) &&\n\t\t\t\t// Get excess from tokenize (recursively)\n\t\t\t\t(excess = tokenize( unquoted, true )) &&\n\t\t\t\t// advance to the next closing parenthesis\n\t\t\t\t(excess = unquoted.indexOf( \")\", unquoted.length - excess ) - unquoted.length) ) {\n\n\t\t\t\t// excess is a negative index\n\t\t\t\tmatch[0] = match[0].slice( 0, excess );\n\t\t\t\tmatch[2] = unquoted.slice( 0, excess );\n\t\t\t}\n\n\t\t\t// Return only captures needed by the pseudo filter method (type and argument)\n\t\t\treturn match.slice( 0, 3 );\n\t\t}\n\t},\n\n\tfilter: {\n\n\t\t\"TAG\": function( nodeNameSelector ) {\n\t\t\tvar nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();\n\t\t\treturn nodeNameSelector === \"*\" ?\n\t\t\t\tfunction() { return true; } :\n\t\t\t\tfunction( elem ) {\n\t\t\t\t\treturn elem.nodeName && elem.nodeName.toLowerCase() === nodeName;\n\t\t\t\t};\n\t\t},\n\n\t\t\"CLASS\": function( className ) {\n\t\t\tvar pattern = classCache[ className + \" \" ];\n\n\t\t\treturn pattern ||\n\t\t\t\t(pattern = new RegExp( \"(^|\" + whitespace + \")\" + className + \"(\" + whitespace + \"|$)\" )) &&\n\t\t\t\tclassCache( className, function( elem ) {\n\t\t\t\t\treturn pattern.test( typeof elem.className === \"string\" && elem.className || typeof elem.getAttribute !== \"undefined\" && elem.getAttribute(\"class\") || \"\" );\n\t\t\t\t});\n\t\t},\n\n\t\t\"ATTR\": function( name, operator, check ) {\n\t\t\treturn function( elem ) {\n\t\t\t\tvar result = Sizzle.attr( elem, name );\n\n\t\t\t\tif ( result == null ) {\n\t\t\t\t\treturn operator === \"!=\";\n\t\t\t\t}\n\t\t\t\tif ( !operator ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\n\t\t\t\tresult += \"\";\n\n\t\t\t\treturn operator === \"=\" ? result === check :\n\t\t\t\t\toperator === \"!=\" ? result !== check :\n\t\t\t\t\toperator === \"^=\" ? check && result.indexOf( check ) === 0 :\n\t\t\t\t\toperator === \"*=\" ? check && result.indexOf( check ) > -1 :\n\t\t\t\t\toperator === \"$=\" ? check && result.slice( -check.length ) === check :\n\t\t\t\t\toperator === \"~=\" ? ( \" \" + result.replace( rwhitespace, \" \" ) + \" \" ).indexOf( check ) > -1 :\n\t\t\t\t\toperator === \"|=\" ? result === check || result.slice( 0, check.length + 1 ) === check + \"-\" :\n\t\t\t\t\tfalse;\n\t\t\t};\n\t\t},\n\n\t\t\"CHILD\": function( type, what, argument, first, last ) {\n\t\t\tvar simple = type.slice( 0, 3 ) !== \"nth\",\n\t\t\t\tforward = type.slice( -4 ) !== \"last\",\n\t\t\t\tofType = what === \"of-type\";\n\n\t\t\treturn first === 1 && last === 0 ?\n\n\t\t\t\t// Shortcut for :nth-*(n)\n\t\t\t\tfunction( elem ) {\n\t\t\t\t\treturn !!elem.parentNode;\n\t\t\t\t} :\n\n\t\t\t\tfunction( elem, context, xml ) {\n\t\t\t\t\tvar cache, uniqueCache, outerCache, node, nodeIndex, start,\n\t\t\t\t\t\tdir = simple !== forward ? \"nextSibling\" : \"previousSibling\",\n\t\t\t\t\t\tparent = elem.parentNode,\n\t\t\t\t\t\tname = ofType && elem.nodeName.toLowerCase(),\n\t\t\t\t\t\tuseCache = !xml && !ofType,\n\t\t\t\t\t\tdiff = false;\n\n\t\t\t\t\tif ( parent ) {\n\n\t\t\t\t\t\t// :(first|last|only)-(child|of-type)\n\t\t\t\t\t\tif ( simple ) {\n\t\t\t\t\t\t\twhile ( dir ) {\n\t\t\t\t\t\t\t\tnode = elem;\n\t\t\t\t\t\t\t\twhile ( (node = node[ dir ]) ) {\n\t\t\t\t\t\t\t\t\tif ( ofType ?\n\t\t\t\t\t\t\t\t\t\tnode.nodeName.toLowerCase() === name :\n\t\t\t\t\t\t\t\t\t\tnode.nodeType === 1 ) {\n\n\t\t\t\t\t\t\t\t\t\treturn false;\n\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t// Reverse direction for :only-* (if we haven't yet done so)\n\t\t\t\t\t\t\t\tstart = dir = type === \"only\" && !start && \"nextSibling\";\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\treturn true;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tstart = [ forward ? parent.firstChild : parent.lastChild ];\n\n\t\t\t\t\t\t// non-xml :nth-child(...) stores cache data on `parent`\n\t\t\t\t\t\tif ( forward && useCache ) {\n\n\t\t\t\t\t\t\t// Seek `elem` from a previously-cached index\n\n\t\t\t\t\t\t\t// ...in a gzip-friendly way\n\t\t\t\t\t\t\tnode = parent;\n\t\t\t\t\t\t\touterCache = node[ expando ] || (node[ expando ] = {});\n\n\t\t\t\t\t\t\t// Support: IE <9 only\n\t\t\t\t\t\t\t// Defend against cloned attroperties (jQuery gh-1709)\n\t\t\t\t\t\t\tuniqueCache = outerCache[ node.uniqueID ] ||\n\t\t\t\t\t\t\t\t(outerCache[ node.uniqueID ] = {});\n\n\t\t\t\t\t\t\tcache = uniqueCache[ type ] || [];\n\t\t\t\t\t\t\tnodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];\n\t\t\t\t\t\t\tdiff = nodeIndex && cache[ 2 ];\n\t\t\t\t\t\t\tnode = nodeIndex && parent.childNodes[ nodeIndex ];\n\n\t\t\t\t\t\t\twhile ( (node = ++nodeIndex && node && node[ dir ] ||\n\n\t\t\t\t\t\t\t\t// Fallback to seeking `elem` from the start\n\t\t\t\t\t\t\t\t(diff = nodeIndex = 0) || start.pop()) ) {\n\n\t\t\t\t\t\t\t\t// When found, cache indexes on `parent` and break\n\t\t\t\t\t\t\t\tif ( node.nodeType === 1 && ++diff && node === elem ) {\n\t\t\t\t\t\t\t\t\tuniqueCache[ type ] = [ dirruns, nodeIndex, diff ];\n\t\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t// Use previously-cached element index if available\n\t\t\t\t\t\t\tif ( useCache ) {\n\t\t\t\t\t\t\t\t// ...in a gzip-friendly way\n\t\t\t\t\t\t\t\tnode = elem;\n\t\t\t\t\t\t\t\touterCache = node[ expando ] || (node[ expando ] = {});\n\n\t\t\t\t\t\t\t\t// Support: IE <9 only\n\t\t\t\t\t\t\t\t// Defend against cloned attroperties (jQuery gh-1709)\n\t\t\t\t\t\t\t\tuniqueCache = outerCache[ node.uniqueID ] ||\n\t\t\t\t\t\t\t\t\t(outerCache[ node.uniqueID ] = {});\n\n\t\t\t\t\t\t\t\tcache = uniqueCache[ type ] || [];\n\t\t\t\t\t\t\t\tnodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];\n\t\t\t\t\t\t\t\tdiff = nodeIndex;\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t// xml :nth-child(...)\n\t\t\t\t\t\t\t// or :nth-last-child(...) or :nth(-last)?-of-type(...)\n\t\t\t\t\t\t\tif ( diff === false ) {\n\t\t\t\t\t\t\t\t// Use the same loop as above to seek `elem` from the start\n\t\t\t\t\t\t\t\twhile ( (node = ++nodeIndex && node && node[ dir ] ||\n\t\t\t\t\t\t\t\t\t(diff = nodeIndex = 0) || start.pop()) ) {\n\n\t\t\t\t\t\t\t\t\tif ( ( ofType ?\n\t\t\t\t\t\t\t\t\t\tnode.nodeName.toLowerCase() === name :\n\t\t\t\t\t\t\t\t\t\tnode.nodeType === 1 ) &&\n\t\t\t\t\t\t\t\t\t\t++diff ) {\n\n\t\t\t\t\t\t\t\t\t\t// Cache the index of each encountered element\n\t\t\t\t\t\t\t\t\t\tif ( useCache ) {\n\t\t\t\t\t\t\t\t\t\t\touterCache = node[ expando ] || (node[ expando ] = {});\n\n\t\t\t\t\t\t\t\t\t\t\t// Support: IE <9 only\n\t\t\t\t\t\t\t\t\t\t\t// Defend against cloned attroperties (jQuery gh-1709)\n\t\t\t\t\t\t\t\t\t\t\tuniqueCache = outerCache[ node.uniqueID ] ||\n\t\t\t\t\t\t\t\t\t\t\t\t(outerCache[ node.uniqueID ] = {});\n\n\t\t\t\t\t\t\t\t\t\t\tuniqueCache[ type ] = [ dirruns, diff ];\n\t\t\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t\t\t\tif ( node === elem ) {\n\t\t\t\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Incorporate the offset, then check against cycle size\n\t\t\t\t\t\tdiff -= last;\n\t\t\t\t\t\treturn diff === first || ( diff % first === 0 && diff / first >= 0 );\n\t\t\t\t\t}\n\t\t\t\t};\n\t\t},\n\n\t\t\"PSEUDO\": function( pseudo, argument ) {\n\t\t\t// pseudo-class names are case-insensitive\n\t\t\t// http://www.w3.org/TR/selectors/#pseudo-classes\n\t\t\t// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters\n\t\t\t// Remember that setFilters inherits from pseudos\n\t\t\tvar args,\n\t\t\t\tfn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||\n\t\t\t\t\tSizzle.error( \"unsupported pseudo: \" + pseudo );\n\n\t\t\t// The user may use createPseudo to indicate that\n\t\t\t// arguments are needed to create the filter function\n\t\t\t// just as Sizzle does\n\t\t\tif ( fn[ expando ] ) {\n\t\t\t\treturn fn( argument );\n\t\t\t}\n\n\t\t\t// But maintain support for old signatures\n\t\t\tif ( fn.length > 1 ) {\n\t\t\t\targs = [ pseudo, pseudo, \"\", argument ];\n\t\t\t\treturn Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?\n\t\t\t\t\tmarkFunction(function( seed, matches ) {\n\t\t\t\t\t\tvar idx,\n\t\t\t\t\t\t\tmatched = fn( seed, argument ),\n\t\t\t\t\t\t\ti = matched.length;\n\t\t\t\t\t\twhile ( i-- ) {\n\t\t\t\t\t\t\tidx = indexOf( seed, matched[i] );\n\t\t\t\t\t\t\tseed[ idx ] = !( matches[ idx ] = matched[i] );\n\t\t\t\t\t\t}\n\t\t\t\t\t}) :\n\t\t\t\t\tfunction( elem ) {\n\t\t\t\t\t\treturn fn( elem, 0, args );\n\t\t\t\t\t};\n\t\t\t}\n\n\t\t\treturn fn;\n\t\t}\n\t},\n\n\tpseudos: {\n\t\t// Potentially complex pseudos\n\t\t\"not\": markFunction(function( selector ) {\n\t\t\t// Trim the selector passed to compile\n\t\t\t// to avoid treating leading and trailing\n\t\t\t// spaces as combinators\n\t\t\tvar input = [],\n\t\t\t\tresults = [],\n\t\t\t\tmatcher = compile( selector.replace( rtrim, \"$1\" ) );\n\n\t\t\treturn matcher[ expando ] ?\n\t\t\t\tmarkFunction(function( seed, matches, context, xml ) {\n\t\t\t\t\tvar elem,\n\t\t\t\t\t\tunmatched = matcher( seed, null, xml, [] ),\n\t\t\t\t\t\ti = seed.length;\n\n\t\t\t\t\t// Match elements unmatched by `matcher`\n\t\t\t\t\twhile ( i-- ) {\n\t\t\t\t\t\tif ( (elem = unmatched[i]) ) {\n\t\t\t\t\t\t\tseed[i] = !(matches[i] = elem);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}) :\n\t\t\t\tfunction( elem, context, xml ) {\n\t\t\t\t\tinput[0] = elem;\n\t\t\t\t\tmatcher( input, null, xml, results );\n\t\t\t\t\t// Don't keep the element (issue #299)\n\t\t\t\t\tinput[0] = null;\n\t\t\t\t\treturn !results.pop();\n\t\t\t\t};\n\t\t}),\n\n\t\t\"has\": markFunction(function( selector ) {\n\t\t\treturn function( elem ) {\n\t\t\t\treturn Sizzle( selector, elem ).length > 0;\n\t\t\t};\n\t\t}),\n\n\t\t\"contains\": markFunction(function( text ) {\n\t\t\ttext = text.replace( runescape, funescape );\n\t\t\treturn function( elem ) {\n\t\t\t\treturn ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;\n\t\t\t};\n\t\t}),\n\n\t\t// \"Whether an element is represented by a :lang() selector\n\t\t// is based solely on the element's language value\n\t\t// being equal to the identifier C,\n\t\t// or beginning with the identifier C immediately followed by \"-\".\n\t\t// The matching of C against the element's language value is performed case-insensitively.\n\t\t// The identifier C does not have to be a valid language name.\"\n\t\t// http://www.w3.org/TR/selectors/#lang-pseudo\n\t\t\"lang\": markFunction( function( lang ) {\n\t\t\t// lang value must be a valid identifier\n\t\t\tif ( !ridentifier.test(lang || \"\") ) {\n\t\t\t\tSizzle.error( \"unsupported lang: \" + lang );\n\t\t\t}\n\t\t\tlang = lang.replace( runescape, funescape ).toLowerCase();\n\t\t\treturn function( elem ) {\n\t\t\t\tvar elemLang;\n\t\t\t\tdo {\n\t\t\t\t\tif ( (elemLang = documentIsHTML ?\n\t\t\t\t\t\telem.lang :\n\t\t\t\t\t\telem.getAttribute(\"xml:lang\") || elem.getAttribute(\"lang\")) ) {\n\n\t\t\t\t\t\telemLang = elemLang.toLowerCase();\n\t\t\t\t\t\treturn elemLang === lang || elemLang.indexOf( lang + \"-\" ) === 0;\n\t\t\t\t\t}\n\t\t\t\t} while ( (elem = elem.parentNode) && elem.nodeType === 1 );\n\t\t\t\treturn false;\n\t\t\t};\n\t\t}),\n\n\t\t// Miscellaneous\n\t\t\"target\": function( elem ) {\n\t\t\tvar hash = window.location && window.location.hash;\n\t\t\treturn hash && hash.slice( 1 ) === elem.id;\n\t\t},\n\n\t\t\"root\": function( elem ) {\n\t\t\treturn elem === docElem;\n\t\t},\n\n\t\t\"focus\": function( elem ) {\n\t\t\treturn elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);\n\t\t},\n\n\t\t// Boolean properties\n\t\t\"enabled\": function( elem ) {\n\t\t\treturn elem.disabled === false;\n\t\t},\n\n\t\t\"disabled\": function( elem ) {\n\t\t\treturn elem.disabled === true;\n\t\t},\n\n\t\t\"checked\": function( elem ) {\n\t\t\t// In CSS3, :checked should return both checked and selected elements\n\t\t\t// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked\n\t\t\tvar nodeName = elem.nodeName.toLowerCase();\n\t\t\treturn (nodeName === \"input\" && !!elem.checked) || (nodeName === \"option\" && !!elem.selected);\n\t\t},\n\n\t\t\"selected\": function( elem ) {\n\t\t\t// Accessing this property makes selected-by-default\n\t\t\t// options in Safari work properly\n\t\t\tif ( elem.parentNode ) {\n\t\t\t\telem.parentNode.selectedIndex;\n\t\t\t}\n\n\t\t\treturn elem.selected === true;\n\t\t},\n\n\t\t// Contents\n\t\t\"empty\": function( elem ) {\n\t\t\t// http://www.w3.org/TR/selectors/#empty-pseudo\n\t\t\t// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),\n\t\t\t//   but not by others (comment: 8; processing instruction: 7; etc.)\n\t\t\t// nodeType < 6 works because attributes (2) do not appear as children\n\t\t\tfor ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {\n\t\t\t\tif ( elem.nodeType < 6 ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn true;\n\t\t},\n\n\t\t\"parent\": function( elem ) {\n\t\t\treturn !Expr.pseudos[\"empty\"]( elem );\n\t\t},\n\n\t\t// Element/input types\n\t\t\"header\": function( elem ) {\n\t\t\treturn rheader.test( elem.nodeName );\n\t\t},\n\n\t\t\"input\": function( elem ) {\n\t\t\treturn rinputs.test( elem.nodeName );\n\t\t},\n\n\t\t\"button\": function( elem ) {\n\t\t\tvar name = elem.nodeName.toLowerCase();\n\t\t\treturn name === \"input\" && elem.type === \"button\" || name === \"button\";\n\t\t},\n\n\t\t\"text\": function( elem ) {\n\t\t\tvar attr;\n\t\t\treturn elem.nodeName.toLowerCase() === \"input\" &&\n\t\t\t\telem.type === \"text\" &&\n\n\t\t\t\t// Support: IE<8\n\t\t\t\t// New HTML5 attribute values (e.g., \"search\") appear with elem.type === \"text\"\n\t\t\t\t( (attr = elem.getAttribute(\"type\")) == null || attr.toLowerCase() === \"text\" );\n\t\t},\n\n\t\t// Position-in-collection\n\t\t\"first\": createPositionalPseudo(function() {\n\t\t\treturn [ 0 ];\n\t\t}),\n\n\t\t\"last\": createPositionalPseudo(function( matchIndexes, length ) {\n\t\t\treturn [ length - 1 ];\n\t\t}),\n\n\t\t\"eq\": createPositionalPseudo(function( matchIndexes, length, argument ) {\n\t\t\treturn [ argument < 0 ? argument + length : argument ];\n\t\t}),\n\n\t\t\"even\": createPositionalPseudo(function( matchIndexes, length ) {\n\t\t\tvar i = 0;\n\t\t\tfor ( ; i < length; i += 2 ) {\n\t\t\t\tmatchIndexes.push( i );\n\t\t\t}\n\t\t\treturn matchIndexes;\n\t\t}),\n\n\t\t\"odd\": createPositionalPseudo(function( matchIndexes, length ) {\n\t\t\tvar i = 1;\n\t\t\tfor ( ; i < length; i += 2 ) {\n\t\t\t\tmatchIndexes.push( i );\n\t\t\t}\n\t\t\treturn matchIndexes;\n\t\t}),\n\n\t\t\"lt\": createPositionalPseudo(function( matchIndexes, length, argument ) {\n\t\t\tvar i = argument < 0 ? argument + length : argument;\n\t\t\tfor ( ; --i >= 0; ) {\n\t\t\t\tmatchIndexes.push( i );\n\t\t\t}\n\t\t\treturn matchIndexes;\n\t\t}),\n\n\t\t\"gt\": createPositionalPseudo(function( matchIndexes, length, argument ) {\n\t\t\tvar i = argument < 0 ? argument + length : argument;\n\t\t\tfor ( ; ++i < length; ) {\n\t\t\t\tmatchIndexes.push( i );\n\t\t\t}\n\t\t\treturn matchIndexes;\n\t\t})\n\t}\n};\n\nExpr.pseudos[\"nth\"] = Expr.pseudos[\"eq\"];\n\n// Add button/input type pseudos\nfor ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {\n\tExpr.pseudos[ i ] = createInputPseudo( i );\n}\nfor ( i in { submit: true, reset: true } ) {\n\tExpr.pseudos[ i ] = createButtonPseudo( i );\n}\n\n// Easy API for creating new setFilters\nfunction setFilters() {}\nsetFilters.prototype = Expr.filters = Expr.pseudos;\nExpr.setFilters = new setFilters();\n\ntokenize = Sizzle.tokenize = function( selector, parseOnly ) {\n\tvar matched, match, tokens, type,\n\t\tsoFar, groups, preFilters,\n\t\tcached = tokenCache[ selector + \" \" ];\n\n\tif ( cached ) {\n\t\treturn parseOnly ? 0 : cached.slice( 0 );\n\t}\n\n\tsoFar = selector;\n\tgroups = [];\n\tpreFilters = Expr.preFilter;\n\n\twhile ( soFar ) {\n\n\t\t// Comma and first run\n\t\tif ( !matched || (match = rcomma.exec( soFar )) ) {\n\t\t\tif ( match ) {\n\t\t\t\t// Don't consume trailing commas as valid\n\t\t\t\tsoFar = soFar.slice( match[0].length ) || soFar;\n\t\t\t}\n\t\t\tgroups.push( (tokens = []) );\n\t\t}\n\n\t\tmatched = false;\n\n\t\t// Combinators\n\t\tif ( (match = rcombinators.exec( soFar )) ) {\n\t\t\tmatched = match.shift();\n\t\t\ttokens.push({\n\t\t\t\tvalue: matched,\n\t\t\t\t// Cast descendant combinators to space\n\t\t\t\ttype: match[0].replace( rtrim, \" \" )\n\t\t\t});\n\t\t\tsoFar = soFar.slice( matched.length );\n\t\t}\n\n\t\t// Filters\n\t\tfor ( type in Expr.filter ) {\n\t\t\tif ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||\n\t\t\t\t(match = preFilters[ type ]( match ))) ) {\n\t\t\t\tmatched = match.shift();\n\t\t\t\ttokens.push({\n\t\t\t\t\tvalue: matched,\n\t\t\t\t\ttype: type,\n\t\t\t\t\tmatches: match\n\t\t\t\t});\n\t\t\t\tsoFar = soFar.slice( matched.length );\n\t\t\t}\n\t\t}\n\n\t\tif ( !matched ) {\n\t\t\tbreak;\n\t\t}\n\t}\n\n\t// Return the length of the invalid excess\n\t// if we're just parsing\n\t// Otherwise, throw an error or return tokens\n\treturn parseOnly ?\n\t\tsoFar.length :\n\t\tsoFar ?\n\t\t\tSizzle.error( selector ) :\n\t\t\t// Cache the tokens\n\t\t\ttokenCache( selector, groups ).slice( 0 );\n};\n\nfunction toSelector( tokens ) {\n\tvar i = 0,\n\t\tlen = tokens.length,\n\t\tselector = \"\";\n\tfor ( ; i < len; i++ ) {\n\t\tselector += tokens[i].value;\n\t}\n\treturn selector;\n}\n\nfunction addCombinator( matcher, combinator, base ) {\n\tvar dir = combinator.dir,\n\t\tcheckNonElements = base && dir === \"parentNode\",\n\t\tdoneName = done++;\n\n\treturn combinator.first ?\n\t\t// Check against closest ancestor/preceding element\n\t\tfunction( elem, context, xml ) {\n\t\t\twhile ( (elem = elem[ dir ]) ) {\n\t\t\t\tif ( elem.nodeType === 1 || checkNonElements ) {\n\t\t\t\t\treturn matcher( elem, context, xml );\n\t\t\t\t}\n\t\t\t}\n\t\t} :\n\n\t\t// Check against all ancestor/preceding elements\n\t\tfunction( elem, context, xml ) {\n\t\t\tvar oldCache, uniqueCache, outerCache,\n\t\t\t\tnewCache = [ dirruns, doneName ];\n\n\t\t\t// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching\n\t\t\tif ( xml ) {\n\t\t\t\twhile ( (elem = elem[ dir ]) ) {\n\t\t\t\t\tif ( elem.nodeType === 1 || checkNonElements ) {\n\t\t\t\t\t\tif ( matcher( elem, context, xml ) ) {\n\t\t\t\t\t\t\treturn true;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\twhile ( (elem = elem[ dir ]) ) {\n\t\t\t\t\tif ( elem.nodeType === 1 || checkNonElements ) {\n\t\t\t\t\t\touterCache = elem[ expando ] || (elem[ expando ] = {});\n\n\t\t\t\t\t\t// Support: IE <9 only\n\t\t\t\t\t\t// Defend against cloned attroperties (jQuery gh-1709)\n\t\t\t\t\t\tuniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});\n\n\t\t\t\t\t\tif ( (oldCache = uniqueCache[ dir ]) &&\n\t\t\t\t\t\t\toldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {\n\n\t\t\t\t\t\t\t// Assign to newCache so results back-propagate to previous elements\n\t\t\t\t\t\t\treturn (newCache[ 2 ] = oldCache[ 2 ]);\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t// Reuse newcache so results back-propagate to previous elements\n\t\t\t\t\t\t\tuniqueCache[ dir ] = newCache;\n\n\t\t\t\t\t\t\t// A match means we're done; a fail means we have to keep checking\n\t\t\t\t\t\t\tif ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {\n\t\t\t\t\t\t\t\treturn true;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t};\n}\n\nfunction elementMatcher( matchers ) {\n\treturn matchers.length > 1 ?\n\t\tfunction( elem, context, xml ) {\n\t\t\tvar i = matchers.length;\n\t\t\twhile ( i-- ) {\n\t\t\t\tif ( !matchers[i]( elem, context, xml ) ) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn true;\n\t\t} :\n\t\tmatchers[0];\n}\n\nfunction multipleContexts( selector, contexts, results ) {\n\tvar i = 0,\n\t\tlen = contexts.length;\n\tfor ( ; i < len; i++ ) {\n\t\tSizzle( selector, contexts[i], results );\n\t}\n\treturn results;\n}\n\nfunction condense( unmatched, map, filter, context, xml ) {\n\tvar elem,\n\t\tnewUnmatched = [],\n\t\ti = 0,\n\t\tlen = unmatched.length,\n\t\tmapped = map != null;\n\n\tfor ( ; i < len; i++ ) {\n\t\tif ( (elem = unmatched[i]) ) {\n\t\t\tif ( !filter || filter( elem, context, xml ) ) {\n\t\t\t\tnewUnmatched.push( elem );\n\t\t\t\tif ( mapped ) {\n\t\t\t\t\tmap.push( i );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn newUnmatched;\n}\n\nfunction setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {\n\tif ( postFilter && !postFilter[ expando ] ) {\n\t\tpostFilter = setMatcher( postFilter );\n\t}\n\tif ( postFinder && !postFinder[ expando ] ) {\n\t\tpostFinder = setMatcher( postFinder, postSelector );\n\t}\n\treturn markFunction(function( seed, results, context, xml ) {\n\t\tvar temp, i, elem,\n\t\t\tpreMap = [],\n\t\t\tpostMap = [],\n\t\t\tpreexisting = results.length,\n\n\t\t\t// Get initial elements from seed or context\n\t\t\telems = seed || multipleContexts( selector || \"*\", context.nodeType ? [ context ] : context, [] ),\n\n\t\t\t// Prefilter to get matcher input, preserving a map for seed-results synchronization\n\t\t\tmatcherIn = preFilter && ( seed || !selector ) ?\n\t\t\t\tcondense( elems, preMap, preFilter, context, xml ) :\n\t\t\t\telems,\n\n\t\t\tmatcherOut = matcher ?\n\t\t\t\t// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,\n\t\t\t\tpostFinder || ( seed ? preFilter : preexisting || postFilter ) ?\n\n\t\t\t\t\t// ...intermediate processing is necessary\n\t\t\t\t\t[] :\n\n\t\t\t\t\t// ...otherwise use results directly\n\t\t\t\t\tresults :\n\t\t\t\tmatcherIn;\n\n\t\t// Find primary matches\n\t\tif ( matcher ) {\n\t\t\tmatcher( matcherIn, matcherOut, context, xml );\n\t\t}\n\n\t\t// Apply postFilter\n\t\tif ( postFilter ) {\n\t\t\ttemp = condense( matcherOut, postMap );\n\t\t\tpostFilter( temp, [], context, xml );\n\n\t\t\t// Un-match failing elements by moving them back to matcherIn\n\t\t\ti = temp.length;\n\t\t\twhile ( i-- ) {\n\t\t\t\tif ( (elem = temp[i]) ) {\n\t\t\t\t\tmatcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif ( seed ) {\n\t\t\tif ( postFinder || preFilter ) {\n\t\t\t\tif ( postFinder ) {\n\t\t\t\t\t// Get the final matcherOut by condensing this intermediate into postFinder contexts\n\t\t\t\t\ttemp = [];\n\t\t\t\t\ti = matcherOut.length;\n\t\t\t\t\twhile ( i-- ) {\n\t\t\t\t\t\tif ( (elem = matcherOut[i]) ) {\n\t\t\t\t\t\t\t// Restore matcherIn since elem is not yet a final match\n\t\t\t\t\t\t\ttemp.push( (matcherIn[i] = elem) );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tpostFinder( null, (matcherOut = []), temp, xml );\n\t\t\t\t}\n\n\t\t\t\t// Move matched elements from seed to results to keep them synchronized\n\t\t\t\ti = matcherOut.length;\n\t\t\t\twhile ( i-- ) {\n\t\t\t\t\tif ( (elem = matcherOut[i]) &&\n\t\t\t\t\t\t(temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {\n\n\t\t\t\t\t\tseed[temp] = !(results[temp] = elem);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t// Add elements to results, through postFinder if defined\n\t\t} else {\n\t\t\tmatcherOut = condense(\n\t\t\t\tmatcherOut === results ?\n\t\t\t\t\tmatcherOut.splice( preexisting, matcherOut.length ) :\n\t\t\t\t\tmatcherOut\n\t\t\t);\n\t\t\tif ( postFinder ) {\n\t\t\t\tpostFinder( null, results, matcherOut, xml );\n\t\t\t} else {\n\t\t\t\tpush.apply( results, matcherOut );\n\t\t\t}\n\t\t}\n\t});\n}\n\nfunction matcherFromTokens( tokens ) {\n\tvar checkContext, matcher, j,\n\t\tlen = tokens.length,\n\t\tleadingRelative = Expr.relative[ tokens[0].type ],\n\t\timplicitRelative = leadingRelative || Expr.relative[\" \"],\n\t\ti = leadingRelative ? 1 : 0,\n\n\t\t// The foundational matcher ensures that elements are reachable from top-level context(s)\n\t\tmatchContext = addCombinator( function( elem ) {\n\t\t\treturn elem === checkContext;\n\t\t}, implicitRelative, true ),\n\t\tmatchAnyContext = addCombinator( function( elem ) {\n\t\t\treturn indexOf( checkContext, elem ) > -1;\n\t\t}, implicitRelative, true ),\n\t\tmatchers = [ function( elem, context, xml ) {\n\t\t\tvar ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (\n\t\t\t\t(checkContext = context).nodeType ?\n\t\t\t\t\tmatchContext( elem, context, xml ) :\n\t\t\t\t\tmatchAnyContext( elem, context, xml ) );\n\t\t\t// Avoid hanging onto element (issue #299)\n\t\t\tcheckContext = null;\n\t\t\treturn ret;\n\t\t} ];\n\n\tfor ( ; i < len; i++ ) {\n\t\tif ( (matcher = Expr.relative[ tokens[i].type ]) ) {\n\t\t\tmatchers = [ addCombinator(elementMatcher( matchers ), matcher) ];\n\t\t} else {\n\t\t\tmatcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );\n\n\t\t\t// Return special upon seeing a positional matcher\n\t\t\tif ( matcher[ expando ] ) {\n\t\t\t\t// Find the next relative operator (if any) for proper handling\n\t\t\t\tj = ++i;\n\t\t\t\tfor ( ; j < len; j++ ) {\n\t\t\t\t\tif ( Expr.relative[ tokens[j].type ] ) {\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\treturn setMatcher(\n\t\t\t\t\ti > 1 && elementMatcher( matchers ),\n\t\t\t\t\ti > 1 && toSelector(\n\t\t\t\t\t\t// If the preceding token was a descendant combinator, insert an implicit any-element `*`\n\t\t\t\t\t\ttokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === \" \" ? \"*\" : \"\" })\n\t\t\t\t\t).replace( rtrim, \"$1\" ),\n\t\t\t\t\tmatcher,\n\t\t\t\t\ti < j && matcherFromTokens( tokens.slice( i, j ) ),\n\t\t\t\t\tj < len && matcherFromTokens( (tokens = tokens.slice( j )) ),\n\t\t\t\t\tj < len && toSelector( tokens )\n\t\t\t\t);\n\t\t\t}\n\t\t\tmatchers.push( matcher );\n\t\t}\n\t}\n\n\treturn elementMatcher( matchers );\n}\n\nfunction matcherFromGroupMatchers( elementMatchers, setMatchers ) {\n\tvar bySet = setMatchers.length > 0,\n\t\tbyElement = elementMatchers.length > 0,\n\t\tsuperMatcher = function( seed, context, xml, results, outermost ) {\n\t\t\tvar elem, j, matcher,\n\t\t\t\tmatchedCount = 0,\n\t\t\t\ti = \"0\",\n\t\t\t\tunmatched = seed && [],\n\t\t\t\tsetMatched = [],\n\t\t\t\tcontextBackup = outermostContext,\n\t\t\t\t// We must always have either seed elements or outermost context\n\t\t\t\telems = seed || byElement && Expr.find[\"TAG\"]( \"*\", outermost ),\n\t\t\t\t// Use integer dirruns iff this is the outermost matcher\n\t\t\t\tdirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),\n\t\t\t\tlen = elems.length;\n\n\t\t\tif ( outermost ) {\n\t\t\t\toutermostContext = context === document || context || outermost;\n\t\t\t}\n\n\t\t\t// Add elements passing elementMatchers directly to results\n\t\t\t// Support: IE<9, Safari\n\t\t\t// Tolerate NodeList properties (IE: \"length\"; Safari: <number>) matching elements by id\n\t\t\tfor ( ; i !== len && (elem = elems[i]) != null; i++ ) {\n\t\t\t\tif ( byElement && elem ) {\n\t\t\t\t\tj = 0;\n\t\t\t\t\tif ( !context && elem.ownerDocument !== document ) {\n\t\t\t\t\t\tsetDocument( elem );\n\t\t\t\t\t\txml = !documentIsHTML;\n\t\t\t\t\t}\n\t\t\t\t\twhile ( (matcher = elementMatchers[j++]) ) {\n\t\t\t\t\t\tif ( matcher( elem, context || document, xml) ) {\n\t\t\t\t\t\t\tresults.push( elem );\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tif ( outermost ) {\n\t\t\t\t\t\tdirruns = dirrunsUnique;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Track unmatched elements for set filters\n\t\t\t\tif ( bySet ) {\n\t\t\t\t\t// They will have gone through all possible matchers\n\t\t\t\t\tif ( (elem = !matcher && elem) ) {\n\t\t\t\t\t\tmatchedCount--;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Lengthen the array for every element, matched or not\n\t\t\t\t\tif ( seed ) {\n\t\t\t\t\t\tunmatched.push( elem );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// `i` is now the count of elements visited above, and adding it to `matchedCount`\n\t\t\t// makes the latter nonnegative.\n\t\t\tmatchedCount += i;\n\n\t\t\t// Apply set filters to unmatched elements\n\t\t\t// NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`\n\t\t\t// equals `i`), unless we didn't visit _any_ elements in the above loop because we have\n\t\t\t// no element matchers and no seed.\n\t\t\t// Incrementing an initially-string \"0\" `i` allows `i` to remain a string only in that\n\t\t\t// case, which will result in a \"00\" `matchedCount` that differs from `i` but is also\n\t\t\t// numerically zero.\n\t\t\tif ( bySet && i !== matchedCount ) {\n\t\t\t\tj = 0;\n\t\t\t\twhile ( (matcher = setMatchers[j++]) ) {\n\t\t\t\t\tmatcher( unmatched, setMatched, context, xml );\n\t\t\t\t}\n\n\t\t\t\tif ( seed ) {\n\t\t\t\t\t// Reintegrate element matches to eliminate the need for sorting\n\t\t\t\t\tif ( matchedCount > 0 ) {\n\t\t\t\t\t\twhile ( i-- ) {\n\t\t\t\t\t\t\tif ( !(unmatched[i] || setMatched[i]) ) {\n\t\t\t\t\t\t\t\tsetMatched[i] = pop.call( results );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\t// Discard index placeholder values to get only actual matches\n\t\t\t\t\tsetMatched = condense( setMatched );\n\t\t\t\t}\n\n\t\t\t\t// Add matches to results\n\t\t\t\tpush.apply( results, setMatched );\n\n\t\t\t\t// Seedless set matches succeeding multiple successful matchers stipulate sorting\n\t\t\t\tif ( outermost && !seed && setMatched.length > 0 &&\n\t\t\t\t\t( matchedCount + setMatchers.length ) > 1 ) {\n\n\t\t\t\t\tSizzle.uniqueSort( results );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Override manipulation of globals by nested matchers\n\t\t\tif ( outermost ) {\n\t\t\t\tdirruns = dirrunsUnique;\n\t\t\t\toutermostContext = contextBackup;\n\t\t\t}\n\n\t\t\treturn unmatched;\n\t\t};\n\n\treturn bySet ?\n\t\tmarkFunction( superMatcher ) :\n\t\tsuperMatcher;\n}\n\ncompile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {\n\tvar i,\n\t\tsetMatchers = [],\n\t\telementMatchers = [],\n\t\tcached = compilerCache[ selector + \" \" ];\n\n\tif ( !cached ) {\n\t\t// Generate a function of recursive functions that can be used to check each element\n\t\tif ( !match ) {\n\t\t\tmatch = tokenize( selector );\n\t\t}\n\t\ti = match.length;\n\t\twhile ( i-- ) {\n\t\t\tcached = matcherFromTokens( match[i] );\n\t\t\tif ( cached[ expando ] ) {\n\t\t\t\tsetMatchers.push( cached );\n\t\t\t} else {\n\t\t\t\telementMatchers.push( cached );\n\t\t\t}\n\t\t}\n\n\t\t// Cache the compiled function\n\t\tcached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );\n\n\t\t// Save selector and tokenization\n\t\tcached.selector = selector;\n\t}\n\treturn cached;\n};\n\n/**\n * A low-level selection function that works with Sizzle's compiled\n *  selector functions\n * @param {String|Function} selector A selector or a pre-compiled\n *  selector function built with Sizzle.compile\n * @param {Element} context\n * @param {Array} [results]\n * @param {Array} [seed] A set of elements to match against\n */\nselect = Sizzle.select = function( selector, context, results, seed ) {\n\tvar i, tokens, token, type, find,\n\t\tcompiled = typeof selector === \"function\" && selector,\n\t\tmatch = !seed && tokenize( (selector = compiled.selector || selector) );\n\n\tresults = results || [];\n\n\t// Try to minimize operations if there is only one selector in the list and no seed\n\t// (the latter of which guarantees us context)\n\tif ( match.length === 1 ) {\n\n\t\t// Reduce context if the leading compound selector is an ID\n\t\ttokens = match[0] = match[0].slice( 0 );\n\t\tif ( tokens.length > 2 && (token = tokens[0]).type === \"ID\" &&\n\t\t\t\tsupport.getById && context.nodeType === 9 && documentIsHTML &&\n\t\t\t\tExpr.relative[ tokens[1].type ] ) {\n\n\t\t\tcontext = ( Expr.find[\"ID\"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];\n\t\t\tif ( !context ) {\n\t\t\t\treturn results;\n\n\t\t\t// Precompiled matchers will still verify ancestry, so step up a level\n\t\t\t} else if ( compiled ) {\n\t\t\t\tcontext = context.parentNode;\n\t\t\t}\n\n\t\t\tselector = selector.slice( tokens.shift().value.length );\n\t\t}\n\n\t\t// Fetch a seed set for right-to-left matching\n\t\ti = matchExpr[\"needsContext\"].test( selector ) ? 0 : tokens.length;\n\t\twhile ( i-- ) {\n\t\t\ttoken = tokens[i];\n\n\t\t\t// Abort if we hit a combinator\n\t\t\tif ( Expr.relative[ (type = token.type) ] ) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif ( (find = Expr.find[ type ]) ) {\n\t\t\t\t// Search, expanding context for leading sibling combinators\n\t\t\t\tif ( (seed = find(\n\t\t\t\t\ttoken.matches[0].replace( runescape, funescape ),\n\t\t\t\t\trsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context\n\t\t\t\t)) ) {\n\n\t\t\t\t\t// If seed is empty or no tokens remain, we can return early\n\t\t\t\t\ttokens.splice( i, 1 );\n\t\t\t\t\tselector = seed.length && toSelector( tokens );\n\t\t\t\t\tif ( !selector ) {\n\t\t\t\t\t\tpush.apply( results, seed );\n\t\t\t\t\t\treturn results;\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// Compile and execute a filtering function if one is not provided\n\t// Provide `match` to avoid retokenization if we modified the selector above\n\t( compiled || compile( selector, match ) )(\n\t\tseed,\n\t\tcontext,\n\t\t!documentIsHTML,\n\t\tresults,\n\t\t!context || rsibling.test( selector ) && testContext( context.parentNode ) || context\n\t);\n\treturn results;\n};\n\n// One-time assignments\n\n// Sort stability\nsupport.sortStable = expando.split(\"\").sort( sortOrder ).join(\"\") === expando;\n\n// Support: Chrome 14-35+\n// Always assume duplicates if they aren't passed to the comparison function\nsupport.detectDuplicates = !!hasDuplicate;\n\n// Initialize against the default document\nsetDocument();\n\n// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)\n// Detached nodes confoundingly follow *each other*\nsupport.sortDetached = assert(function( div1 ) {\n\t// Should return 1, but returns 4 (following)\n\treturn div1.compareDocumentPosition( document.createElement(\"div\") ) & 1;\n});\n\n// Support: IE<8\n// Prevent attribute/property \"interpolation\"\n// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx\nif ( !assert(function( div ) {\n\tdiv.innerHTML = \"<a href='#'></a>\";\n\treturn div.firstChild.getAttribute(\"href\") === \"#\" ;\n}) ) {\n\taddHandle( \"type|href|height|width\", function( elem, name, isXML ) {\n\t\tif ( !isXML ) {\n\t\t\treturn elem.getAttribute( name, name.toLowerCase() === \"type\" ? 1 : 2 );\n\t\t}\n\t});\n}\n\n// Support: IE<9\n// Use defaultValue in place of getAttribute(\"value\")\nif ( !support.attributes || !assert(function( div ) {\n\tdiv.innerHTML = \"<input/>\";\n\tdiv.firstChild.setAttribute( \"value\", \"\" );\n\treturn div.firstChild.getAttribute( \"value\" ) === \"\";\n}) ) {\n\taddHandle( \"value\", function( elem, name, isXML ) {\n\t\tif ( !isXML && elem.nodeName.toLowerCase() === \"input\" ) {\n\t\t\treturn elem.defaultValue;\n\t\t}\n\t});\n}\n\n// Support: IE<9\n// Use getAttributeNode to fetch booleans when getAttribute lies\nif ( !assert(function( div ) {\n\treturn div.getAttribute(\"disabled\") == null;\n}) ) {\n\taddHandle( booleans, function( elem, name, isXML ) {\n\t\tvar val;\n\t\tif ( !isXML ) {\n\t\t\treturn elem[ name ] === true ? name.toLowerCase() :\n\t\t\t\t\t(val = elem.getAttributeNode( name )) && val.specified ?\n\t\t\t\t\tval.value :\n\t\t\t\tnull;\n\t\t}\n\t});\n}\n\nreturn Sizzle;\n\n})( window );\n\n\n\njQuery.find = Sizzle;\njQuery.expr = Sizzle.selectors;\njQuery.expr[ \":\" ] = jQuery.expr.pseudos;\njQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;\njQuery.text = Sizzle.getText;\njQuery.isXMLDoc = Sizzle.isXML;\njQuery.contains = Sizzle.contains;\n\n\n\nvar dir = function( elem, dir, until ) {\n\tvar matched = [],\n\t\ttruncate = until !== undefined;\n\n\twhile ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {\n\t\tif ( elem.nodeType === 1 ) {\n\t\t\tif ( truncate && jQuery( elem ).is( until ) ) {\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tmatched.push( elem );\n\t\t}\n\t}\n\treturn matched;\n};\n\n\nvar siblings = function( n, elem ) {\n\tvar matched = [];\n\n\tfor ( ; n; n = n.nextSibling ) {\n\t\tif ( n.nodeType === 1 && n !== elem ) {\n\t\t\tmatched.push( n );\n\t\t}\n\t}\n\n\treturn matched;\n};\n\n\nvar rneedsContext = jQuery.expr.match.needsContext;\n\nvar rsingleTag = ( /^<([\\w-]+)\\s*\\/?>(?:<\\/\\1>|)$/ );\n\n\n\nvar risSimple = /^.[^:#\\[\\.,]*$/;\n\n// Implement the identical functionality for filter and not\nfunction winnow( elements, qualifier, not ) {\n\tif ( jQuery.isFunction( qualifier ) ) {\n\t\treturn jQuery.grep( elements, function( elem, i ) {\n\t\t\t/* jshint -W018 */\n\t\t\treturn !!qualifier.call( elem, i, elem ) !== not;\n\t\t} );\n\n\t}\n\n\tif ( qualifier.nodeType ) {\n\t\treturn jQuery.grep( elements, function( elem ) {\n\t\t\treturn ( elem === qualifier ) !== not;\n\t\t} );\n\n\t}\n\n\tif ( typeof qualifier === \"string\" ) {\n\t\tif ( risSimple.test( qualifier ) ) {\n\t\t\treturn jQuery.filter( qualifier, elements, not );\n\t\t}\n\n\t\tqualifier = jQuery.filter( qualifier, elements );\n\t}\n\n\treturn jQuery.grep( elements, function( elem ) {\n\t\treturn ( indexOf.call( qualifier, elem ) > -1 ) !== not;\n\t} );\n}\n\njQuery.filter = function( expr, elems, not ) {\n\tvar elem = elems[ 0 ];\n\n\tif ( not ) {\n\t\texpr = \":not(\" + expr + \")\";\n\t}\n\n\treturn elems.length === 1 && elem.nodeType === 1 ?\n\t\tjQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :\n\t\tjQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {\n\t\t\treturn elem.nodeType === 1;\n\t\t} ) );\n};\n\njQuery.fn.extend( {\n\tfind: function( selector ) {\n\t\tvar i,\n\t\t\tlen = this.length,\n\t\t\tret = [],\n\t\t\tself = this;\n\n\t\tif ( typeof selector !== \"string\" ) {\n\t\t\treturn this.pushStack( jQuery( selector ).filter( function() {\n\t\t\t\tfor ( i = 0; i < len; i++ ) {\n\t\t\t\t\tif ( jQuery.contains( self[ i ], this ) ) {\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} ) );\n\t\t}\n\n\t\tfor ( i = 0; i < len; i++ ) {\n\t\t\tjQuery.find( selector, self[ i ], ret );\n\t\t}\n\n\t\t// Needed because $( selector, context ) becomes $( context ).find( selector )\n\t\tret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );\n\t\tret.selector = this.selector ? this.selector + \" \" + selector : selector;\n\t\treturn ret;\n\t},\n\tfilter: function( selector ) {\n\t\treturn this.pushStack( winnow( this, selector || [], false ) );\n\t},\n\tnot: function( selector ) {\n\t\treturn this.pushStack( winnow( this, selector || [], true ) );\n\t},\n\tis: function( selector ) {\n\t\treturn !!winnow(\n\t\t\tthis,\n\n\t\t\t// If this is a positional/relative selector, check membership in the returned set\n\t\t\t// so $(\"p:first\").is(\"p:last\") won't return true for a doc with two \"p\".\n\t\t\ttypeof selector === \"string\" && rneedsContext.test( selector ) ?\n\t\t\t\tjQuery( selector ) :\n\t\t\t\tselector || [],\n\t\t\tfalse\n\t\t).length;\n\t}\n} );\n\n\n// Initialize a jQuery object\n\n\n// A central reference to the root jQuery(document)\nvar rootjQuery,\n\n\t// A simple way to check for HTML strings\n\t// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)\n\t// Strict HTML recognition (#11290: must start with <)\n\trquickExpr = /^(?:\\s*(<[\\w\\W]+>)[^>]*|#([\\w-]*))$/,\n\n\tinit = jQuery.fn.init = function( selector, context, root ) {\n\t\tvar match, elem;\n\n\t\t// HANDLE: $(\"\"), $(null), $(undefined), $(false)\n\t\tif ( !selector ) {\n\t\t\treturn this;\n\t\t}\n\n\t\t// Method init() accepts an alternate rootjQuery\n\t\t// so migrate can support jQuery.sub (gh-2101)\n\t\troot = root || rootjQuery;\n\n\t\t// Handle HTML strings\n\t\tif ( typeof selector === \"string\" ) {\n\t\t\tif ( selector[ 0 ] === \"<\" &&\n\t\t\t\tselector[ selector.length - 1 ] === \">\" &&\n\t\t\t\tselector.length >= 3 ) {\n\n\t\t\t\t// Assume that strings that start and end with <> are HTML and skip the regex check\n\t\t\t\tmatch = [ null, selector, null ];\n\n\t\t\t} else {\n\t\t\t\tmatch = rquickExpr.exec( selector );\n\t\t\t}\n\n\t\t\t// Match html or make sure no context is specified for #id\n\t\t\tif ( match && ( match[ 1 ] || !context ) ) {\n\n\t\t\t\t// HANDLE: $(html) -> $(array)\n\t\t\t\tif ( match[ 1 ] ) {\n\t\t\t\t\tcontext = context instanceof jQuery ? context[ 0 ] : context;\n\n\t\t\t\t\t// Option to run scripts is true for back-compat\n\t\t\t\t\t// Intentionally let the error be thrown if parseHTML is not present\n\t\t\t\t\tjQuery.merge( this, jQuery.parseHTML(\n\t\t\t\t\t\tmatch[ 1 ],\n\t\t\t\t\t\tcontext && context.nodeType ? context.ownerDocument || context : document,\n\t\t\t\t\t\ttrue\n\t\t\t\t\t) );\n\n\t\t\t\t\t// HANDLE: $(html, props)\n\t\t\t\t\tif ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {\n\t\t\t\t\t\tfor ( match in context ) {\n\n\t\t\t\t\t\t\t// Properties of context are called as methods if possible\n\t\t\t\t\t\t\tif ( jQuery.isFunction( this[ match ] ) ) {\n\t\t\t\t\t\t\t\tthis[ match ]( context[ match ] );\n\n\t\t\t\t\t\t\t// ...and otherwise set as attributes\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\tthis.attr( match, context[ match ] );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\treturn this;\n\n\t\t\t\t// HANDLE: $(#id)\n\t\t\t\t} else {\n\t\t\t\t\telem = document.getElementById( match[ 2 ] );\n\n\t\t\t\t\t// Support: Blackberry 4.6\n\t\t\t\t\t// gEBID returns nodes no longer in the document (#6963)\n\t\t\t\t\tif ( elem && elem.parentNode ) {\n\n\t\t\t\t\t\t// Inject the element directly into the jQuery object\n\t\t\t\t\t\tthis.length = 1;\n\t\t\t\t\t\tthis[ 0 ] = elem;\n\t\t\t\t\t}\n\n\t\t\t\t\tthis.context = document;\n\t\t\t\t\tthis.selector = selector;\n\t\t\t\t\treturn this;\n\t\t\t\t}\n\n\t\t\t// HANDLE: $(expr, $(...))\n\t\t\t} else if ( !context || context.jquery ) {\n\t\t\t\treturn ( context || root ).find( selector );\n\n\t\t\t// HANDLE: $(expr, context)\n\t\t\t// (which is just equivalent to: $(context).find(expr)\n\t\t\t} else {\n\t\t\t\treturn this.constructor( context ).find( selector );\n\t\t\t}\n\n\t\t// HANDLE: $(DOMElement)\n\t\t} else if ( selector.nodeType ) {\n\t\t\tthis.context = this[ 0 ] = selector;\n\t\t\tthis.length = 1;\n\t\t\treturn this;\n\n\t\t// HANDLE: $(function)\n\t\t// Shortcut for document ready\n\t\t} else if ( jQuery.isFunction( selector ) ) {\n\t\t\treturn root.ready !== undefined ?\n\t\t\t\troot.ready( selector ) :\n\n\t\t\t\t// Execute immediately if ready is not present\n\t\t\t\tselector( jQuery );\n\t\t}\n\n\t\tif ( selector.selector !== undefined ) {\n\t\t\tthis.selector = selector.selector;\n\t\t\tthis.context = selector.context;\n\t\t}\n\n\t\treturn jQuery.makeArray( selector, this );\n\t};\n\n// Give the init function the jQuery prototype for later instantiation\ninit.prototype = jQuery.fn;\n\n// Initialize central reference\nrootjQuery = jQuery( document );\n\n\nvar rparentsprev = /^(?:parents|prev(?:Until|All))/,\n\n\t// Methods guaranteed to produce a unique set when starting from a unique set\n\tguaranteedUnique = {\n\t\tchildren: true,\n\t\tcontents: true,\n\t\tnext: true,\n\t\tprev: true\n\t};\n\njQuery.fn.extend( {\n\thas: function( target ) {\n\t\tvar targets = jQuery( target, this ),\n\t\t\tl = targets.length;\n\n\t\treturn this.filter( function() {\n\t\t\tvar i = 0;\n\t\t\tfor ( ; i < l; i++ ) {\n\t\t\t\tif ( jQuery.contains( this, targets[ i ] ) ) {\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t},\n\n\tclosest: function( selectors, context ) {\n\t\tvar cur,\n\t\t\ti = 0,\n\t\t\tl = this.length,\n\t\t\tmatched = [],\n\t\t\tpos = rneedsContext.test( selectors ) || typeof selectors !== \"string\" ?\n\t\t\t\tjQuery( selectors, context || this.context ) :\n\t\t\t\t0;\n\n\t\tfor ( ; i < l; i++ ) {\n\t\t\tfor ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {\n\n\t\t\t\t// Always skip document fragments\n\t\t\t\tif ( cur.nodeType < 11 && ( pos ?\n\t\t\t\t\tpos.index( cur ) > -1 :\n\n\t\t\t\t\t// Don't pass non-elements to Sizzle\n\t\t\t\t\tcur.nodeType === 1 &&\n\t\t\t\t\t\tjQuery.find.matchesSelector( cur, selectors ) ) ) {\n\n\t\t\t\t\tmatched.push( cur );\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );\n\t},\n\n\t// Determine the position of an element within the set\n\tindex: function( elem ) {\n\n\t\t// No argument, return index in parent\n\t\tif ( !elem ) {\n\t\t\treturn ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;\n\t\t}\n\n\t\t// Index in selector\n\t\tif ( typeof elem === \"string\" ) {\n\t\t\treturn indexOf.call( jQuery( elem ), this[ 0 ] );\n\t\t}\n\n\t\t// Locate the position of the desired element\n\t\treturn indexOf.call( this,\n\n\t\t\t// If it receives a jQuery object, the first element is used\n\t\t\telem.jquery ? elem[ 0 ] : elem\n\t\t);\n\t},\n\n\tadd: function( selector, context ) {\n\t\treturn this.pushStack(\n\t\t\tjQuery.uniqueSort(\n\t\t\t\tjQuery.merge( this.get(), jQuery( selector, context ) )\n\t\t\t)\n\t\t);\n\t},\n\n\taddBack: function( selector ) {\n\t\treturn this.add( selector == null ?\n\t\t\tthis.prevObject : this.prevObject.filter( selector )\n\t\t);\n\t}\n} );\n\nfunction sibling( cur, dir ) {\n\twhile ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}\n\treturn cur;\n}\n\njQuery.each( {\n\tparent: function( elem ) {\n\t\tvar parent = elem.parentNode;\n\t\treturn parent && parent.nodeType !== 11 ? parent : null;\n\t},\n\tparents: function( elem ) {\n\t\treturn dir( elem, \"parentNode\" );\n\t},\n\tparentsUntil: function( elem, i, until ) {\n\t\treturn dir( elem, \"parentNode\", until );\n\t},\n\tnext: function( elem ) {\n\t\treturn sibling( elem, \"nextSibling\" );\n\t},\n\tprev: function( elem ) {\n\t\treturn sibling( elem, \"previousSibling\" );\n\t},\n\tnextAll: function( elem ) {\n\t\treturn dir( elem, \"nextSibling\" );\n\t},\n\tprevAll: function( elem ) {\n\t\treturn dir( elem, \"previousSibling\" );\n\t},\n\tnextUntil: function( elem, i, until ) {\n\t\treturn dir( elem, \"nextSibling\", until );\n\t},\n\tprevUntil: function( elem, i, until ) {\n\t\treturn dir( elem, \"previousSibling\", until );\n\t},\n\tsiblings: function( elem ) {\n\t\treturn siblings( ( elem.parentNode || {} ).firstChild, elem );\n\t},\n\tchildren: function( elem ) {\n\t\treturn siblings( elem.firstChild );\n\t},\n\tcontents: function( elem ) {\n\t\treturn elem.contentDocument || jQuery.merge( [], elem.childNodes );\n\t}\n}, function( name, fn ) {\n\tjQuery.fn[ name ] = function( until, selector ) {\n\t\tvar matched = jQuery.map( this, fn, until );\n\n\t\tif ( name.slice( -5 ) !== \"Until\" ) {\n\t\t\tselector = until;\n\t\t}\n\n\t\tif ( selector && typeof selector === \"string\" ) {\n\t\t\tmatched = jQuery.filter( selector, matched );\n\t\t}\n\n\t\tif ( this.length > 1 ) {\n\n\t\t\t// Remove duplicates\n\t\t\tif ( !guaranteedUnique[ name ] ) {\n\t\t\t\tjQuery.uniqueSort( matched );\n\t\t\t}\n\n\t\t\t// Reverse order for parents* and prev-derivatives\n\t\t\tif ( rparentsprev.test( name ) ) {\n\t\t\t\tmatched.reverse();\n\t\t\t}\n\t\t}\n\n\t\treturn this.pushStack( matched );\n\t};\n} );\nvar rnotwhite = ( /\\S+/g );\n\n\n\n// Convert String-formatted options into Object-formatted ones\nfunction createOptions( options ) {\n\tvar object = {};\n\tjQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {\n\t\tobject[ flag ] = true;\n\t} );\n\treturn object;\n}\n\n/*\n * Create a callback list using the following parameters:\n *\n *\toptions: an optional list of space-separated options that will change how\n *\t\t\tthe callback list behaves or a more traditional option object\n *\n * By default a callback list will act like an event callback list and can be\n * \"fired\" multiple times.\n *\n * Possible options:\n *\n *\tonce:\t\t\twill ensure the callback list can only be fired once (like a Deferred)\n *\n *\tmemory:\t\t\twill keep track of previous values and will call any callback added\n *\t\t\t\t\tafter the list has been fired right away with the latest \"memorized\"\n *\t\t\t\t\tvalues (like a Deferred)\n *\n *\tunique:\t\t\twill ensure a callback can only be added once (no duplicate in the list)\n *\n *\tstopOnFalse:\tinterrupt callings when a callback returns false\n *\n */\njQuery.Callbacks = function( options ) {\n\n\t// Convert options from String-formatted to Object-formatted if needed\n\t// (we check in cache first)\n\toptions = typeof options === \"string\" ?\n\t\tcreateOptions( options ) :\n\t\tjQuery.extend( {}, options );\n\n\tvar // Flag to know if list is currently firing\n\t\tfiring,\n\n\t\t// Last fire value for non-forgettable lists\n\t\tmemory,\n\n\t\t// Flag to know if list was already fired\n\t\tfired,\n\n\t\t// Flag to prevent firing\n\t\tlocked,\n\n\t\t// Actual callback list\n\t\tlist = [],\n\n\t\t// Queue of execution data for repeatable lists\n\t\tqueue = [],\n\n\t\t// Index of currently firing callback (modified by add/remove as needed)\n\t\tfiringIndex = -1,\n\n\t\t// Fire callbacks\n\t\tfire = function() {\n\n\t\t\t// Enforce single-firing\n\t\t\tlocked = options.once;\n\n\t\t\t// Execute callbacks for all pending executions,\n\t\t\t// respecting firingIndex overrides and runtime changes\n\t\t\tfired = firing = true;\n\t\t\tfor ( ; queue.length; firingIndex = -1 ) {\n\t\t\t\tmemory = queue.shift();\n\t\t\t\twhile ( ++firingIndex < list.length ) {\n\n\t\t\t\t\t// Run callback and check for early termination\n\t\t\t\t\tif ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&\n\t\t\t\t\t\toptions.stopOnFalse ) {\n\n\t\t\t\t\t\t// Jump to end and forget the data so .add doesn't re-fire\n\t\t\t\t\t\tfiringIndex = list.length;\n\t\t\t\t\t\tmemory = false;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Forget the data if we're done with it\n\t\t\tif ( !options.memory ) {\n\t\t\t\tmemory = false;\n\t\t\t}\n\n\t\t\tfiring = false;\n\n\t\t\t// Clean up if we're done firing for good\n\t\t\tif ( locked ) {\n\n\t\t\t\t// Keep an empty list if we have data for future add calls\n\t\t\t\tif ( memory ) {\n\t\t\t\t\tlist = [];\n\n\t\t\t\t// Otherwise, this object is spent\n\t\t\t\t} else {\n\t\t\t\t\tlist = \"\";\n\t\t\t\t}\n\t\t\t}\n\t\t},\n\n\t\t// Actual Callbacks object\n\t\tself = {\n\n\t\t\t// Add a callback or a collection of callbacks to the list\n\t\t\tadd: function() {\n\t\t\t\tif ( list ) {\n\n\t\t\t\t\t// If we have memory from a past run, we should fire after adding\n\t\t\t\t\tif ( memory && !firing ) {\n\t\t\t\t\t\tfiringIndex = list.length - 1;\n\t\t\t\t\t\tqueue.push( memory );\n\t\t\t\t\t}\n\n\t\t\t\t\t( function add( args ) {\n\t\t\t\t\t\tjQuery.each( args, function( _, arg ) {\n\t\t\t\t\t\t\tif ( jQuery.isFunction( arg ) ) {\n\t\t\t\t\t\t\t\tif ( !options.unique || !self.has( arg ) ) {\n\t\t\t\t\t\t\t\t\tlist.push( arg );\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t} else if ( arg && arg.length && jQuery.type( arg ) !== \"string\" ) {\n\n\t\t\t\t\t\t\t\t// Inspect recursively\n\t\t\t\t\t\t\t\tadd( arg );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} );\n\t\t\t\t\t} )( arguments );\n\n\t\t\t\t\tif ( memory && !firing ) {\n\t\t\t\t\t\tfire();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\treturn this;\n\t\t\t},\n\n\t\t\t// Remove a callback from the list\n\t\t\tremove: function() {\n\t\t\t\tjQuery.each( arguments, function( _, arg ) {\n\t\t\t\t\tvar index;\n\t\t\t\t\twhile ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {\n\t\t\t\t\t\tlist.splice( index, 1 );\n\n\t\t\t\t\t\t// Handle firing indexes\n\t\t\t\t\t\tif ( index <= firingIndex ) {\n\t\t\t\t\t\t\tfiringIndex--;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t\t\treturn this;\n\t\t\t},\n\n\t\t\t// Check if a given callback is in the list.\n\t\t\t// If no argument is given, return whether or not list has callbacks attached.\n\t\t\thas: function( fn ) {\n\t\t\t\treturn fn ?\n\t\t\t\t\tjQuery.inArray( fn, list ) > -1 :\n\t\t\t\t\tlist.length > 0;\n\t\t\t},\n\n\t\t\t// Remove all callbacks from the list\n\t\t\tempty: function() {\n\t\t\t\tif ( list ) {\n\t\t\t\t\tlist = [];\n\t\t\t\t}\n\t\t\t\treturn this;\n\t\t\t},\n\n\t\t\t// Disable .fire and .add\n\t\t\t// Abort any current/pending executions\n\t\t\t// Clear all callbacks and values\n\t\t\tdisable: function() {\n\t\t\t\tlocked = queue = [];\n\t\t\t\tlist = memory = \"\";\n\t\t\t\treturn this;\n\t\t\t},\n\t\t\tdisabled: function() {\n\t\t\t\treturn !list;\n\t\t\t},\n\n\t\t\t// Disable .fire\n\t\t\t// Also disable .add unless we have memory (since it would have no effect)\n\t\t\t// Abort any pending executions\n\t\t\tlock: function() {\n\t\t\t\tlocked = queue = [];\n\t\t\t\tif ( !memory ) {\n\t\t\t\t\tlist = memory = \"\";\n\t\t\t\t}\n\t\t\t\treturn this;\n\t\t\t},\n\t\t\tlocked: function() {\n\t\t\t\treturn !!locked;\n\t\t\t},\n\n\t\t\t// Call all callbacks with the given context and arguments\n\t\t\tfireWith: function( context, args ) {\n\t\t\t\tif ( !locked ) {\n\t\t\t\t\targs = args || [];\n\t\t\t\t\targs = [ context, args.slice ? args.slice() : args ];\n\t\t\t\t\tqueue.push( args );\n\t\t\t\t\tif ( !firing ) {\n\t\t\t\t\t\tfire();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\treturn this;\n\t\t\t},\n\n\t\t\t// Call all the callbacks with the given arguments\n\t\t\tfire: function() {\n\t\t\t\tself.fireWith( this, arguments );\n\t\t\t\treturn this;\n\t\t\t},\n\n\t\t\t// To know if the callbacks have already been called at least once\n\t\t\tfired: function() {\n\t\t\t\treturn !!fired;\n\t\t\t}\n\t\t};\n\n\treturn self;\n};\n\n\njQuery.extend( {\n\n\tDeferred: function( func ) {\n\t\tvar tuples = [\n\n\t\t\t\t// action, add listener, listener list, final state\n\t\t\t\t[ \"resolve\", \"done\", jQuery.Callbacks( \"once memory\" ), \"resolved\" ],\n\t\t\t\t[ \"reject\", \"fail\", jQuery.Callbacks( \"once memory\" ), \"rejected\" ],\n\t\t\t\t[ \"notify\", \"progress\", jQuery.Callbacks( \"memory\" ) ]\n\t\t\t],\n\t\t\tstate = \"pending\",\n\t\t\tpromise = {\n\t\t\t\tstate: function() {\n\t\t\t\t\treturn state;\n\t\t\t\t},\n\t\t\t\talways: function() {\n\t\t\t\t\tdeferred.done( arguments ).fail( arguments );\n\t\t\t\t\treturn this;\n\t\t\t\t},\n\t\t\t\tthen: function( /* fnDone, fnFail, fnProgress */ ) {\n\t\t\t\t\tvar fns = arguments;\n\t\t\t\t\treturn jQuery.Deferred( function( newDefer ) {\n\t\t\t\t\t\tjQuery.each( tuples, function( i, tuple ) {\n\t\t\t\t\t\t\tvar fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];\n\n\t\t\t\t\t\t\t// deferred[ done | fail | progress ] for forwarding actions to newDefer\n\t\t\t\t\t\t\tdeferred[ tuple[ 1 ] ]( function() {\n\t\t\t\t\t\t\t\tvar returned = fn && fn.apply( this, arguments );\n\t\t\t\t\t\t\t\tif ( returned && jQuery.isFunction( returned.promise ) ) {\n\t\t\t\t\t\t\t\t\treturned.promise()\n\t\t\t\t\t\t\t\t\t\t.progress( newDefer.notify )\n\t\t\t\t\t\t\t\t\t\t.done( newDefer.resolve )\n\t\t\t\t\t\t\t\t\t\t.fail( newDefer.reject );\n\t\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\t\tnewDefer[ tuple[ 0 ] + \"With\" ](\n\t\t\t\t\t\t\t\t\t\tthis === promise ? newDefer.promise() : this,\n\t\t\t\t\t\t\t\t\t\tfn ? [ returned ] : arguments\n\t\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t} );\n\t\t\t\t\t\tfns = null;\n\t\t\t\t\t} ).promise();\n\t\t\t\t},\n\n\t\t\t\t// Get a promise for this deferred\n\t\t\t\t// If obj is provided, the promise aspect is added to the object\n\t\t\t\tpromise: function( obj ) {\n\t\t\t\t\treturn obj != null ? jQuery.extend( obj, promise ) : promise;\n\t\t\t\t}\n\t\t\t},\n\t\t\tdeferred = {};\n\n\t\t// Keep pipe for back-compat\n\t\tpromise.pipe = promise.then;\n\n\t\t// Add list-specific methods\n\t\tjQuery.each( tuples, function( i, tuple ) {\n\t\t\tvar list = tuple[ 2 ],\n\t\t\t\tstateString = tuple[ 3 ];\n\n\t\t\t// promise[ done | fail | progress ] = list.add\n\t\t\tpromise[ tuple[ 1 ] ] = list.add;\n\n\t\t\t// Handle state\n\t\t\tif ( stateString ) {\n\t\t\t\tlist.add( function() {\n\n\t\t\t\t\t// state = [ resolved | rejected ]\n\t\t\t\t\tstate = stateString;\n\n\t\t\t\t// [ reject_list | resolve_list ].disable; progress_list.lock\n\t\t\t\t}, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );\n\t\t\t}\n\n\t\t\t// deferred[ resolve | reject | notify ]\n\t\t\tdeferred[ tuple[ 0 ] ] = function() {\n\t\t\t\tdeferred[ tuple[ 0 ] + \"With\" ]( this === deferred ? promise : this, arguments );\n\t\t\t\treturn this;\n\t\t\t};\n\t\t\tdeferred[ tuple[ 0 ] + \"With\" ] = list.fireWith;\n\t\t} );\n\n\t\t// Make the deferred a promise\n\t\tpromise.promise( deferred );\n\n\t\t// Call given func if any\n\t\tif ( func ) {\n\t\t\tfunc.call( deferred, deferred );\n\t\t}\n\n\t\t// All done!\n\t\treturn deferred;\n\t},\n\n\t// Deferred helper\n\twhen: function( subordinate /* , ..., subordinateN */ ) {\n\t\tvar i = 0,\n\t\t\tresolveValues = slice.call( arguments ),\n\t\t\tlength = resolveValues.length,\n\n\t\t\t// the count of uncompleted subordinates\n\t\t\tremaining = length !== 1 ||\n\t\t\t\t( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,\n\n\t\t\t// the master Deferred.\n\t\t\t// If resolveValues consist of only a single Deferred, just use that.\n\t\t\tdeferred = remaining === 1 ? subordinate : jQuery.Deferred(),\n\n\t\t\t// Update function for both resolve and progress values\n\t\t\tupdateFunc = function( i, contexts, values ) {\n\t\t\t\treturn function( value ) {\n\t\t\t\t\tcontexts[ i ] = this;\n\t\t\t\t\tvalues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;\n\t\t\t\t\tif ( values === progressValues ) {\n\t\t\t\t\t\tdeferred.notifyWith( contexts, values );\n\t\t\t\t\t} else if ( !( --remaining ) ) {\n\t\t\t\t\t\tdeferred.resolveWith( contexts, values );\n\t\t\t\t\t}\n\t\t\t\t};\n\t\t\t},\n\n\t\t\tprogressValues, progressContexts, resolveContexts;\n\n\t\t// Add listeners to Deferred subordinates; treat others as resolved\n\t\tif ( length > 1 ) {\n\t\t\tprogressValues = new Array( length );\n\t\t\tprogressContexts = new Array( length );\n\t\t\tresolveContexts = new Array( length );\n\t\t\tfor ( ; i < length; i++ ) {\n\t\t\t\tif ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {\n\t\t\t\t\tresolveValues[ i ].promise()\n\t\t\t\t\t\t.progress( updateFunc( i, progressContexts, progressValues ) )\n\t\t\t\t\t\t.done( updateFunc( i, resolveContexts, resolveValues ) )\n\t\t\t\t\t\t.fail( deferred.reject );\n\t\t\t\t} else {\n\t\t\t\t\t--remaining;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// If we're not waiting on anything, resolve the master\n\t\tif ( !remaining ) {\n\t\t\tdeferred.resolveWith( resolveContexts, resolveValues );\n\t\t}\n\n\t\treturn deferred.promise();\n\t}\n} );\n\n\n// The deferred used on DOM ready\nvar readyList;\n\njQuery.fn.ready = function( fn ) {\n\n\t// Add the callback\n\tjQuery.ready.promise().done( fn );\n\n\treturn this;\n};\n\njQuery.extend( {\n\n\t// Is the DOM ready to be used? Set to true once it occurs.\n\tisReady: false,\n\n\t// A counter to track how many items to wait for before\n\t// the ready event fires. See #6781\n\treadyWait: 1,\n\n\t// Hold (or release) the ready event\n\tholdReady: function( hold ) {\n\t\tif ( hold ) {\n\t\t\tjQuery.readyWait++;\n\t\t} else {\n\t\t\tjQuery.ready( true );\n\t\t}\n\t},\n\n\t// Handle when the DOM is ready\n\tready: function( wait ) {\n\n\t\t// Abort if there are pending holds or we're already ready\n\t\tif ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Remember that the DOM is ready\n\t\tjQuery.isReady = true;\n\n\t\t// If a normal DOM Ready event fired, decrement, and wait if need be\n\t\tif ( wait !== true && --jQuery.readyWait > 0 ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// If there are functions bound, to execute\n\t\treadyList.resolveWith( document, [ jQuery ] );\n\n\t\t// Trigger any bound ready events\n\t\tif ( jQuery.fn.triggerHandler ) {\n\t\t\tjQuery( document ).triggerHandler( \"ready\" );\n\t\t\tjQuery( document ).off( \"ready\" );\n\t\t}\n\t}\n} );\n\n/**\n * The ready event handler and self cleanup method\n */\nfunction completed() {\n\tdocument.removeEventListener( \"DOMContentLoaded\", completed );\n\twindow.removeEventListener( \"load\", completed );\n\tjQuery.ready();\n}\n\njQuery.ready.promise = function( obj ) {\n\tif ( !readyList ) {\n\n\t\treadyList = jQuery.Deferred();\n\n\t\t// Catch cases where $(document).ready() is called\n\t\t// after the browser event has already occurred.\n\t\t// Support: IE9-10 only\n\t\t// Older IE sometimes signals \"interactive\" too soon\n\t\tif ( document.readyState === \"complete\" ||\n\t\t\t( document.readyState !== \"loading\" && !document.documentElement.doScroll ) ) {\n\n\t\t\t// Handle it asynchronously to allow scripts the opportunity to delay ready\n\t\t\twindow.setTimeout( jQuery.ready );\n\n\t\t} else {\n\n\t\t\t// Use the handy event callback\n\t\t\tdocument.addEventListener( \"DOMContentLoaded\", completed );\n\n\t\t\t// A fallback to window.onload, that will always work\n\t\t\twindow.addEventListener( \"load\", completed );\n\t\t}\n\t}\n\treturn readyList.promise( obj );\n};\n\n// Kick off the DOM ready check even if the user does not\njQuery.ready.promise();\n\n\n\n\n// Multifunctional method to get and set values of a collection\n// The value/s can optionally be executed if it's a function\nvar access = function( elems, fn, key, value, chainable, emptyGet, raw ) {\n\tvar i = 0,\n\t\tlen = elems.length,\n\t\tbulk = key == null;\n\n\t// Sets many values\n\tif ( jQuery.type( key ) === \"object\" ) {\n\t\tchainable = true;\n\t\tfor ( i in key ) {\n\t\t\taccess( elems, fn, i, key[ i ], true, emptyGet, raw );\n\t\t}\n\n\t// Sets one value\n\t} else if ( value !== undefined ) {\n\t\tchainable = true;\n\n\t\tif ( !jQuery.isFunction( value ) ) {\n\t\t\traw = true;\n\t\t}\n\n\t\tif ( bulk ) {\n\n\t\t\t// Bulk operations run against the entire set\n\t\t\tif ( raw ) {\n\t\t\t\tfn.call( elems, value );\n\t\t\t\tfn = null;\n\n\t\t\t// ...except when executing function values\n\t\t\t} else {\n\t\t\t\tbulk = fn;\n\t\t\t\tfn = function( elem, key, value ) {\n\t\t\t\t\treturn bulk.call( jQuery( elem ), value );\n\t\t\t\t};\n\t\t\t}\n\t\t}\n\n\t\tif ( fn ) {\n\t\t\tfor ( ; i < len; i++ ) {\n\t\t\t\tfn(\n\t\t\t\t\telems[ i ], key, raw ?\n\t\t\t\t\tvalue :\n\t\t\t\t\tvalue.call( elems[ i ], i, fn( elems[ i ], key ) )\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t}\n\n\treturn chainable ?\n\t\telems :\n\n\t\t// Gets\n\t\tbulk ?\n\t\t\tfn.call( elems ) :\n\t\t\tlen ? fn( elems[ 0 ], key ) : emptyGet;\n};\nvar acceptData = function( owner ) {\n\n\t// Accepts only:\n\t//  - Node\n\t//    - Node.ELEMENT_NODE\n\t//    - Node.DOCUMENT_NODE\n\t//  - Object\n\t//    - Any\n\t/* jshint -W018 */\n\treturn owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );\n};\n\n\n\n\nfunction Data() {\n\tthis.expando = jQuery.expando + Data.uid++;\n}\n\nData.uid = 1;\n\nData.prototype = {\n\n\tregister: function( owner, initial ) {\n\t\tvar value = initial || {};\n\n\t\t// If it is a node unlikely to be stringify-ed or looped over\n\t\t// use plain assignment\n\t\tif ( owner.nodeType ) {\n\t\t\towner[ this.expando ] = value;\n\n\t\t// Otherwise secure it in a non-enumerable, non-writable property\n\t\t// configurability must be true to allow the property to be\n\t\t// deleted with the delete operator\n\t\t} else {\n\t\t\tObject.defineProperty( owner, this.expando, {\n\t\t\t\tvalue: value,\n\t\t\t\twritable: true,\n\t\t\t\tconfigurable: true\n\t\t\t} );\n\t\t}\n\t\treturn owner[ this.expando ];\n\t},\n\tcache: function( owner ) {\n\n\t\t// We can accept data for non-element nodes in modern browsers,\n\t\t// but we should not, see #8335.\n\t\t// Always return an empty object.\n\t\tif ( !acceptData( owner ) ) {\n\t\t\treturn {};\n\t\t}\n\n\t\t// Check if the owner object already has a cache\n\t\tvar value = owner[ this.expando ];\n\n\t\t// If not, create one\n\t\tif ( !value ) {\n\t\t\tvalue = {};\n\n\t\t\t// We can accept data for non-element nodes in modern browsers,\n\t\t\t// but we should not, see #8335.\n\t\t\t// Always return an empty object.\n\t\t\tif ( acceptData( owner ) ) {\n\n\t\t\t\t// If it is a node unlikely to be stringify-ed or looped over\n\t\t\t\t// use plain assignment\n\t\t\t\tif ( owner.nodeType ) {\n\t\t\t\t\towner[ this.expando ] = value;\n\n\t\t\t\t// Otherwise secure it in a non-enumerable property\n\t\t\t\t// configurable must be true to allow the property to be\n\t\t\t\t// deleted when data is removed\n\t\t\t\t} else {\n\t\t\t\t\tObject.defineProperty( owner, this.expando, {\n\t\t\t\t\t\tvalue: value,\n\t\t\t\t\t\tconfigurable: true\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn value;\n\t},\n\tset: function( owner, data, value ) {\n\t\tvar prop,\n\t\t\tcache = this.cache( owner );\n\n\t\t// Handle: [ owner, key, value ] args\n\t\tif ( typeof data === \"string\" ) {\n\t\t\tcache[ data ] = value;\n\n\t\t// Handle: [ owner, { properties } ] args\n\t\t} else {\n\n\t\t\t// Copy the properties one-by-one to the cache object\n\t\t\tfor ( prop in data ) {\n\t\t\t\tcache[ prop ] = data[ prop ];\n\t\t\t}\n\t\t}\n\t\treturn cache;\n\t},\n\tget: function( owner, key ) {\n\t\treturn key === undefined ?\n\t\t\tthis.cache( owner ) :\n\t\t\towner[ this.expando ] && owner[ this.expando ][ key ];\n\t},\n\taccess: function( owner, key, value ) {\n\t\tvar stored;\n\n\t\t// In cases where either:\n\t\t//\n\t\t//   1. No key was specified\n\t\t//   2. A string key was specified, but no value provided\n\t\t//\n\t\t// Take the \"read\" path and allow the get method to determine\n\t\t// which value to return, respectively either:\n\t\t//\n\t\t//   1. The entire cache object\n\t\t//   2. The data stored at the key\n\t\t//\n\t\tif ( key === undefined ||\n\t\t\t\t( ( key && typeof key === \"string\" ) && value === undefined ) ) {\n\n\t\t\tstored = this.get( owner, key );\n\n\t\t\treturn stored !== undefined ?\n\t\t\t\tstored : this.get( owner, jQuery.camelCase( key ) );\n\t\t}\n\n\t\t// When the key is not a string, or both a key and value\n\t\t// are specified, set or extend (existing objects) with either:\n\t\t//\n\t\t//   1. An object of properties\n\t\t//   2. A key and value\n\t\t//\n\t\tthis.set( owner, key, value );\n\n\t\t// Since the \"set\" path can have two possible entry points\n\t\t// return the expected data based on which path was taken[*]\n\t\treturn value !== undefined ? value : key;\n\t},\n\tremove: function( owner, key ) {\n\t\tvar i, name, camel,\n\t\t\tcache = owner[ this.expando ];\n\n\t\tif ( cache === undefined ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( key === undefined ) {\n\t\t\tthis.register( owner );\n\n\t\t} else {\n\n\t\t\t// Support array or space separated string of keys\n\t\t\tif ( jQuery.isArray( key ) ) {\n\n\t\t\t\t// If \"name\" is an array of keys...\n\t\t\t\t// When data is initially created, via (\"key\", \"val\") signature,\n\t\t\t\t// keys will be converted to camelCase.\n\t\t\t\t// Since there is no way to tell _how_ a key was added, remove\n\t\t\t\t// both plain key and camelCase key. #12786\n\t\t\t\t// This will only penalize the array argument path.\n\t\t\t\tname = key.concat( key.map( jQuery.camelCase ) );\n\t\t\t} else {\n\t\t\t\tcamel = jQuery.camelCase( key );\n\n\t\t\t\t// Try the string as a key before any manipulation\n\t\t\t\tif ( key in cache ) {\n\t\t\t\t\tname = [ key, camel ];\n\t\t\t\t} else {\n\n\t\t\t\t\t// If a key with the spaces exists, use it.\n\t\t\t\t\t// Otherwise, create an array by matching non-whitespace\n\t\t\t\t\tname = camel;\n\t\t\t\t\tname = name in cache ?\n\t\t\t\t\t\t[ name ] : ( name.match( rnotwhite ) || [] );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\ti = name.length;\n\n\t\t\twhile ( i-- ) {\n\t\t\t\tdelete cache[ name[ i ] ];\n\t\t\t}\n\t\t}\n\n\t\t// Remove the expando if there's no more data\n\t\tif ( key === undefined || jQuery.isEmptyObject( cache ) ) {\n\n\t\t\t// Support: Chrome <= 35-45+\n\t\t\t// Webkit & Blink performance suffers when deleting properties\n\t\t\t// from DOM nodes, so set to undefined instead\n\t\t\t// https://code.google.com/p/chromium/issues/detail?id=378607\n\t\t\tif ( owner.nodeType ) {\n\t\t\t\towner[ this.expando ] = undefined;\n\t\t\t} else {\n\t\t\t\tdelete owner[ this.expando ];\n\t\t\t}\n\t\t}\n\t},\n\thasData: function( owner ) {\n\t\tvar cache = owner[ this.expando ];\n\t\treturn cache !== undefined && !jQuery.isEmptyObject( cache );\n\t}\n};\nvar dataPriv = new Data();\n\nvar dataUser = new Data();\n\n\n\n//\tImplementation Summary\n//\n//\t1. Enforce API surface and semantic compatibility with 1.9.x branch\n//\t2. Improve the module's maintainability by reducing the storage\n//\t\tpaths to a single mechanism.\n//\t3. Use the same single mechanism to support \"private\" and \"user\" data.\n//\t4. _Never_ expose \"private\" data to user code (TODO: Drop _data, _removeData)\n//\t5. Avoid exposing implementation details on user objects (eg. expando properties)\n//\t6. Provide a clear path for implementation upgrade to WeakMap in 2014\n\nvar rbrace = /^(?:\\{[\\w\\W]*\\}|\\[[\\w\\W]*\\])$/,\n\trmultiDash = /[A-Z]/g;\n\nfunction dataAttr( elem, key, data ) {\n\tvar name;\n\n\t// If nothing was found internally, try to fetch any\n\t// data from the HTML5 data-* attribute\n\tif ( data === undefined && elem.nodeType === 1 ) {\n\t\tname = \"data-\" + key.replace( rmultiDash, \"-$&\" ).toLowerCase();\n\t\tdata = elem.getAttribute( name );\n\n\t\tif ( typeof data === \"string\" ) {\n\t\t\ttry {\n\t\t\t\tdata = data === \"true\" ? true :\n\t\t\t\t\tdata === \"false\" ? false :\n\t\t\t\t\tdata === \"null\" ? null :\n\n\t\t\t\t\t// Only convert to a number if it doesn't change the string\n\t\t\t\t\t+data + \"\" === data ? +data :\n\t\t\t\t\trbrace.test( data ) ? jQuery.parseJSON( data ) :\n\t\t\t\t\tdata;\n\t\t\t} catch ( e ) {}\n\n\t\t\t// Make sure we set the data so it isn't changed later\n\t\t\tdataUser.set( elem, key, data );\n\t\t} else {\n\t\t\tdata = undefined;\n\t\t}\n\t}\n\treturn data;\n}\n\njQuery.extend( {\n\thasData: function( elem ) {\n\t\treturn dataUser.hasData( elem ) || dataPriv.hasData( elem );\n\t},\n\n\tdata: function( elem, name, data ) {\n\t\treturn dataUser.access( elem, name, data );\n\t},\n\n\tremoveData: function( elem, name ) {\n\t\tdataUser.remove( elem, name );\n\t},\n\n\t// TODO: Now that all calls to _data and _removeData have been replaced\n\t// with direct calls to dataPriv methods, these can be deprecated.\n\t_data: function( elem, name, data ) {\n\t\treturn dataPriv.access( elem, name, data );\n\t},\n\n\t_removeData: function( elem, name ) {\n\t\tdataPriv.remove( elem, name );\n\t}\n} );\n\njQuery.fn.extend( {\n\tdata: function( key, value ) {\n\t\tvar i, name, data,\n\t\t\telem = this[ 0 ],\n\t\t\tattrs = elem && elem.attributes;\n\n\t\t// Gets all values\n\t\tif ( key === undefined ) {\n\t\t\tif ( this.length ) {\n\t\t\t\tdata = dataUser.get( elem );\n\n\t\t\t\tif ( elem.nodeType === 1 && !dataPriv.get( elem, \"hasDataAttrs\" ) ) {\n\t\t\t\t\ti = attrs.length;\n\t\t\t\t\twhile ( i-- ) {\n\n\t\t\t\t\t\t// Support: IE11+\n\t\t\t\t\t\t// The attrs elements can be null (#14894)\n\t\t\t\t\t\tif ( attrs[ i ] ) {\n\t\t\t\t\t\t\tname = attrs[ i ].name;\n\t\t\t\t\t\t\tif ( name.indexOf( \"data-\" ) === 0 ) {\n\t\t\t\t\t\t\t\tname = jQuery.camelCase( name.slice( 5 ) );\n\t\t\t\t\t\t\t\tdataAttr( elem, name, data[ name ] );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tdataPriv.set( elem, \"hasDataAttrs\", true );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn data;\n\t\t}\n\n\t\t// Sets multiple values\n\t\tif ( typeof key === \"object\" ) {\n\t\t\treturn this.each( function() {\n\t\t\t\tdataUser.set( this, key );\n\t\t\t} );\n\t\t}\n\n\t\treturn access( this, function( value ) {\n\t\t\tvar data, camelKey;\n\n\t\t\t// The calling jQuery object (element matches) is not empty\n\t\t\t// (and therefore has an element appears at this[ 0 ]) and the\n\t\t\t// `value` parameter was not undefined. An empty jQuery object\n\t\t\t// will result in `undefined` for elem = this[ 0 ] which will\n\t\t\t// throw an exception if an attempt to read a data cache is made.\n\t\t\tif ( elem && value === undefined ) {\n\n\t\t\t\t// Attempt to get data from the cache\n\t\t\t\t// with the key as-is\n\t\t\t\tdata = dataUser.get( elem, key ) ||\n\n\t\t\t\t\t// Try to find dashed key if it exists (gh-2779)\n\t\t\t\t\t// This is for 2.2.x only\n\t\t\t\t\tdataUser.get( elem, key.replace( rmultiDash, \"-$&\" ).toLowerCase() );\n\n\t\t\t\tif ( data !== undefined ) {\n\t\t\t\t\treturn data;\n\t\t\t\t}\n\n\t\t\t\tcamelKey = jQuery.camelCase( key );\n\n\t\t\t\t// Attempt to get data from the cache\n\t\t\t\t// with the key camelized\n\t\t\t\tdata = dataUser.get( elem, camelKey );\n\t\t\t\tif ( data !== undefined ) {\n\t\t\t\t\treturn data;\n\t\t\t\t}\n\n\t\t\t\t// Attempt to \"discover\" the data in\n\t\t\t\t// HTML5 custom data-* attrs\n\t\t\t\tdata = dataAttr( elem, camelKey, undefined );\n\t\t\t\tif ( data !== undefined ) {\n\t\t\t\t\treturn data;\n\t\t\t\t}\n\n\t\t\t\t// We tried really hard, but the data doesn't exist.\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Set the data...\n\t\t\tcamelKey = jQuery.camelCase( key );\n\t\t\tthis.each( function() {\n\n\t\t\t\t// First, attempt to store a copy or reference of any\n\t\t\t\t// data that might've been store with a camelCased key.\n\t\t\t\tvar data = dataUser.get( this, camelKey );\n\n\t\t\t\t// For HTML5 data-* attribute interop, we have to\n\t\t\t\t// store property names with dashes in a camelCase form.\n\t\t\t\t// This might not apply to all properties...*\n\t\t\t\tdataUser.set( this, camelKey, value );\n\n\t\t\t\t// *... In the case of properties that might _actually_\n\t\t\t\t// have dashes, we need to also store a copy of that\n\t\t\t\t// unchanged property.\n\t\t\t\tif ( key.indexOf( \"-\" ) > -1 && data !== undefined ) {\n\t\t\t\t\tdataUser.set( this, key, value );\n\t\t\t\t}\n\t\t\t} );\n\t\t}, null, value, arguments.length > 1, null, true );\n\t},\n\n\tremoveData: function( key ) {\n\t\treturn this.each( function() {\n\t\t\tdataUser.remove( this, key );\n\t\t} );\n\t}\n} );\n\n\njQuery.extend( {\n\tqueue: function( elem, type, data ) {\n\t\tvar queue;\n\n\t\tif ( elem ) {\n\t\t\ttype = ( type || \"fx\" ) + \"queue\";\n\t\t\tqueue = dataPriv.get( elem, type );\n\n\t\t\t// Speed up dequeue by getting out quickly if this is just a lookup\n\t\t\tif ( data ) {\n\t\t\t\tif ( !queue || jQuery.isArray( data ) ) {\n\t\t\t\t\tqueue = dataPriv.access( elem, type, jQuery.makeArray( data ) );\n\t\t\t\t} else {\n\t\t\t\t\tqueue.push( data );\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn queue || [];\n\t\t}\n\t},\n\n\tdequeue: function( elem, type ) {\n\t\ttype = type || \"fx\";\n\n\t\tvar queue = jQuery.queue( elem, type ),\n\t\t\tstartLength = queue.length,\n\t\t\tfn = queue.shift(),\n\t\t\thooks = jQuery._queueHooks( elem, type ),\n\t\t\tnext = function() {\n\t\t\t\tjQuery.dequeue( elem, type );\n\t\t\t};\n\n\t\t// If the fx queue is dequeued, always remove the progress sentinel\n\t\tif ( fn === \"inprogress\" ) {\n\t\t\tfn = queue.shift();\n\t\t\tstartLength--;\n\t\t}\n\n\t\tif ( fn ) {\n\n\t\t\t// Add a progress sentinel to prevent the fx queue from being\n\t\t\t// automatically dequeued\n\t\t\tif ( type === \"fx\" ) {\n\t\t\t\tqueue.unshift( \"inprogress\" );\n\t\t\t}\n\n\t\t\t// Clear up the last queue stop function\n\t\t\tdelete hooks.stop;\n\t\t\tfn.call( elem, next, hooks );\n\t\t}\n\n\t\tif ( !startLength && hooks ) {\n\t\t\thooks.empty.fire();\n\t\t}\n\t},\n\n\t// Not public - generate a queueHooks object, or return the current one\n\t_queueHooks: function( elem, type ) {\n\t\tvar key = type + \"queueHooks\";\n\t\treturn dataPriv.get( elem, key ) || dataPriv.access( elem, key, {\n\t\t\tempty: jQuery.Callbacks( \"once memory\" ).add( function() {\n\t\t\t\tdataPriv.remove( elem, [ type + \"queue\", key ] );\n\t\t\t} )\n\t\t} );\n\t}\n} );\n\njQuery.fn.extend( {\n\tqueue: function( type, data ) {\n\t\tvar setter = 2;\n\n\t\tif ( typeof type !== \"string\" ) {\n\t\t\tdata = type;\n\t\t\ttype = \"fx\";\n\t\t\tsetter--;\n\t\t}\n\n\t\tif ( arguments.length < setter ) {\n\t\t\treturn jQuery.queue( this[ 0 ], type );\n\t\t}\n\n\t\treturn data === undefined ?\n\t\t\tthis :\n\t\t\tthis.each( function() {\n\t\t\t\tvar queue = jQuery.queue( this, type, data );\n\n\t\t\t\t// Ensure a hooks for this queue\n\t\t\t\tjQuery._queueHooks( this, type );\n\n\t\t\t\tif ( type === \"fx\" && queue[ 0 ] !== \"inprogress\" ) {\n\t\t\t\t\tjQuery.dequeue( this, type );\n\t\t\t\t}\n\t\t\t} );\n\t},\n\tdequeue: function( type ) {\n\t\treturn this.each( function() {\n\t\t\tjQuery.dequeue( this, type );\n\t\t} );\n\t},\n\tclearQueue: function( type ) {\n\t\treturn this.queue( type || \"fx\", [] );\n\t},\n\n\t// Get a promise resolved when queues of a certain type\n\t// are emptied (fx is the type by default)\n\tpromise: function( type, obj ) {\n\t\tvar tmp,\n\t\t\tcount = 1,\n\t\t\tdefer = jQuery.Deferred(),\n\t\t\telements = this,\n\t\t\ti = this.length,\n\t\t\tresolve = function() {\n\t\t\t\tif ( !( --count ) ) {\n\t\t\t\t\tdefer.resolveWith( elements, [ elements ] );\n\t\t\t\t}\n\t\t\t};\n\n\t\tif ( typeof type !== \"string\" ) {\n\t\t\tobj = type;\n\t\t\ttype = undefined;\n\t\t}\n\t\ttype = type || \"fx\";\n\n\t\twhile ( i-- ) {\n\t\t\ttmp = dataPriv.get( elements[ i ], type + \"queueHooks\" );\n\t\t\tif ( tmp && tmp.empty ) {\n\t\t\t\tcount++;\n\t\t\t\ttmp.empty.add( resolve );\n\t\t\t}\n\t\t}\n\t\tresolve();\n\t\treturn defer.promise( obj );\n\t}\n} );\nvar pnum = ( /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/ ).source;\n\nvar rcssNum = new RegExp( \"^(?:([+-])=|)(\" + pnum + \")([a-z%]*)$\", \"i\" );\n\n\nvar cssExpand = [ \"Top\", \"Right\", \"Bottom\", \"Left\" ];\n\nvar isHidden = function( elem, el ) {\n\n\t\t// isHidden might be called from jQuery#filter function;\n\t\t// in that case, element will be second argument\n\t\telem = el || elem;\n\t\treturn jQuery.css( elem, \"display\" ) === \"none\" ||\n\t\t\t!jQuery.contains( elem.ownerDocument, elem );\n\t};\n\n\n\nfunction adjustCSS( elem, prop, valueParts, tween ) {\n\tvar adjusted,\n\t\tscale = 1,\n\t\tmaxIterations = 20,\n\t\tcurrentValue = tween ?\n\t\t\tfunction() { return tween.cur(); } :\n\t\t\tfunction() { return jQuery.css( elem, prop, \"\" ); },\n\t\tinitial = currentValue(),\n\t\tunit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? \"\" : \"px\" ),\n\n\t\t// Starting value computation is required for potential unit mismatches\n\t\tinitialInUnit = ( jQuery.cssNumber[ prop ] || unit !== \"px\" && +initial ) &&\n\t\t\trcssNum.exec( jQuery.css( elem, prop ) );\n\n\tif ( initialInUnit && initialInUnit[ 3 ] !== unit ) {\n\n\t\t// Trust units reported by jQuery.css\n\t\tunit = unit || initialInUnit[ 3 ];\n\n\t\t// Make sure we update the tween properties later on\n\t\tvalueParts = valueParts || [];\n\n\t\t// Iteratively approximate from a nonzero starting point\n\t\tinitialInUnit = +initial || 1;\n\n\t\tdo {\n\n\t\t\t// If previous iteration zeroed out, double until we get *something*.\n\t\t\t// Use string for doubling so we don't accidentally see scale as unchanged below\n\t\t\tscale = scale || \".5\";\n\n\t\t\t// Adjust and apply\n\t\t\tinitialInUnit = initialInUnit / scale;\n\t\t\tjQuery.style( elem, prop, initialInUnit + unit );\n\n\t\t// Update scale, tolerating zero or NaN from tween.cur()\n\t\t// Break the loop if scale is unchanged or perfect, or if we've just had enough.\n\t\t} while (\n\t\t\tscale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations\n\t\t);\n\t}\n\n\tif ( valueParts ) {\n\t\tinitialInUnit = +initialInUnit || +initial || 0;\n\n\t\t// Apply relative offset (+=/-=) if specified\n\t\tadjusted = valueParts[ 1 ] ?\n\t\t\tinitialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :\n\t\t\t+valueParts[ 2 ];\n\t\tif ( tween ) {\n\t\t\ttween.unit = unit;\n\t\t\ttween.start = initialInUnit;\n\t\t\ttween.end = adjusted;\n\t\t}\n\t}\n\treturn adjusted;\n}\nvar rcheckableType = ( /^(?:checkbox|radio)$/i );\n\nvar rtagName = ( /<([\\w:-]+)/ );\n\nvar rscriptType = ( /^$|\\/(?:java|ecma)script/i );\n\n\n\n// We have to close these tags to support XHTML (#13200)\nvar wrapMap = {\n\n\t// Support: IE9\n\toption: [ 1, \"<select multiple='multiple'>\", \"</select>\" ],\n\n\t// XHTML parsers do not magically insert elements in the\n\t// same way that tag soup parsers do. So we cannot shorten\n\t// this by omitting <tbody> or other required elements.\n\tthead: [ 1, \"<table>\", \"</table>\" ],\n\tcol: [ 2, \"<table><colgroup>\", \"</colgroup></table>\" ],\n\ttr: [ 2, \"<table><tbody>\", \"</tbody></table>\" ],\n\ttd: [ 3, \"<table><tbody><tr>\", \"</tr></tbody></table>\" ],\n\n\t_default: [ 0, \"\", \"\" ]\n};\n\n// Support: IE9\nwrapMap.optgroup = wrapMap.option;\n\nwrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;\nwrapMap.th = wrapMap.td;\n\n\nfunction getAll( context, tag ) {\n\n\t// Support: IE9-11+\n\t// Use typeof to avoid zero-argument method invocation on host objects (#15151)\n\tvar ret = typeof context.getElementsByTagName !== \"undefined\" ?\n\t\t\tcontext.getElementsByTagName( tag || \"*\" ) :\n\t\t\ttypeof context.querySelectorAll !== \"undefined\" ?\n\t\t\t\tcontext.querySelectorAll( tag || \"*\" ) :\n\t\t\t[];\n\n\treturn tag === undefined || tag && jQuery.nodeName( context, tag ) ?\n\t\tjQuery.merge( [ context ], ret ) :\n\t\tret;\n}\n\n\n// Mark scripts as having already been evaluated\nfunction setGlobalEval( elems, refElements ) {\n\tvar i = 0,\n\t\tl = elems.length;\n\n\tfor ( ; i < l; i++ ) {\n\t\tdataPriv.set(\n\t\t\telems[ i ],\n\t\t\t\"globalEval\",\n\t\t\t!refElements || dataPriv.get( refElements[ i ], \"globalEval\" )\n\t\t);\n\t}\n}\n\n\nvar rhtml = /<|&#?\\w+;/;\n\nfunction buildFragment( elems, context, scripts, selection, ignored ) {\n\tvar elem, tmp, tag, wrap, contains, j,\n\t\tfragment = context.createDocumentFragment(),\n\t\tnodes = [],\n\t\ti = 0,\n\t\tl = elems.length;\n\n\tfor ( ; i < l; i++ ) {\n\t\telem = elems[ i ];\n\n\t\tif ( elem || elem === 0 ) {\n\n\t\t\t// Add nodes directly\n\t\t\tif ( jQuery.type( elem ) === \"object\" ) {\n\n\t\t\t\t// Support: Android<4.1, PhantomJS<2\n\t\t\t\t// push.apply(_, arraylike) throws on ancient WebKit\n\t\t\t\tjQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );\n\n\t\t\t// Convert non-html into a text node\n\t\t\t} else if ( !rhtml.test( elem ) ) {\n\t\t\t\tnodes.push( context.createTextNode( elem ) );\n\n\t\t\t// Convert html into DOM nodes\n\t\t\t} else {\n\t\t\t\ttmp = tmp || fragment.appendChild( context.createElement( \"div\" ) );\n\n\t\t\t\t// Deserialize a standard representation\n\t\t\t\ttag = ( rtagName.exec( elem ) || [ \"\", \"\" ] )[ 1 ].toLowerCase();\n\t\t\t\twrap = wrapMap[ tag ] || wrapMap._default;\n\t\t\t\ttmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];\n\n\t\t\t\t// Descend through wrappers to the right content\n\t\t\t\tj = wrap[ 0 ];\n\t\t\t\twhile ( j-- ) {\n\t\t\t\t\ttmp = tmp.lastChild;\n\t\t\t\t}\n\n\t\t\t\t// Support: Android<4.1, PhantomJS<2\n\t\t\t\t// push.apply(_, arraylike) throws on ancient WebKit\n\t\t\t\tjQuery.merge( nodes, tmp.childNodes );\n\n\t\t\t\t// Remember the top-level container\n\t\t\t\ttmp = fragment.firstChild;\n\n\t\t\t\t// Ensure the created nodes are orphaned (#12392)\n\t\t\t\ttmp.textContent = \"\";\n\t\t\t}\n\t\t}\n\t}\n\n\t// Remove wrapper from fragment\n\tfragment.textContent = \"\";\n\n\ti = 0;\n\twhile ( ( elem = nodes[ i++ ] ) ) {\n\n\t\t// Skip elements already in the context collection (trac-4087)\n\t\tif ( selection && jQuery.inArray( elem, selection ) > -1 ) {\n\t\t\tif ( ignored ) {\n\t\t\t\tignored.push( elem );\n\t\t\t}\n\t\t\tcontinue;\n\t\t}\n\n\t\tcontains = jQuery.contains( elem.ownerDocument, elem );\n\n\t\t// Append to fragment\n\t\ttmp = getAll( fragment.appendChild( elem ), \"script\" );\n\n\t\t// Preserve script evaluation history\n\t\tif ( contains ) {\n\t\t\tsetGlobalEval( tmp );\n\t\t}\n\n\t\t// Capture executables\n\t\tif ( scripts ) {\n\t\t\tj = 0;\n\t\t\twhile ( ( elem = tmp[ j++ ] ) ) {\n\t\t\t\tif ( rscriptType.test( elem.type || \"\" ) ) {\n\t\t\t\t\tscripts.push( elem );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn fragment;\n}\n\n\n( function() {\n\tvar fragment = document.createDocumentFragment(),\n\t\tdiv = fragment.appendChild( document.createElement( \"div\" ) ),\n\t\tinput = document.createElement( \"input\" );\n\n\t// Support: Android 4.0-4.3, Safari<=5.1\n\t// Check state lost if the name is set (#11217)\n\t// Support: Windows Web Apps (WWA)\n\t// `name` and `type` must use .setAttribute for WWA (#14901)\n\tinput.setAttribute( \"type\", \"radio\" );\n\tinput.setAttribute( \"checked\", \"checked\" );\n\tinput.setAttribute( \"name\", \"t\" );\n\n\tdiv.appendChild( input );\n\n\t// Support: Safari<=5.1, Android<4.2\n\t// Older WebKit doesn't clone checked state correctly in fragments\n\tsupport.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;\n\n\t// Support: IE<=11+\n\t// Make sure textarea (and checkbox) defaultValue is properly cloned\n\tdiv.innerHTML = \"<textarea>x</textarea>\";\n\tsupport.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;\n} )();\n\n\nvar\n\trkeyEvent = /^key/,\n\trmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,\n\trtypenamespace = /^([^.]*)(?:\\.(.+)|)/;\n\nfunction returnTrue() {\n\treturn true;\n}\n\nfunction returnFalse() {\n\treturn false;\n}\n\n// Support: IE9\n// See #13393 for more info\nfunction safeActiveElement() {\n\ttry {\n\t\treturn document.activeElement;\n\t} catch ( err ) { }\n}\n\nfunction on( elem, types, selector, data, fn, one ) {\n\tvar origFn, type;\n\n\t// Types can be a map of types/handlers\n\tif ( typeof types === \"object\" ) {\n\n\t\t// ( types-Object, selector, data )\n\t\tif ( typeof selector !== \"string\" ) {\n\n\t\t\t// ( types-Object, data )\n\t\t\tdata = data || selector;\n\t\t\tselector = undefined;\n\t\t}\n\t\tfor ( type in types ) {\n\t\t\ton( elem, type, selector, data, types[ type ], one );\n\t\t}\n\t\treturn elem;\n\t}\n\n\tif ( data == null && fn == null ) {\n\n\t\t// ( types, fn )\n\t\tfn = selector;\n\t\tdata = selector = undefined;\n\t} else if ( fn == null ) {\n\t\tif ( typeof selector === \"string\" ) {\n\n\t\t\t// ( types, selector, fn )\n\t\t\tfn = data;\n\t\t\tdata = undefined;\n\t\t} else {\n\n\t\t\t// ( types, data, fn )\n\t\t\tfn = data;\n\t\t\tdata = selector;\n\t\t\tselector = undefined;\n\t\t}\n\t}\n\tif ( fn === false ) {\n\t\tfn = returnFalse;\n\t} else if ( !fn ) {\n\t\treturn this;\n\t}\n\n\tif ( one === 1 ) {\n\t\torigFn = fn;\n\t\tfn = function( event ) {\n\n\t\t\t// Can use an empty set, since event contains the info\n\t\t\tjQuery().off( event );\n\t\t\treturn origFn.apply( this, arguments );\n\t\t};\n\n\t\t// Use same guid so caller can remove using origFn\n\t\tfn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );\n\t}\n\treturn elem.each( function() {\n\t\tjQuery.event.add( this, types, fn, data, selector );\n\t} );\n}\n\n/*\n * Helper functions for managing events -- not part of the public interface.\n * Props to Dean Edwards' addEvent library for many of the ideas.\n */\njQuery.event = {\n\n\tglobal: {},\n\n\tadd: function( elem, types, handler, data, selector ) {\n\n\t\tvar handleObjIn, eventHandle, tmp,\n\t\t\tevents, t, handleObj,\n\t\t\tspecial, handlers, type, namespaces, origType,\n\t\t\telemData = dataPriv.get( elem );\n\n\t\t// Don't attach events to noData or text/comment nodes (but allow plain objects)\n\t\tif ( !elemData ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Caller can pass in an object of custom data in lieu of the handler\n\t\tif ( handler.handler ) {\n\t\t\thandleObjIn = handler;\n\t\t\thandler = handleObjIn.handler;\n\t\t\tselector = handleObjIn.selector;\n\t\t}\n\n\t\t// Make sure that the handler has a unique ID, used to find/remove it later\n\t\tif ( !handler.guid ) {\n\t\t\thandler.guid = jQuery.guid++;\n\t\t}\n\n\t\t// Init the element's event structure and main handler, if this is the first\n\t\tif ( !( events = elemData.events ) ) {\n\t\t\tevents = elemData.events = {};\n\t\t}\n\t\tif ( !( eventHandle = elemData.handle ) ) {\n\t\t\teventHandle = elemData.handle = function( e ) {\n\n\t\t\t\t// Discard the second event of a jQuery.event.trigger() and\n\t\t\t\t// when an event is called after a page has unloaded\n\t\t\t\treturn typeof jQuery !== \"undefined\" && jQuery.event.triggered !== e.type ?\n\t\t\t\t\tjQuery.event.dispatch.apply( elem, arguments ) : undefined;\n\t\t\t};\n\t\t}\n\n\t\t// Handle multiple events separated by a space\n\t\ttypes = ( types || \"\" ).match( rnotwhite ) || [ \"\" ];\n\t\tt = types.length;\n\t\twhile ( t-- ) {\n\t\t\ttmp = rtypenamespace.exec( types[ t ] ) || [];\n\t\t\ttype = origType = tmp[ 1 ];\n\t\t\tnamespaces = ( tmp[ 2 ] || \"\" ).split( \".\" ).sort();\n\n\t\t\t// There *must* be a type, no attaching namespace-only handlers\n\t\t\tif ( !type ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// If event changes its type, use the special event handlers for the changed type\n\t\t\tspecial = jQuery.event.special[ type ] || {};\n\n\t\t\t// If selector defined, determine special event api type, otherwise given type\n\t\t\ttype = ( selector ? special.delegateType : special.bindType ) || type;\n\n\t\t\t// Update special based on newly reset type\n\t\t\tspecial = jQuery.event.special[ type ] || {};\n\n\t\t\t// handleObj is passed to all event handlers\n\t\t\thandleObj = jQuery.extend( {\n\t\t\t\ttype: type,\n\t\t\t\torigType: origType,\n\t\t\t\tdata: data,\n\t\t\t\thandler: handler,\n\t\t\t\tguid: handler.guid,\n\t\t\t\tselector: selector,\n\t\t\t\tneedsContext: selector && jQuery.expr.match.needsContext.test( selector ),\n\t\t\t\tnamespace: namespaces.join( \".\" )\n\t\t\t}, handleObjIn );\n\n\t\t\t// Init the event handler queue if we're the first\n\t\t\tif ( !( handlers = events[ type ] ) ) {\n\t\t\t\thandlers = events[ type ] = [];\n\t\t\t\thandlers.delegateCount = 0;\n\n\t\t\t\t// Only use addEventListener if the special events handler returns false\n\t\t\t\tif ( !special.setup ||\n\t\t\t\t\tspecial.setup.call( elem, data, namespaces, eventHandle ) === false ) {\n\n\t\t\t\t\tif ( elem.addEventListener ) {\n\t\t\t\t\t\telem.addEventListener( type, eventHandle );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif ( special.add ) {\n\t\t\t\tspecial.add.call( elem, handleObj );\n\n\t\t\t\tif ( !handleObj.handler.guid ) {\n\t\t\t\t\thandleObj.handler.guid = handler.guid;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Add to the element's handler list, delegates in front\n\t\t\tif ( selector ) {\n\t\t\t\thandlers.splice( handlers.delegateCount++, 0, handleObj );\n\t\t\t} else {\n\t\t\t\thandlers.push( handleObj );\n\t\t\t}\n\n\t\t\t// Keep track of which events have ever been used, for event optimization\n\t\t\tjQuery.event.global[ type ] = true;\n\t\t}\n\n\t},\n\n\t// Detach an event or set of events from an element\n\tremove: function( elem, types, handler, selector, mappedTypes ) {\n\n\t\tvar j, origCount, tmp,\n\t\t\tevents, t, handleObj,\n\t\t\tspecial, handlers, type, namespaces, origType,\n\t\t\telemData = dataPriv.hasData( elem ) && dataPriv.get( elem );\n\n\t\tif ( !elemData || !( events = elemData.events ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Once for each type.namespace in types; type may be omitted\n\t\ttypes = ( types || \"\" ).match( rnotwhite ) || [ \"\" ];\n\t\tt = types.length;\n\t\twhile ( t-- ) {\n\t\t\ttmp = rtypenamespace.exec( types[ t ] ) || [];\n\t\t\ttype = origType = tmp[ 1 ];\n\t\t\tnamespaces = ( tmp[ 2 ] || \"\" ).split( \".\" ).sort();\n\n\t\t\t// Unbind all events (on this namespace, if provided) for the element\n\t\t\tif ( !type ) {\n\t\t\t\tfor ( type in events ) {\n\t\t\t\t\tjQuery.event.remove( elem, type + types[ t ], handler, selector, true );\n\t\t\t\t}\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\tspecial = jQuery.event.special[ type ] || {};\n\t\t\ttype = ( selector ? special.delegateType : special.bindType ) || type;\n\t\t\thandlers = events[ type ] || [];\n\t\t\ttmp = tmp[ 2 ] &&\n\t\t\t\tnew RegExp( \"(^|\\\\.)\" + namespaces.join( \"\\\\.(?:.*\\\\.|)\" ) + \"(\\\\.|$)\" );\n\n\t\t\t// Remove matching events\n\t\t\torigCount = j = handlers.length;\n\t\t\twhile ( j-- ) {\n\t\t\t\thandleObj = handlers[ j ];\n\n\t\t\t\tif ( ( mappedTypes || origType === handleObj.origType ) &&\n\t\t\t\t\t( !handler || handler.guid === handleObj.guid ) &&\n\t\t\t\t\t( !tmp || tmp.test( handleObj.namespace ) ) &&\n\t\t\t\t\t( !selector || selector === handleObj.selector ||\n\t\t\t\t\t\tselector === \"**\" && handleObj.selector ) ) {\n\t\t\t\t\thandlers.splice( j, 1 );\n\n\t\t\t\t\tif ( handleObj.selector ) {\n\t\t\t\t\t\thandlers.delegateCount--;\n\t\t\t\t\t}\n\t\t\t\t\tif ( special.remove ) {\n\t\t\t\t\t\tspecial.remove.call( elem, handleObj );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Remove generic event handler if we removed something and no more handlers exist\n\t\t\t// (avoids potential for endless recursion during removal of special event handlers)\n\t\t\tif ( origCount && !handlers.length ) {\n\t\t\t\tif ( !special.teardown ||\n\t\t\t\t\tspecial.teardown.call( elem, namespaces, elemData.handle ) === false ) {\n\n\t\t\t\t\tjQuery.removeEvent( elem, type, elemData.handle );\n\t\t\t\t}\n\n\t\t\t\tdelete events[ type ];\n\t\t\t}\n\t\t}\n\n\t\t// Remove data and the expando if it's no longer used\n\t\tif ( jQuery.isEmptyObject( events ) ) {\n\t\t\tdataPriv.remove( elem, \"handle events\" );\n\t\t}\n\t},\n\n\tdispatch: function( event ) {\n\n\t\t// Make a writable jQuery.Event from the native event object\n\t\tevent = jQuery.event.fix( event );\n\n\t\tvar i, j, ret, matched, handleObj,\n\t\t\thandlerQueue = [],\n\t\t\targs = slice.call( arguments ),\n\t\t\thandlers = ( dataPriv.get( this, \"events\" ) || {} )[ event.type ] || [],\n\t\t\tspecial = jQuery.event.special[ event.type ] || {};\n\n\t\t// Use the fix-ed jQuery.Event rather than the (read-only) native event\n\t\targs[ 0 ] = event;\n\t\tevent.delegateTarget = this;\n\n\t\t// Call the preDispatch hook for the mapped type, and let it bail if desired\n\t\tif ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Determine handlers\n\t\thandlerQueue = jQuery.event.handlers.call( this, event, handlers );\n\n\t\t// Run delegates first; they may want to stop propagation beneath us\n\t\ti = 0;\n\t\twhile ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {\n\t\t\tevent.currentTarget = matched.elem;\n\n\t\t\tj = 0;\n\t\t\twhile ( ( handleObj = matched.handlers[ j++ ] ) &&\n\t\t\t\t!event.isImmediatePropagationStopped() ) {\n\n\t\t\t\t// Triggered event must either 1) have no namespace, or 2) have namespace(s)\n\t\t\t\t// a subset or equal to those in the bound event (both can have no namespace).\n\t\t\t\tif ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {\n\n\t\t\t\t\tevent.handleObj = handleObj;\n\t\t\t\t\tevent.data = handleObj.data;\n\n\t\t\t\t\tret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||\n\t\t\t\t\t\thandleObj.handler ).apply( matched.elem, args );\n\n\t\t\t\t\tif ( ret !== undefined ) {\n\t\t\t\t\t\tif ( ( event.result = ret ) === false ) {\n\t\t\t\t\t\t\tevent.preventDefault();\n\t\t\t\t\t\t\tevent.stopPropagation();\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Call the postDispatch hook for the mapped type\n\t\tif ( special.postDispatch ) {\n\t\t\tspecial.postDispatch.call( this, event );\n\t\t}\n\n\t\treturn event.result;\n\t},\n\n\thandlers: function( event, handlers ) {\n\t\tvar i, matches, sel, handleObj,\n\t\t\thandlerQueue = [],\n\t\t\tdelegateCount = handlers.delegateCount,\n\t\t\tcur = event.target;\n\n\t\t// Support (at least): Chrome, IE9\n\t\t// Find delegate handlers\n\t\t// Black-hole SVG <use> instance trees (#13180)\n\t\t//\n\t\t// Support: Firefox<=42+\n\t\t// Avoid non-left-click in FF but don't block IE radio events (#3861, gh-2343)\n\t\tif ( delegateCount && cur.nodeType &&\n\t\t\t( event.type !== \"click\" || isNaN( event.button ) || event.button < 1 ) ) {\n\n\t\t\tfor ( ; cur !== this; cur = cur.parentNode || this ) {\n\n\t\t\t\t// Don't check non-elements (#13208)\n\t\t\t\t// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)\n\t\t\t\tif ( cur.nodeType === 1 && ( cur.disabled !== true || event.type !== \"click\" ) ) {\n\t\t\t\t\tmatches = [];\n\t\t\t\t\tfor ( i = 0; i < delegateCount; i++ ) {\n\t\t\t\t\t\thandleObj = handlers[ i ];\n\n\t\t\t\t\t\t// Don't conflict with Object.prototype properties (#13203)\n\t\t\t\t\t\tsel = handleObj.selector + \" \";\n\n\t\t\t\t\t\tif ( matches[ sel ] === undefined ) {\n\t\t\t\t\t\t\tmatches[ sel ] = handleObj.needsContext ?\n\t\t\t\t\t\t\t\tjQuery( sel, this ).index( cur ) > -1 :\n\t\t\t\t\t\t\t\tjQuery.find( sel, this, null, [ cur ] ).length;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif ( matches[ sel ] ) {\n\t\t\t\t\t\t\tmatches.push( handleObj );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tif ( matches.length ) {\n\t\t\t\t\t\thandlerQueue.push( { elem: cur, handlers: matches } );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Add the remaining (directly-bound) handlers\n\t\tif ( delegateCount < handlers.length ) {\n\t\t\thandlerQueue.push( { elem: this, handlers: handlers.slice( delegateCount ) } );\n\t\t}\n\n\t\treturn handlerQueue;\n\t},\n\n\t// Includes some event props shared by KeyEvent and MouseEvent\n\tprops: ( \"altKey bubbles cancelable ctrlKey currentTarget detail eventPhase \" +\n\t\t\"metaKey relatedTarget shiftKey target timeStamp view which\" ).split( \" \" ),\n\n\tfixHooks: {},\n\n\tkeyHooks: {\n\t\tprops: \"char charCode key keyCode\".split( \" \" ),\n\t\tfilter: function( event, original ) {\n\n\t\t\t// Add which for key events\n\t\t\tif ( event.which == null ) {\n\t\t\t\tevent.which = original.charCode != null ? original.charCode : original.keyCode;\n\t\t\t}\n\n\t\t\treturn event;\n\t\t}\n\t},\n\n\tmouseHooks: {\n\t\tprops: ( \"button buttons clientX clientY offsetX offsetY pageX pageY \" +\n\t\t\t\"screenX screenY toElement\" ).split( \" \" ),\n\t\tfilter: function( event, original ) {\n\t\t\tvar eventDoc, doc, body,\n\t\t\t\tbutton = original.button;\n\n\t\t\t// Calculate pageX/Y if missing and clientX/Y available\n\t\t\tif ( event.pageX == null && original.clientX != null ) {\n\t\t\t\teventDoc = event.target.ownerDocument || document;\n\t\t\t\tdoc = eventDoc.documentElement;\n\t\t\t\tbody = eventDoc.body;\n\n\t\t\t\tevent.pageX = original.clientX +\n\t\t\t\t\t( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) -\n\t\t\t\t\t( doc && doc.clientLeft || body && body.clientLeft || 0 );\n\t\t\t\tevent.pageY = original.clientY +\n\t\t\t\t\t( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) -\n\t\t\t\t\t( doc && doc.clientTop  || body && body.clientTop  || 0 );\n\t\t\t}\n\n\t\t\t// Add which for click: 1 === left; 2 === middle; 3 === right\n\t\t\t// Note: button is not normalized, so don't use it\n\t\t\tif ( !event.which && button !== undefined ) {\n\t\t\t\tevent.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );\n\t\t\t}\n\n\t\t\treturn event;\n\t\t}\n\t},\n\n\tfix: function( event ) {\n\t\tif ( event[ jQuery.expando ] ) {\n\t\t\treturn event;\n\t\t}\n\n\t\t// Create a writable copy of the event object and normalize some properties\n\t\tvar i, prop, copy,\n\t\t\ttype = event.type,\n\t\t\toriginalEvent = event,\n\t\t\tfixHook = this.fixHooks[ type ];\n\n\t\tif ( !fixHook ) {\n\t\t\tthis.fixHooks[ type ] = fixHook =\n\t\t\t\trmouseEvent.test( type ) ? this.mouseHooks :\n\t\t\t\trkeyEvent.test( type ) ? this.keyHooks :\n\t\t\t\t{};\n\t\t}\n\t\tcopy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;\n\n\t\tevent = new jQuery.Event( originalEvent );\n\n\t\ti = copy.length;\n\t\twhile ( i-- ) {\n\t\t\tprop = copy[ i ];\n\t\t\tevent[ prop ] = originalEvent[ prop ];\n\t\t}\n\n\t\t// Support: Cordova 2.5 (WebKit) (#13255)\n\t\t// All events should have a target; Cordova deviceready doesn't\n\t\tif ( !event.target ) {\n\t\t\tevent.target = document;\n\t\t}\n\n\t\t// Support: Safari 6.0+, Chrome<28\n\t\t// Target should not be a text node (#504, #13143)\n\t\tif ( event.target.nodeType === 3 ) {\n\t\t\tevent.target = event.target.parentNode;\n\t\t}\n\n\t\treturn fixHook.filter ? fixHook.filter( event, originalEvent ) : event;\n\t},\n\n\tspecial: {\n\t\tload: {\n\n\t\t\t// Prevent triggered image.load events from bubbling to window.load\n\t\t\tnoBubble: true\n\t\t},\n\t\tfocus: {\n\n\t\t\t// Fire native event if possible so blur/focus sequence is correct\n\t\t\ttrigger: function() {\n\t\t\t\tif ( this !== safeActiveElement() && this.focus ) {\n\t\t\t\t\tthis.focus();\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t},\n\t\t\tdelegateType: \"focusin\"\n\t\t},\n\t\tblur: {\n\t\t\ttrigger: function() {\n\t\t\t\tif ( this === safeActiveElement() && this.blur ) {\n\t\t\t\t\tthis.blur();\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t},\n\t\t\tdelegateType: \"focusout\"\n\t\t},\n\t\tclick: {\n\n\t\t\t// For checkbox, fire native event so checked state will be right\n\t\t\ttrigger: function() {\n\t\t\t\tif ( this.type === \"checkbox\" && this.click && jQuery.nodeName( this, \"input\" ) ) {\n\t\t\t\t\tthis.click();\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t},\n\n\t\t\t// For cross-browser consistency, don't fire native .click() on links\n\t\t\t_default: function( event ) {\n\t\t\t\treturn jQuery.nodeName( event.target, \"a\" );\n\t\t\t}\n\t\t},\n\n\t\tbeforeunload: {\n\t\t\tpostDispatch: function( event ) {\n\n\t\t\t\t// Support: Firefox 20+\n\t\t\t\t// Firefox doesn't alert if the returnValue field is not set.\n\t\t\t\tif ( event.result !== undefined && event.originalEvent ) {\n\t\t\t\t\tevent.originalEvent.returnValue = event.result;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n};\n\njQuery.removeEvent = function( elem, type, handle ) {\n\n\t// This \"if\" is needed for plain objects\n\tif ( elem.removeEventListener ) {\n\t\telem.removeEventListener( type, handle );\n\t}\n};\n\njQuery.Event = function( src, props ) {\n\n\t// Allow instantiation without the 'new' keyword\n\tif ( !( this instanceof jQuery.Event ) ) {\n\t\treturn new jQuery.Event( src, props );\n\t}\n\n\t// Event object\n\tif ( src && src.type ) {\n\t\tthis.originalEvent = src;\n\t\tthis.type = src.type;\n\n\t\t// Events bubbling up the document may have been marked as prevented\n\t\t// by a handler lower down the tree; reflect the correct value.\n\t\tthis.isDefaultPrevented = src.defaultPrevented ||\n\t\t\t\tsrc.defaultPrevented === undefined &&\n\n\t\t\t\t// Support: Android<4.0\n\t\t\t\tsrc.returnValue === false ?\n\t\t\treturnTrue :\n\t\t\treturnFalse;\n\n\t// Event type\n\t} else {\n\t\tthis.type = src;\n\t}\n\n\t// Put explicitly provided properties onto the event object\n\tif ( props ) {\n\t\tjQuery.extend( this, props );\n\t}\n\n\t// Create a timestamp if incoming event doesn't have one\n\tthis.timeStamp = src && src.timeStamp || jQuery.now();\n\n\t// Mark it as fixed\n\tthis[ jQuery.expando ] = true;\n};\n\n// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding\n// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html\njQuery.Event.prototype = {\n\tconstructor: jQuery.Event,\n\tisDefaultPrevented: returnFalse,\n\tisPropagationStopped: returnFalse,\n\tisImmediatePropagationStopped: returnFalse,\n\n\tpreventDefault: function() {\n\t\tvar e = this.originalEvent;\n\n\t\tthis.isDefaultPrevented = returnTrue;\n\n\t\tif ( e ) {\n\t\t\te.preventDefault();\n\t\t}\n\t},\n\tstopPropagation: function() {\n\t\tvar e = this.originalEvent;\n\n\t\tthis.isPropagationStopped = returnTrue;\n\n\t\tif ( e ) {\n\t\t\te.stopPropagation();\n\t\t}\n\t},\n\tstopImmediatePropagation: function() {\n\t\tvar e = this.originalEvent;\n\n\t\tthis.isImmediatePropagationStopped = returnTrue;\n\n\t\tif ( e ) {\n\t\t\te.stopImmediatePropagation();\n\t\t}\n\n\t\tthis.stopPropagation();\n\t}\n};\n\n// Create mouseenter/leave events using mouseover/out and event-time checks\n// so that event delegation works in jQuery.\n// Do the same for pointerenter/pointerleave and pointerover/pointerout\n//\n// Support: Safari 7 only\n// Safari sends mouseenter too often; see:\n// https://code.google.com/p/chromium/issues/detail?id=470258\n// for the description of the bug (it existed in older Chrome versions as well).\njQuery.each( {\n\tmouseenter: \"mouseover\",\n\tmouseleave: \"mouseout\",\n\tpointerenter: \"pointerover\",\n\tpointerleave: \"pointerout\"\n}, function( orig, fix ) {\n\tjQuery.event.special[ orig ] = {\n\t\tdelegateType: fix,\n\t\tbindType: fix,\n\n\t\thandle: function( event ) {\n\t\t\tvar ret,\n\t\t\t\ttarget = this,\n\t\t\t\trelated = event.relatedTarget,\n\t\t\t\thandleObj = event.handleObj;\n\n\t\t\t// For mouseenter/leave call the handler if related is outside the target.\n\t\t\t// NB: No relatedTarget if the mouse left/entered the browser window\n\t\t\tif ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {\n\t\t\t\tevent.type = handleObj.origType;\n\t\t\t\tret = handleObj.handler.apply( this, arguments );\n\t\t\t\tevent.type = fix;\n\t\t\t}\n\t\t\treturn ret;\n\t\t}\n\t};\n} );\n\njQuery.fn.extend( {\n\ton: function( types, selector, data, fn ) {\n\t\treturn on( this, types, selector, data, fn );\n\t},\n\tone: function( types, selector, data, fn ) {\n\t\treturn on( this, types, selector, data, fn, 1 );\n\t},\n\toff: function( types, selector, fn ) {\n\t\tvar handleObj, type;\n\t\tif ( types && types.preventDefault && types.handleObj ) {\n\n\t\t\t// ( event )  dispatched jQuery.Event\n\t\t\thandleObj = types.handleObj;\n\t\t\tjQuery( types.delegateTarget ).off(\n\t\t\t\thandleObj.namespace ?\n\t\t\t\t\thandleObj.origType + \".\" + handleObj.namespace :\n\t\t\t\t\thandleObj.origType,\n\t\t\t\thandleObj.selector,\n\t\t\t\thandleObj.handler\n\t\t\t);\n\t\t\treturn this;\n\t\t}\n\t\tif ( typeof types === \"object\" ) {\n\n\t\t\t// ( types-object [, selector] )\n\t\t\tfor ( type in types ) {\n\t\t\t\tthis.off( type, selector, types[ type ] );\n\t\t\t}\n\t\t\treturn this;\n\t\t}\n\t\tif ( selector === false || typeof selector === \"function\" ) {\n\n\t\t\t// ( types [, fn] )\n\t\t\tfn = selector;\n\t\t\tselector = undefined;\n\t\t}\n\t\tif ( fn === false ) {\n\t\t\tfn = returnFalse;\n\t\t}\n\t\treturn this.each( function() {\n\t\t\tjQuery.event.remove( this, types, fn, selector );\n\t\t} );\n\t}\n} );\n\n\nvar\n\trxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\\w:-]+)[^>]*)\\/>/gi,\n\n\t// Support: IE 10-11, Edge 10240+\n\t// In IE/Edge using regex groups here causes severe slowdowns.\n\t// See https://connect.microsoft.com/IE/feedback/details/1736512/\n\trnoInnerhtml = /<script|<style|<link/i,\n\n\t// checked=\"checked\" or checked\n\trchecked = /checked\\s*(?:[^=]|=\\s*.checked.)/i,\n\trscriptTypeMasked = /^true\\/(.*)/,\n\trcleanScript = /^\\s*<!(?:\\[CDATA\\[|--)|(?:\\]\\]|--)>\\s*$/g;\n\nfunction manipulationTarget( elem, content ) {\n\tif ( jQuery.nodeName( elem, \"table\" ) &&\n\t\tjQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, \"tr\" ) ) {\n\n\t\treturn elem.getElementsByTagName( \"tbody\" )[ 0 ] || elem;\n\t}\n\n\treturn elem;\n}\n\n// Replace/restore the type attribute of script elements for safe DOM manipulation\nfunction disableScript( elem ) {\n\telem.type = ( elem.getAttribute( \"type\" ) !== null ) + \"/\" + elem.type;\n\treturn elem;\n}\nfunction restoreScript( elem ) {\n\tvar match = rscriptTypeMasked.exec( elem.type );\n\n\tif ( match ) {\n\t\telem.type = match[ 1 ];\n\t} else {\n\t\telem.removeAttribute( \"type\" );\n\t}\n\n\treturn elem;\n}\n\nfunction cloneCopyEvent( src, dest ) {\n\tvar i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;\n\n\tif ( dest.nodeType !== 1 ) {\n\t\treturn;\n\t}\n\n\t// 1. Copy private data: events, handlers, etc.\n\tif ( dataPriv.hasData( src ) ) {\n\t\tpdataOld = dataPriv.access( src );\n\t\tpdataCur = dataPriv.set( dest, pdataOld );\n\t\tevents = pdataOld.events;\n\n\t\tif ( events ) {\n\t\t\tdelete pdataCur.handle;\n\t\t\tpdataCur.events = {};\n\n\t\t\tfor ( type in events ) {\n\t\t\t\tfor ( i = 0, l = events[ type ].length; i < l; i++ ) {\n\t\t\t\t\tjQuery.event.add( dest, type, events[ type ][ i ] );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t// 2. Copy user data\n\tif ( dataUser.hasData( src ) ) {\n\t\tudataOld = dataUser.access( src );\n\t\tudataCur = jQuery.extend( {}, udataOld );\n\n\t\tdataUser.set( dest, udataCur );\n\t}\n}\n\n// Fix IE bugs, see support tests\nfunction fixInput( src, dest ) {\n\tvar nodeName = dest.nodeName.toLowerCase();\n\n\t// Fails to persist the checked state of a cloned checkbox or radio button.\n\tif ( nodeName === \"input\" && rcheckableType.test( src.type ) ) {\n\t\tdest.checked = src.checked;\n\n\t// Fails to return the selected option to the default selected state when cloning options\n\t} else if ( nodeName === \"input\" || nodeName === \"textarea\" ) {\n\t\tdest.defaultValue = src.defaultValue;\n\t}\n}\n\nfunction domManip( collection, args, callback, ignored ) {\n\n\t// Flatten any nested arrays\n\targs = concat.apply( [], args );\n\n\tvar fragment, first, scripts, hasScripts, node, doc,\n\t\ti = 0,\n\t\tl = collection.length,\n\t\tiNoClone = l - 1,\n\t\tvalue = args[ 0 ],\n\t\tisFunction = jQuery.isFunction( value );\n\n\t// We can't cloneNode fragments that contain checked, in WebKit\n\tif ( isFunction ||\n\t\t\t( l > 1 && typeof value === \"string\" &&\n\t\t\t\t!support.checkClone && rchecked.test( value ) ) ) {\n\t\treturn collection.each( function( index ) {\n\t\t\tvar self = collection.eq( index );\n\t\t\tif ( isFunction ) {\n\t\t\t\targs[ 0 ] = value.call( this, index, self.html() );\n\t\t\t}\n\t\t\tdomManip( self, args, callback, ignored );\n\t\t} );\n\t}\n\n\tif ( l ) {\n\t\tfragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );\n\t\tfirst = fragment.firstChild;\n\n\t\tif ( fragment.childNodes.length === 1 ) {\n\t\t\tfragment = first;\n\t\t}\n\n\t\t// Require either new content or an interest in ignored elements to invoke the callback\n\t\tif ( first || ignored ) {\n\t\t\tscripts = jQuery.map( getAll( fragment, \"script\" ), disableScript );\n\t\t\thasScripts = scripts.length;\n\n\t\t\t// Use the original fragment for the last item\n\t\t\t// instead of the first because it can end up\n\t\t\t// being emptied incorrectly in certain situations (#8070).\n\t\t\tfor ( ; i < l; i++ ) {\n\t\t\t\tnode = fragment;\n\n\t\t\t\tif ( i !== iNoClone ) {\n\t\t\t\t\tnode = jQuery.clone( node, true, true );\n\n\t\t\t\t\t// Keep references to cloned scripts for later restoration\n\t\t\t\t\tif ( hasScripts ) {\n\n\t\t\t\t\t\t// Support: Android<4.1, PhantomJS<2\n\t\t\t\t\t\t// push.apply(_, arraylike) throws on ancient WebKit\n\t\t\t\t\t\tjQuery.merge( scripts, getAll( node, \"script\" ) );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tcallback.call( collection[ i ], node, i );\n\t\t\t}\n\n\t\t\tif ( hasScripts ) {\n\t\t\t\tdoc = scripts[ scripts.length - 1 ].ownerDocument;\n\n\t\t\t\t// Reenable scripts\n\t\t\t\tjQuery.map( scripts, restoreScript );\n\n\t\t\t\t// Evaluate executable scripts on first document insertion\n\t\t\t\tfor ( i = 0; i < hasScripts; i++ ) {\n\t\t\t\t\tnode = scripts[ i ];\n\t\t\t\t\tif ( rscriptType.test( node.type || \"\" ) &&\n\t\t\t\t\t\t!dataPriv.access( node, \"globalEval\" ) &&\n\t\t\t\t\t\tjQuery.contains( doc, node ) ) {\n\n\t\t\t\t\t\tif ( node.src ) {\n\n\t\t\t\t\t\t\t// Optional AJAX dependency, but won't run scripts if not present\n\t\t\t\t\t\t\tif ( jQuery._evalUrl ) {\n\t\t\t\t\t\t\t\tjQuery._evalUrl( node.src );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\tjQuery.globalEval( node.textContent.replace( rcleanScript, \"\" ) );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn collection;\n}\n\nfunction remove( elem, selector, keepData ) {\n\tvar node,\n\t\tnodes = selector ? jQuery.filter( selector, elem ) : elem,\n\t\ti = 0;\n\n\tfor ( ; ( node = nodes[ i ] ) != null; i++ ) {\n\t\tif ( !keepData && node.nodeType === 1 ) {\n\t\t\tjQuery.cleanData( getAll( node ) );\n\t\t}\n\n\t\tif ( node.parentNode ) {\n\t\t\tif ( keepData && jQuery.contains( node.ownerDocument, node ) ) {\n\t\t\t\tsetGlobalEval( getAll( node, \"script\" ) );\n\t\t\t}\n\t\t\tnode.parentNode.removeChild( node );\n\t\t}\n\t}\n\n\treturn elem;\n}\n\njQuery.extend( {\n\thtmlPrefilter: function( html ) {\n\t\treturn html.replace( rxhtmlTag, \"<$1></$2>\" );\n\t},\n\n\tclone: function( elem, dataAndEvents, deepDataAndEvents ) {\n\t\tvar i, l, srcElements, destElements,\n\t\t\tclone = elem.cloneNode( true ),\n\t\t\tinPage = jQuery.contains( elem.ownerDocument, elem );\n\n\t\t// Fix IE cloning issues\n\t\tif ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&\n\t\t\t\t!jQuery.isXMLDoc( elem ) ) {\n\n\t\t\t// We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2\n\t\t\tdestElements = getAll( clone );\n\t\t\tsrcElements = getAll( elem );\n\n\t\t\tfor ( i = 0, l = srcElements.length; i < l; i++ ) {\n\t\t\t\tfixInput( srcElements[ i ], destElements[ i ] );\n\t\t\t}\n\t\t}\n\n\t\t// Copy the events from the original to the clone\n\t\tif ( dataAndEvents ) {\n\t\t\tif ( deepDataAndEvents ) {\n\t\t\t\tsrcElements = srcElements || getAll( elem );\n\t\t\t\tdestElements = destElements || getAll( clone );\n\n\t\t\t\tfor ( i = 0, l = srcElements.length; i < l; i++ ) {\n\t\t\t\t\tcloneCopyEvent( srcElements[ i ], destElements[ i ] );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tcloneCopyEvent( elem, clone );\n\t\t\t}\n\t\t}\n\n\t\t// Preserve script evaluation history\n\t\tdestElements = getAll( clone, \"script\" );\n\t\tif ( destElements.length > 0 ) {\n\t\t\tsetGlobalEval( destElements, !inPage && getAll( elem, \"script\" ) );\n\t\t}\n\n\t\t// Return the cloned set\n\t\treturn clone;\n\t},\n\n\tcleanData: function( elems ) {\n\t\tvar data, elem, type,\n\t\t\tspecial = jQuery.event.special,\n\t\t\ti = 0;\n\n\t\tfor ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {\n\t\t\tif ( acceptData( elem ) ) {\n\t\t\t\tif ( ( data = elem[ dataPriv.expando ] ) ) {\n\t\t\t\t\tif ( data.events ) {\n\t\t\t\t\t\tfor ( type in data.events ) {\n\t\t\t\t\t\t\tif ( special[ type ] ) {\n\t\t\t\t\t\t\t\tjQuery.event.remove( elem, type );\n\n\t\t\t\t\t\t\t// This is a shortcut to avoid jQuery.event.remove's overhead\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\tjQuery.removeEvent( elem, type, data.handle );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\t// Support: Chrome <= 35-45+\n\t\t\t\t\t// Assign undefined instead of using delete, see Data#remove\n\t\t\t\t\telem[ dataPriv.expando ] = undefined;\n\t\t\t\t}\n\t\t\t\tif ( elem[ dataUser.expando ] ) {\n\n\t\t\t\t\t// Support: Chrome <= 35-45+\n\t\t\t\t\t// Assign undefined instead of using delete, see Data#remove\n\t\t\t\t\telem[ dataUser.expando ] = undefined;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n} );\n\njQuery.fn.extend( {\n\n\t// Keep domManip exposed until 3.0 (gh-2225)\n\tdomManip: domManip,\n\n\tdetach: function( selector ) {\n\t\treturn remove( this, selector, true );\n\t},\n\n\tremove: function( selector ) {\n\t\treturn remove( this, selector );\n\t},\n\n\ttext: function( value ) {\n\t\treturn access( this, function( value ) {\n\t\t\treturn value === undefined ?\n\t\t\t\tjQuery.text( this ) :\n\t\t\t\tthis.empty().each( function() {\n\t\t\t\t\tif ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {\n\t\t\t\t\t\tthis.textContent = value;\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t}, null, value, arguments.length );\n\t},\n\n\tappend: function() {\n\t\treturn domManip( this, arguments, function( elem ) {\n\t\t\tif ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {\n\t\t\t\tvar target = manipulationTarget( this, elem );\n\t\t\t\ttarget.appendChild( elem );\n\t\t\t}\n\t\t} );\n\t},\n\n\tprepend: function() {\n\t\treturn domManip( this, arguments, function( elem ) {\n\t\t\tif ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {\n\t\t\t\tvar target = manipulationTarget( this, elem );\n\t\t\t\ttarget.insertBefore( elem, target.firstChild );\n\t\t\t}\n\t\t} );\n\t},\n\n\tbefore: function() {\n\t\treturn domManip( this, arguments, function( elem ) {\n\t\t\tif ( this.parentNode ) {\n\t\t\t\tthis.parentNode.insertBefore( elem, this );\n\t\t\t}\n\t\t} );\n\t},\n\n\tafter: function() {\n\t\treturn domManip( this, arguments, function( elem ) {\n\t\t\tif ( this.parentNode ) {\n\t\t\t\tthis.parentNode.insertBefore( elem, this.nextSibling );\n\t\t\t}\n\t\t} );\n\t},\n\n\tempty: function() {\n\t\tvar elem,\n\t\t\ti = 0;\n\n\t\tfor ( ; ( elem = this[ i ] ) != null; i++ ) {\n\t\t\tif ( elem.nodeType === 1 ) {\n\n\t\t\t\t// Prevent memory leaks\n\t\t\t\tjQuery.cleanData( getAll( elem, false ) );\n\n\t\t\t\t// Remove any remaining nodes\n\t\t\t\telem.textContent = \"\";\n\t\t\t}\n\t\t}\n\n\t\treturn this;\n\t},\n\n\tclone: function( dataAndEvents, deepDataAndEvents ) {\n\t\tdataAndEvents = dataAndEvents == null ? false : dataAndEvents;\n\t\tdeepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;\n\n\t\treturn this.map( function() {\n\t\t\treturn jQuery.clone( this, dataAndEvents, deepDataAndEvents );\n\t\t} );\n\t},\n\n\thtml: function( value ) {\n\t\treturn access( this, function( value ) {\n\t\t\tvar elem = this[ 0 ] || {},\n\t\t\t\ti = 0,\n\t\t\t\tl = this.length;\n\n\t\t\tif ( value === undefined && elem.nodeType === 1 ) {\n\t\t\t\treturn elem.innerHTML;\n\t\t\t}\n\n\t\t\t// See if we can take a shortcut and just use innerHTML\n\t\t\tif ( typeof value === \"string\" && !rnoInnerhtml.test( value ) &&\n\t\t\t\t!wrapMap[ ( rtagName.exec( value ) || [ \"\", \"\" ] )[ 1 ].toLowerCase() ] ) {\n\n\t\t\t\tvalue = jQuery.htmlPrefilter( value );\n\n\t\t\t\ttry {\n\t\t\t\t\tfor ( ; i < l; i++ ) {\n\t\t\t\t\t\telem = this[ i ] || {};\n\n\t\t\t\t\t\t// Remove element nodes and prevent memory leaks\n\t\t\t\t\t\tif ( elem.nodeType === 1 ) {\n\t\t\t\t\t\t\tjQuery.cleanData( getAll( elem, false ) );\n\t\t\t\t\t\t\telem.innerHTML = value;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\telem = 0;\n\n\t\t\t\t// If using innerHTML throws an exception, use the fallback method\n\t\t\t\t} catch ( e ) {}\n\t\t\t}\n\n\t\t\tif ( elem ) {\n\t\t\t\tthis.empty().append( value );\n\t\t\t}\n\t\t}, null, value, arguments.length );\n\t},\n\n\treplaceWith: function() {\n\t\tvar ignored = [];\n\n\t\t// Make the changes, replacing each non-ignored context element with the new content\n\t\treturn domManip( this, arguments, function( elem ) {\n\t\t\tvar parent = this.parentNode;\n\n\t\t\tif ( jQuery.inArray( this, ignored ) < 0 ) {\n\t\t\t\tjQuery.cleanData( getAll( this ) );\n\t\t\t\tif ( parent ) {\n\t\t\t\t\tparent.replaceChild( elem, this );\n\t\t\t\t}\n\t\t\t}\n\n\t\t// Force callback invocation\n\t\t}, ignored );\n\t}\n} );\n\njQuery.each( {\n\tappendTo: \"append\",\n\tprependTo: \"prepend\",\n\tinsertBefore: \"before\",\n\tinsertAfter: \"after\",\n\treplaceAll: \"replaceWith\"\n}, function( name, original ) {\n\tjQuery.fn[ name ] = function( selector ) {\n\t\tvar elems,\n\t\t\tret = [],\n\t\t\tinsert = jQuery( selector ),\n\t\t\tlast = insert.length - 1,\n\t\t\ti = 0;\n\n\t\tfor ( ; i <= last; i++ ) {\n\t\t\telems = i === last ? this : this.clone( true );\n\t\t\tjQuery( insert[ i ] )[ original ]( elems );\n\n\t\t\t// Support: QtWebKit\n\t\t\t// .get() because push.apply(_, arraylike) throws\n\t\t\tpush.apply( ret, elems.get() );\n\t\t}\n\n\t\treturn this.pushStack( ret );\n\t};\n} );\n\n\nvar iframe,\n\telemdisplay = {\n\n\t\t// Support: Firefox\n\t\t// We have to pre-define these values for FF (#10227)\n\t\tHTML: \"block\",\n\t\tBODY: \"block\"\n\t};\n\n/**\n * Retrieve the actual display of a element\n * @param {String} name nodeName of the element\n * @param {Object} doc Document object\n */\n\n// Called only from within defaultDisplay\nfunction actualDisplay( name, doc ) {\n\tvar elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),\n\n\t\tdisplay = jQuery.css( elem[ 0 ], \"display\" );\n\n\t// We don't have any data stored on the element,\n\t// so use \"detach\" method as fast way to get rid of the element\n\telem.detach();\n\n\treturn display;\n}\n\n/**\n * Try to determine the default display value of an element\n * @param {String} nodeName\n */\nfunction defaultDisplay( nodeName ) {\n\tvar doc = document,\n\t\tdisplay = elemdisplay[ nodeName ];\n\n\tif ( !display ) {\n\t\tdisplay = actualDisplay( nodeName, doc );\n\n\t\t// If the simple way fails, read from inside an iframe\n\t\tif ( display === \"none\" || !display ) {\n\n\t\t\t// Use the already-created iframe if possible\n\t\t\tiframe = ( iframe || jQuery( \"<iframe frameborder='0' width='0' height='0'/>\" ) )\n\t\t\t\t.appendTo( doc.documentElement );\n\n\t\t\t// Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse\n\t\t\tdoc = iframe[ 0 ].contentDocument;\n\n\t\t\t// Support: IE\n\t\t\tdoc.write();\n\t\t\tdoc.close();\n\n\t\t\tdisplay = actualDisplay( nodeName, doc );\n\t\t\tiframe.detach();\n\t\t}\n\n\t\t// Store the correct default display\n\t\telemdisplay[ nodeName ] = display;\n\t}\n\n\treturn display;\n}\nvar rmargin = ( /^margin/ );\n\nvar rnumnonpx = new RegExp( \"^(\" + pnum + \")(?!px)[a-z%]+$\", \"i\" );\n\nvar getStyles = function( elem ) {\n\n\t\t// Support: IE<=11+, Firefox<=30+ (#15098, #14150)\n\t\t// IE throws on elements created in popups\n\t\t// FF meanwhile throws on frame elements through \"defaultView.getComputedStyle\"\n\t\tvar view = elem.ownerDocument.defaultView;\n\n\t\tif ( !view.opener ) {\n\t\t\tview = window;\n\t\t}\n\n\t\treturn view.getComputedStyle( elem );\n\t};\n\nvar swap = function( elem, options, callback, args ) {\n\tvar ret, name,\n\t\told = {};\n\n\t// Remember the old values, and insert the new ones\n\tfor ( name in options ) {\n\t\told[ name ] = elem.style[ name ];\n\t\telem.style[ name ] = options[ name ];\n\t}\n\n\tret = callback.apply( elem, args || [] );\n\n\t// Revert the old values\n\tfor ( name in options ) {\n\t\telem.style[ name ] = old[ name ];\n\t}\n\n\treturn ret;\n};\n\n\nvar documentElement = document.documentElement;\n\n\n\n( function() {\n\tvar pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal,\n\t\tcontainer = document.createElement( \"div\" ),\n\t\tdiv = document.createElement( \"div\" );\n\n\t// Finish early in limited (non-browser) environments\n\tif ( !div.style ) {\n\t\treturn;\n\t}\n\n\t// Support: IE9-11+\n\t// Style of cloned element affects source element cloned (#8908)\n\tdiv.style.backgroundClip = \"content-box\";\n\tdiv.cloneNode( true ).style.backgroundClip = \"\";\n\tsupport.clearCloneStyle = div.style.backgroundClip === \"content-box\";\n\n\tcontainer.style.cssText = \"border:0;width:8px;height:0;top:0;left:-9999px;\" +\n\t\t\"padding:0;margin-top:1px;position:absolute\";\n\tcontainer.appendChild( div );\n\n\t// Executing both pixelPosition & boxSizingReliable tests require only one layout\n\t// so they're executed at the same time to save the second computation.\n\tfunction computeStyleTests() {\n\t\tdiv.style.cssText =\n\n\t\t\t// Support: Firefox<29, Android 2.3\n\t\t\t// Vendor-prefix box-sizing\n\t\t\t\"-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;\" +\n\t\t\t\"position:relative;display:block;\" +\n\t\t\t\"margin:auto;border:1px;padding:1px;\" +\n\t\t\t\"top:1%;width:50%\";\n\t\tdiv.innerHTML = \"\";\n\t\tdocumentElement.appendChild( container );\n\n\t\tvar divStyle = window.getComputedStyle( div );\n\t\tpixelPositionVal = divStyle.top !== \"1%\";\n\t\treliableMarginLeftVal = divStyle.marginLeft === \"2px\";\n\t\tboxSizingReliableVal = divStyle.width === \"4px\";\n\n\t\t// Support: Android 4.0 - 4.3 only\n\t\t// Some styles come back with percentage values, even though they shouldn't\n\t\tdiv.style.marginRight = \"50%\";\n\t\tpixelMarginRightVal = divStyle.marginRight === \"4px\";\n\n\t\tdocumentElement.removeChild( container );\n\t}\n\n\tjQuery.extend( support, {\n\t\tpixelPosition: function() {\n\n\t\t\t// This test is executed only once but we still do memoizing\n\t\t\t// since we can use the boxSizingReliable pre-computing.\n\t\t\t// No need to check if the test was already performed, though.\n\t\t\tcomputeStyleTests();\n\t\t\treturn pixelPositionVal;\n\t\t},\n\t\tboxSizingReliable: function() {\n\t\t\tif ( boxSizingReliableVal == null ) {\n\t\t\t\tcomputeStyleTests();\n\t\t\t}\n\t\t\treturn boxSizingReliableVal;\n\t\t},\n\t\tpixelMarginRight: function() {\n\n\t\t\t// Support: Android 4.0-4.3\n\t\t\t// We're checking for boxSizingReliableVal here instead of pixelMarginRightVal\n\t\t\t// since that compresses better and they're computed together anyway.\n\t\t\tif ( boxSizingReliableVal == null ) {\n\t\t\t\tcomputeStyleTests();\n\t\t\t}\n\t\t\treturn pixelMarginRightVal;\n\t\t},\n\t\treliableMarginLeft: function() {\n\n\t\t\t// Support: IE <=8 only, Android 4.0 - 4.3 only, Firefox <=3 - 37\n\t\t\tif ( boxSizingReliableVal == null ) {\n\t\t\t\tcomputeStyleTests();\n\t\t\t}\n\t\t\treturn reliableMarginLeftVal;\n\t\t},\n\t\treliableMarginRight: function() {\n\n\t\t\t// Support: Android 2.3\n\t\t\t// Check if div with explicit width and no margin-right incorrectly\n\t\t\t// gets computed margin-right based on width of container. (#3333)\n\t\t\t// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right\n\t\t\t// This support function is only executed once so no memoizing is needed.\n\t\t\tvar ret,\n\t\t\t\tmarginDiv = div.appendChild( document.createElement( \"div\" ) );\n\n\t\t\t// Reset CSS: box-sizing; display; margin; border; padding\n\t\t\tmarginDiv.style.cssText = div.style.cssText =\n\n\t\t\t\t// Support: Android 2.3\n\t\t\t\t// Vendor-prefix box-sizing\n\t\t\t\t\"-webkit-box-sizing:content-box;box-sizing:content-box;\" +\n\t\t\t\t\"display:block;margin:0;border:0;padding:0\";\n\t\t\tmarginDiv.style.marginRight = marginDiv.style.width = \"0\";\n\t\t\tdiv.style.width = \"1px\";\n\t\t\tdocumentElement.appendChild( container );\n\n\t\t\tret = !parseFloat( window.getComputedStyle( marginDiv ).marginRight );\n\n\t\t\tdocumentElement.removeChild( container );\n\t\t\tdiv.removeChild( marginDiv );\n\n\t\t\treturn ret;\n\t\t}\n\t} );\n} )();\n\n\nfunction curCSS( elem, name, computed ) {\n\tvar width, minWidth, maxWidth, ret,\n\t\tstyle = elem.style;\n\n\tcomputed = computed || getStyles( elem );\n\n\t// Support: IE9\n\t// getPropertyValue is only needed for .css('filter') (#12537)\n\tif ( computed ) {\n\t\tret = computed.getPropertyValue( name ) || computed[ name ];\n\n\t\tif ( ret === \"\" && !jQuery.contains( elem.ownerDocument, elem ) ) {\n\t\t\tret = jQuery.style( elem, name );\n\t\t}\n\n\t\t// A tribute to the \"awesome hack by Dean Edwards\"\n\t\t// Android Browser returns percentage for some values,\n\t\t// but width seems to be reliably pixels.\n\t\t// This is against the CSSOM draft spec:\n\t\t// http://dev.w3.org/csswg/cssom/#resolved-values\n\t\tif ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {\n\n\t\t\t// Remember the original values\n\t\t\twidth = style.width;\n\t\t\tminWidth = style.minWidth;\n\t\t\tmaxWidth = style.maxWidth;\n\n\t\t\t// Put in the new values to get a computed value out\n\t\t\tstyle.minWidth = style.maxWidth = style.width = ret;\n\t\t\tret = computed.width;\n\n\t\t\t// Revert the changed values\n\t\t\tstyle.width = width;\n\t\t\tstyle.minWidth = minWidth;\n\t\t\tstyle.maxWidth = maxWidth;\n\t\t}\n\t}\n\n\treturn ret !== undefined ?\n\n\t\t// Support: IE9-11+\n\t\t// IE returns zIndex value as an integer.\n\t\tret + \"\" :\n\t\tret;\n}\n\n\nfunction addGetHookIf( conditionFn, hookFn ) {\n\n\t// Define the hook, we'll check on the first run if it's really needed.\n\treturn {\n\t\tget: function() {\n\t\t\tif ( conditionFn() ) {\n\n\t\t\t\t// Hook not needed (or it's not possible to use it due\n\t\t\t\t// to missing dependency), remove it.\n\t\t\t\tdelete this.get;\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// Hook needed; redefine it so that the support test is not executed again.\n\t\t\treturn ( this.get = hookFn ).apply( this, arguments );\n\t\t}\n\t};\n}\n\n\nvar\n\n\t// Swappable if display is none or starts with table\n\t// except \"table\", \"table-cell\", or \"table-caption\"\n\t// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display\n\trdisplayswap = /^(none|table(?!-c[ea]).+)/,\n\n\tcssShow = { position: \"absolute\", visibility: \"hidden\", display: \"block\" },\n\tcssNormalTransform = {\n\t\tletterSpacing: \"0\",\n\t\tfontWeight: \"400\"\n\t},\n\n\tcssPrefixes = [ \"Webkit\", \"O\", \"Moz\", \"ms\" ],\n\temptyStyle = document.createElement( \"div\" ).style;\n\n// Return a css property mapped to a potentially vendor prefixed property\nfunction vendorPropName( name ) {\n\n\t// Shortcut for names that are not vendor prefixed\n\tif ( name in emptyStyle ) {\n\t\treturn name;\n\t}\n\n\t// Check for vendor prefixed names\n\tvar capName = name[ 0 ].toUpperCase() + name.slice( 1 ),\n\t\ti = cssPrefixes.length;\n\n\twhile ( i-- ) {\n\t\tname = cssPrefixes[ i ] + capName;\n\t\tif ( name in emptyStyle ) {\n\t\t\treturn name;\n\t\t}\n\t}\n}\n\nfunction setPositiveNumber( elem, value, subtract ) {\n\n\t// Any relative (+/-) values have already been\n\t// normalized at this point\n\tvar matches = rcssNum.exec( value );\n\treturn matches ?\n\n\t\t// Guard against undefined \"subtract\", e.g., when used as in cssHooks\n\t\tMath.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || \"px\" ) :\n\t\tvalue;\n}\n\nfunction augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {\n\tvar i = extra === ( isBorderBox ? \"border\" : \"content\" ) ?\n\n\t\t// If we already have the right measurement, avoid augmentation\n\t\t4 :\n\n\t\t// Otherwise initialize for horizontal or vertical properties\n\t\tname === \"width\" ? 1 : 0,\n\n\t\tval = 0;\n\n\tfor ( ; i < 4; i += 2 ) {\n\n\t\t// Both box models exclude margin, so add it if we want it\n\t\tif ( extra === \"margin\" ) {\n\t\t\tval += jQuery.css( elem, extra + cssExpand[ i ], true, styles );\n\t\t}\n\n\t\tif ( isBorderBox ) {\n\n\t\t\t// border-box includes padding, so remove it if we want content\n\t\t\tif ( extra === \"content\" ) {\n\t\t\t\tval -= jQuery.css( elem, \"padding\" + cssExpand[ i ], true, styles );\n\t\t\t}\n\n\t\t\t// At this point, extra isn't border nor margin, so remove border\n\t\t\tif ( extra !== \"margin\" ) {\n\t\t\t\tval -= jQuery.css( elem, \"border\" + cssExpand[ i ] + \"Width\", true, styles );\n\t\t\t}\n\t\t} else {\n\n\t\t\t// At this point, extra isn't content, so add padding\n\t\t\tval += jQuery.css( elem, \"padding\" + cssExpand[ i ], true, styles );\n\n\t\t\t// At this point, extra isn't content nor padding, so add border\n\t\t\tif ( extra !== \"padding\" ) {\n\t\t\t\tval += jQuery.css( elem, \"border\" + cssExpand[ i ] + \"Width\", true, styles );\n\t\t\t}\n\t\t}\n\t}\n\n\treturn val;\n}\n\nfunction getWidthOrHeight( elem, name, extra ) {\n\n\t// Start with offset property, which is equivalent to the border-box value\n\tvar valueIsBorderBox = true,\n\t\tval = name === \"width\" ? elem.offsetWidth : elem.offsetHeight,\n\t\tstyles = getStyles( elem ),\n\t\tisBorderBox = jQuery.css( elem, \"boxSizing\", false, styles ) === \"border-box\";\n\n\t// Support: IE11 only\n\t// In IE 11 fullscreen elements inside of an iframe have\n\t// 100x too small dimensions (gh-1764).\n\tif ( document.msFullscreenElement && window.top !== window ) {\n\n\t\t// Support: IE11 only\n\t\t// Running getBoundingClientRect on a disconnected node\n\t\t// in IE throws an error.\n\t\tif ( elem.getClientRects().length ) {\n\t\t\tval = Math.round( elem.getBoundingClientRect()[ name ] * 100 );\n\t\t}\n\t}\n\n\t// Some non-html elements return undefined for offsetWidth, so check for null/undefined\n\t// svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285\n\t// MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668\n\tif ( val <= 0 || val == null ) {\n\n\t\t// Fall back to computed then uncomputed css if necessary\n\t\tval = curCSS( elem, name, styles );\n\t\tif ( val < 0 || val == null ) {\n\t\t\tval = elem.style[ name ];\n\t\t}\n\n\t\t// Computed unit is not pixels. Stop here and return.\n\t\tif ( rnumnonpx.test( val ) ) {\n\t\t\treturn val;\n\t\t}\n\n\t\t// Check for style in case a browser which returns unreliable values\n\t\t// for getComputedStyle silently falls back to the reliable elem.style\n\t\tvalueIsBorderBox = isBorderBox &&\n\t\t\t( support.boxSizingReliable() || val === elem.style[ name ] );\n\n\t\t// Normalize \"\", auto, and prepare for extra\n\t\tval = parseFloat( val ) || 0;\n\t}\n\n\t// Use the active box-sizing model to add/subtract irrelevant styles\n\treturn ( val +\n\t\taugmentWidthOrHeight(\n\t\t\telem,\n\t\t\tname,\n\t\t\textra || ( isBorderBox ? \"border\" : \"content\" ),\n\t\t\tvalueIsBorderBox,\n\t\t\tstyles\n\t\t)\n\t) + \"px\";\n}\n\nfunction showHide( elements, show ) {\n\tvar display, elem, hidden,\n\t\tvalues = [],\n\t\tindex = 0,\n\t\tlength = elements.length;\n\n\tfor ( ; index < length; index++ ) {\n\t\telem = elements[ index ];\n\t\tif ( !elem.style ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tvalues[ index ] = dataPriv.get( elem, \"olddisplay\" );\n\t\tdisplay = elem.style.display;\n\t\tif ( show ) {\n\n\t\t\t// Reset the inline display of this element to learn if it is\n\t\t\t// being hidden by cascaded rules or not\n\t\t\tif ( !values[ index ] && display === \"none\" ) {\n\t\t\t\telem.style.display = \"\";\n\t\t\t}\n\n\t\t\t// Set elements which have been overridden with display: none\n\t\t\t// in a stylesheet to whatever the default browser style is\n\t\t\t// for such an element\n\t\t\tif ( elem.style.display === \"\" && isHidden( elem ) ) {\n\t\t\t\tvalues[ index ] = dataPriv.access(\n\t\t\t\t\telem,\n\t\t\t\t\t\"olddisplay\",\n\t\t\t\t\tdefaultDisplay( elem.nodeName )\n\t\t\t\t);\n\t\t\t}\n\t\t} else {\n\t\t\thidden = isHidden( elem );\n\n\t\t\tif ( display !== \"none\" || !hidden ) {\n\t\t\t\tdataPriv.set(\n\t\t\t\t\telem,\n\t\t\t\t\t\"olddisplay\",\n\t\t\t\t\thidden ? display : jQuery.css( elem, \"display\" )\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t}\n\n\t// Set the display of most of the elements in a second loop\n\t// to avoid the constant reflow\n\tfor ( index = 0; index < length; index++ ) {\n\t\telem = elements[ index ];\n\t\tif ( !elem.style ) {\n\t\t\tcontinue;\n\t\t}\n\t\tif ( !show || elem.style.display === \"none\" || elem.style.display === \"\" ) {\n\t\t\telem.style.display = show ? values[ index ] || \"\" : \"none\";\n\t\t}\n\t}\n\n\treturn elements;\n}\n\njQuery.extend( {\n\n\t// Add in style property hooks for overriding the default\n\t// behavior of getting and setting a style property\n\tcssHooks: {\n\t\topacity: {\n\t\t\tget: function( elem, computed ) {\n\t\t\t\tif ( computed ) {\n\n\t\t\t\t\t// We should always get a number back from opacity\n\t\t\t\t\tvar ret = curCSS( elem, \"opacity\" );\n\t\t\t\t\treturn ret === \"\" ? \"1\" : ret;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t},\n\n\t// Don't automatically add \"px\" to these possibly-unitless properties\n\tcssNumber: {\n\t\t\"animationIterationCount\": true,\n\t\t\"columnCount\": true,\n\t\t\"fillOpacity\": true,\n\t\t\"flexGrow\": true,\n\t\t\"flexShrink\": true,\n\t\t\"fontWeight\": true,\n\t\t\"lineHeight\": true,\n\t\t\"opacity\": true,\n\t\t\"order\": true,\n\t\t\"orphans\": true,\n\t\t\"widows\": true,\n\t\t\"zIndex\": true,\n\t\t\"zoom\": true\n\t},\n\n\t// Add in properties whose names you wish to fix before\n\t// setting or getting the value\n\tcssProps: {\n\t\t\"float\": \"cssFloat\"\n\t},\n\n\t// Get and set the style property on a DOM Node\n\tstyle: function( elem, name, value, extra ) {\n\n\t\t// Don't set styles on text and comment nodes\n\t\tif ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Make sure that we're working with the right name\n\t\tvar ret, type, hooks,\n\t\t\torigName = jQuery.camelCase( name ),\n\t\t\tstyle = elem.style;\n\n\t\tname = jQuery.cssProps[ origName ] ||\n\t\t\t( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );\n\n\t\t// Gets hook for the prefixed version, then unprefixed version\n\t\thooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];\n\n\t\t// Check if we're setting a value\n\t\tif ( value !== undefined ) {\n\t\t\ttype = typeof value;\n\n\t\t\t// Convert \"+=\" or \"-=\" to relative numbers (#7345)\n\t\t\tif ( type === \"string\" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {\n\t\t\t\tvalue = adjustCSS( elem, name, ret );\n\n\t\t\t\t// Fixes bug #9237\n\t\t\t\ttype = \"number\";\n\t\t\t}\n\n\t\t\t// Make sure that null and NaN values aren't set (#7116)\n\t\t\tif ( value == null || value !== value ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// If a number was passed in, add the unit (except for certain CSS properties)\n\t\t\tif ( type === \"number\" ) {\n\t\t\t\tvalue += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? \"\" : \"px\" );\n\t\t\t}\n\n\t\t\t// Support: IE9-11+\n\t\t\t// background-* props affect original clone's values\n\t\t\tif ( !support.clearCloneStyle && value === \"\" && name.indexOf( \"background\" ) === 0 ) {\n\t\t\t\tstyle[ name ] = \"inherit\";\n\t\t\t}\n\n\t\t\t// If a hook was provided, use that value, otherwise just set the specified value\n\t\t\tif ( !hooks || !( \"set\" in hooks ) ||\n\t\t\t\t( value = hooks.set( elem, value, extra ) ) !== undefined ) {\n\n\t\t\t\tstyle[ name ] = value;\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// If a hook was provided get the non-computed value from there\n\t\t\tif ( hooks && \"get\" in hooks &&\n\t\t\t\t( ret = hooks.get( elem, false, extra ) ) !== undefined ) {\n\n\t\t\t\treturn ret;\n\t\t\t}\n\n\t\t\t// Otherwise just get the value from the style object\n\t\t\treturn style[ name ];\n\t\t}\n\t},\n\n\tcss: function( elem, name, extra, styles ) {\n\t\tvar val, num, hooks,\n\t\t\torigName = jQuery.camelCase( name );\n\n\t\t// Make sure that we're working with the right name\n\t\tname = jQuery.cssProps[ origName ] ||\n\t\t\t( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );\n\n\t\t// Try prefixed name followed by the unprefixed name\n\t\thooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];\n\n\t\t// If a hook was provided get the computed value from there\n\t\tif ( hooks && \"get\" in hooks ) {\n\t\t\tval = hooks.get( elem, true, extra );\n\t\t}\n\n\t\t// Otherwise, if a way to get the computed value exists, use that\n\t\tif ( val === undefined ) {\n\t\t\tval = curCSS( elem, name, styles );\n\t\t}\n\n\t\t// Convert \"normal\" to computed value\n\t\tif ( val === \"normal\" && name in cssNormalTransform ) {\n\t\t\tval = cssNormalTransform[ name ];\n\t\t}\n\n\t\t// Make numeric if forced or a qualifier was provided and val looks numeric\n\t\tif ( extra === \"\" || extra ) {\n\t\t\tnum = parseFloat( val );\n\t\t\treturn extra === true || isFinite( num ) ? num || 0 : val;\n\t\t}\n\t\treturn val;\n\t}\n} );\n\njQuery.each( [ \"height\", \"width\" ], function( i, name ) {\n\tjQuery.cssHooks[ name ] = {\n\t\tget: function( elem, computed, extra ) {\n\t\t\tif ( computed ) {\n\n\t\t\t\t// Certain elements can have dimension info if we invisibly show them\n\t\t\t\t// but it must have a current display style that would benefit\n\t\t\t\treturn rdisplayswap.test( jQuery.css( elem, \"display\" ) ) &&\n\t\t\t\t\telem.offsetWidth === 0 ?\n\t\t\t\t\t\tswap( elem, cssShow, function() {\n\t\t\t\t\t\t\treturn getWidthOrHeight( elem, name, extra );\n\t\t\t\t\t\t} ) :\n\t\t\t\t\t\tgetWidthOrHeight( elem, name, extra );\n\t\t\t}\n\t\t},\n\n\t\tset: function( elem, value, extra ) {\n\t\t\tvar matches,\n\t\t\t\tstyles = extra && getStyles( elem ),\n\t\t\t\tsubtract = extra && augmentWidthOrHeight(\n\t\t\t\t\telem,\n\t\t\t\t\tname,\n\t\t\t\t\textra,\n\t\t\t\t\tjQuery.css( elem, \"boxSizing\", false, styles ) === \"border-box\",\n\t\t\t\t\tstyles\n\t\t\t\t);\n\n\t\t\t// Convert to pixels if value adjustment is needed\n\t\t\tif ( subtract && ( matches = rcssNum.exec( value ) ) &&\n\t\t\t\t( matches[ 3 ] || \"px\" ) !== \"px\" ) {\n\n\t\t\t\telem.style[ name ] = value;\n\t\t\t\tvalue = jQuery.css( elem, name );\n\t\t\t}\n\n\t\t\treturn setPositiveNumber( elem, value, subtract );\n\t\t}\n\t};\n} );\n\njQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,\n\tfunction( elem, computed ) {\n\t\tif ( computed ) {\n\t\t\treturn ( parseFloat( curCSS( elem, \"marginLeft\" ) ) ||\n\t\t\t\telem.getBoundingClientRect().left -\n\t\t\t\t\tswap( elem, { marginLeft: 0 }, function() {\n\t\t\t\t\t\treturn elem.getBoundingClientRect().left;\n\t\t\t\t\t} )\n\t\t\t\t) + \"px\";\n\t\t}\n\t}\n);\n\n// Support: Android 2.3\njQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,\n\tfunction( elem, computed ) {\n\t\tif ( computed ) {\n\t\t\treturn swap( elem, { \"display\": \"inline-block\" },\n\t\t\t\tcurCSS, [ elem, \"marginRight\" ] );\n\t\t}\n\t}\n);\n\n// These hooks are used by animate to expand properties\njQuery.each( {\n\tmargin: \"\",\n\tpadding: \"\",\n\tborder: \"Width\"\n}, function( prefix, suffix ) {\n\tjQuery.cssHooks[ prefix + suffix ] = {\n\t\texpand: function( value ) {\n\t\t\tvar i = 0,\n\t\t\t\texpanded = {},\n\n\t\t\t\t// Assumes a single number if not a string\n\t\t\t\tparts = typeof value === \"string\" ? value.split( \" \" ) : [ value ];\n\n\t\t\tfor ( ; i < 4; i++ ) {\n\t\t\t\texpanded[ prefix + cssExpand[ i ] + suffix ] =\n\t\t\t\t\tparts[ i ] || parts[ i - 2 ] || parts[ 0 ];\n\t\t\t}\n\n\t\t\treturn expanded;\n\t\t}\n\t};\n\n\tif ( !rmargin.test( prefix ) ) {\n\t\tjQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;\n\t}\n} );\n\njQuery.fn.extend( {\n\tcss: function( name, value ) {\n\t\treturn access( this, function( elem, name, value ) {\n\t\t\tvar styles, len,\n\t\t\t\tmap = {},\n\t\t\t\ti = 0;\n\n\t\t\tif ( jQuery.isArray( name ) ) {\n\t\t\t\tstyles = getStyles( elem );\n\t\t\t\tlen = name.length;\n\n\t\t\t\tfor ( ; i < len; i++ ) {\n\t\t\t\t\tmap[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );\n\t\t\t\t}\n\n\t\t\t\treturn map;\n\t\t\t}\n\n\t\t\treturn value !== undefined ?\n\t\t\t\tjQuery.style( elem, name, value ) :\n\t\t\t\tjQuery.css( elem, name );\n\t\t}, name, value, arguments.length > 1 );\n\t},\n\tshow: function() {\n\t\treturn showHide( this, true );\n\t},\n\thide: function() {\n\t\treturn showHide( this );\n\t},\n\ttoggle: function( state ) {\n\t\tif ( typeof state === \"boolean\" ) {\n\t\t\treturn state ? this.show() : this.hide();\n\t\t}\n\n\t\treturn this.each( function() {\n\t\t\tif ( isHidden( this ) ) {\n\t\t\t\tjQuery( this ).show();\n\t\t\t} else {\n\t\t\t\tjQuery( this ).hide();\n\t\t\t}\n\t\t} );\n\t}\n} );\n\n\nfunction Tween( elem, options, prop, end, easing ) {\n\treturn new Tween.prototype.init( elem, options, prop, end, easing );\n}\njQuery.Tween = Tween;\n\nTween.prototype = {\n\tconstructor: Tween,\n\tinit: function( elem, options, prop, end, easing, unit ) {\n\t\tthis.elem = elem;\n\t\tthis.prop = prop;\n\t\tthis.easing = easing || jQuery.easing._default;\n\t\tthis.options = options;\n\t\tthis.start = this.now = this.cur();\n\t\tthis.end = end;\n\t\tthis.unit = unit || ( jQuery.cssNumber[ prop ] ? \"\" : \"px\" );\n\t},\n\tcur: function() {\n\t\tvar hooks = Tween.propHooks[ this.prop ];\n\n\t\treturn hooks && hooks.get ?\n\t\t\thooks.get( this ) :\n\t\t\tTween.propHooks._default.get( this );\n\t},\n\trun: function( percent ) {\n\t\tvar eased,\n\t\t\thooks = Tween.propHooks[ this.prop ];\n\n\t\tif ( this.options.duration ) {\n\t\t\tthis.pos = eased = jQuery.easing[ this.easing ](\n\t\t\t\tpercent, this.options.duration * percent, 0, 1, this.options.duration\n\t\t\t);\n\t\t} else {\n\t\t\tthis.pos = eased = percent;\n\t\t}\n\t\tthis.now = ( this.end - this.start ) * eased + this.start;\n\n\t\tif ( this.options.step ) {\n\t\t\tthis.options.step.call( this.elem, this.now, this );\n\t\t}\n\n\t\tif ( hooks && hooks.set ) {\n\t\t\thooks.set( this );\n\t\t} else {\n\t\t\tTween.propHooks._default.set( this );\n\t\t}\n\t\treturn this;\n\t}\n};\n\nTween.prototype.init.prototype = Tween.prototype;\n\nTween.propHooks = {\n\t_default: {\n\t\tget: function( tween ) {\n\t\t\tvar result;\n\n\t\t\t// Use a property on the element directly when it is not a DOM element,\n\t\t\t// or when there is no matching style property that exists.\n\t\t\tif ( tween.elem.nodeType !== 1 ||\n\t\t\t\ttween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {\n\t\t\t\treturn tween.elem[ tween.prop ];\n\t\t\t}\n\n\t\t\t// Passing an empty string as a 3rd parameter to .css will automatically\n\t\t\t// attempt a parseFloat and fallback to a string if the parse fails.\n\t\t\t// Simple values such as \"10px\" are parsed to Float;\n\t\t\t// complex values such as \"rotate(1rad)\" are returned as-is.\n\t\t\tresult = jQuery.css( tween.elem, tween.prop, \"\" );\n\n\t\t\t// Empty strings, null, undefined and \"auto\" are converted to 0.\n\t\t\treturn !result || result === \"auto\" ? 0 : result;\n\t\t},\n\t\tset: function( tween ) {\n\n\t\t\t// Use step hook for back compat.\n\t\t\t// Use cssHook if its there.\n\t\t\t// Use .style if available and use plain properties where available.\n\t\t\tif ( jQuery.fx.step[ tween.prop ] ) {\n\t\t\t\tjQuery.fx.step[ tween.prop ]( tween );\n\t\t\t} else if ( tween.elem.nodeType === 1 &&\n\t\t\t\t( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null ||\n\t\t\t\t\tjQuery.cssHooks[ tween.prop ] ) ) {\n\t\t\t\tjQuery.style( tween.elem, tween.prop, tween.now + tween.unit );\n\t\t\t} else {\n\t\t\t\ttween.elem[ tween.prop ] = tween.now;\n\t\t\t}\n\t\t}\n\t}\n};\n\n// Support: IE9\n// Panic based approach to setting things on disconnected nodes\nTween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {\n\tset: function( tween ) {\n\t\tif ( tween.elem.nodeType && tween.elem.parentNode ) {\n\t\t\ttween.elem[ tween.prop ] = tween.now;\n\t\t}\n\t}\n};\n\njQuery.easing = {\n\tlinear: function( p ) {\n\t\treturn p;\n\t},\n\tswing: function( p ) {\n\t\treturn 0.5 - Math.cos( p * Math.PI ) / 2;\n\t},\n\t_default: \"swing\"\n};\n\njQuery.fx = Tween.prototype.init;\n\n// Back Compat <1.8 extension point\njQuery.fx.step = {};\n\n\n\n\nvar\n\tfxNow, timerId,\n\trfxtypes = /^(?:toggle|show|hide)$/,\n\trrun = /queueHooks$/;\n\n// Animations created synchronously will run synchronously\nfunction createFxNow() {\n\twindow.setTimeout( function() {\n\t\tfxNow = undefined;\n\t} );\n\treturn ( fxNow = jQuery.now() );\n}\n\n// Generate parameters to create a standard animation\nfunction genFx( type, includeWidth ) {\n\tvar which,\n\t\ti = 0,\n\t\tattrs = { height: type };\n\n\t// If we include width, step value is 1 to do all cssExpand values,\n\t// otherwise step value is 2 to skip over Left and Right\n\tincludeWidth = includeWidth ? 1 : 0;\n\tfor ( ; i < 4 ; i += 2 - includeWidth ) {\n\t\twhich = cssExpand[ i ];\n\t\tattrs[ \"margin\" + which ] = attrs[ \"padding\" + which ] = type;\n\t}\n\n\tif ( includeWidth ) {\n\t\tattrs.opacity = attrs.width = type;\n\t}\n\n\treturn attrs;\n}\n\nfunction createTween( value, prop, animation ) {\n\tvar tween,\n\t\tcollection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ \"*\" ] ),\n\t\tindex = 0,\n\t\tlength = collection.length;\n\tfor ( ; index < length; index++ ) {\n\t\tif ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {\n\n\t\t\t// We're done with this property\n\t\t\treturn tween;\n\t\t}\n\t}\n}\n\nfunction defaultPrefilter( elem, props, opts ) {\n\t/* jshint validthis: true */\n\tvar prop, value, toggle, tween, hooks, oldfire, display, checkDisplay,\n\t\tanim = this,\n\t\torig = {},\n\t\tstyle = elem.style,\n\t\thidden = elem.nodeType && isHidden( elem ),\n\t\tdataShow = dataPriv.get( elem, \"fxshow\" );\n\n\t// Handle queue: false promises\n\tif ( !opts.queue ) {\n\t\thooks = jQuery._queueHooks( elem, \"fx\" );\n\t\tif ( hooks.unqueued == null ) {\n\t\t\thooks.unqueued = 0;\n\t\t\toldfire = hooks.empty.fire;\n\t\t\thooks.empty.fire = function() {\n\t\t\t\tif ( !hooks.unqueued ) {\n\t\t\t\t\toldfire();\n\t\t\t\t}\n\t\t\t};\n\t\t}\n\t\thooks.unqueued++;\n\n\t\tanim.always( function() {\n\n\t\t\t// Ensure the complete handler is called before this completes\n\t\t\tanim.always( function() {\n\t\t\t\thooks.unqueued--;\n\t\t\t\tif ( !jQuery.queue( elem, \"fx\" ).length ) {\n\t\t\t\t\thooks.empty.fire();\n\t\t\t\t}\n\t\t\t} );\n\t\t} );\n\t}\n\n\t// Height/width overflow pass\n\tif ( elem.nodeType === 1 && ( \"height\" in props || \"width\" in props ) ) {\n\n\t\t// Make sure that nothing sneaks out\n\t\t// Record all 3 overflow attributes because IE9-10 do not\n\t\t// change the overflow attribute when overflowX and\n\t\t// overflowY are set to the same value\n\t\topts.overflow = [ style.overflow, style.overflowX, style.overflowY ];\n\n\t\t// Set display property to inline-block for height/width\n\t\t// animations on inline elements that are having width/height animated\n\t\tdisplay = jQuery.css( elem, \"display\" );\n\n\t\t// Test default display if display is currently \"none\"\n\t\tcheckDisplay = display === \"none\" ?\n\t\t\tdataPriv.get( elem, \"olddisplay\" ) || defaultDisplay( elem.nodeName ) : display;\n\n\t\tif ( checkDisplay === \"inline\" && jQuery.css( elem, \"float\" ) === \"none\" ) {\n\t\t\tstyle.display = \"inline-block\";\n\t\t}\n\t}\n\n\tif ( opts.overflow ) {\n\t\tstyle.overflow = \"hidden\";\n\t\tanim.always( function() {\n\t\t\tstyle.overflow = opts.overflow[ 0 ];\n\t\t\tstyle.overflowX = opts.overflow[ 1 ];\n\t\t\tstyle.overflowY = opts.overflow[ 2 ];\n\t\t} );\n\t}\n\n\t// show/hide pass\n\tfor ( prop in props ) {\n\t\tvalue = props[ prop ];\n\t\tif ( rfxtypes.exec( value ) ) {\n\t\t\tdelete props[ prop ];\n\t\t\ttoggle = toggle || value === \"toggle\";\n\t\t\tif ( value === ( hidden ? \"hide\" : \"show\" ) ) {\n\n\t\t\t\t// If there is dataShow left over from a stopped hide or show\n\t\t\t\t// and we are going to proceed with show, we should pretend to be hidden\n\t\t\t\tif ( value === \"show\" && dataShow && dataShow[ prop ] !== undefined ) {\n\t\t\t\t\thidden = true;\n\t\t\t\t} else {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t}\n\t\t\torig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );\n\n\t\t// Any non-fx value stops us from restoring the original display value\n\t\t} else {\n\t\t\tdisplay = undefined;\n\t\t}\n\t}\n\n\tif ( !jQuery.isEmptyObject( orig ) ) {\n\t\tif ( dataShow ) {\n\t\t\tif ( \"hidden\" in dataShow ) {\n\t\t\t\thidden = dataShow.hidden;\n\t\t\t}\n\t\t} else {\n\t\t\tdataShow = dataPriv.access( elem, \"fxshow\", {} );\n\t\t}\n\n\t\t// Store state if its toggle - enables .stop().toggle() to \"reverse\"\n\t\tif ( toggle ) {\n\t\t\tdataShow.hidden = !hidden;\n\t\t}\n\t\tif ( hidden ) {\n\t\t\tjQuery( elem ).show();\n\t\t} else {\n\t\t\tanim.done( function() {\n\t\t\t\tjQuery( elem ).hide();\n\t\t\t} );\n\t\t}\n\t\tanim.done( function() {\n\t\t\tvar prop;\n\n\t\t\tdataPriv.remove( elem, \"fxshow\" );\n\t\t\tfor ( prop in orig ) {\n\t\t\t\tjQuery.style( elem, prop, orig[ prop ] );\n\t\t\t}\n\t\t} );\n\t\tfor ( prop in orig ) {\n\t\t\ttween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );\n\n\t\t\tif ( !( prop in dataShow ) ) {\n\t\t\t\tdataShow[ prop ] = tween.start;\n\t\t\t\tif ( hidden ) {\n\t\t\t\t\ttween.end = tween.start;\n\t\t\t\t\ttween.start = prop === \"width\" || prop === \"height\" ? 1 : 0;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t// If this is a noop like .hide().hide(), restore an overwritten display value\n\t} else if ( ( display === \"none\" ? defaultDisplay( elem.nodeName ) : display ) === \"inline\" ) {\n\t\tstyle.display = display;\n\t}\n}\n\nfunction propFilter( props, specialEasing ) {\n\tvar index, name, easing, value, hooks;\n\n\t// camelCase, specialEasing and expand cssHook pass\n\tfor ( index in props ) {\n\t\tname = jQuery.camelCase( index );\n\t\teasing = specialEasing[ name ];\n\t\tvalue = props[ index ];\n\t\tif ( jQuery.isArray( value ) ) {\n\t\t\teasing = value[ 1 ];\n\t\t\tvalue = props[ index ] = value[ 0 ];\n\t\t}\n\n\t\tif ( index !== name ) {\n\t\t\tprops[ name ] = value;\n\t\t\tdelete props[ index ];\n\t\t}\n\n\t\thooks = jQuery.cssHooks[ name ];\n\t\tif ( hooks && \"expand\" in hooks ) {\n\t\t\tvalue = hooks.expand( value );\n\t\t\tdelete props[ name ];\n\n\t\t\t// Not quite $.extend, this won't overwrite existing keys.\n\t\t\t// Reusing 'index' because we have the correct \"name\"\n\t\t\tfor ( index in value ) {\n\t\t\t\tif ( !( index in props ) ) {\n\t\t\t\t\tprops[ index ] = value[ index ];\n\t\t\t\t\tspecialEasing[ index ] = easing;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tspecialEasing[ name ] = easing;\n\t\t}\n\t}\n}\n\nfunction Animation( elem, properties, options ) {\n\tvar result,\n\t\tstopped,\n\t\tindex = 0,\n\t\tlength = Animation.prefilters.length,\n\t\tdeferred = jQuery.Deferred().always( function() {\n\n\t\t\t// Don't match elem in the :animated selector\n\t\t\tdelete tick.elem;\n\t\t} ),\n\t\ttick = function() {\n\t\t\tif ( stopped ) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t\tvar currentTime = fxNow || createFxNow(),\n\t\t\t\tremaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),\n\n\t\t\t\t// Support: Android 2.3\n\t\t\t\t// Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)\n\t\t\t\ttemp = remaining / animation.duration || 0,\n\t\t\t\tpercent = 1 - temp,\n\t\t\t\tindex = 0,\n\t\t\t\tlength = animation.tweens.length;\n\n\t\t\tfor ( ; index < length ; index++ ) {\n\t\t\t\tanimation.tweens[ index ].run( percent );\n\t\t\t}\n\n\t\t\tdeferred.notifyWith( elem, [ animation, percent, remaining ] );\n\n\t\t\tif ( percent < 1 && length ) {\n\t\t\t\treturn remaining;\n\t\t\t} else {\n\t\t\t\tdeferred.resolveWith( elem, [ animation ] );\n\t\t\t\treturn false;\n\t\t\t}\n\t\t},\n\t\tanimation = deferred.promise( {\n\t\t\telem: elem,\n\t\t\tprops: jQuery.extend( {}, properties ),\n\t\t\topts: jQuery.extend( true, {\n\t\t\t\tspecialEasing: {},\n\t\t\t\teasing: jQuery.easing._default\n\t\t\t}, options ),\n\t\t\toriginalProperties: properties,\n\t\t\toriginalOptions: options,\n\t\t\tstartTime: fxNow || createFxNow(),\n\t\t\tduration: options.duration,\n\t\t\ttweens: [],\n\t\t\tcreateTween: function( prop, end ) {\n\t\t\t\tvar tween = jQuery.Tween( elem, animation.opts, prop, end,\n\t\t\t\t\t\tanimation.opts.specialEasing[ prop ] || animation.opts.easing );\n\t\t\t\tanimation.tweens.push( tween );\n\t\t\t\treturn tween;\n\t\t\t},\n\t\t\tstop: function( gotoEnd ) {\n\t\t\t\tvar index = 0,\n\n\t\t\t\t\t// If we are going to the end, we want to run all the tweens\n\t\t\t\t\t// otherwise we skip this part\n\t\t\t\t\tlength = gotoEnd ? animation.tweens.length : 0;\n\t\t\t\tif ( stopped ) {\n\t\t\t\t\treturn this;\n\t\t\t\t}\n\t\t\t\tstopped = true;\n\t\t\t\tfor ( ; index < length ; index++ ) {\n\t\t\t\t\tanimation.tweens[ index ].run( 1 );\n\t\t\t\t}\n\n\t\t\t\t// Resolve when we played the last frame; otherwise, reject\n\t\t\t\tif ( gotoEnd ) {\n\t\t\t\t\tdeferred.notifyWith( elem, [ animation, 1, 0 ] );\n\t\t\t\t\tdeferred.resolveWith( elem, [ animation, gotoEnd ] );\n\t\t\t\t} else {\n\t\t\t\t\tdeferred.rejectWith( elem, [ animation, gotoEnd ] );\n\t\t\t\t}\n\t\t\t\treturn this;\n\t\t\t}\n\t\t} ),\n\t\tprops = animation.props;\n\n\tpropFilter( props, animation.opts.specialEasing );\n\n\tfor ( ; index < length ; index++ ) {\n\t\tresult = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );\n\t\tif ( result ) {\n\t\t\tif ( jQuery.isFunction( result.stop ) ) {\n\t\t\t\tjQuery._queueHooks( animation.elem, animation.opts.queue ).stop =\n\t\t\t\t\tjQuery.proxy( result.stop, result );\n\t\t\t}\n\t\t\treturn result;\n\t\t}\n\t}\n\n\tjQuery.map( props, createTween, animation );\n\n\tif ( jQuery.isFunction( animation.opts.start ) ) {\n\t\tanimation.opts.start.call( elem, animation );\n\t}\n\n\tjQuery.fx.timer(\n\t\tjQuery.extend( tick, {\n\t\t\telem: elem,\n\t\t\tanim: animation,\n\t\t\tqueue: animation.opts.queue\n\t\t} )\n\t);\n\n\t// attach callbacks from options\n\treturn animation.progress( animation.opts.progress )\n\t\t.done( animation.opts.done, animation.opts.complete )\n\t\t.fail( animation.opts.fail )\n\t\t.always( animation.opts.always );\n}\n\njQuery.Animation = jQuery.extend( Animation, {\n\ttweeners: {\n\t\t\"*\": [ function( prop, value ) {\n\t\t\tvar tween = this.createTween( prop, value );\n\t\t\tadjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );\n\t\t\treturn tween;\n\t\t} ]\n\t},\n\n\ttweener: function( props, callback ) {\n\t\tif ( jQuery.isFunction( props ) ) {\n\t\t\tcallback = props;\n\t\t\tprops = [ \"*\" ];\n\t\t} else {\n\t\t\tprops = props.match( rnotwhite );\n\t\t}\n\n\t\tvar prop,\n\t\t\tindex = 0,\n\t\t\tlength = props.length;\n\n\t\tfor ( ; index < length ; index++ ) {\n\t\t\tprop = props[ index ];\n\t\t\tAnimation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];\n\t\t\tAnimation.tweeners[ prop ].unshift( callback );\n\t\t}\n\t},\n\n\tprefilters: [ defaultPrefilter ],\n\n\tprefilter: function( callback, prepend ) {\n\t\tif ( prepend ) {\n\t\t\tAnimation.prefilters.unshift( callback );\n\t\t} else {\n\t\t\tAnimation.prefilters.push( callback );\n\t\t}\n\t}\n} );\n\njQuery.speed = function( speed, easing, fn ) {\n\tvar opt = speed && typeof speed === \"object\" ? jQuery.extend( {}, speed ) : {\n\t\tcomplete: fn || !fn && easing ||\n\t\t\tjQuery.isFunction( speed ) && speed,\n\t\tduration: speed,\n\t\teasing: fn && easing || easing && !jQuery.isFunction( easing ) && easing\n\t};\n\n\topt.duration = jQuery.fx.off ? 0 : typeof opt.duration === \"number\" ?\n\t\topt.duration : opt.duration in jQuery.fx.speeds ?\n\t\t\tjQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;\n\n\t// Normalize opt.queue - true/undefined/null -> \"fx\"\n\tif ( opt.queue == null || opt.queue === true ) {\n\t\topt.queue = \"fx\";\n\t}\n\n\t// Queueing\n\topt.old = opt.complete;\n\n\topt.complete = function() {\n\t\tif ( jQuery.isFunction( opt.old ) ) {\n\t\t\topt.old.call( this );\n\t\t}\n\n\t\tif ( opt.queue ) {\n\t\t\tjQuery.dequeue( this, opt.queue );\n\t\t}\n\t};\n\n\treturn opt;\n};\n\njQuery.fn.extend( {\n\tfadeTo: function( speed, to, easing, callback ) {\n\n\t\t// Show any hidden elements after setting opacity to 0\n\t\treturn this.filter( isHidden ).css( \"opacity\", 0 ).show()\n\n\t\t\t// Animate to the value specified\n\t\t\t.end().animate( { opacity: to }, speed, easing, callback );\n\t},\n\tanimate: function( prop, speed, easing, callback ) {\n\t\tvar empty = jQuery.isEmptyObject( prop ),\n\t\t\toptall = jQuery.speed( speed, easing, callback ),\n\t\t\tdoAnimation = function() {\n\n\t\t\t\t// Operate on a copy of prop so per-property easing won't be lost\n\t\t\t\tvar anim = Animation( this, jQuery.extend( {}, prop ), optall );\n\n\t\t\t\t// Empty animations, or finishing resolves immediately\n\t\t\t\tif ( empty || dataPriv.get( this, \"finish\" ) ) {\n\t\t\t\t\tanim.stop( true );\n\t\t\t\t}\n\t\t\t};\n\t\t\tdoAnimation.finish = doAnimation;\n\n\t\treturn empty || optall.queue === false ?\n\t\t\tthis.each( doAnimation ) :\n\t\t\tthis.queue( optall.queue, doAnimation );\n\t},\n\tstop: function( type, clearQueue, gotoEnd ) {\n\t\tvar stopQueue = function( hooks ) {\n\t\t\tvar stop = hooks.stop;\n\t\t\tdelete hooks.stop;\n\t\t\tstop( gotoEnd );\n\t\t};\n\n\t\tif ( typeof type !== \"string\" ) {\n\t\t\tgotoEnd = clearQueue;\n\t\t\tclearQueue = type;\n\t\t\ttype = undefined;\n\t\t}\n\t\tif ( clearQueue && type !== false ) {\n\t\t\tthis.queue( type || \"fx\", [] );\n\t\t}\n\n\t\treturn this.each( function() {\n\t\t\tvar dequeue = true,\n\t\t\t\tindex = type != null && type + \"queueHooks\",\n\t\t\t\ttimers = jQuery.timers,\n\t\t\t\tdata = dataPriv.get( this );\n\n\t\t\tif ( index ) {\n\t\t\t\tif ( data[ index ] && data[ index ].stop ) {\n\t\t\t\t\tstopQueue( data[ index ] );\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tfor ( index in data ) {\n\t\t\t\t\tif ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {\n\t\t\t\t\t\tstopQueue( data[ index ] );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tfor ( index = timers.length; index--; ) {\n\t\t\t\tif ( timers[ index ].elem === this &&\n\t\t\t\t\t( type == null || timers[ index ].queue === type ) ) {\n\n\t\t\t\t\ttimers[ index ].anim.stop( gotoEnd );\n\t\t\t\t\tdequeue = false;\n\t\t\t\t\ttimers.splice( index, 1 );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Start the next in the queue if the last step wasn't forced.\n\t\t\t// Timers currently will call their complete callbacks, which\n\t\t\t// will dequeue but only if they were gotoEnd.\n\t\t\tif ( dequeue || !gotoEnd ) {\n\t\t\t\tjQuery.dequeue( this, type );\n\t\t\t}\n\t\t} );\n\t},\n\tfinish: function( type ) {\n\t\tif ( type !== false ) {\n\t\t\ttype = type || \"fx\";\n\t\t}\n\t\treturn this.each( function() {\n\t\t\tvar index,\n\t\t\t\tdata = dataPriv.get( this ),\n\t\t\t\tqueue = data[ type + \"queue\" ],\n\t\t\t\thooks = data[ type + \"queueHooks\" ],\n\t\t\t\ttimers = jQuery.timers,\n\t\t\t\tlength = queue ? queue.length : 0;\n\n\t\t\t// Enable finishing flag on private data\n\t\t\tdata.finish = true;\n\n\t\t\t// Empty the queue first\n\t\t\tjQuery.queue( this, type, [] );\n\n\t\t\tif ( hooks && hooks.stop ) {\n\t\t\t\thooks.stop.call( this, true );\n\t\t\t}\n\n\t\t\t// Look for any active animations, and finish them\n\t\t\tfor ( index = timers.length; index--; ) {\n\t\t\t\tif ( timers[ index ].elem === this && timers[ index ].queue === type ) {\n\t\t\t\t\ttimers[ index ].anim.stop( true );\n\t\t\t\t\ttimers.splice( index, 1 );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Look for any animations in the old queue and finish them\n\t\t\tfor ( index = 0; index < length; index++ ) {\n\t\t\t\tif ( queue[ index ] && queue[ index ].finish ) {\n\t\t\t\t\tqueue[ index ].finish.call( this );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Turn off finishing flag\n\t\t\tdelete data.finish;\n\t\t} );\n\t}\n} );\n\njQuery.each( [ \"toggle\", \"show\", \"hide\" ], function( i, name ) {\n\tvar cssFn = jQuery.fn[ name ];\n\tjQuery.fn[ name ] = function( speed, easing, callback ) {\n\t\treturn speed == null || typeof speed === \"boolean\" ?\n\t\t\tcssFn.apply( this, arguments ) :\n\t\t\tthis.animate( genFx( name, true ), speed, easing, callback );\n\t};\n} );\n\n// Generate shortcuts for custom animations\njQuery.each( {\n\tslideDown: genFx( \"show\" ),\n\tslideUp: genFx( \"hide\" ),\n\tslideToggle: genFx( \"toggle\" ),\n\tfadeIn: { opacity: \"show\" },\n\tfadeOut: { opacity: \"hide\" },\n\tfadeToggle: { opacity: \"toggle\" }\n}, function( name, props ) {\n\tjQuery.fn[ name ] = function( speed, easing, callback ) {\n\t\treturn this.animate( props, speed, easing, callback );\n\t};\n} );\n\njQuery.timers = [];\njQuery.fx.tick = function() {\n\tvar timer,\n\t\ti = 0,\n\t\ttimers = jQuery.timers;\n\n\tfxNow = jQuery.now();\n\n\tfor ( ; i < timers.length; i++ ) {\n\t\ttimer = timers[ i ];\n\n\t\t// Checks the timer has not already been removed\n\t\tif ( !timer() && timers[ i ] === timer ) {\n\t\t\ttimers.splice( i--, 1 );\n\t\t}\n\t}\n\n\tif ( !timers.length ) {\n\t\tjQuery.fx.stop();\n\t}\n\tfxNow = undefined;\n};\n\njQuery.fx.timer = function( timer ) {\n\tjQuery.timers.push( timer );\n\tif ( timer() ) {\n\t\tjQuery.fx.start();\n\t} else {\n\t\tjQuery.timers.pop();\n\t}\n};\n\njQuery.fx.interval = 13;\njQuery.fx.start = function() {\n\tif ( !timerId ) {\n\t\ttimerId = window.setInterval( jQuery.fx.tick, jQuery.fx.interval );\n\t}\n};\n\njQuery.fx.stop = function() {\n\twindow.clearInterval( timerId );\n\n\ttimerId = null;\n};\n\njQuery.fx.speeds = {\n\tslow: 600,\n\tfast: 200,\n\n\t// Default speed\n\t_default: 400\n};\n\n\n// Based off of the plugin by Clint Helfers, with permission.\n// http://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/\njQuery.fn.delay = function( time, type ) {\n\ttime = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;\n\ttype = type || \"fx\";\n\n\treturn this.queue( type, function( next, hooks ) {\n\t\tvar timeout = window.setTimeout( next, time );\n\t\thooks.stop = function() {\n\t\t\twindow.clearTimeout( timeout );\n\t\t};\n\t} );\n};\n\n\n( function() {\n\tvar input = document.createElement( \"input\" ),\n\t\tselect = document.createElement( \"select\" ),\n\t\topt = select.appendChild( document.createElement( \"option\" ) );\n\n\tinput.type = \"checkbox\";\n\n\t// Support: iOS<=5.1, Android<=4.2+\n\t// Default value for a checkbox should be \"on\"\n\tsupport.checkOn = input.value !== \"\";\n\n\t// Support: IE<=11+\n\t// Must access selectedIndex to make default options select\n\tsupport.optSelected = opt.selected;\n\n\t// Support: Android<=2.3\n\t// Options inside disabled selects are incorrectly marked as disabled\n\tselect.disabled = true;\n\tsupport.optDisabled = !opt.disabled;\n\n\t// Support: IE<=11+\n\t// An input loses its value after becoming a radio\n\tinput = document.createElement( \"input\" );\n\tinput.value = \"t\";\n\tinput.type = \"radio\";\n\tsupport.radioValue = input.value === \"t\";\n} )();\n\n\nvar boolHook,\n\tattrHandle = jQuery.expr.attrHandle;\n\njQuery.fn.extend( {\n\tattr: function( name, value ) {\n\t\treturn access( this, jQuery.attr, name, value, arguments.length > 1 );\n\t},\n\n\tremoveAttr: function( name ) {\n\t\treturn this.each( function() {\n\t\t\tjQuery.removeAttr( this, name );\n\t\t} );\n\t}\n} );\n\njQuery.extend( {\n\tattr: function( elem, name, value ) {\n\t\tvar ret, hooks,\n\t\t\tnType = elem.nodeType;\n\n\t\t// Don't get/set attributes on text, comment and attribute nodes\n\t\tif ( nType === 3 || nType === 8 || nType === 2 ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Fallback to prop when attributes are not supported\n\t\tif ( typeof elem.getAttribute === \"undefined\" ) {\n\t\t\treturn jQuery.prop( elem, name, value );\n\t\t}\n\n\t\t// All attributes are lowercase\n\t\t// Grab necessary hook if one is defined\n\t\tif ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {\n\t\t\tname = name.toLowerCase();\n\t\t\thooks = jQuery.attrHooks[ name ] ||\n\t\t\t\t( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );\n\t\t}\n\n\t\tif ( value !== undefined ) {\n\t\t\tif ( value === null ) {\n\t\t\t\tjQuery.removeAttr( elem, name );\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( hooks && \"set\" in hooks &&\n\t\t\t\t( ret = hooks.set( elem, value, name ) ) !== undefined ) {\n\t\t\t\treturn ret;\n\t\t\t}\n\n\t\t\telem.setAttribute( name, value + \"\" );\n\t\t\treturn value;\n\t\t}\n\n\t\tif ( hooks && \"get\" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {\n\t\t\treturn ret;\n\t\t}\n\n\t\tret = jQuery.find.attr( elem, name );\n\n\t\t// Non-existent attributes return null, we normalize to undefined\n\t\treturn ret == null ? undefined : ret;\n\t},\n\n\tattrHooks: {\n\t\ttype: {\n\t\t\tset: function( elem, value ) {\n\t\t\t\tif ( !support.radioValue && value === \"radio\" &&\n\t\t\t\t\tjQuery.nodeName( elem, \"input\" ) ) {\n\t\t\t\t\tvar val = elem.value;\n\t\t\t\t\telem.setAttribute( \"type\", value );\n\t\t\t\t\tif ( val ) {\n\t\t\t\t\t\telem.value = val;\n\t\t\t\t\t}\n\t\t\t\t\treturn value;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t},\n\n\tremoveAttr: function( elem, value ) {\n\t\tvar name, propName,\n\t\t\ti = 0,\n\t\t\tattrNames = value && value.match( rnotwhite );\n\n\t\tif ( attrNames && elem.nodeType === 1 ) {\n\t\t\twhile ( ( name = attrNames[ i++ ] ) ) {\n\t\t\t\tpropName = jQuery.propFix[ name ] || name;\n\n\t\t\t\t// Boolean attributes get special treatment (#10870)\n\t\t\t\tif ( jQuery.expr.match.bool.test( name ) ) {\n\n\t\t\t\t\t// Set corresponding property to false\n\t\t\t\t\telem[ propName ] = false;\n\t\t\t\t}\n\n\t\t\t\telem.removeAttribute( name );\n\t\t\t}\n\t\t}\n\t}\n} );\n\n// Hooks for boolean attributes\nboolHook = {\n\tset: function( elem, value, name ) {\n\t\tif ( value === false ) {\n\n\t\t\t// Remove boolean attributes when set to false\n\t\t\tjQuery.removeAttr( elem, name );\n\t\t} else {\n\t\t\telem.setAttribute( name, name );\n\t\t}\n\t\treturn name;\n\t}\n};\njQuery.each( jQuery.expr.match.bool.source.match( /\\w+/g ), function( i, name ) {\n\tvar getter = attrHandle[ name ] || jQuery.find.attr;\n\n\tattrHandle[ name ] = function( elem, name, isXML ) {\n\t\tvar ret, handle;\n\t\tif ( !isXML ) {\n\n\t\t\t// Avoid an infinite loop by temporarily removing this function from the getter\n\t\t\thandle = attrHandle[ name ];\n\t\t\tattrHandle[ name ] = ret;\n\t\t\tret = getter( elem, name, isXML ) != null ?\n\t\t\t\tname.toLowerCase() :\n\t\t\t\tnull;\n\t\t\tattrHandle[ name ] = handle;\n\t\t}\n\t\treturn ret;\n\t};\n} );\n\n\n\n\nvar rfocusable = /^(?:input|select|textarea|button)$/i,\n\trclickable = /^(?:a|area)$/i;\n\njQuery.fn.extend( {\n\tprop: function( name, value ) {\n\t\treturn access( this, jQuery.prop, name, value, arguments.length > 1 );\n\t},\n\n\tremoveProp: function( name ) {\n\t\treturn this.each( function() {\n\t\t\tdelete this[ jQuery.propFix[ name ] || name ];\n\t\t} );\n\t}\n} );\n\njQuery.extend( {\n\tprop: function( elem, name, value ) {\n\t\tvar ret, hooks,\n\t\t\tnType = elem.nodeType;\n\n\t\t// Don't get/set properties on text, comment and attribute nodes\n\t\tif ( nType === 3 || nType === 8 || nType === 2 ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {\n\n\t\t\t// Fix name and attach hooks\n\t\t\tname = jQuery.propFix[ name ] || name;\n\t\t\thooks = jQuery.propHooks[ name ];\n\t\t}\n\n\t\tif ( value !== undefined ) {\n\t\t\tif ( hooks && \"set\" in hooks &&\n\t\t\t\t( ret = hooks.set( elem, value, name ) ) !== undefined ) {\n\t\t\t\treturn ret;\n\t\t\t}\n\n\t\t\treturn ( elem[ name ] = value );\n\t\t}\n\n\t\tif ( hooks && \"get\" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {\n\t\t\treturn ret;\n\t\t}\n\n\t\treturn elem[ name ];\n\t},\n\n\tpropHooks: {\n\t\ttabIndex: {\n\t\t\tget: function( elem ) {\n\n\t\t\t\t// elem.tabIndex doesn't always return the\n\t\t\t\t// correct value when it hasn't been explicitly set\n\t\t\t\t// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/\n\t\t\t\t// Use proper attribute retrieval(#12072)\n\t\t\t\tvar tabindex = jQuery.find.attr( elem, \"tabindex\" );\n\n\t\t\t\treturn tabindex ?\n\t\t\t\t\tparseInt( tabindex, 10 ) :\n\t\t\t\t\trfocusable.test( elem.nodeName ) ||\n\t\t\t\t\t\trclickable.test( elem.nodeName ) && elem.href ?\n\t\t\t\t\t\t\t0 :\n\t\t\t\t\t\t\t-1;\n\t\t\t}\n\t\t}\n\t},\n\n\tpropFix: {\n\t\t\"for\": \"htmlFor\",\n\t\t\"class\": \"className\"\n\t}\n} );\n\nif ( !support.optSelected ) {\n\tjQuery.propHooks.selected = {\n\t\tget: function( elem ) {\n\t\t\tvar parent = elem.parentNode;\n\t\t\tif ( parent && parent.parentNode ) {\n\t\t\t\tparent.parentNode.selectedIndex;\n\t\t\t}\n\t\t\treturn null;\n\t\t}\n\t};\n}\n\njQuery.each( [\n\t\"tabIndex\",\n\t\"readOnly\",\n\t\"maxLength\",\n\t\"cellSpacing\",\n\t\"cellPadding\",\n\t\"rowSpan\",\n\t\"colSpan\",\n\t\"useMap\",\n\t\"frameBorder\",\n\t\"contentEditable\"\n], function() {\n\tjQuery.propFix[ this.toLowerCase() ] = this;\n} );\n\n\n\n\nvar rclass = /[\\t\\r\\n\\f]/g;\n\nfunction getClass( elem ) {\n\treturn elem.getAttribute && elem.getAttribute( \"class\" ) || \"\";\n}\n\njQuery.fn.extend( {\n\taddClass: function( value ) {\n\t\tvar classes, elem, cur, curValue, clazz, j, finalValue,\n\t\t\ti = 0;\n\n\t\tif ( jQuery.isFunction( value ) ) {\n\t\t\treturn this.each( function( j ) {\n\t\t\t\tjQuery( this ).addClass( value.call( this, j, getClass( this ) ) );\n\t\t\t} );\n\t\t}\n\n\t\tif ( typeof value === \"string\" && value ) {\n\t\t\tclasses = value.match( rnotwhite ) || [];\n\n\t\t\twhile ( ( elem = this[ i++ ] ) ) {\n\t\t\t\tcurValue = getClass( elem );\n\t\t\t\tcur = elem.nodeType === 1 &&\n\t\t\t\t\t( \" \" + curValue + \" \" ).replace( rclass, \" \" );\n\n\t\t\t\tif ( cur ) {\n\t\t\t\t\tj = 0;\n\t\t\t\t\twhile ( ( clazz = classes[ j++ ] ) ) {\n\t\t\t\t\t\tif ( cur.indexOf( \" \" + clazz + \" \" ) < 0 ) {\n\t\t\t\t\t\t\tcur += clazz + \" \";\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\t// Only assign if different to avoid unneeded rendering.\n\t\t\t\t\tfinalValue = jQuery.trim( cur );\n\t\t\t\t\tif ( curValue !== finalValue ) {\n\t\t\t\t\t\telem.setAttribute( \"class\", finalValue );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn this;\n\t},\n\n\tremoveClass: function( value ) {\n\t\tvar classes, elem, cur, curValue, clazz, j, finalValue,\n\t\t\ti = 0;\n\n\t\tif ( jQuery.isFunction( value ) ) {\n\t\t\treturn this.each( function( j ) {\n\t\t\t\tjQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );\n\t\t\t} );\n\t\t}\n\n\t\tif ( !arguments.length ) {\n\t\t\treturn this.attr( \"class\", \"\" );\n\t\t}\n\n\t\tif ( typeof value === \"string\" && value ) {\n\t\t\tclasses = value.match( rnotwhite ) || [];\n\n\t\t\twhile ( ( elem = this[ i++ ] ) ) {\n\t\t\t\tcurValue = getClass( elem );\n\n\t\t\t\t// This expression is here for better compressibility (see addClass)\n\t\t\t\tcur = elem.nodeType === 1 &&\n\t\t\t\t\t( \" \" + curValue + \" \" ).replace( rclass, \" \" );\n\n\t\t\t\tif ( cur ) {\n\t\t\t\t\tj = 0;\n\t\t\t\t\twhile ( ( clazz = classes[ j++ ] ) ) {\n\n\t\t\t\t\t\t// Remove *all* instances\n\t\t\t\t\t\twhile ( cur.indexOf( \" \" + clazz + \" \" ) > -1 ) {\n\t\t\t\t\t\t\tcur = cur.replace( \" \" + clazz + \" \", \" \" );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\t// Only assign if different to avoid unneeded rendering.\n\t\t\t\t\tfinalValue = jQuery.trim( cur );\n\t\t\t\t\tif ( curValue !== finalValue ) {\n\t\t\t\t\t\telem.setAttribute( \"class\", finalValue );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn this;\n\t},\n\n\ttoggleClass: function( value, stateVal ) {\n\t\tvar type = typeof value;\n\n\t\tif ( typeof stateVal === \"boolean\" && type === \"string\" ) {\n\t\t\treturn stateVal ? this.addClass( value ) : this.removeClass( value );\n\t\t}\n\n\t\tif ( jQuery.isFunction( value ) ) {\n\t\t\treturn this.each( function( i ) {\n\t\t\t\tjQuery( this ).toggleClass(\n\t\t\t\t\tvalue.call( this, i, getClass( this ), stateVal ),\n\t\t\t\t\tstateVal\n\t\t\t\t);\n\t\t\t} );\n\t\t}\n\n\t\treturn this.each( function() {\n\t\t\tvar className, i, self, classNames;\n\n\t\t\tif ( type === \"string\" ) {\n\n\t\t\t\t// Toggle individual class names\n\t\t\t\ti = 0;\n\t\t\t\tself = jQuery( this );\n\t\t\t\tclassNames = value.match( rnotwhite ) || [];\n\n\t\t\t\twhile ( ( className = classNames[ i++ ] ) ) {\n\n\t\t\t\t\t// Check each className given, space separated list\n\t\t\t\t\tif ( self.hasClass( className ) ) {\n\t\t\t\t\t\tself.removeClass( className );\n\t\t\t\t\t} else {\n\t\t\t\t\t\tself.addClass( className );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t// Toggle whole class name\n\t\t\t} else if ( value === undefined || type === \"boolean\" ) {\n\t\t\t\tclassName = getClass( this );\n\t\t\t\tif ( className ) {\n\n\t\t\t\t\t// Store className if set\n\t\t\t\t\tdataPriv.set( this, \"__className__\", className );\n\t\t\t\t}\n\n\t\t\t\t// If the element has a class name or if we're passed `false`,\n\t\t\t\t// then remove the whole classname (if there was one, the above saved it).\n\t\t\t\t// Otherwise bring back whatever was previously saved (if anything),\n\t\t\t\t// falling back to the empty string if nothing was stored.\n\t\t\t\tif ( this.setAttribute ) {\n\t\t\t\t\tthis.setAttribute( \"class\",\n\t\t\t\t\t\tclassName || value === false ?\n\t\t\t\t\t\t\"\" :\n\t\t\t\t\t\tdataPriv.get( this, \"__className__\" ) || \"\"\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t}\n\t\t} );\n\t},\n\n\thasClass: function( selector ) {\n\t\tvar className, elem,\n\t\t\ti = 0;\n\n\t\tclassName = \" \" + selector + \" \";\n\t\twhile ( ( elem = this[ i++ ] ) ) {\n\t\t\tif ( elem.nodeType === 1 &&\n\t\t\t\t( \" \" + getClass( elem ) + \" \" ).replace( rclass, \" \" )\n\t\t\t\t\t.indexOf( className ) > -1\n\t\t\t) {\n\t\t\t\treturn true;\n\t\t\t}\n\t\t}\n\n\t\treturn false;\n\t}\n} );\n\n\n\n\nvar rreturn = /\\r/g;\n\njQuery.fn.extend( {\n\tval: function( value ) {\n\t\tvar hooks, ret, isFunction,\n\t\t\telem = this[ 0 ];\n\n\t\tif ( !arguments.length ) {\n\t\t\tif ( elem ) {\n\t\t\t\thooks = jQuery.valHooks[ elem.type ] ||\n\t\t\t\t\tjQuery.valHooks[ elem.nodeName.toLowerCase() ];\n\n\t\t\t\tif ( hooks &&\n\t\t\t\t\t\"get\" in hooks &&\n\t\t\t\t\t( ret = hooks.get( elem, \"value\" ) ) !== undefined\n\t\t\t\t) {\n\t\t\t\t\treturn ret;\n\t\t\t\t}\n\n\t\t\t\tret = elem.value;\n\n\t\t\t\treturn typeof ret === \"string\" ?\n\n\t\t\t\t\t// Handle most common string cases\n\t\t\t\t\tret.replace( rreturn, \"\" ) :\n\n\t\t\t\t\t// Handle cases where value is null/undef or number\n\t\t\t\t\tret == null ? \"\" : ret;\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\tisFunction = jQuery.isFunction( value );\n\n\t\treturn this.each( function( i ) {\n\t\t\tvar val;\n\n\t\t\tif ( this.nodeType !== 1 ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\tif ( isFunction ) {\n\t\t\t\tval = value.call( this, i, jQuery( this ).val() );\n\t\t\t} else {\n\t\t\t\tval = value;\n\t\t\t}\n\n\t\t\t// Treat null/undefined as \"\"; convert numbers to string\n\t\t\tif ( val == null ) {\n\t\t\t\tval = \"\";\n\n\t\t\t} else if ( typeof val === \"number\" ) {\n\t\t\t\tval += \"\";\n\n\t\t\t} else if ( jQuery.isArray( val ) ) {\n\t\t\t\tval = jQuery.map( val, function( value ) {\n\t\t\t\t\treturn value == null ? \"\" : value + \"\";\n\t\t\t\t} );\n\t\t\t}\n\n\t\t\thooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];\n\n\t\t\t// If set returns undefined, fall back to normal setting\n\t\t\tif ( !hooks || !( \"set\" in hooks ) || hooks.set( this, val, \"value\" ) === undefined ) {\n\t\t\t\tthis.value = val;\n\t\t\t}\n\t\t} );\n\t}\n} );\n\njQuery.extend( {\n\tvalHooks: {\n\t\toption: {\n\t\t\tget: function( elem ) {\n\n\t\t\t\t// Support: IE<11\n\t\t\t\t// option.value not trimmed (#14858)\n\t\t\t\treturn jQuery.trim( elem.value );\n\t\t\t}\n\t\t},\n\t\tselect: {\n\t\t\tget: function( elem ) {\n\t\t\t\tvar value, option,\n\t\t\t\t\toptions = elem.options,\n\t\t\t\t\tindex = elem.selectedIndex,\n\t\t\t\t\tone = elem.type === \"select-one\" || index < 0,\n\t\t\t\t\tvalues = one ? null : [],\n\t\t\t\t\tmax = one ? index + 1 : options.length,\n\t\t\t\t\ti = index < 0 ?\n\t\t\t\t\t\tmax :\n\t\t\t\t\t\tone ? index : 0;\n\n\t\t\t\t// Loop through all the selected options\n\t\t\t\tfor ( ; i < max; i++ ) {\n\t\t\t\t\toption = options[ i ];\n\n\t\t\t\t\t// IE8-9 doesn't update selected after form reset (#2551)\n\t\t\t\t\tif ( ( option.selected || i === index ) &&\n\n\t\t\t\t\t\t\t// Don't return options that are disabled or in a disabled optgroup\n\t\t\t\t\t\t\t( support.optDisabled ?\n\t\t\t\t\t\t\t\t!option.disabled : option.getAttribute( \"disabled\" ) === null ) &&\n\t\t\t\t\t\t\t( !option.parentNode.disabled ||\n\t\t\t\t\t\t\t\t!jQuery.nodeName( option.parentNode, \"optgroup\" ) ) ) {\n\n\t\t\t\t\t\t// Get the specific value for the option\n\t\t\t\t\t\tvalue = jQuery( option ).val();\n\n\t\t\t\t\t\t// We don't need an array for one selects\n\t\t\t\t\t\tif ( one ) {\n\t\t\t\t\t\t\treturn value;\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Multi-Selects return an array\n\t\t\t\t\t\tvalues.push( value );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\treturn values;\n\t\t\t},\n\n\t\t\tset: function( elem, value ) {\n\t\t\t\tvar optionSet, option,\n\t\t\t\t\toptions = elem.options,\n\t\t\t\t\tvalues = jQuery.makeArray( value ),\n\t\t\t\t\ti = options.length;\n\n\t\t\t\twhile ( i-- ) {\n\t\t\t\t\toption = options[ i ];\n\t\t\t\t\tif ( option.selected =\n\t\t\t\t\t\t\tjQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1\n\t\t\t\t\t) {\n\t\t\t\t\t\toptionSet = true;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Force browsers to behave consistently when non-matching value is set\n\t\t\t\tif ( !optionSet ) {\n\t\t\t\t\telem.selectedIndex = -1;\n\t\t\t\t}\n\t\t\t\treturn values;\n\t\t\t}\n\t\t}\n\t}\n} );\n\n// Radios and checkboxes getter/setter\njQuery.each( [ \"radio\", \"checkbox\" ], function() {\n\tjQuery.valHooks[ this ] = {\n\t\tset: function( elem, value ) {\n\t\t\tif ( jQuery.isArray( value ) ) {\n\t\t\t\treturn ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );\n\t\t\t}\n\t\t}\n\t};\n\tif ( !support.checkOn ) {\n\t\tjQuery.valHooks[ this ].get = function( elem ) {\n\t\t\treturn elem.getAttribute( \"value\" ) === null ? \"on\" : elem.value;\n\t\t};\n\t}\n} );\n\n\n\n\n// Return jQuery for attributes-only inclusion\n\n\nvar rfocusMorph = /^(?:focusinfocus|focusoutblur)$/;\n\njQuery.extend( jQuery.event, {\n\n\ttrigger: function( event, data, elem, onlyHandlers ) {\n\n\t\tvar i, cur, tmp, bubbleType, ontype, handle, special,\n\t\t\teventPath = [ elem || document ],\n\t\t\ttype = hasOwn.call( event, \"type\" ) ? event.type : event,\n\t\t\tnamespaces = hasOwn.call( event, \"namespace\" ) ? event.namespace.split( \".\" ) : [];\n\n\t\tcur = tmp = elem = elem || document;\n\n\t\t// Don't do events on text and comment nodes\n\t\tif ( elem.nodeType === 3 || elem.nodeType === 8 ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// focus/blur morphs to focusin/out; ensure we're not firing them right now\n\t\tif ( rfocusMorph.test( type + jQuery.event.triggered ) ) {\n\t\t\treturn;\n\t\t}\n\n\t\tif ( type.indexOf( \".\" ) > -1 ) {\n\n\t\t\t// Namespaced trigger; create a regexp to match event type in handle()\n\t\t\tnamespaces = type.split( \".\" );\n\t\t\ttype = namespaces.shift();\n\t\t\tnamespaces.sort();\n\t\t}\n\t\tontype = type.indexOf( \":\" ) < 0 && \"on\" + type;\n\n\t\t// Caller can pass in a jQuery.Event object, Object, or just an event type string\n\t\tevent = event[ jQuery.expando ] ?\n\t\t\tevent :\n\t\t\tnew jQuery.Event( type, typeof event === \"object\" && event );\n\n\t\t// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)\n\t\tevent.isTrigger = onlyHandlers ? 2 : 3;\n\t\tevent.namespace = namespaces.join( \".\" );\n\t\tevent.rnamespace = event.namespace ?\n\t\t\tnew RegExp( \"(^|\\\\.)\" + namespaces.join( \"\\\\.(?:.*\\\\.|)\" ) + \"(\\\\.|$)\" ) :\n\t\t\tnull;\n\n\t\t// Clean up the event in case it is being reused\n\t\tevent.result = undefined;\n\t\tif ( !event.target ) {\n\t\t\tevent.target = elem;\n\t\t}\n\n\t\t// Clone any incoming data and prepend the event, creating the handler arg list\n\t\tdata = data == null ?\n\t\t\t[ event ] :\n\t\t\tjQuery.makeArray( data, [ event ] );\n\n\t\t// Allow special events to draw outside the lines\n\t\tspecial = jQuery.event.special[ type ] || {};\n\t\tif ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Determine event propagation path in advance, per W3C events spec (#9951)\n\t\t// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)\n\t\tif ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {\n\n\t\t\tbubbleType = special.delegateType || type;\n\t\t\tif ( !rfocusMorph.test( bubbleType + type ) ) {\n\t\t\t\tcur = cur.parentNode;\n\t\t\t}\n\t\t\tfor ( ; cur; cur = cur.parentNode ) {\n\t\t\t\teventPath.push( cur );\n\t\t\t\ttmp = cur;\n\t\t\t}\n\n\t\t\t// Only add window if we got to document (e.g., not plain obj or detached DOM)\n\t\t\tif ( tmp === ( elem.ownerDocument || document ) ) {\n\t\t\t\teventPath.push( tmp.defaultView || tmp.parentWindow || window );\n\t\t\t}\n\t\t}\n\n\t\t// Fire handlers on the event path\n\t\ti = 0;\n\t\twhile ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {\n\n\t\t\tevent.type = i > 1 ?\n\t\t\t\tbubbleType :\n\t\t\t\tspecial.bindType || type;\n\n\t\t\t// jQuery handler\n\t\t\thandle = ( dataPriv.get( cur, \"events\" ) || {} )[ event.type ] &&\n\t\t\t\tdataPriv.get( cur, \"handle\" );\n\t\t\tif ( handle ) {\n\t\t\t\thandle.apply( cur, data );\n\t\t\t}\n\n\t\t\t// Native handler\n\t\t\thandle = ontype && cur[ ontype ];\n\t\t\tif ( handle && handle.apply && acceptData( cur ) ) {\n\t\t\t\tevent.result = handle.apply( cur, data );\n\t\t\t\tif ( event.result === false ) {\n\t\t\t\t\tevent.preventDefault();\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tevent.type = type;\n\n\t\t// If nobody prevented the default action, do it now\n\t\tif ( !onlyHandlers && !event.isDefaultPrevented() ) {\n\n\t\t\tif ( ( !special._default ||\n\t\t\t\tspecial._default.apply( eventPath.pop(), data ) === false ) &&\n\t\t\t\tacceptData( elem ) ) {\n\n\t\t\t\t// Call a native DOM method on the target with the same name name as the event.\n\t\t\t\t// Don't do default actions on window, that's where global variables be (#6170)\n\t\t\t\tif ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) {\n\n\t\t\t\t\t// Don't re-trigger an onFOO event when we call its FOO() method\n\t\t\t\t\ttmp = elem[ ontype ];\n\n\t\t\t\t\tif ( tmp ) {\n\t\t\t\t\t\telem[ ontype ] = null;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Prevent re-triggering of the same event, since we already bubbled it above\n\t\t\t\t\tjQuery.event.triggered = type;\n\t\t\t\t\telem[ type ]();\n\t\t\t\t\tjQuery.event.triggered = undefined;\n\n\t\t\t\t\tif ( tmp ) {\n\t\t\t\t\t\telem[ ontype ] = tmp;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn event.result;\n\t},\n\n\t// Piggyback on a donor event to simulate a different one\n\tsimulate: function( type, elem, event ) {\n\t\tvar e = jQuery.extend(\n\t\t\tnew jQuery.Event(),\n\t\t\tevent,\n\t\t\t{\n\t\t\t\ttype: type,\n\t\t\t\tisSimulated: true\n\n\t\t\t\t// Previously, `originalEvent: {}` was set here, so stopPropagation call\n\t\t\t\t// would not be triggered on donor event, since in our own\n\t\t\t\t// jQuery.event.stopPropagation function we had a check for existence of\n\t\t\t\t// originalEvent.stopPropagation method, so, consequently it would be a noop.\n\t\t\t\t//\n\t\t\t\t// But now, this \"simulate\" function is used only for events\n\t\t\t\t// for which stopPropagation() is noop, so there is no need for that anymore.\n\t\t\t\t//\n\t\t\t\t// For the compat branch though, guard for \"click\" and \"submit\"\n\t\t\t\t// events is still used, but was moved to jQuery.event.stopPropagation function\n\t\t\t\t// because `originalEvent` should point to the original event for the constancy\n\t\t\t\t// with other events and for more focused logic\n\t\t\t}\n\t\t);\n\n\t\tjQuery.event.trigger( e, null, elem );\n\n\t\tif ( e.isDefaultPrevented() ) {\n\t\t\tevent.preventDefault();\n\t\t}\n\t}\n\n} );\n\njQuery.fn.extend( {\n\n\ttrigger: function( type, data ) {\n\t\treturn this.each( function() {\n\t\t\tjQuery.event.trigger( type, data, this );\n\t\t} );\n\t},\n\ttriggerHandler: function( type, data ) {\n\t\tvar elem = this[ 0 ];\n\t\tif ( elem ) {\n\t\t\treturn jQuery.event.trigger( type, data, elem, true );\n\t\t}\n\t}\n} );\n\n\njQuery.each( ( \"blur focus focusin focusout load resize scroll unload click dblclick \" +\n\t\"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave \" +\n\t\"change select submit keydown keypress keyup error contextmenu\" ).split( \" \" ),\n\tfunction( i, name ) {\n\n\t// Handle event binding\n\tjQuery.fn[ name ] = function( data, fn ) {\n\t\treturn arguments.length > 0 ?\n\t\t\tthis.on( name, null, data, fn ) :\n\t\t\tthis.trigger( name );\n\t};\n} );\n\njQuery.fn.extend( {\n\thover: function( fnOver, fnOut ) {\n\t\treturn this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );\n\t}\n} );\n\n\n\n\nsupport.focusin = \"onfocusin\" in window;\n\n\n// Support: Firefox\n// Firefox doesn't have focus(in | out) events\n// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787\n//\n// Support: Chrome, Safari\n// focus(in | out) events fire after focus & blur events,\n// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order\n// Related ticket - https://code.google.com/p/chromium/issues/detail?id=449857\nif ( !support.focusin ) {\n\tjQuery.each( { focus: \"focusin\", blur: \"focusout\" }, function( orig, fix ) {\n\n\t\t// Attach a single capturing handler on the document while someone wants focusin/focusout\n\t\tvar handler = function( event ) {\n\t\t\tjQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );\n\t\t};\n\n\t\tjQuery.event.special[ fix ] = {\n\t\t\tsetup: function() {\n\t\t\t\tvar doc = this.ownerDocument || this,\n\t\t\t\t\tattaches = dataPriv.access( doc, fix );\n\n\t\t\t\tif ( !attaches ) {\n\t\t\t\t\tdoc.addEventListener( orig, handler, true );\n\t\t\t\t}\n\t\t\t\tdataPriv.access( doc, fix, ( attaches || 0 ) + 1 );\n\t\t\t},\n\t\t\tteardown: function() {\n\t\t\t\tvar doc = this.ownerDocument || this,\n\t\t\t\t\tattaches = dataPriv.access( doc, fix ) - 1;\n\n\t\t\t\tif ( !attaches ) {\n\t\t\t\t\tdoc.removeEventListener( orig, handler, true );\n\t\t\t\t\tdataPriv.remove( doc, fix );\n\n\t\t\t\t} else {\n\t\t\t\t\tdataPriv.access( doc, fix, attaches );\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t} );\n}\nvar location = window.location;\n\nvar nonce = jQuery.now();\n\nvar rquery = ( /\\?/ );\n\n\n\n// Support: Android 2.3\n// Workaround failure to string-cast null input\njQuery.parseJSON = function( data ) {\n\treturn JSON.parse( data + \"\" );\n};\n\n\n// Cross-browser xml parsing\njQuery.parseXML = function( data ) {\n\tvar xml;\n\tif ( !data || typeof data !== \"string\" ) {\n\t\treturn null;\n\t}\n\n\t// Support: IE9\n\ttry {\n\t\txml = ( new window.DOMParser() ).parseFromString( data, \"text/xml\" );\n\t} catch ( e ) {\n\t\txml = undefined;\n\t}\n\n\tif ( !xml || xml.getElementsByTagName( \"parsererror\" ).length ) {\n\t\tjQuery.error( \"Invalid XML: \" + data );\n\t}\n\treturn xml;\n};\n\n\nvar\n\trhash = /#.*$/,\n\trts = /([?&])_=[^&]*/,\n\trheaders = /^(.*?):[ \\t]*([^\\r\\n]*)$/mg,\n\n\t// #7653, #8125, #8152: local protocol detection\n\trlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,\n\trnoContent = /^(?:GET|HEAD)$/,\n\trprotocol = /^\\/\\//,\n\n\t/* Prefilters\n\t * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)\n\t * 2) These are called:\n\t *    - BEFORE asking for a transport\n\t *    - AFTER param serialization (s.data is a string if s.processData is true)\n\t * 3) key is the dataType\n\t * 4) the catchall symbol \"*\" can be used\n\t * 5) execution will start with transport dataType and THEN continue down to \"*\" if needed\n\t */\n\tprefilters = {},\n\n\t/* Transports bindings\n\t * 1) key is the dataType\n\t * 2) the catchall symbol \"*\" can be used\n\t * 3) selection will start with transport dataType and THEN go to \"*\" if needed\n\t */\n\ttransports = {},\n\n\t// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression\n\tallTypes = \"*/\".concat( \"*\" ),\n\n\t// Anchor tag for parsing the document origin\n\toriginAnchor = document.createElement( \"a\" );\n\toriginAnchor.href = location.href;\n\n// Base \"constructor\" for jQuery.ajaxPrefilter and jQuery.ajaxTransport\nfunction addToPrefiltersOrTransports( structure ) {\n\n\t// dataTypeExpression is optional and defaults to \"*\"\n\treturn function( dataTypeExpression, func ) {\n\n\t\tif ( typeof dataTypeExpression !== \"string\" ) {\n\t\t\tfunc = dataTypeExpression;\n\t\t\tdataTypeExpression = \"*\";\n\t\t}\n\n\t\tvar dataType,\n\t\t\ti = 0,\n\t\t\tdataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];\n\n\t\tif ( jQuery.isFunction( func ) ) {\n\n\t\t\t// For each dataType in the dataTypeExpression\n\t\t\twhile ( ( dataType = dataTypes[ i++ ] ) ) {\n\n\t\t\t\t// Prepend if requested\n\t\t\t\tif ( dataType[ 0 ] === \"+\" ) {\n\t\t\t\t\tdataType = dataType.slice( 1 ) || \"*\";\n\t\t\t\t\t( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );\n\n\t\t\t\t// Otherwise append\n\t\t\t\t} else {\n\t\t\t\t\t( structure[ dataType ] = structure[ dataType ] || [] ).push( func );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t};\n}\n\n// Base inspection function for prefilters and transports\nfunction inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {\n\n\tvar inspected = {},\n\t\tseekingTransport = ( structure === transports );\n\n\tfunction inspect( dataType ) {\n\t\tvar selected;\n\t\tinspected[ dataType ] = true;\n\t\tjQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {\n\t\t\tvar dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );\n\t\t\tif ( typeof dataTypeOrTransport === \"string\" &&\n\t\t\t\t!seekingTransport && !inspected[ dataTypeOrTransport ] ) {\n\n\t\t\t\toptions.dataTypes.unshift( dataTypeOrTransport );\n\t\t\t\tinspect( dataTypeOrTransport );\n\t\t\t\treturn false;\n\t\t\t} else if ( seekingTransport ) {\n\t\t\t\treturn !( selected = dataTypeOrTransport );\n\t\t\t}\n\t\t} );\n\t\treturn selected;\n\t}\n\n\treturn inspect( options.dataTypes[ 0 ] ) || !inspected[ \"*\" ] && inspect( \"*\" );\n}\n\n// A special extend for ajax options\n// that takes \"flat\" options (not to be deep extended)\n// Fixes #9887\nfunction ajaxExtend( target, src ) {\n\tvar key, deep,\n\t\tflatOptions = jQuery.ajaxSettings.flatOptions || {};\n\n\tfor ( key in src ) {\n\t\tif ( src[ key ] !== undefined ) {\n\t\t\t( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];\n\t\t}\n\t}\n\tif ( deep ) {\n\t\tjQuery.extend( true, target, deep );\n\t}\n\n\treturn target;\n}\n\n/* Handles responses to an ajax request:\n * - finds the right dataType (mediates between content-type and expected dataType)\n * - returns the corresponding response\n */\nfunction ajaxHandleResponses( s, jqXHR, responses ) {\n\n\tvar ct, type, finalDataType, firstDataType,\n\t\tcontents = s.contents,\n\t\tdataTypes = s.dataTypes;\n\n\t// Remove auto dataType and get content-type in the process\n\twhile ( dataTypes[ 0 ] === \"*\" ) {\n\t\tdataTypes.shift();\n\t\tif ( ct === undefined ) {\n\t\t\tct = s.mimeType || jqXHR.getResponseHeader( \"Content-Type\" );\n\t\t}\n\t}\n\n\t// Check if we're dealing with a known content-type\n\tif ( ct ) {\n\t\tfor ( type in contents ) {\n\t\t\tif ( contents[ type ] && contents[ type ].test( ct ) ) {\n\t\t\t\tdataTypes.unshift( type );\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\n\t// Check to see if we have a response for the expected dataType\n\tif ( dataTypes[ 0 ] in responses ) {\n\t\tfinalDataType = dataTypes[ 0 ];\n\t} else {\n\n\t\t// Try convertible dataTypes\n\t\tfor ( type in responses ) {\n\t\t\tif ( !dataTypes[ 0 ] || s.converters[ type + \" \" + dataTypes[ 0 ] ] ) {\n\t\t\t\tfinalDataType = type;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif ( !firstDataType ) {\n\t\t\t\tfirstDataType = type;\n\t\t\t}\n\t\t}\n\n\t\t// Or just use first one\n\t\tfinalDataType = finalDataType || firstDataType;\n\t}\n\n\t// If we found a dataType\n\t// We add the dataType to the list if needed\n\t// and return the corresponding response\n\tif ( finalDataType ) {\n\t\tif ( finalDataType !== dataTypes[ 0 ] ) {\n\t\t\tdataTypes.unshift( finalDataType );\n\t\t}\n\t\treturn responses[ finalDataType ];\n\t}\n}\n\n/* Chain conversions given the request and the original response\n * Also sets the responseXXX fields on the jqXHR instance\n */\nfunction ajaxConvert( s, response, jqXHR, isSuccess ) {\n\tvar conv2, current, conv, tmp, prev,\n\t\tconverters = {},\n\n\t\t// Work with a copy of dataTypes in case we need to modify it for conversion\n\t\tdataTypes = s.dataTypes.slice();\n\n\t// Create converters map with lowercased keys\n\tif ( dataTypes[ 1 ] ) {\n\t\tfor ( conv in s.converters ) {\n\t\t\tconverters[ conv.toLowerCase() ] = s.converters[ conv ];\n\t\t}\n\t}\n\n\tcurrent = dataTypes.shift();\n\n\t// Convert to each sequential dataType\n\twhile ( current ) {\n\n\t\tif ( s.responseFields[ current ] ) {\n\t\t\tjqXHR[ s.responseFields[ current ] ] = response;\n\t\t}\n\n\t\t// Apply the dataFilter if provided\n\t\tif ( !prev && isSuccess && s.dataFilter ) {\n\t\t\tresponse = s.dataFilter( response, s.dataType );\n\t\t}\n\n\t\tprev = current;\n\t\tcurrent = dataTypes.shift();\n\n\t\tif ( current ) {\n\n\t\t// There's only work to do if current dataType is non-auto\n\t\t\tif ( current === \"*\" ) {\n\n\t\t\t\tcurrent = prev;\n\n\t\t\t// Convert response if prev dataType is non-auto and differs from current\n\t\t\t} else if ( prev !== \"*\" && prev !== current ) {\n\n\t\t\t\t// Seek a direct converter\n\t\t\t\tconv = converters[ prev + \" \" + current ] || converters[ \"* \" + current ];\n\n\t\t\t\t// If none found, seek a pair\n\t\t\t\tif ( !conv ) {\n\t\t\t\t\tfor ( conv2 in converters ) {\n\n\t\t\t\t\t\t// If conv2 outputs current\n\t\t\t\t\t\ttmp = conv2.split( \" \" );\n\t\t\t\t\t\tif ( tmp[ 1 ] === current ) {\n\n\t\t\t\t\t\t\t// If prev can be converted to accepted input\n\t\t\t\t\t\t\tconv = converters[ prev + \" \" + tmp[ 0 ] ] ||\n\t\t\t\t\t\t\t\tconverters[ \"* \" + tmp[ 0 ] ];\n\t\t\t\t\t\t\tif ( conv ) {\n\n\t\t\t\t\t\t\t\t// Condense equivalence converters\n\t\t\t\t\t\t\t\tif ( conv === true ) {\n\t\t\t\t\t\t\t\t\tconv = converters[ conv2 ];\n\n\t\t\t\t\t\t\t\t// Otherwise, insert the intermediate dataType\n\t\t\t\t\t\t\t\t} else if ( converters[ conv2 ] !== true ) {\n\t\t\t\t\t\t\t\t\tcurrent = tmp[ 0 ];\n\t\t\t\t\t\t\t\t\tdataTypes.unshift( tmp[ 1 ] );\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Apply converter (if not an equivalence)\n\t\t\t\tif ( conv !== true ) {\n\n\t\t\t\t\t// Unless errors are allowed to bubble, catch and return them\n\t\t\t\t\tif ( conv && s.throws ) {\n\t\t\t\t\t\tresponse = conv( response );\n\t\t\t\t\t} else {\n\t\t\t\t\t\ttry {\n\t\t\t\t\t\t\tresponse = conv( response );\n\t\t\t\t\t\t} catch ( e ) {\n\t\t\t\t\t\t\treturn {\n\t\t\t\t\t\t\t\tstate: \"parsererror\",\n\t\t\t\t\t\t\t\terror: conv ? e : \"No conversion from \" + prev + \" to \" + current\n\t\t\t\t\t\t\t};\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn { state: \"success\", data: response };\n}\n\njQuery.extend( {\n\n\t// Counter for holding the number of active queries\n\tactive: 0,\n\n\t// Last-Modified header cache for next request\n\tlastModified: {},\n\tetag: {},\n\n\tajaxSettings: {\n\t\turl: location.href,\n\t\ttype: \"GET\",\n\t\tisLocal: rlocalProtocol.test( location.protocol ),\n\t\tglobal: true,\n\t\tprocessData: true,\n\t\tasync: true,\n\t\tcontentType: \"application/x-www-form-urlencoded; charset=UTF-8\",\n\t\t/*\n\t\ttimeout: 0,\n\t\tdata: null,\n\t\tdataType: null,\n\t\tusername: null,\n\t\tpassword: null,\n\t\tcache: null,\n\t\tthrows: false,\n\t\ttraditional: false,\n\t\theaders: {},\n\t\t*/\n\n\t\taccepts: {\n\t\t\t\"*\": allTypes,\n\t\t\ttext: \"text/plain\",\n\t\t\thtml: \"text/html\",\n\t\t\txml: \"application/xml, text/xml\",\n\t\t\tjson: \"application/json, text/javascript\"\n\t\t},\n\n\t\tcontents: {\n\t\t\txml: /\\bxml\\b/,\n\t\t\thtml: /\\bhtml/,\n\t\t\tjson: /\\bjson\\b/\n\t\t},\n\n\t\tresponseFields: {\n\t\t\txml: \"responseXML\",\n\t\t\ttext: \"responseText\",\n\t\t\tjson: \"responseJSON\"\n\t\t},\n\n\t\t// Data converters\n\t\t// Keys separate source (or catchall \"*\") and destination types with a single space\n\t\tconverters: {\n\n\t\t\t// Convert anything to text\n\t\t\t\"* text\": String,\n\n\t\t\t// Text to html (true = no transformation)\n\t\t\t\"text html\": true,\n\n\t\t\t// Evaluate text as a json expression\n\t\t\t\"text json\": jQuery.parseJSON,\n\n\t\t\t// Parse text as xml\n\t\t\t\"text xml\": jQuery.parseXML\n\t\t},\n\n\t\t// For options that shouldn't be deep extended:\n\t\t// you can add your own custom options here if\n\t\t// and when you create one that shouldn't be\n\t\t// deep extended (see ajaxExtend)\n\t\tflatOptions: {\n\t\t\turl: true,\n\t\t\tcontext: true\n\t\t}\n\t},\n\n\t// Creates a full fledged settings object into target\n\t// with both ajaxSettings and settings fields.\n\t// If target is omitted, writes into ajaxSettings.\n\tajaxSetup: function( target, settings ) {\n\t\treturn settings ?\n\n\t\t\t// Building a settings object\n\t\t\tajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :\n\n\t\t\t// Extending ajaxSettings\n\t\t\tajaxExtend( jQuery.ajaxSettings, target );\n\t},\n\n\tajaxPrefilter: addToPrefiltersOrTransports( prefilters ),\n\tajaxTransport: addToPrefiltersOrTransports( transports ),\n\n\t// Main method\n\tajax: function( url, options ) {\n\n\t\t// If url is an object, simulate pre-1.5 signature\n\t\tif ( typeof url === \"object\" ) {\n\t\t\toptions = url;\n\t\t\turl = undefined;\n\t\t}\n\n\t\t// Force options to be an object\n\t\toptions = options || {};\n\n\t\tvar transport,\n\n\t\t\t// URL without anti-cache param\n\t\t\tcacheURL,\n\n\t\t\t// Response headers\n\t\t\tresponseHeadersString,\n\t\t\tresponseHeaders,\n\n\t\t\t// timeout handle\n\t\t\ttimeoutTimer,\n\n\t\t\t// Url cleanup var\n\t\t\turlAnchor,\n\n\t\t\t// To know if global events are to be dispatched\n\t\t\tfireGlobals,\n\n\t\t\t// Loop variable\n\t\t\ti,\n\n\t\t\t// Create the final options object\n\t\t\ts = jQuery.ajaxSetup( {}, options ),\n\n\t\t\t// Callbacks context\n\t\t\tcallbackContext = s.context || s,\n\n\t\t\t// Context for global events is callbackContext if it is a DOM node or jQuery collection\n\t\t\tglobalEventContext = s.context &&\n\t\t\t\t( callbackContext.nodeType || callbackContext.jquery ) ?\n\t\t\t\t\tjQuery( callbackContext ) :\n\t\t\t\t\tjQuery.event,\n\n\t\t\t// Deferreds\n\t\t\tdeferred = jQuery.Deferred(),\n\t\t\tcompleteDeferred = jQuery.Callbacks( \"once memory\" ),\n\n\t\t\t// Status-dependent callbacks\n\t\t\tstatusCode = s.statusCode || {},\n\n\t\t\t// Headers (they are sent all at once)\n\t\t\trequestHeaders = {},\n\t\t\trequestHeadersNames = {},\n\n\t\t\t// The jqXHR state\n\t\t\tstate = 0,\n\n\t\t\t// Default abort message\n\t\t\tstrAbort = \"canceled\",\n\n\t\t\t// Fake xhr\n\t\t\tjqXHR = {\n\t\t\t\treadyState: 0,\n\n\t\t\t\t// Builds headers hashtable if needed\n\t\t\t\tgetResponseHeader: function( key ) {\n\t\t\t\t\tvar match;\n\t\t\t\t\tif ( state === 2 ) {\n\t\t\t\t\t\tif ( !responseHeaders ) {\n\t\t\t\t\t\t\tresponseHeaders = {};\n\t\t\t\t\t\t\twhile ( ( match = rheaders.exec( responseHeadersString ) ) ) {\n\t\t\t\t\t\t\t\tresponseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t\tmatch = responseHeaders[ key.toLowerCase() ];\n\t\t\t\t\t}\n\t\t\t\t\treturn match == null ? null : match;\n\t\t\t\t},\n\n\t\t\t\t// Raw string\n\t\t\t\tgetAllResponseHeaders: function() {\n\t\t\t\t\treturn state === 2 ? responseHeadersString : null;\n\t\t\t\t},\n\n\t\t\t\t// Caches the header\n\t\t\t\tsetRequestHeader: function( name, value ) {\n\t\t\t\t\tvar lname = name.toLowerCase();\n\t\t\t\t\tif ( !state ) {\n\t\t\t\t\t\tname = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;\n\t\t\t\t\t\trequestHeaders[ name ] = value;\n\t\t\t\t\t}\n\t\t\t\t\treturn this;\n\t\t\t\t},\n\n\t\t\t\t// Overrides response content-type header\n\t\t\t\toverrideMimeType: function( type ) {\n\t\t\t\t\tif ( !state ) {\n\t\t\t\t\t\ts.mimeType = type;\n\t\t\t\t\t}\n\t\t\t\t\treturn this;\n\t\t\t\t},\n\n\t\t\t\t// Status-dependent callbacks\n\t\t\t\tstatusCode: function( map ) {\n\t\t\t\t\tvar code;\n\t\t\t\t\tif ( map ) {\n\t\t\t\t\t\tif ( state < 2 ) {\n\t\t\t\t\t\t\tfor ( code in map ) {\n\n\t\t\t\t\t\t\t\t// Lazy-add the new callback in a way that preserves old ones\n\t\t\t\t\t\t\t\tstatusCode[ code ] = [ statusCode[ code ], map[ code ] ];\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} else {\n\n\t\t\t\t\t\t\t// Execute the appropriate callbacks\n\t\t\t\t\t\t\tjqXHR.always( map[ jqXHR.status ] );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\treturn this;\n\t\t\t\t},\n\n\t\t\t\t// Cancel the request\n\t\t\t\tabort: function( statusText ) {\n\t\t\t\t\tvar finalText = statusText || strAbort;\n\t\t\t\t\tif ( transport ) {\n\t\t\t\t\t\ttransport.abort( finalText );\n\t\t\t\t\t}\n\t\t\t\t\tdone( 0, finalText );\n\t\t\t\t\treturn this;\n\t\t\t\t}\n\t\t\t};\n\n\t\t// Attach deferreds\n\t\tdeferred.promise( jqXHR ).complete = completeDeferred.add;\n\t\tjqXHR.success = jqXHR.done;\n\t\tjqXHR.error = jqXHR.fail;\n\n\t\t// Remove hash character (#7531: and string promotion)\n\t\t// Add protocol if not provided (prefilters might expect it)\n\t\t// Handle falsy url in the settings object (#10093: consistency with old signature)\n\t\t// We also use the url parameter if available\n\t\ts.url = ( ( url || s.url || location.href ) + \"\" ).replace( rhash, \"\" )\n\t\t\t.replace( rprotocol, location.protocol + \"//\" );\n\n\t\t// Alias method option to type as per ticket #12004\n\t\ts.type = options.method || options.type || s.method || s.type;\n\n\t\t// Extract dataTypes list\n\t\ts.dataTypes = jQuery.trim( s.dataType || \"*\" ).toLowerCase().match( rnotwhite ) || [ \"\" ];\n\n\t\t// A cross-domain request is in order when the origin doesn't match the current origin.\n\t\tif ( s.crossDomain == null ) {\n\t\t\turlAnchor = document.createElement( \"a\" );\n\n\t\t\t// Support: IE8-11+\n\t\t\t// IE throws exception if url is malformed, e.g. http://example.com:80x/\n\t\t\ttry {\n\t\t\t\turlAnchor.href = s.url;\n\n\t\t\t\t// Support: IE8-11+\n\t\t\t\t// Anchor's host property isn't correctly set when s.url is relative\n\t\t\t\turlAnchor.href = urlAnchor.href;\n\t\t\t\ts.crossDomain = originAnchor.protocol + \"//\" + originAnchor.host !==\n\t\t\t\t\turlAnchor.protocol + \"//\" + urlAnchor.host;\n\t\t\t} catch ( e ) {\n\n\t\t\t\t// If there is an error parsing the URL, assume it is crossDomain,\n\t\t\t\t// it can be rejected by the transport if it is invalid\n\t\t\t\ts.crossDomain = true;\n\t\t\t}\n\t\t}\n\n\t\t// Convert data if not already a string\n\t\tif ( s.data && s.processData && typeof s.data !== \"string\" ) {\n\t\t\ts.data = jQuery.param( s.data, s.traditional );\n\t\t}\n\n\t\t// Apply prefilters\n\t\tinspectPrefiltersOrTransports( prefilters, s, options, jqXHR );\n\n\t\t// If request was aborted inside a prefilter, stop there\n\t\tif ( state === 2 ) {\n\t\t\treturn jqXHR;\n\t\t}\n\n\t\t// We can fire global events as of now if asked to\n\t\t// Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)\n\t\tfireGlobals = jQuery.event && s.global;\n\n\t\t// Watch for a new set of requests\n\t\tif ( fireGlobals && jQuery.active++ === 0 ) {\n\t\t\tjQuery.event.trigger( \"ajaxStart\" );\n\t\t}\n\n\t\t// Uppercase the type\n\t\ts.type = s.type.toUpperCase();\n\n\t\t// Determine if request has content\n\t\ts.hasContent = !rnoContent.test( s.type );\n\n\t\t// Save the URL in case we're toying with the If-Modified-Since\n\t\t// and/or If-None-Match header later on\n\t\tcacheURL = s.url;\n\n\t\t// More options handling for requests with no content\n\t\tif ( !s.hasContent ) {\n\n\t\t\t// If data is available, append data to url\n\t\t\tif ( s.data ) {\n\t\t\t\tcacheURL = ( s.url += ( rquery.test( cacheURL ) ? \"&\" : \"?\" ) + s.data );\n\n\t\t\t\t// #9682: remove data so that it's not used in an eventual retry\n\t\t\t\tdelete s.data;\n\t\t\t}\n\n\t\t\t// Add anti-cache in url if needed\n\t\t\tif ( s.cache === false ) {\n\t\t\t\ts.url = rts.test( cacheURL ) ?\n\n\t\t\t\t\t// If there is already a '_' parameter, set its value\n\t\t\t\t\tcacheURL.replace( rts, \"$1_=\" + nonce++ ) :\n\n\t\t\t\t\t// Otherwise add one to the end\n\t\t\t\t\tcacheURL + ( rquery.test( cacheURL ) ? \"&\" : \"?\" ) + \"_=\" + nonce++;\n\t\t\t}\n\t\t}\n\n\t\t// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.\n\t\tif ( s.ifModified ) {\n\t\t\tif ( jQuery.lastModified[ cacheURL ] ) {\n\t\t\t\tjqXHR.setRequestHeader( \"If-Modified-Since\", jQuery.lastModified[ cacheURL ] );\n\t\t\t}\n\t\t\tif ( jQuery.etag[ cacheURL ] ) {\n\t\t\t\tjqXHR.setRequestHeader( \"If-None-Match\", jQuery.etag[ cacheURL ] );\n\t\t\t}\n\t\t}\n\n\t\t// Set the correct header, if data is being sent\n\t\tif ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {\n\t\t\tjqXHR.setRequestHeader( \"Content-Type\", s.contentType );\n\t\t}\n\n\t\t// Set the Accepts header for the server, depending on the dataType\n\t\tjqXHR.setRequestHeader(\n\t\t\t\"Accept\",\n\t\t\ts.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?\n\t\t\t\ts.accepts[ s.dataTypes[ 0 ] ] +\n\t\t\t\t\t( s.dataTypes[ 0 ] !== \"*\" ? \", \" + allTypes + \"; q=0.01\" : \"\" ) :\n\t\t\t\ts.accepts[ \"*\" ]\n\t\t);\n\n\t\t// Check for headers option\n\t\tfor ( i in s.headers ) {\n\t\t\tjqXHR.setRequestHeader( i, s.headers[ i ] );\n\t\t}\n\n\t\t// Allow custom headers/mimetypes and early abort\n\t\tif ( s.beforeSend &&\n\t\t\t( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {\n\n\t\t\t// Abort if not done already and return\n\t\t\treturn jqXHR.abort();\n\t\t}\n\n\t\t// Aborting is no longer a cancellation\n\t\tstrAbort = \"abort\";\n\n\t\t// Install callbacks on deferreds\n\t\tfor ( i in { success: 1, error: 1, complete: 1 } ) {\n\t\t\tjqXHR[ i ]( s[ i ] );\n\t\t}\n\n\t\t// Get transport\n\t\ttransport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );\n\n\t\t// If no transport, we auto-abort\n\t\tif ( !transport ) {\n\t\t\tdone( -1, \"No Transport\" );\n\t\t} else {\n\t\t\tjqXHR.readyState = 1;\n\n\t\t\t// Send global event\n\t\t\tif ( fireGlobals ) {\n\t\t\t\tglobalEventContext.trigger( \"ajaxSend\", [ jqXHR, s ] );\n\t\t\t}\n\n\t\t\t// If request was aborted inside ajaxSend, stop there\n\t\t\tif ( state === 2 ) {\n\t\t\t\treturn jqXHR;\n\t\t\t}\n\n\t\t\t// Timeout\n\t\t\tif ( s.async && s.timeout > 0 ) {\n\t\t\t\ttimeoutTimer = window.setTimeout( function() {\n\t\t\t\t\tjqXHR.abort( \"timeout\" );\n\t\t\t\t}, s.timeout );\n\t\t\t}\n\n\t\t\ttry {\n\t\t\t\tstate = 1;\n\t\t\t\ttransport.send( requestHeaders, done );\n\t\t\t} catch ( e ) {\n\n\t\t\t\t// Propagate exception as error if not done\n\t\t\t\tif ( state < 2 ) {\n\t\t\t\t\tdone( -1, e );\n\n\t\t\t\t// Simply rethrow otherwise\n\t\t\t\t} else {\n\t\t\t\t\tthrow e;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// Callback for when everything is done\n\t\tfunction done( status, nativeStatusText, responses, headers ) {\n\t\t\tvar isSuccess, success, error, response, modified,\n\t\t\t\tstatusText = nativeStatusText;\n\n\t\t\t// Called once\n\t\t\tif ( state === 2 ) {\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t// State is \"done\" now\n\t\t\tstate = 2;\n\n\t\t\t// Clear timeout if it exists\n\t\t\tif ( timeoutTimer ) {\n\t\t\t\twindow.clearTimeout( timeoutTimer );\n\t\t\t}\n\n\t\t\t// Dereference transport for early garbage collection\n\t\t\t// (no matter how long the jqXHR object will be used)\n\t\t\ttransport = undefined;\n\n\t\t\t// Cache response headers\n\t\t\tresponseHeadersString = headers || \"\";\n\n\t\t\t// Set readyState\n\t\t\tjqXHR.readyState = status > 0 ? 4 : 0;\n\n\t\t\t// Determine if successful\n\t\t\tisSuccess = status >= 200 && status < 300 || status === 304;\n\n\t\t\t// Get response data\n\t\t\tif ( responses ) {\n\t\t\t\tresponse = ajaxHandleResponses( s, jqXHR, responses );\n\t\t\t}\n\n\t\t\t// Convert no matter what (that way responseXXX fields are always set)\n\t\t\tresponse = ajaxConvert( s, response, jqXHR, isSuccess );\n\n\t\t\t// If successful, handle type chaining\n\t\t\tif ( isSuccess ) {\n\n\t\t\t\t// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.\n\t\t\t\tif ( s.ifModified ) {\n\t\t\t\t\tmodified = jqXHR.getResponseHeader( \"Last-Modified\" );\n\t\t\t\t\tif ( modified ) {\n\t\t\t\t\t\tjQuery.lastModified[ cacheURL ] = modified;\n\t\t\t\t\t}\n\t\t\t\t\tmodified = jqXHR.getResponseHeader( \"etag\" );\n\t\t\t\t\tif ( modified ) {\n\t\t\t\t\t\tjQuery.etag[ cacheURL ] = modified;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// if no content\n\t\t\t\tif ( status === 204 || s.type === \"HEAD\" ) {\n\t\t\t\t\tstatusText = \"nocontent\";\n\n\t\t\t\t// if not modified\n\t\t\t\t} else if ( status === 304 ) {\n\t\t\t\t\tstatusText = \"notmodified\";\n\n\t\t\t\t// If we have data, let's convert it\n\t\t\t\t} else {\n\t\t\t\t\tstatusText = response.state;\n\t\t\t\t\tsuccess = response.data;\n\t\t\t\t\terror = response.error;\n\t\t\t\t\tisSuccess = !error;\n\t\t\t\t}\n\t\t\t} else {\n\n\t\t\t\t// Extract error from statusText and normalize for non-aborts\n\t\t\t\terror = statusText;\n\t\t\t\tif ( status || !statusText ) {\n\t\t\t\t\tstatusText = \"error\";\n\t\t\t\t\tif ( status < 0 ) {\n\t\t\t\t\t\tstatus = 0;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Set data for the fake xhr object\n\t\t\tjqXHR.status = status;\n\t\t\tjqXHR.statusText = ( nativeStatusText || statusText ) + \"\";\n\n\t\t\t// Success/Error\n\t\t\tif ( isSuccess ) {\n\t\t\t\tdeferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );\n\t\t\t} else {\n\t\t\t\tdeferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );\n\t\t\t}\n\n\t\t\t// Status-dependent callbacks\n\t\t\tjqXHR.statusCode( statusCode );\n\t\t\tstatusCode = undefined;\n\n\t\t\tif ( fireGlobals ) {\n\t\t\t\tglobalEventContext.trigger( isSuccess ? \"ajaxSuccess\" : \"ajaxError\",\n\t\t\t\t\t[ jqXHR, s, isSuccess ? success : error ] );\n\t\t\t}\n\n\t\t\t// Complete\n\t\t\tcompleteDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );\n\n\t\t\tif ( fireGlobals ) {\n\t\t\t\tglobalEventContext.trigger( \"ajaxComplete\", [ jqXHR, s ] );\n\n\t\t\t\t// Handle the global AJAX counter\n\t\t\t\tif ( !( --jQuery.active ) ) {\n\t\t\t\t\tjQuery.event.trigger( \"ajaxStop\" );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn jqXHR;\n\t},\n\n\tgetJSON: function( url, data, callback ) {\n\t\treturn jQuery.get( url, data, callback, \"json\" );\n\t},\n\n\tgetScript: function( url, callback ) {\n\t\treturn jQuery.get( url, undefined, callback, \"script\" );\n\t}\n} );\n\njQuery.each( [ \"get\", \"post\" ], function( i, method ) {\n\tjQuery[ method ] = function( url, data, callback, type ) {\n\n\t\t// Shift arguments if data argument was omitted\n\t\tif ( jQuery.isFunction( data ) ) {\n\t\t\ttype = type || callback;\n\t\t\tcallback = data;\n\t\t\tdata = undefined;\n\t\t}\n\n\t\t// The url can be an options object (which then must have .url)\n\t\treturn jQuery.ajax( jQuery.extend( {\n\t\t\turl: url,\n\t\t\ttype: method,\n\t\t\tdataType: type,\n\t\t\tdata: data,\n\t\t\tsuccess: callback\n\t\t}, jQuery.isPlainObject( url ) && url ) );\n\t};\n} );\n\n\njQuery._evalUrl = function( url ) {\n\treturn jQuery.ajax( {\n\t\turl: url,\n\n\t\t// Make this explicit, since user can override this through ajaxSetup (#11264)\n\t\ttype: \"GET\",\n\t\tdataType: \"script\",\n\t\tasync: false,\n\t\tglobal: false,\n\t\t\"throws\": true\n\t} );\n};\n\n\njQuery.fn.extend( {\n\twrapAll: function( html ) {\n\t\tvar wrap;\n\n\t\tif ( jQuery.isFunction( html ) ) {\n\t\t\treturn this.each( function( i ) {\n\t\t\t\tjQuery( this ).wrapAll( html.call( this, i ) );\n\t\t\t} );\n\t\t}\n\n\t\tif ( this[ 0 ] ) {\n\n\t\t\t// The elements to wrap the target around\n\t\t\twrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );\n\n\t\t\tif ( this[ 0 ].parentNode ) {\n\t\t\t\twrap.insertBefore( this[ 0 ] );\n\t\t\t}\n\n\t\t\twrap.map( function() {\n\t\t\t\tvar elem = this;\n\n\t\t\t\twhile ( elem.firstElementChild ) {\n\t\t\t\t\telem = elem.firstElementChild;\n\t\t\t\t}\n\n\t\t\t\treturn elem;\n\t\t\t} ).append( this );\n\t\t}\n\n\t\treturn this;\n\t},\n\n\twrapInner: function( html ) {\n\t\tif ( jQuery.isFunction( html ) ) {\n\t\t\treturn this.each( function( i ) {\n\t\t\t\tjQuery( this ).wrapInner( html.call( this, i ) );\n\t\t\t} );\n\t\t}\n\n\t\treturn this.each( function() {\n\t\t\tvar self = jQuery( this ),\n\t\t\t\tcontents = self.contents();\n\n\t\t\tif ( contents.length ) {\n\t\t\t\tcontents.wrapAll( html );\n\n\t\t\t} else {\n\t\t\t\tself.append( html );\n\t\t\t}\n\t\t} );\n\t},\n\n\twrap: function( html ) {\n\t\tvar isFunction = jQuery.isFunction( html );\n\n\t\treturn this.each( function( i ) {\n\t\t\tjQuery( this ).wrapAll( isFunction ? html.call( this, i ) : html );\n\t\t} );\n\t},\n\n\tunwrap: function() {\n\t\treturn this.parent().each( function() {\n\t\t\tif ( !jQuery.nodeName( this, \"body\" ) ) {\n\t\t\t\tjQuery( this ).replaceWith( this.childNodes );\n\t\t\t}\n\t\t} ).end();\n\t}\n} );\n\n\njQuery.expr.filters.hidden = function( elem ) {\n\treturn !jQuery.expr.filters.visible( elem );\n};\njQuery.expr.filters.visible = function( elem ) {\n\n\t// Support: Opera <= 12.12\n\t// Opera reports offsetWidths and offsetHeights less than zero on some elements\n\t// Use OR instead of AND as the element is not visible if either is true\n\t// See tickets #10406 and #13132\n\treturn elem.offsetWidth > 0 || elem.offsetHeight > 0 || elem.getClientRects().length > 0;\n};\n\n\n\n\nvar r20 = /%20/g,\n\trbracket = /\\[\\]$/,\n\trCRLF = /\\r?\\n/g,\n\trsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,\n\trsubmittable = /^(?:input|select|textarea|keygen)/i;\n\nfunction buildParams( prefix, obj, traditional, add ) {\n\tvar name;\n\n\tif ( jQuery.isArray( obj ) ) {\n\n\t\t// Serialize array item.\n\t\tjQuery.each( obj, function( i, v ) {\n\t\t\tif ( traditional || rbracket.test( prefix ) ) {\n\n\t\t\t\t// Treat each array item as a scalar.\n\t\t\t\tadd( prefix, v );\n\n\t\t\t} else {\n\n\t\t\t\t// Item is non-scalar (array or object), encode its numeric index.\n\t\t\t\tbuildParams(\n\t\t\t\t\tprefix + \"[\" + ( typeof v === \"object\" && v != null ? i : \"\" ) + \"]\",\n\t\t\t\t\tv,\n\t\t\t\t\ttraditional,\n\t\t\t\t\tadd\n\t\t\t\t);\n\t\t\t}\n\t\t} );\n\n\t} else if ( !traditional && jQuery.type( obj ) === \"object\" ) {\n\n\t\t// Serialize object item.\n\t\tfor ( name in obj ) {\n\t\t\tbuildParams( prefix + \"[\" + name + \"]\", obj[ name ], traditional, add );\n\t\t}\n\n\t} else {\n\n\t\t// Serialize scalar item.\n\t\tadd( prefix, obj );\n\t}\n}\n\n// Serialize an array of form elements or a set of\n// key/values into a query string\njQuery.param = function( a, traditional ) {\n\tvar prefix,\n\t\ts = [],\n\t\tadd = function( key, value ) {\n\n\t\t\t// If value is a function, invoke it and return its value\n\t\t\tvalue = jQuery.isFunction( value ) ? value() : ( value == null ? \"\" : value );\n\t\t\ts[ s.length ] = encodeURIComponent( key ) + \"=\" + encodeURIComponent( value );\n\t\t};\n\n\t// Set traditional to true for jQuery <= 1.3.2 behavior.\n\tif ( traditional === undefined ) {\n\t\ttraditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;\n\t}\n\n\t// If an array was passed in, assume that it is an array of form elements.\n\tif ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {\n\n\t\t// Serialize the form elements\n\t\tjQuery.each( a, function() {\n\t\t\tadd( this.name, this.value );\n\t\t} );\n\n\t} else {\n\n\t\t// If traditional, encode the \"old\" way (the way 1.3.2 or older\n\t\t// did it), otherwise encode params recursively.\n\t\tfor ( prefix in a ) {\n\t\t\tbuildParams( prefix, a[ prefix ], traditional, add );\n\t\t}\n\t}\n\n\t// Return the resulting serialization\n\treturn s.join( \"&\" ).replace( r20, \"+\" );\n};\n\njQuery.fn.extend( {\n\tserialize: function() {\n\t\treturn jQuery.param( this.serializeArray() );\n\t},\n\tserializeArray: function() {\n\t\treturn this.map( function() {\n\n\t\t\t// Can add propHook for \"elements\" to filter or add form elements\n\t\t\tvar elements = jQuery.prop( this, \"elements\" );\n\t\t\treturn elements ? jQuery.makeArray( elements ) : this;\n\t\t} )\n\t\t.filter( function() {\n\t\t\tvar type = this.type;\n\n\t\t\t// Use .is( \":disabled\" ) so that fieldset[disabled] works\n\t\t\treturn this.name && !jQuery( this ).is( \":disabled\" ) &&\n\t\t\t\trsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&\n\t\t\t\t( this.checked || !rcheckableType.test( type ) );\n\t\t} )\n\t\t.map( function( i, elem ) {\n\t\t\tvar val = jQuery( this ).val();\n\n\t\t\treturn val == null ?\n\t\t\t\tnull :\n\t\t\t\tjQuery.isArray( val ) ?\n\t\t\t\t\tjQuery.map( val, function( val ) {\n\t\t\t\t\t\treturn { name: elem.name, value: val.replace( rCRLF, \"\\r\\n\" ) };\n\t\t\t\t\t} ) :\n\t\t\t\t\t{ name: elem.name, value: val.replace( rCRLF, \"\\r\\n\" ) };\n\t\t} ).get();\n\t}\n} );\n\n\njQuery.ajaxSettings.xhr = function() {\n\ttry {\n\t\treturn new window.XMLHttpRequest();\n\t} catch ( e ) {}\n};\n\nvar xhrSuccessStatus = {\n\n\t\t// File protocol always yields status code 0, assume 200\n\t\t0: 200,\n\n\t\t// Support: IE9\n\t\t// #1450: sometimes IE returns 1223 when it should be 204\n\t\t1223: 204\n\t},\n\txhrSupported = jQuery.ajaxSettings.xhr();\n\nsupport.cors = !!xhrSupported && ( \"withCredentials\" in xhrSupported );\nsupport.ajax = xhrSupported = !!xhrSupported;\n\njQuery.ajaxTransport( function( options ) {\n\tvar callback, errorCallback;\n\n\t// Cross domain only allowed if supported through XMLHttpRequest\n\tif ( support.cors || xhrSupported && !options.crossDomain ) {\n\t\treturn {\n\t\t\tsend: function( headers, complete ) {\n\t\t\t\tvar i,\n\t\t\t\t\txhr = options.xhr();\n\n\t\t\t\txhr.open(\n\t\t\t\t\toptions.type,\n\t\t\t\t\toptions.url,\n\t\t\t\t\toptions.async,\n\t\t\t\t\toptions.username,\n\t\t\t\t\toptions.password\n\t\t\t\t);\n\n\t\t\t\t// Apply custom fields if provided\n\t\t\t\tif ( options.xhrFields ) {\n\t\t\t\t\tfor ( i in options.xhrFields ) {\n\t\t\t\t\t\txhr[ i ] = options.xhrFields[ i ];\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Override mime type if needed\n\t\t\t\tif ( options.mimeType && xhr.overrideMimeType ) {\n\t\t\t\t\txhr.overrideMimeType( options.mimeType );\n\t\t\t\t}\n\n\t\t\t\t// X-Requested-With header\n\t\t\t\t// For cross-domain requests, seeing as conditions for a preflight are\n\t\t\t\t// akin to a jigsaw puzzle, we simply never set it to be sure.\n\t\t\t\t// (it can always be set on a per-request basis or even using ajaxSetup)\n\t\t\t\t// For same-domain requests, won't change header if already provided.\n\t\t\t\tif ( !options.crossDomain && !headers[ \"X-Requested-With\" ] ) {\n\t\t\t\t\theaders[ \"X-Requested-With\" ] = \"XMLHttpRequest\";\n\t\t\t\t}\n\n\t\t\t\t// Set headers\n\t\t\t\tfor ( i in headers ) {\n\t\t\t\t\txhr.setRequestHeader( i, headers[ i ] );\n\t\t\t\t}\n\n\t\t\t\t// Callback\n\t\t\t\tcallback = function( type ) {\n\t\t\t\t\treturn function() {\n\t\t\t\t\t\tif ( callback ) {\n\t\t\t\t\t\t\tcallback = errorCallback = xhr.onload =\n\t\t\t\t\t\t\t\txhr.onerror = xhr.onabort = xhr.onreadystatechange = null;\n\n\t\t\t\t\t\t\tif ( type === \"abort\" ) {\n\t\t\t\t\t\t\t\txhr.abort();\n\t\t\t\t\t\t\t} else if ( type === \"error\" ) {\n\n\t\t\t\t\t\t\t\t// Support: IE9\n\t\t\t\t\t\t\t\t// On a manual native abort, IE9 throws\n\t\t\t\t\t\t\t\t// errors on any property access that is not readyState\n\t\t\t\t\t\t\t\tif ( typeof xhr.status !== \"number\" ) {\n\t\t\t\t\t\t\t\t\tcomplete( 0, \"error\" );\n\t\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\t\tcomplete(\n\n\t\t\t\t\t\t\t\t\t\t// File: protocol always yields status 0; see #8605, #14207\n\t\t\t\t\t\t\t\t\t\txhr.status,\n\t\t\t\t\t\t\t\t\t\txhr.statusText\n\t\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\tcomplete(\n\t\t\t\t\t\t\t\t\txhrSuccessStatus[ xhr.status ] || xhr.status,\n\t\t\t\t\t\t\t\t\txhr.statusText,\n\n\t\t\t\t\t\t\t\t\t// Support: IE9 only\n\t\t\t\t\t\t\t\t\t// IE9 has no XHR2 but throws on binary (trac-11426)\n\t\t\t\t\t\t\t\t\t// For XHR2 non-text, let the caller handle it (gh-2498)\n\t\t\t\t\t\t\t\t\t( xhr.responseType || \"text\" ) !== \"text\"  ||\n\t\t\t\t\t\t\t\t\ttypeof xhr.responseText !== \"string\" ?\n\t\t\t\t\t\t\t\t\t\t{ binary: xhr.response } :\n\t\t\t\t\t\t\t\t\t\t{ text: xhr.responseText },\n\t\t\t\t\t\t\t\t\txhr.getAllResponseHeaders()\n\t\t\t\t\t\t\t\t);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\t\t\t\t};\n\n\t\t\t\t// Listen to events\n\t\t\t\txhr.onload = callback();\n\t\t\t\terrorCallback = xhr.onerror = callback( \"error\" );\n\n\t\t\t\t// Support: IE9\n\t\t\t\t// Use onreadystatechange to replace onabort\n\t\t\t\t// to handle uncaught aborts\n\t\t\t\tif ( xhr.onabort !== undefined ) {\n\t\t\t\t\txhr.onabort = errorCallback;\n\t\t\t\t} else {\n\t\t\t\t\txhr.onreadystatechange = function() {\n\n\t\t\t\t\t\t// Check readyState before timeout as it changes\n\t\t\t\t\t\tif ( xhr.readyState === 4 ) {\n\n\t\t\t\t\t\t\t// Allow onerror to be called first,\n\t\t\t\t\t\t\t// but that will not handle a native abort\n\t\t\t\t\t\t\t// Also, save errorCallback to a variable\n\t\t\t\t\t\t\t// as xhr.onerror cannot be accessed\n\t\t\t\t\t\t\twindow.setTimeout( function() {\n\t\t\t\t\t\t\t\tif ( callback ) {\n\t\t\t\t\t\t\t\t\terrorCallback();\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\t\t\t\t\t};\n\t\t\t\t}\n\n\t\t\t\t// Create the abort callback\n\t\t\t\tcallback = callback( \"abort\" );\n\n\t\t\t\ttry {\n\n\t\t\t\t\t// Do send the request (this may raise an exception)\n\t\t\t\t\txhr.send( options.hasContent && options.data || null );\n\t\t\t\t} catch ( e ) {\n\n\t\t\t\t\t// #14683: Only rethrow if this hasn't been notified as an error yet\n\t\t\t\t\tif ( callback ) {\n\t\t\t\t\t\tthrow e;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t},\n\n\t\t\tabort: function() {\n\t\t\t\tif ( callback ) {\n\t\t\t\t\tcallback();\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t}\n} );\n\n\n\n\n// Install script dataType\njQuery.ajaxSetup( {\n\taccepts: {\n\t\tscript: \"text/javascript, application/javascript, \" +\n\t\t\t\"application/ecmascript, application/x-ecmascript\"\n\t},\n\tcontents: {\n\t\tscript: /\\b(?:java|ecma)script\\b/\n\t},\n\tconverters: {\n\t\t\"text script\": function( text ) {\n\t\t\tjQuery.globalEval( text );\n\t\t\treturn text;\n\t\t}\n\t}\n} );\n\n// Handle cache's special case and crossDomain\njQuery.ajaxPrefilter( \"script\", function( s ) {\n\tif ( s.cache === undefined ) {\n\t\ts.cache = false;\n\t}\n\tif ( s.crossDomain ) {\n\t\ts.type = \"GET\";\n\t}\n} );\n\n// Bind script tag hack transport\njQuery.ajaxTransport( \"script\", function( s ) {\n\n\t// This transport only deals with cross domain requests\n\tif ( s.crossDomain ) {\n\t\tvar script, callback;\n\t\treturn {\n\t\t\tsend: function( _, complete ) {\n\t\t\t\tscript = jQuery( \"<script>\" ).prop( {\n\t\t\t\t\tcharset: s.scriptCharset,\n\t\t\t\t\tsrc: s.url\n\t\t\t\t} ).on(\n\t\t\t\t\t\"load error\",\n\t\t\t\t\tcallback = function( evt ) {\n\t\t\t\t\t\tscript.remove();\n\t\t\t\t\t\tcallback = null;\n\t\t\t\t\t\tif ( evt ) {\n\t\t\t\t\t\t\tcomplete( evt.type === \"error\" ? 404 : 200, evt.type );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t);\n\n\t\t\t\t// Use native DOM manipulation to avoid our domManip AJAX trickery\n\t\t\t\tdocument.head.appendChild( script[ 0 ] );\n\t\t\t},\n\t\t\tabort: function() {\n\t\t\t\tif ( callback ) {\n\t\t\t\t\tcallback();\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t}\n} );\n\n\n\n\nvar oldCallbacks = [],\n\trjsonp = /(=)\\?(?=&|$)|\\?\\?/;\n\n// Default jsonp settings\njQuery.ajaxSetup( {\n\tjsonp: \"callback\",\n\tjsonpCallback: function() {\n\t\tvar callback = oldCallbacks.pop() || ( jQuery.expando + \"_\" + ( nonce++ ) );\n\t\tthis[ callback ] = true;\n\t\treturn callback;\n\t}\n} );\n\n// Detect, normalize options and install callbacks for jsonp requests\njQuery.ajaxPrefilter( \"json jsonp\", function( s, originalSettings, jqXHR ) {\n\n\tvar callbackName, overwritten, responseContainer,\n\t\tjsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?\n\t\t\t\"url\" :\n\t\t\ttypeof s.data === \"string\" &&\n\t\t\t\t( s.contentType || \"\" )\n\t\t\t\t\t.indexOf( \"application/x-www-form-urlencoded\" ) === 0 &&\n\t\t\t\trjsonp.test( s.data ) && \"data\"\n\t\t);\n\n\t// Handle iff the expected data type is \"jsonp\" or we have a parameter to set\n\tif ( jsonProp || s.dataTypes[ 0 ] === \"jsonp\" ) {\n\n\t\t// Get callback name, remembering preexisting value associated with it\n\t\tcallbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?\n\t\t\ts.jsonpCallback() :\n\t\t\ts.jsonpCallback;\n\n\t\t// Insert callback into url or form data\n\t\tif ( jsonProp ) {\n\t\t\ts[ jsonProp ] = s[ jsonProp ].replace( rjsonp, \"$1\" + callbackName );\n\t\t} else if ( s.jsonp !== false ) {\n\t\t\ts.url += ( rquery.test( s.url ) ? \"&\" : \"?\" ) + s.jsonp + \"=\" + callbackName;\n\t\t}\n\n\t\t// Use data converter to retrieve json after script execution\n\t\ts.converters[ \"script json\" ] = function() {\n\t\t\tif ( !responseContainer ) {\n\t\t\t\tjQuery.error( callbackName + \" was not called\" );\n\t\t\t}\n\t\t\treturn responseContainer[ 0 ];\n\t\t};\n\n\t\t// Force json dataType\n\t\ts.dataTypes[ 0 ] = \"json\";\n\n\t\t// Install callback\n\t\toverwritten = window[ callbackName ];\n\t\twindow[ callbackName ] = function() {\n\t\t\tresponseContainer = arguments;\n\t\t};\n\n\t\t// Clean-up function (fires after converters)\n\t\tjqXHR.always( function() {\n\n\t\t\t// If previous value didn't exist - remove it\n\t\t\tif ( overwritten === undefined ) {\n\t\t\t\tjQuery( window ).removeProp( callbackName );\n\n\t\t\t// Otherwise restore preexisting value\n\t\t\t} else {\n\t\t\t\twindow[ callbackName ] = overwritten;\n\t\t\t}\n\n\t\t\t// Save back as free\n\t\t\tif ( s[ callbackName ] ) {\n\n\t\t\t\t// Make sure that re-using the options doesn't screw things around\n\t\t\t\ts.jsonpCallback = originalSettings.jsonpCallback;\n\n\t\t\t\t// Save the callback name for future use\n\t\t\t\toldCallbacks.push( callbackName );\n\t\t\t}\n\n\t\t\t// Call if it was a function and we have a response\n\t\t\tif ( responseContainer && jQuery.isFunction( overwritten ) ) {\n\t\t\t\toverwritten( responseContainer[ 0 ] );\n\t\t\t}\n\n\t\t\tresponseContainer = overwritten = undefined;\n\t\t} );\n\n\t\t// Delegate to script\n\t\treturn \"script\";\n\t}\n} );\n\n\n\n\n// Support: Safari 8+\n// In Safari 8 documents created via document.implementation.createHTMLDocument\n// collapse sibling forms: the second one becomes a child of the first one.\n// Because of that, this security measure has to be disabled in Safari 8.\n// https://bugs.webkit.org/show_bug.cgi?id=137337\nsupport.createHTMLDocument = ( function() {\n\tvar body = document.implementation.createHTMLDocument( \"\" ).body;\n\tbody.innerHTML = \"<form></form><form></form>\";\n\treturn body.childNodes.length === 2;\n} )();\n\n\n// Argument \"data\" should be string of html\n// context (optional): If specified, the fragment will be created in this context,\n// defaults to document\n// keepScripts (optional): If true, will include scripts passed in the html string\njQuery.parseHTML = function( data, context, keepScripts ) {\n\tif ( !data || typeof data !== \"string\" ) {\n\t\treturn null;\n\t}\n\tif ( typeof context === \"boolean\" ) {\n\t\tkeepScripts = context;\n\t\tcontext = false;\n\t}\n\n\t// Stop scripts or inline event handlers from being executed immediately\n\t// by using document.implementation\n\tcontext = context || ( support.createHTMLDocument ?\n\t\tdocument.implementation.createHTMLDocument( \"\" ) :\n\t\tdocument );\n\n\tvar parsed = rsingleTag.exec( data ),\n\t\tscripts = !keepScripts && [];\n\n\t// Single tag\n\tif ( parsed ) {\n\t\treturn [ context.createElement( parsed[ 1 ] ) ];\n\t}\n\n\tparsed = buildFragment( [ data ], context, scripts );\n\n\tif ( scripts && scripts.length ) {\n\t\tjQuery( scripts ).remove();\n\t}\n\n\treturn jQuery.merge( [], parsed.childNodes );\n};\n\n\n// Keep a copy of the old load method\nvar _load = jQuery.fn.load;\n\n/**\n * Load a url into a page\n */\njQuery.fn.load = function( url, params, callback ) {\n\tif ( typeof url !== \"string\" && _load ) {\n\t\treturn _load.apply( this, arguments );\n\t}\n\n\tvar selector, type, response,\n\t\tself = this,\n\t\toff = url.indexOf( \" \" );\n\n\tif ( off > -1 ) {\n\t\tselector = jQuery.trim( url.slice( off ) );\n\t\turl = url.slice( 0, off );\n\t}\n\n\t// If it's a function\n\tif ( jQuery.isFunction( params ) ) {\n\n\t\t// We assume that it's the callback\n\t\tcallback = params;\n\t\tparams = undefined;\n\n\t// Otherwise, build a param string\n\t} else if ( params && typeof params === \"object\" ) {\n\t\ttype = \"POST\";\n\t}\n\n\t// If we have elements to modify, make the request\n\tif ( self.length > 0 ) {\n\t\tjQuery.ajax( {\n\t\t\turl: url,\n\n\t\t\t// If \"type\" variable is undefined, then \"GET\" method will be used.\n\t\t\t// Make value of this field explicit since\n\t\t\t// user can override it through ajaxSetup method\n\t\t\ttype: type || \"GET\",\n\t\t\tdataType: \"html\",\n\t\t\tdata: params\n\t\t} ).done( function( responseText ) {\n\n\t\t\t// Save response for use in complete callback\n\t\t\tresponse = arguments;\n\n\t\t\tself.html( selector ?\n\n\t\t\t\t// If a selector was specified, locate the right elements in a dummy div\n\t\t\t\t// Exclude scripts to avoid IE 'Permission Denied' errors\n\t\t\t\tjQuery( \"<div>\" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :\n\n\t\t\t\t// Otherwise use the full result\n\t\t\t\tresponseText );\n\n\t\t// If the request succeeds, this function gets \"data\", \"status\", \"jqXHR\"\n\t\t// but they are ignored because response was set above.\n\t\t// If it fails, this function gets \"jqXHR\", \"status\", \"error\"\n\t\t} ).always( callback && function( jqXHR, status ) {\n\t\t\tself.each( function() {\n\t\t\t\tcallback.apply( self, response || [ jqXHR.responseText, status, jqXHR ] );\n\t\t\t} );\n\t\t} );\n\t}\n\n\treturn this;\n};\n\n\n\n\n// Attach a bunch of functions for handling common AJAX events\njQuery.each( [\n\t\"ajaxStart\",\n\t\"ajaxStop\",\n\t\"ajaxComplete\",\n\t\"ajaxError\",\n\t\"ajaxSuccess\",\n\t\"ajaxSend\"\n], function( i, type ) {\n\tjQuery.fn[ type ] = function( fn ) {\n\t\treturn this.on( type, fn );\n\t};\n} );\n\n\n\n\njQuery.expr.filters.animated = function( elem ) {\n\treturn jQuery.grep( jQuery.timers, function( fn ) {\n\t\treturn elem === fn.elem;\n\t} ).length;\n};\n\n\n\n\n/**\n * Gets a window from an element\n */\nfunction getWindow( elem ) {\n\treturn jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView;\n}\n\njQuery.offset = {\n\tsetOffset: function( elem, options, i ) {\n\t\tvar curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,\n\t\t\tposition = jQuery.css( elem, \"position\" ),\n\t\t\tcurElem = jQuery( elem ),\n\t\t\tprops = {};\n\n\t\t// Set position first, in-case top/left are set even on static elem\n\t\tif ( position === \"static\" ) {\n\t\t\telem.style.position = \"relative\";\n\t\t}\n\n\t\tcurOffset = curElem.offset();\n\t\tcurCSSTop = jQuery.css( elem, \"top\" );\n\t\tcurCSSLeft = jQuery.css( elem, \"left\" );\n\t\tcalculatePosition = ( position === \"absolute\" || position === \"fixed\" ) &&\n\t\t\t( curCSSTop + curCSSLeft ).indexOf( \"auto\" ) > -1;\n\n\t\t// Need to be able to calculate position if either\n\t\t// top or left is auto and position is either absolute or fixed\n\t\tif ( calculatePosition ) {\n\t\t\tcurPosition = curElem.position();\n\t\t\tcurTop = curPosition.top;\n\t\t\tcurLeft = curPosition.left;\n\n\t\t} else {\n\t\t\tcurTop = parseFloat( curCSSTop ) || 0;\n\t\t\tcurLeft = parseFloat( curCSSLeft ) || 0;\n\t\t}\n\n\t\tif ( jQuery.isFunction( options ) ) {\n\n\t\t\t// Use jQuery.extend here to allow modification of coordinates argument (gh-1848)\n\t\t\toptions = options.call( elem, i, jQuery.extend( {}, curOffset ) );\n\t\t}\n\n\t\tif ( options.top != null ) {\n\t\t\tprops.top = ( options.top - curOffset.top ) + curTop;\n\t\t}\n\t\tif ( options.left != null ) {\n\t\t\tprops.left = ( options.left - curOffset.left ) + curLeft;\n\t\t}\n\n\t\tif ( \"using\" in options ) {\n\t\t\toptions.using.call( elem, props );\n\n\t\t} else {\n\t\t\tcurElem.css( props );\n\t\t}\n\t}\n};\n\njQuery.fn.extend( {\n\toffset: function( options ) {\n\t\tif ( arguments.length ) {\n\t\t\treturn options === undefined ?\n\t\t\t\tthis :\n\t\t\t\tthis.each( function( i ) {\n\t\t\t\t\tjQuery.offset.setOffset( this, options, i );\n\t\t\t\t} );\n\t\t}\n\n\t\tvar docElem, win,\n\t\t\telem = this[ 0 ],\n\t\t\tbox = { top: 0, left: 0 },\n\t\t\tdoc = elem && elem.ownerDocument;\n\n\t\tif ( !doc ) {\n\t\t\treturn;\n\t\t}\n\n\t\tdocElem = doc.documentElement;\n\n\t\t// Make sure it's not a disconnected DOM node\n\t\tif ( !jQuery.contains( docElem, elem ) ) {\n\t\t\treturn box;\n\t\t}\n\n\t\tbox = elem.getBoundingClientRect();\n\t\twin = getWindow( doc );\n\t\treturn {\n\t\t\ttop: box.top + win.pageYOffset - docElem.clientTop,\n\t\t\tleft: box.left + win.pageXOffset - docElem.clientLeft\n\t\t};\n\t},\n\n\tposition: function() {\n\t\tif ( !this[ 0 ] ) {\n\t\t\treturn;\n\t\t}\n\n\t\tvar offsetParent, offset,\n\t\t\telem = this[ 0 ],\n\t\t\tparentOffset = { top: 0, left: 0 };\n\n\t\t// Fixed elements are offset from window (parentOffset = {top:0, left: 0},\n\t\t// because it is its only offset parent\n\t\tif ( jQuery.css( elem, \"position\" ) === \"fixed\" ) {\n\n\t\t\t// Assume getBoundingClientRect is there when computed position is fixed\n\t\t\toffset = elem.getBoundingClientRect();\n\n\t\t} else {\n\n\t\t\t// Get *real* offsetParent\n\t\t\toffsetParent = this.offsetParent();\n\n\t\t\t// Get correct offsets\n\t\t\toffset = this.offset();\n\t\t\tif ( !jQuery.nodeName( offsetParent[ 0 ], \"html\" ) ) {\n\t\t\t\tparentOffset = offsetParent.offset();\n\t\t\t}\n\n\t\t\t// Add offsetParent borders\n\t\t\t// Subtract offsetParent scroll positions\n\t\t\tparentOffset.top += jQuery.css( offsetParent[ 0 ], \"borderTopWidth\", true ) -\n\t\t\t\toffsetParent.scrollTop();\n\t\t\tparentOffset.left += jQuery.css( offsetParent[ 0 ], \"borderLeftWidth\", true ) -\n\t\t\t\toffsetParent.scrollLeft();\n\t\t}\n\n\t\t// Subtract parent offsets and element margins\n\t\treturn {\n\t\t\ttop: offset.top - parentOffset.top - jQuery.css( elem, \"marginTop\", true ),\n\t\t\tleft: offset.left - parentOffset.left - jQuery.css( elem, \"marginLeft\", true )\n\t\t};\n\t},\n\n\t// This method will return documentElement in the following cases:\n\t// 1) For the element inside the iframe without offsetParent, this method will return\n\t//    documentElement of the parent window\n\t// 2) For the hidden or detached element\n\t// 3) For body or html element, i.e. in case of the html node - it will return itself\n\t//\n\t// but those exceptions were never presented as a real life use-cases\n\t// and might be considered as more preferable results.\n\t//\n\t// This logic, however, is not guaranteed and can change at any point in the future\n\toffsetParent: function() {\n\t\treturn this.map( function() {\n\t\t\tvar offsetParent = this.offsetParent;\n\n\t\t\twhile ( offsetParent && jQuery.css( offsetParent, \"position\" ) === \"static\" ) {\n\t\t\t\toffsetParent = offsetParent.offsetParent;\n\t\t\t}\n\n\t\t\treturn offsetParent || documentElement;\n\t\t} );\n\t}\n} );\n\n// Create scrollLeft and scrollTop methods\njQuery.each( { scrollLeft: \"pageXOffset\", scrollTop: \"pageYOffset\" }, function( method, prop ) {\n\tvar top = \"pageYOffset\" === prop;\n\n\tjQuery.fn[ method ] = function( val ) {\n\t\treturn access( this, function( elem, method, val ) {\n\t\t\tvar win = getWindow( elem );\n\n\t\t\tif ( val === undefined ) {\n\t\t\t\treturn win ? win[ prop ] : elem[ method ];\n\t\t\t}\n\n\t\t\tif ( win ) {\n\t\t\t\twin.scrollTo(\n\t\t\t\t\t!top ? val : win.pageXOffset,\n\t\t\t\t\ttop ? val : win.pageYOffset\n\t\t\t\t);\n\n\t\t\t} else {\n\t\t\t\telem[ method ] = val;\n\t\t\t}\n\t\t}, method, val, arguments.length );\n\t};\n} );\n\n// Support: Safari<7-8+, Chrome<37-44+\n// Add the top/left cssHooks using jQuery.fn.position\n// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084\n// Blink bug: https://code.google.com/p/chromium/issues/detail?id=229280\n// getComputedStyle returns percent when specified for top/left/bottom/right;\n// rather than make the css module depend on the offset module, just check for it here\njQuery.each( [ \"top\", \"left\" ], function( i, prop ) {\n\tjQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,\n\t\tfunction( elem, computed ) {\n\t\t\tif ( computed ) {\n\t\t\t\tcomputed = curCSS( elem, prop );\n\n\t\t\t\t// If curCSS returns percentage, fallback to offset\n\t\t\t\treturn rnumnonpx.test( computed ) ?\n\t\t\t\t\tjQuery( elem ).position()[ prop ] + \"px\" :\n\t\t\t\t\tcomputed;\n\t\t\t}\n\t\t}\n\t);\n} );\n\n\n// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods\njQuery.each( { Height: \"height\", Width: \"width\" }, function( name, type ) {\n\tjQuery.each( { padding: \"inner\" + name, content: type, \"\": \"outer\" + name },\n\t\tfunction( defaultExtra, funcName ) {\n\n\t\t// Margin is only for outerHeight, outerWidth\n\t\tjQuery.fn[ funcName ] = function( margin, value ) {\n\t\t\tvar chainable = arguments.length && ( defaultExtra || typeof margin !== \"boolean\" ),\n\t\t\t\textra = defaultExtra || ( margin === true || value === true ? \"margin\" : \"border\" );\n\n\t\t\treturn access( this, function( elem, type, value ) {\n\t\t\t\tvar doc;\n\n\t\t\t\tif ( jQuery.isWindow( elem ) ) {\n\n\t\t\t\t\t// As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there\n\t\t\t\t\t// isn't a whole lot we can do. See pull request at this URL for discussion:\n\t\t\t\t\t// https://github.com/jquery/jquery/pull/764\n\t\t\t\t\treturn elem.document.documentElement[ \"client\" + name ];\n\t\t\t\t}\n\n\t\t\t\t// Get document width or height\n\t\t\t\tif ( elem.nodeType === 9 ) {\n\t\t\t\t\tdoc = elem.documentElement;\n\n\t\t\t\t\t// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],\n\t\t\t\t\t// whichever is greatest\n\t\t\t\t\treturn Math.max(\n\t\t\t\t\t\telem.body[ \"scroll\" + name ], doc[ \"scroll\" + name ],\n\t\t\t\t\t\telem.body[ \"offset\" + name ], doc[ \"offset\" + name ],\n\t\t\t\t\t\tdoc[ \"client\" + name ]\n\t\t\t\t\t);\n\t\t\t\t}\n\n\t\t\t\treturn value === undefined ?\n\n\t\t\t\t\t// Get width or height on the element, requesting but not forcing parseFloat\n\t\t\t\t\tjQuery.css( elem, type, extra ) :\n\n\t\t\t\t\t// Set width or height on the element\n\t\t\t\t\tjQuery.style( elem, type, value, extra );\n\t\t\t}, type, chainable ? margin : undefined, chainable, null );\n\t\t};\n\t} );\n} );\n\n\njQuery.fn.extend( {\n\n\tbind: function( types, data, fn ) {\n\t\treturn this.on( types, null, data, fn );\n\t},\n\tunbind: function( types, fn ) {\n\t\treturn this.off( types, null, fn );\n\t},\n\n\tdelegate: function( selector, types, data, fn ) {\n\t\treturn this.on( types, selector, data, fn );\n\t},\n\tundelegate: function( selector, types, fn ) {\n\n\t\t// ( namespace ) or ( selector, types [, fn] )\n\t\treturn arguments.length === 1 ?\n\t\t\tthis.off( selector, \"**\" ) :\n\t\t\tthis.off( types, selector || \"**\", fn );\n\t},\n\tsize: function() {\n\t\treturn this.length;\n\t}\n} );\n\njQuery.fn.andSelf = jQuery.fn.addBack;\n\n\n\n\n// Register as a named AMD module, since jQuery can be concatenated with other\n// files that may use define, but not via a proper concatenation script that\n// understands anonymous AMD modules. A named AMD is safest and most robust\n// way to register. Lowercase jquery is used because AMD module names are\n// derived from file names, and jQuery is normally delivered in a lowercase\n// file name. Do this after creating the global so that if an AMD module wants\n// to call noConflict to hide this version of jQuery, it will work.\n\n// Note that for maximum portability, libraries that are not jQuery should\n// declare themselves as anonymous modules, and avoid setting a global if an\n// AMD loader is present. jQuery is a special case. For more information, see\n// https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon\n\nif ( typeof define === \"function\" && define.amd ) {\n\tdefine( \"jquery\", [], function() {\n\t\treturn jQuery;\n\t} );\n}\n\n\n\nvar\n\n\t// Map over jQuery in case of overwrite\n\t_jQuery = window.jQuery,\n\n\t// Map over the $ in case of overwrite\n\t_$ = window.$;\n\njQuery.noConflict = function( deep ) {\n\tif ( window.$ === jQuery ) {\n\t\twindow.$ = _$;\n\t}\n\n\tif ( deep && window.jQuery === jQuery ) {\n\t\twindow.jQuery = _jQuery;\n\t}\n\n\treturn jQuery;\n};\n\n// Expose jQuery and $ identifiers, even in AMD\n// (#7102#comment:10, https://github.com/jquery/jquery/pull/557)\n// and CommonJS for browser emulators (#13566)\nif ( !noGlobal ) {\n\twindow.jQuery = window.$ = jQuery;\n}\n\nreturn jQuery;\n}));\n","/* ========================================================================\n * Bootstrap: alert.js v3.3.6\n * http://getbootstrap.com/javascript/#alerts\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // ALERT CLASS DEFINITION\n  // ======================\n\n  var dismiss = '[data-dismiss=\"alert\"]'\n  var Alert   = function (el) {\n    $(el).on('click', dismiss, this.close)\n  }\n\n  Alert.VERSION = '3.3.6'\n\n  Alert.TRANSITION_DURATION = 150\n\n  Alert.prototype.close = function (e) {\n    var $this    = $(this)\n    var selector = $this.attr('data-target')\n\n    if (!selector) {\n      selector = $this.attr('href')\n      selector = selector && selector.replace(/.*(?=#[^\\s]*$)/, '') // strip for ie7\n    }\n\n    var $parent = $(selector)\n\n    if (e) e.preventDefault()\n\n    if (!$parent.length) {\n      $parent = $this.closest('.alert')\n    }\n\n    $parent.trigger(e = $.Event('close.bs.alert'))\n\n    if (e.isDefaultPrevented()) return\n\n    $parent.removeClass('in')\n\n    function removeElement() {\n      // detach from parent, fire event then clean up data\n      $parent.detach().trigger('closed.bs.alert').remove()\n    }\n\n    $.support.transition && $parent.hasClass('fade') ?\n      $parent\n        .one('bsTransitionEnd', removeElement)\n        .emulateTransitionEnd(Alert.TRANSITION_DURATION) :\n      removeElement()\n  }\n\n\n  // ALERT PLUGIN DEFINITION\n  // =======================\n\n  function Plugin(option) {\n    return this.each(function () {\n      var $this = $(this)\n      var data  = $this.data('bs.alert')\n\n      if (!data) $this.data('bs.alert', (data = new Alert(this)))\n      if (typeof option == 'string') data[option].call($this)\n    })\n  }\n\n  var old = $.fn.alert\n\n  $.fn.alert             = Plugin\n  $.fn.alert.Constructor = Alert\n\n\n  // ALERT NO CONFLICT\n  // =================\n\n  $.fn.alert.noConflict = function () {\n    $.fn.alert = old\n    return this\n  }\n\n\n  // ALERT DATA-API\n  // ==============\n\n  $(document).on('click.bs.alert.data-api', dismiss, Alert.prototype.close)\n\n}(jQuery);\n","/* ========================================================================\n * Bootstrap: button.js v3.3.6\n * http://getbootstrap.com/javascript/#buttons\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // BUTTON PUBLIC CLASS DEFINITION\n  // ==============================\n\n  var Button = function (element, options) {\n    this.$element  = $(element)\n    this.options   = $.extend({}, Button.DEFAULTS, options)\n    this.isLoading = false\n  }\n\n  Button.VERSION  = '3.3.6'\n\n  Button.DEFAULTS = {\n    loadingText: 'loading...'\n  }\n\n  Button.prototype.setState = function (state) {\n    var d    = 'disabled'\n    var $el  = this.$element\n    var val  = $el.is('input') ? 'val' : 'html'\n    var data = $el.data()\n\n    state += 'Text'\n\n    if (data.resetText == null) $el.data('resetText', $el[val]())\n\n    // push to event loop to allow forms to submit\n    setTimeout($.proxy(function () {\n      $el[val](data[state] == null ? this.options[state] : data[state])\n\n      if (state == 'loadingText') {\n        this.isLoading = true\n        $el.addClass(d).attr(d, d)\n      } else if (this.isLoading) {\n        this.isLoading = false\n        $el.removeClass(d).removeAttr(d)\n      }\n    }, this), 0)\n  }\n\n  Button.prototype.toggle = function () {\n    var changed = true\n    var $parent = this.$element.closest('[data-toggle=\"buttons\"]')\n\n    if ($parent.length) {\n      var $input = this.$element.find('input')\n      if ($input.prop('type') == 'radio') {\n        if ($input.prop('checked')) changed = false\n        $parent.find('.active').removeClass('active')\n        this.$element.addClass('active')\n      } else if ($input.prop('type') == 'checkbox') {\n        if (($input.prop('checked')) !== this.$element.hasClass('active')) changed = false\n        this.$element.toggleClass('active')\n      }\n      $input.prop('checked', this.$element.hasClass('active'))\n      if (changed) $input.trigger('change')\n    } else {\n      this.$element.attr('aria-pressed', !this.$element.hasClass('active'))\n      this.$element.toggleClass('active')\n    }\n  }\n\n\n  // BUTTON PLUGIN DEFINITION\n  // ========================\n\n  function Plugin(option) {\n    return this.each(function () {\n      var $this   = $(this)\n      var data    = $this.data('bs.button')\n      var options = typeof option == 'object' && option\n\n      if (!data) $this.data('bs.button', (data = new Button(this, options)))\n\n      if (option == 'toggle') data.toggle()\n      else if (option) data.setState(option)\n    })\n  }\n\n  var old = $.fn.button\n\n  $.fn.button             = Plugin\n  $.fn.button.Constructor = Button\n\n\n  // BUTTON NO CONFLICT\n  // ==================\n\n  $.fn.button.noConflict = function () {\n    $.fn.button = old\n    return this\n  }\n\n\n  // BUTTON DATA-API\n  // ===============\n\n  $(document)\n    .on('click.bs.button.data-api', '[data-toggle^=\"button\"]', function (e) {\n      var $btn = $(e.target)\n      if (!$btn.hasClass('btn')) $btn = $btn.closest('.btn')\n      Plugin.call($btn, 'toggle')\n      if (!($(e.target).is('input[type=\"radio\"]') || $(e.target).is('input[type=\"checkbox\"]'))) e.preventDefault()\n    })\n    .on('focus.bs.button.data-api blur.bs.button.data-api', '[data-toggle^=\"button\"]', function (e) {\n      $(e.target).closest('.btn').toggleClass('focus', /^focus(in)?$/.test(e.type))\n    })\n\n}(jQuery);\n","/* ========================================================================\n * Bootstrap: collapse.js v3.3.6\n * http://getbootstrap.com/javascript/#collapse\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // COLLAPSE PUBLIC CLASS DEFINITION\n  // ================================\n\n  var Collapse = function (element, options) {\n    this.$element      = $(element)\n    this.options       = $.extend({}, Collapse.DEFAULTS, options)\n    this.$trigger      = $('[data-toggle=\"collapse\"][href=\"#' + element.id + '\"],' +\n                           '[data-toggle=\"collapse\"][data-target=\"#' + element.id + '\"]')\n    this.transitioning = null\n\n    if (this.options.parent) {\n      this.$parent = this.getParent()\n    } else {\n      this.addAriaAndCollapsedClass(this.$element, this.$trigger)\n    }\n\n    if (this.options.toggle) this.toggle()\n  }\n\n  Collapse.VERSION  = '3.3.6'\n\n  Collapse.TRANSITION_DURATION = 350\n\n  Collapse.DEFAULTS = {\n    toggle: true\n  }\n\n  Collapse.prototype.dimension = function () {\n    var hasWidth = this.$element.hasClass('width')\n    return hasWidth ? 'width' : 'height'\n  }\n\n  Collapse.prototype.show = function () {\n    if (this.transitioning || this.$element.hasClass('in')) return\n\n    var activesData\n    var actives = this.$parent && this.$parent.children('.panel').children('.in, .collapsing')\n\n    if (actives && actives.length) {\n      activesData = actives.data('bs.collapse')\n      if (activesData && activesData.transitioning) return\n    }\n\n    var startEvent = $.Event('show.bs.collapse')\n    this.$element.trigger(startEvent)\n    if (startEvent.isDefaultPrevented()) return\n\n    if (actives && actives.length) {\n      Plugin.call(actives, 'hide')\n      activesData || actives.data('bs.collapse', null)\n    }\n\n    var dimension = this.dimension()\n\n    this.$element\n      .removeClass('collapse')\n      .addClass('collapsing')[dimension](0)\n      .attr('aria-expanded', true)\n\n    this.$trigger\n      .removeClass('collapsed')\n      .attr('aria-expanded', true)\n\n    this.transitioning = 1\n\n    var complete = function () {\n      this.$element\n        .removeClass('collapsing')\n        .addClass('collapse in')[dimension]('')\n      this.transitioning = 0\n      this.$element\n        .trigger('shown.bs.collapse')\n    }\n\n    if (!$.support.transition) return complete.call(this)\n\n    var scrollSize = $.camelCase(['scroll', dimension].join('-'))\n\n    this.$element\n      .one('bsTransitionEnd', $.proxy(complete, this))\n      .emulateTransitionEnd(Collapse.TRANSITION_DURATION)[dimension](this.$element[0][scrollSize])\n  }\n\n  Collapse.prototype.hide = function () {\n    if (this.transitioning || !this.$element.hasClass('in')) return\n\n    var startEvent = $.Event('hide.bs.collapse')\n    this.$element.trigger(startEvent)\n    if (startEvent.isDefaultPrevented()) return\n\n    var dimension = this.dimension()\n\n    this.$element[dimension](this.$element[dimension]())[0].offsetHeight\n\n    this.$element\n      .addClass('collapsing')\n      .removeClass('collapse in')\n      .attr('aria-expanded', false)\n\n    this.$trigger\n      .addClass('collapsed')\n      .attr('aria-expanded', false)\n\n    this.transitioning = 1\n\n    var complete = function () {\n      this.transitioning = 0\n      this.$element\n        .removeClass('collapsing')\n        .addClass('collapse')\n        .trigger('hidden.bs.collapse')\n    }\n\n    if (!$.support.transition) return complete.call(this)\n\n    this.$element\n      [dimension](0)\n      .one('bsTransitionEnd', $.proxy(complete, this))\n      .emulateTransitionEnd(Collapse.TRANSITION_DURATION)\n  }\n\n  Collapse.prototype.toggle = function () {\n    this[this.$element.hasClass('in') ? 'hide' : 'show']()\n  }\n\n  Collapse.prototype.getParent = function () {\n    return $(this.options.parent)\n      .find('[data-toggle=\"collapse\"][data-parent=\"' + this.options.parent + '\"]')\n      .each($.proxy(function (i, element) {\n        var $element = $(element)\n        this.addAriaAndCollapsedClass(getTargetFromTrigger($element), $element)\n      }, this))\n      .end()\n  }\n\n  Collapse.prototype.addAriaAndCollapsedClass = function ($element, $trigger) {\n    var isOpen = $element.hasClass('in')\n\n    $element.attr('aria-expanded', isOpen)\n    $trigger\n      .toggleClass('collapsed', !isOpen)\n      .attr('aria-expanded', isOpen)\n  }\n\n  function getTargetFromTrigger($trigger) {\n    var href\n    var target = $trigger.attr('data-target')\n      || (href = $trigger.attr('href')) && href.replace(/.*(?=#[^\\s]+$)/, '') // strip for ie7\n\n    return $(target)\n  }\n\n\n  // COLLAPSE PLUGIN DEFINITION\n  // ==========================\n\n  function Plugin(option) {\n    return this.each(function () {\n      var $this   = $(this)\n      var data    = $this.data('bs.collapse')\n      var options = $.extend({}, Collapse.DEFAULTS, $this.data(), typeof option == 'object' && option)\n\n      if (!data && options.toggle && /show|hide/.test(option)) options.toggle = false\n      if (!data) $this.data('bs.collapse', (data = new Collapse(this, options)))\n      if (typeof option == 'string') data[option]()\n    })\n  }\n\n  var old = $.fn.collapse\n\n  $.fn.collapse             = Plugin\n  $.fn.collapse.Constructor = Collapse\n\n\n  // COLLAPSE NO CONFLICT\n  // ====================\n\n  $.fn.collapse.noConflict = function () {\n    $.fn.collapse = old\n    return this\n  }\n\n\n  // COLLAPSE DATA-API\n  // =================\n\n  $(document).on('click.bs.collapse.data-api', '[data-toggle=\"collapse\"]', function (e) {\n    var $this   = $(this)\n\n    if (!$this.attr('data-target')) e.preventDefault()\n\n    var $target = getTargetFromTrigger($this)\n    var data    = $target.data('bs.collapse')\n    var option  = data ? 'toggle' : $this.data()\n\n    Plugin.call($target, option)\n  })\n\n}(jQuery);\n","/* ========================================================================\n * Bootstrap: dropdown.js v3.3.6\n * http://getbootstrap.com/javascript/#dropdowns\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // DROPDOWN CLASS DEFINITION\n  // =========================\n\n  var backdrop = '.dropdown-backdrop'\n  var toggle   = '[data-toggle=\"dropdown\"]'\n  var Dropdown = function (element) {\n    $(element).on('click.bs.dropdown', this.toggle)\n  }\n\n  Dropdown.VERSION = '3.3.6'\n\n  function getParent($this) {\n    var selector = $this.attr('data-target')\n\n    if (!selector) {\n      selector = $this.attr('href')\n      selector = selector && /#[A-Za-z]/.test(selector) && selector.replace(/.*(?=#[^\\s]*$)/, '') // strip for ie7\n    }\n\n    var $parent = selector && $(selector)\n\n    return $parent && $parent.length ? $parent : $this.parent()\n  }\n\n  function clearMenus(e) {\n    if (e && e.which === 3) return\n    $(backdrop).remove()\n    $(toggle).each(function () {\n      var $this         = $(this)\n      var $parent       = getParent($this)\n      var relatedTarget = { relatedTarget: this }\n\n      if (!$parent.hasClass('open')) return\n\n      if (e && e.type == 'click' && /input|textarea/i.test(e.target.tagName) && $.contains($parent[0], e.target)) return\n\n      $parent.trigger(e = $.Event('hide.bs.dropdown', relatedTarget))\n\n      if (e.isDefaultPrevented()) return\n\n      $this.attr('aria-expanded', 'false')\n      $parent.removeClass('open').trigger($.Event('hidden.bs.dropdown', relatedTarget))\n    })\n  }\n\n  Dropdown.prototype.toggle = function (e) {\n    var $this = $(this)\n\n    if ($this.is('.disabled, :disabled')) return\n\n    var $parent  = getParent($this)\n    var isActive = $parent.hasClass('open')\n\n    clearMenus()\n\n    if (!isActive) {\n      if ('ontouchstart' in document.documentElement && !$parent.closest('.navbar-nav').length) {\n        // if mobile we use a backdrop because click events don't delegate\n        $(document.createElement('div'))\n          .addClass('dropdown-backdrop')\n          .insertAfter($(this))\n          .on('click', clearMenus)\n      }\n\n      var relatedTarget = { relatedTarget: this }\n      $parent.trigger(e = $.Event('show.bs.dropdown', relatedTarget))\n\n      if (e.isDefaultPrevented()) return\n\n      $this\n        .trigger('focus')\n        .attr('aria-expanded', 'true')\n\n      $parent\n        .toggleClass('open')\n        .trigger($.Event('shown.bs.dropdown', relatedTarget))\n    }\n\n    return false\n  }\n\n  Dropdown.prototype.keydown = function (e) {\n    if (!/(38|40|27|32)/.test(e.which) || /input|textarea/i.test(e.target.tagName)) return\n\n    var $this = $(this)\n\n    e.preventDefault()\n    e.stopPropagation()\n\n    if ($this.is('.disabled, :disabled')) return\n\n    var $parent  = getParent($this)\n    var isActive = $parent.hasClass('open')\n\n    if (!isActive && e.which != 27 || isActive && e.which == 27) {\n      if (e.which == 27) $parent.find(toggle).trigger('focus')\n      return $this.trigger('click')\n    }\n\n    var desc = ' li:not(.disabled):visible a'\n    var $items = $parent.find('.dropdown-menu' + desc)\n\n    if (!$items.length) return\n\n    var index = $items.index(e.target)\n\n    if (e.which == 38 && index > 0)                 index--         // up\n    if (e.which == 40 && index < $items.length - 1) index++         // down\n    if (!~index)                                    index = 0\n\n    $items.eq(index).trigger('focus')\n  }\n\n\n  // DROPDOWN PLUGIN DEFINITION\n  // ==========================\n\n  function Plugin(option) {\n    return this.each(function () {\n      var $this = $(this)\n      var data  = $this.data('bs.dropdown')\n\n      if (!data) $this.data('bs.dropdown', (data = new Dropdown(this)))\n      if (typeof option == 'string') data[option].call($this)\n    })\n  }\n\n  var old = $.fn.dropdown\n\n  $.fn.dropdown             = Plugin\n  $.fn.dropdown.Constructor = Dropdown\n\n\n  // DROPDOWN NO CONFLICT\n  // ====================\n\n  $.fn.dropdown.noConflict = function () {\n    $.fn.dropdown = old\n    return this\n  }\n\n\n  // APPLY TO STANDARD DROPDOWN ELEMENTS\n  // ===================================\n\n  $(document)\n    .on('click.bs.dropdown.data-api', clearMenus)\n    .on('click.bs.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() })\n    .on('click.bs.dropdown.data-api', toggle, Dropdown.prototype.toggle)\n    .on('keydown.bs.dropdown.data-api', toggle, Dropdown.prototype.keydown)\n    .on('keydown.bs.dropdown.data-api', '.dropdown-menu', Dropdown.prototype.keydown)\n\n}(jQuery);\n","/* ========================================================================\n * Bootstrap: modal.js v3.3.6\n * http://getbootstrap.com/javascript/#modals\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // MODAL CLASS DEFINITION\n  // ======================\n\n  var Modal = function (element, options) {\n    this.options             = options\n    this.$body               = $(document.body)\n    this.$element            = $(element)\n    this.$dialog             = this.$element.find('.modal-dialog')\n    this.$backdrop           = null\n    this.isShown             = null\n    this.originalBodyPad     = null\n    this.scrollbarWidth      = 0\n    this.ignoreBackdropClick = false\n\n    if (this.options.remote) {\n      this.$element\n        .find('.modal-content')\n        .load(this.options.remote, $.proxy(function () {\n          this.$element.trigger('loaded.bs.modal')\n        }, this))\n    }\n  }\n\n  Modal.VERSION  = '3.3.6'\n\n  Modal.TRANSITION_DURATION = 300\n  Modal.BACKDROP_TRANSITION_DURATION = 150\n\n  Modal.DEFAULTS = {\n    backdrop: true,\n    keyboard: true,\n    show: true\n  }\n\n  Modal.prototype.toggle = function (_relatedTarget) {\n    return this.isShown ? this.hide() : this.show(_relatedTarget)\n  }\n\n  Modal.prototype.show = function (_relatedTarget) {\n    var that = this\n    var e    = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })\n\n    this.$element.trigger(e)\n\n    if (this.isShown || e.isDefaultPrevented()) return\n\n    this.isShown = true\n\n    this.checkScrollbar()\n    this.setScrollbar()\n    this.$body.addClass('modal-open')\n\n    this.escape()\n    this.resize()\n\n    this.$element.on('click.dismiss.bs.modal', '[data-dismiss=\"modal\"]', $.proxy(this.hide, this))\n\n    this.$dialog.on('mousedown.dismiss.bs.modal', function () {\n      that.$element.one('mouseup.dismiss.bs.modal', function (e) {\n        if ($(e.target).is(that.$element)) that.ignoreBackdropClick = true\n      })\n    })\n\n    this.backdrop(function () {\n      var transition = $.support.transition && that.$element.hasClass('fade')\n\n      if (!that.$element.parent().length) {\n        that.$element.appendTo(that.$body) // don't move modals dom position\n      }\n\n      that.$element\n        .show()\n        .scrollTop(0)\n\n      that.adjustDialog()\n\n      if (transition) {\n        that.$element[0].offsetWidth // force reflow\n      }\n\n      that.$element.addClass('in')\n\n      that.enforceFocus()\n\n      var e = $.Event('shown.bs.modal', { relatedTarget: _relatedTarget })\n\n      transition ?\n        that.$dialog // wait for modal to slide in\n          .one('bsTransitionEnd', function () {\n            that.$element.trigger('focus').trigger(e)\n          })\n          .emulateTransitionEnd(Modal.TRANSITION_DURATION) :\n        that.$element.trigger('focus').trigger(e)\n    })\n  }\n\n  Modal.prototype.hide = function (e) {\n    if (e) e.preventDefault()\n\n    e = $.Event('hide.bs.modal')\n\n    this.$element.trigger(e)\n\n    if (!this.isShown || e.isDefaultPrevented()) return\n\n    this.isShown = false\n\n    this.escape()\n    this.resize()\n\n    $(document).off('focusin.bs.modal')\n\n    this.$element\n      .removeClass('in')\n      .off('click.dismiss.bs.modal')\n      .off('mouseup.dismiss.bs.modal')\n\n    this.$dialog.off('mousedown.dismiss.bs.modal')\n\n    $.support.transition && this.$element.hasClass('fade') ?\n      this.$element\n        .one('bsTransitionEnd', $.proxy(this.hideModal, this))\n        .emulateTransitionEnd(Modal.TRANSITION_DURATION) :\n      this.hideModal()\n  }\n\n  Modal.prototype.enforceFocus = function () {\n    $(document)\n      .off('focusin.bs.modal') // guard against infinite focus loop\n      .on('focusin.bs.modal', $.proxy(function (e) {\n        if (this.$element[0] !== e.target && !this.$element.has(e.target).length) {\n          this.$element.trigger('focus')\n        }\n      }, this))\n  }\n\n  Modal.prototype.escape = function () {\n    if (this.isShown && this.options.keyboard) {\n      this.$element.on('keydown.dismiss.bs.modal', $.proxy(function (e) {\n        e.which == 27 && this.hide()\n      }, this))\n    } else if (!this.isShown) {\n      this.$element.off('keydown.dismiss.bs.modal')\n    }\n  }\n\n  Modal.prototype.resize = function () {\n    if (this.isShown) {\n      $(window).on('resize.bs.modal', $.proxy(this.handleUpdate, this))\n    } else {\n      $(window).off('resize.bs.modal')\n    }\n  }\n\n  Modal.prototype.hideModal = function () {\n    var that = this\n    this.$element.hide()\n    this.backdrop(function () {\n      that.$body.removeClass('modal-open')\n      that.resetAdjustments()\n      that.resetScrollbar()\n      that.$element.trigger('hidden.bs.modal')\n    })\n  }\n\n  Modal.prototype.removeBackdrop = function () {\n    this.$backdrop && this.$backdrop.remove()\n    this.$backdrop = null\n  }\n\n  Modal.prototype.backdrop = function (callback) {\n    var that = this\n    var animate = this.$element.hasClass('fade') ? 'fade' : ''\n\n    if (this.isShown && this.options.backdrop) {\n      var doAnimate = $.support.transition && animate\n\n      this.$backdrop = $(document.createElement('div'))\n        .addClass('modal-backdrop ' + animate)\n        .appendTo(this.$body)\n\n      this.$element.on('click.dismiss.bs.modal', $.proxy(function (e) {\n        if (this.ignoreBackdropClick) {\n          this.ignoreBackdropClick = false\n          return\n        }\n        if (e.target !== e.currentTarget) return\n        this.options.backdrop == 'static'\n          ? this.$element[0].focus()\n          : this.hide()\n      }, this))\n\n      if (doAnimate) this.$backdrop[0].offsetWidth // force reflow\n\n      this.$backdrop.addClass('in')\n\n      if (!callback) return\n\n      doAnimate ?\n        this.$backdrop\n          .one('bsTransitionEnd', callback)\n          .emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) :\n        callback()\n\n    } else if (!this.isShown && this.$backdrop) {\n      this.$backdrop.removeClass('in')\n\n      var callbackRemove = function () {\n        that.removeBackdrop()\n        callback && callback()\n      }\n      $.support.transition && this.$element.hasClass('fade') ?\n        this.$backdrop\n          .one('bsTransitionEnd', callbackRemove)\n          .emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) :\n        callbackRemove()\n\n    } else if (callback) {\n      callback()\n    }\n  }\n\n  // these following methods are used to handle overflowing modals\n\n  Modal.prototype.handleUpdate = function () {\n    this.adjustDialog()\n  }\n\n  Modal.prototype.adjustDialog = function () {\n    var modalIsOverflowing = this.$element[0].scrollHeight > document.documentElement.clientHeight\n\n    this.$element.css({\n      paddingLeft:  !this.bodyIsOverflowing && modalIsOverflowing ? this.scrollbarWidth : '',\n      paddingRight: this.bodyIsOverflowing && !modalIsOverflowing ? this.scrollbarWidth : ''\n    })\n  }\n\n  Modal.prototype.resetAdjustments = function () {\n    this.$element.css({\n      paddingLeft: '',\n      paddingRight: ''\n    })\n  }\n\n  Modal.prototype.checkScrollbar = function () {\n    var fullWindowWidth = window.innerWidth\n    if (!fullWindowWidth) { // workaround for missing window.innerWidth in IE8\n      var documentElementRect = document.documentElement.getBoundingClientRect()\n      fullWindowWidth = documentElementRect.right - Math.abs(documentElementRect.left)\n    }\n    this.bodyIsOverflowing = document.body.clientWidth < fullWindowWidth\n    this.scrollbarWidth = this.measureScrollbar()\n  }\n\n  Modal.prototype.setScrollbar = function () {\n    var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10)\n    this.originalBodyPad = document.body.style.paddingRight || ''\n    if (this.bodyIsOverflowing) this.$body.css('padding-right', bodyPad + this.scrollbarWidth)\n  }\n\n  Modal.prototype.resetScrollbar = function () {\n    this.$body.css('padding-right', this.originalBodyPad)\n  }\n\n  Modal.prototype.measureScrollbar = function () { // thx walsh\n    var scrollDiv = document.createElement('div')\n    scrollDiv.className = 'modal-scrollbar-measure'\n    this.$body.append(scrollDiv)\n    var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth\n    this.$body[0].removeChild(scrollDiv)\n    return scrollbarWidth\n  }\n\n\n  // MODAL PLUGIN DEFINITION\n  // =======================\n\n  function Plugin(option, _relatedTarget) {\n    return this.each(function () {\n      var $this   = $(this)\n      var data    = $this.data('bs.modal')\n      var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option == 'object' && option)\n\n      if (!data) $this.data('bs.modal', (data = new Modal(this, options)))\n      if (typeof option == 'string') data[option](_relatedTarget)\n      else if (options.show) data.show(_relatedTarget)\n    })\n  }\n\n  var old = $.fn.modal\n\n  $.fn.modal             = Plugin\n  $.fn.modal.Constructor = Modal\n\n\n  // MODAL NO CONFLICT\n  // =================\n\n  $.fn.modal.noConflict = function () {\n    $.fn.modal = old\n    return this\n  }\n\n\n  // MODAL DATA-API\n  // ==============\n\n  $(document).on('click.bs.modal.data-api', '[data-toggle=\"modal\"]', function (e) {\n    var $this   = $(this)\n    var href    = $this.attr('href')\n    var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\\s]+$)/, ''))) // strip for ie7\n    var option  = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())\n\n    if ($this.is('a')) e.preventDefault()\n\n    $target.one('show.bs.modal', function (showEvent) {\n      if (showEvent.isDefaultPrevented()) return // only register focus restorer if modal will actually get shown\n      $target.one('hidden.bs.modal', function () {\n        $this.is(':visible') && $this.trigger('focus')\n      })\n    })\n    Plugin.call($target, option, this)\n  })\n\n}(jQuery);\n","/* ========================================================================\n * Bootstrap: tooltip.js v3.3.6\n * http://getbootstrap.com/javascript/#tooltip\n * Inspired by the original jQuery.tipsy by Jason Frame\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // TOOLTIP PUBLIC CLASS DEFINITION\n  // ===============================\n\n  var Tooltip = function (element, options) {\n    this.type       = null\n    this.options    = null\n    this.enabled    = null\n    this.timeout    = null\n    this.hoverState = null\n    this.$element   = null\n    this.inState    = null\n\n    this.init('tooltip', element, options)\n  }\n\n  Tooltip.VERSION  = '3.3.6'\n\n  Tooltip.TRANSITION_DURATION = 150\n\n  Tooltip.DEFAULTS = {\n    animation: true,\n    placement: 'top',\n    selector: false,\n    template: '<div class=\"tooltip\" role=\"tooltip\"><div class=\"tooltip-arrow\"></div><div class=\"tooltip-inner\"></div></div>',\n    trigger: 'hover focus',\n    title: '',\n    delay: 0,\n    html: false,\n    container: false,\n    viewport: {\n      selector: 'body',\n      padding: 0\n    }\n  }\n\n  Tooltip.prototype.init = function (type, element, options) {\n    this.enabled   = true\n    this.type      = type\n    this.$element  = $(element)\n    this.options   = this.getOptions(options)\n    this.$viewport = this.options.viewport && $($.isFunction(this.options.viewport) ? this.options.viewport.call(this, this.$element) : (this.options.viewport.selector || this.options.viewport))\n    this.inState   = { click: false, hover: false, focus: false }\n\n    if (this.$element[0] instanceof document.constructor && !this.options.selector) {\n      throw new Error('`selector` option must be specified when initializing ' + this.type + ' on the window.document object!')\n    }\n\n    var triggers = this.options.trigger.split(' ')\n\n    for (var i = triggers.length; i--;) {\n      var trigger = triggers[i]\n\n      if (trigger == 'click') {\n        this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))\n      } else if (trigger != 'manual') {\n        var eventIn  = trigger == 'hover' ? 'mouseenter' : 'focusin'\n        var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout'\n\n        this.$element.on(eventIn  + '.' + this.type, this.options.selector, $.proxy(this.enter, this))\n        this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))\n      }\n    }\n\n    this.options.selector ?\n      (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :\n      this.fixTitle()\n  }\n\n  Tooltip.prototype.getDefaults = function () {\n    return Tooltip.DEFAULTS\n  }\n\n  Tooltip.prototype.getOptions = function (options) {\n    options = $.extend({}, this.getDefaults(), this.$element.data(), options)\n\n    if (options.delay && typeof options.delay == 'number') {\n      options.delay = {\n        show: options.delay,\n        hide: options.delay\n      }\n    }\n\n    return options\n  }\n\n  Tooltip.prototype.getDelegateOptions = function () {\n    var options  = {}\n    var defaults = this.getDefaults()\n\n    this._options && $.each(this._options, function (key, value) {\n      if (defaults[key] != value) options[key] = value\n    })\n\n    return options\n  }\n\n  Tooltip.prototype.enter = function (obj) {\n    var self = obj instanceof this.constructor ?\n      obj : $(obj.currentTarget).data('bs.' + this.type)\n\n    if (!self) {\n      self = new this.constructor(obj.currentTarget, this.getDelegateOptions())\n      $(obj.currentTarget).data('bs.' + this.type, self)\n    }\n\n    if (obj instanceof $.Event) {\n      self.inState[obj.type == 'focusin' ? 'focus' : 'hover'] = true\n    }\n\n    if (self.tip().hasClass('in') || self.hoverState == 'in') {\n      self.hoverState = 'in'\n      return\n    }\n\n    clearTimeout(self.timeout)\n\n    self.hoverState = 'in'\n\n    if (!self.options.delay || !self.options.delay.show) return self.show()\n\n    self.timeout = setTimeout(function () {\n      if (self.hoverState == 'in') self.show()\n    }, self.options.delay.show)\n  }\n\n  Tooltip.prototype.isInStateTrue = function () {\n    for (var key in this.inState) {\n      if (this.inState[key]) return true\n    }\n\n    return false\n  }\n\n  Tooltip.prototype.leave = function (obj) {\n    var self = obj instanceof this.constructor ?\n      obj : $(obj.currentTarget).data('bs.' + this.type)\n\n    if (!self) {\n      self = new this.constructor(obj.currentTarget, this.getDelegateOptions())\n      $(obj.currentTarget).data('bs.' + this.type, self)\n    }\n\n    if (obj instanceof $.Event) {\n      self.inState[obj.type == 'focusout' ? 'focus' : 'hover'] = false\n    }\n\n    if (self.isInStateTrue()) return\n\n    clearTimeout(self.timeout)\n\n    self.hoverState = 'out'\n\n    if (!self.options.delay || !self.options.delay.hide) return self.hide()\n\n    self.timeout = setTimeout(function () {\n      if (self.hoverState == 'out') self.hide()\n    }, self.options.delay.hide)\n  }\n\n  Tooltip.prototype.show = function () {\n    var e = $.Event('show.bs.' + this.type)\n\n    if (this.hasContent() && this.enabled) {\n      this.$element.trigger(e)\n\n      var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0])\n      if (e.isDefaultPrevented() || !inDom) return\n      var that = this\n\n      var $tip = this.tip()\n\n      var tipId = this.getUID(this.type)\n\n      this.setContent()\n      $tip.attr('id', tipId)\n      this.$element.attr('aria-describedby', tipId)\n\n      if (this.options.animation) $tip.addClass('fade')\n\n      var placement = typeof this.options.placement == 'function' ?\n        this.options.placement.call(this, $tip[0], this.$element[0]) :\n        this.options.placement\n\n      var autoToken = /\\s?auto?\\s?/i\n      var autoPlace = autoToken.test(placement)\n      if (autoPlace) placement = placement.replace(autoToken, '') || 'top'\n\n      $tip\n        .detach()\n        .css({ top: 0, left: 0, display: 'block' })\n        .addClass(placement)\n        .data('bs.' + this.type, this)\n\n      this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)\n      this.$element.trigger('inserted.bs.' + this.type)\n\n      var pos          = this.getPosition()\n      var actualWidth  = $tip[0].offsetWidth\n      var actualHeight = $tip[0].offsetHeight\n\n      if (autoPlace) {\n        var orgPlacement = placement\n        var viewportDim = this.getPosition(this.$viewport)\n\n        placement = placement == 'bottom' && pos.bottom + actualHeight > viewportDim.bottom ? 'top'    :\n                    placement == 'top'    && pos.top    - actualHeight < viewportDim.top    ? 'bottom' :\n                    placement == 'right'  && pos.right  + actualWidth  > viewportDim.width  ? 'left'   :\n                    placement == 'left'   && pos.left   - actualWidth  < viewportDim.left   ? 'right'  :\n                    placement\n\n        $tip\n          .removeClass(orgPlacement)\n          .addClass(placement)\n      }\n\n      var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight)\n\n      this.applyPlacement(calculatedOffset, placement)\n\n      var complete = function () {\n        var prevHoverState = that.hoverState\n        that.$element.trigger('shown.bs.' + that.type)\n        that.hoverState = null\n\n        if (prevHoverState == 'out') that.leave(that)\n      }\n\n      $.support.transition && this.$tip.hasClass('fade') ?\n        $tip\n          .one('bsTransitionEnd', complete)\n          .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :\n        complete()\n    }\n  }\n\n  Tooltip.prototype.applyPlacement = function (offset, placement) {\n    var $tip   = this.tip()\n    var width  = $tip[0].offsetWidth\n    var height = $tip[0].offsetHeight\n\n    // manually read margins because getBoundingClientRect includes difference\n    var marginTop = parseInt($tip.css('margin-top'), 10)\n    var marginLeft = parseInt($tip.css('margin-left'), 10)\n\n    // we must check for NaN for ie 8/9\n    if (isNaN(marginTop))  marginTop  = 0\n    if (isNaN(marginLeft)) marginLeft = 0\n\n    offset.top  += marginTop\n    offset.left += marginLeft\n\n    // $.fn.offset doesn't round pixel values\n    // so we use setOffset directly with our own function B-0\n    $.offset.setOffset($tip[0], $.extend({\n      using: function (props) {\n        $tip.css({\n          top: Math.round(props.top),\n          left: Math.round(props.left)\n        })\n      }\n    }, offset), 0)\n\n    $tip.addClass('in')\n\n    // check to see if placing tip in new offset caused the tip to resize itself\n    var actualWidth  = $tip[0].offsetWidth\n    var actualHeight = $tip[0].offsetHeight\n\n    if (placement == 'top' && actualHeight != height) {\n      offset.top = offset.top + height - actualHeight\n    }\n\n    var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight)\n\n    if (delta.left) offset.left += delta.left\n    else offset.top += delta.top\n\n    var isVertical          = /top|bottom/.test(placement)\n    var arrowDelta          = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight\n    var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight'\n\n    $tip.offset(offset)\n    this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical)\n  }\n\n  Tooltip.prototype.replaceArrow = function (delta, dimension, isVertical) {\n    this.arrow()\n      .css(isVertical ? 'left' : 'top', 50 * (1 - delta / dimension) + '%')\n      .css(isVertical ? 'top' : 'left', '')\n  }\n\n  Tooltip.prototype.setContent = function () {\n    var $tip  = this.tip()\n    var title = this.getTitle()\n\n    $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)\n    $tip.removeClass('fade in top bottom left right')\n  }\n\n  Tooltip.prototype.hide = function (callback) {\n    var that = this\n    var $tip = $(this.$tip)\n    var e    = $.Event('hide.bs.' + this.type)\n\n    function complete() {\n      if (that.hoverState != 'in') $tip.detach()\n      that.$element\n        .removeAttr('aria-describedby')\n        .trigger('hidden.bs.' + that.type)\n      callback && callback()\n    }\n\n    this.$element.trigger(e)\n\n    if (e.isDefaultPrevented()) return\n\n    $tip.removeClass('in')\n\n    $.support.transition && $tip.hasClass('fade') ?\n      $tip\n        .one('bsTransitionEnd', complete)\n        .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) :\n      complete()\n\n    this.hoverState = null\n\n    return this\n  }\n\n  Tooltip.prototype.fixTitle = function () {\n    var $e = this.$element\n    if ($e.attr('title') || typeof $e.attr('data-original-title') != 'string') {\n      $e.attr('data-original-title', $e.attr('title') || '').attr('title', '')\n    }\n  }\n\n  Tooltip.prototype.hasContent = function () {\n    return this.getTitle()\n  }\n\n  Tooltip.prototype.getPosition = function ($element) {\n    $element   = $element || this.$element\n\n    var el     = $element[0]\n    var isBody = el.tagName == 'BODY'\n\n    var elRect    = el.getBoundingClientRect()\n    if (elRect.width == null) {\n      // width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093\n      elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top })\n    }\n    var elOffset  = isBody ? { top: 0, left: 0 } : $element.offset()\n    var scroll    = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() }\n    var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null\n\n    return $.extend({}, elRect, scroll, outerDims, elOffset)\n  }\n\n  Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) {\n    return placement == 'bottom' ? { top: pos.top + pos.height,   left: pos.left + pos.width / 2 - actualWidth / 2 } :\n           placement == 'top'    ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } :\n           placement == 'left'   ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } :\n        /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width }\n\n  }\n\n  Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) {\n    var delta = { top: 0, left: 0 }\n    if (!this.$viewport) return delta\n\n    var viewportPadding = this.options.viewport && this.options.viewport.padding || 0\n    var viewportDimensions = this.getPosition(this.$viewport)\n\n    if (/right|left/.test(placement)) {\n      var topEdgeOffset    = pos.top - viewportPadding - viewportDimensions.scroll\n      var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight\n      if (topEdgeOffset < viewportDimensions.top) { // top overflow\n        delta.top = viewportDimensions.top - topEdgeOffset\n      } else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow\n        delta.top = viewportDimensions.top + viewportDimensions.height - bottomEdgeOffset\n      }\n    } else {\n      var leftEdgeOffset  = pos.left - viewportPadding\n      var rightEdgeOffset = pos.left + viewportPadding + actualWidth\n      if (leftEdgeOffset < viewportDimensions.left) { // left overflow\n        delta.left = viewportDimensions.left - leftEdgeOffset\n      } else if (rightEdgeOffset > viewportDimensions.right) { // right overflow\n        delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset\n      }\n    }\n\n    return delta\n  }\n\n  Tooltip.prototype.getTitle = function () {\n    var title\n    var $e = this.$element\n    var o  = this.options\n\n    title = $e.attr('data-original-title')\n      || (typeof o.title == 'function' ? o.title.call($e[0]) :  o.title)\n\n    return title\n  }\n\n  Tooltip.prototype.getUID = function (prefix) {\n    do prefix += ~~(Math.random() * 1000000)\n    while (document.getElementById(prefix))\n    return prefix\n  }\n\n  Tooltip.prototype.tip = function () {\n    if (!this.$tip) {\n      this.$tip = $(this.options.template)\n      if (this.$tip.length != 1) {\n        throw new Error(this.type + ' `template` option must consist of exactly 1 top-level element!')\n      }\n    }\n    return this.$tip\n  }\n\n  Tooltip.prototype.arrow = function () {\n    return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow'))\n  }\n\n  Tooltip.prototype.enable = function () {\n    this.enabled = true\n  }\n\n  Tooltip.prototype.disable = function () {\n    this.enabled = false\n  }\n\n  Tooltip.prototype.toggleEnabled = function () {\n    this.enabled = !this.enabled\n  }\n\n  Tooltip.prototype.toggle = function (e) {\n    var self = this\n    if (e) {\n      self = $(e.currentTarget).data('bs.' + this.type)\n      if (!self) {\n        self = new this.constructor(e.currentTarget, this.getDelegateOptions())\n        $(e.currentTarget).data('bs.' + this.type, self)\n      }\n    }\n\n    if (e) {\n      self.inState.click = !self.inState.click\n      if (self.isInStateTrue()) self.enter(self)\n      else self.leave(self)\n    } else {\n      self.tip().hasClass('in') ? self.leave(self) : self.enter(self)\n    }\n  }\n\n  Tooltip.prototype.destroy = function () {\n    var that = this\n    clearTimeout(this.timeout)\n    this.hide(function () {\n      that.$element.off('.' + that.type).removeData('bs.' + that.type)\n      if (that.$tip) {\n        that.$tip.detach()\n      }\n      that.$tip = null\n      that.$arrow = null\n      that.$viewport = null\n    })\n  }\n\n\n  // TOOLTIP PLUGIN DEFINITION\n  // =========================\n\n  function Plugin(option) {\n    return this.each(function () {\n      var $this   = $(this)\n      var data    = $this.data('bs.tooltip')\n      var options = typeof option == 'object' && option\n\n      if (!data && /destroy|hide/.test(option)) return\n      if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options)))\n      if (typeof option == 'string') data[option]()\n    })\n  }\n\n  var old = $.fn.tooltip\n\n  $.fn.tooltip             = Plugin\n  $.fn.tooltip.Constructor = Tooltip\n\n\n  // TOOLTIP NO CONFLICT\n  // ===================\n\n  $.fn.tooltip.noConflict = function () {\n    $.fn.tooltip = old\n    return this\n  }\n\n}(jQuery);\n","/* ========================================================================\n * Bootstrap: transition.js v3.3.6\n * http://getbootstrap.com/javascript/#transitions\n * ========================================================================\n * Copyright 2011-2015 Twitter, Inc.\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * ======================================================================== */\n\n\n+function ($) {\n  'use strict';\n\n  // CSS TRANSITION SUPPORT (Shoutout: http://www.modernizr.com/)\n  // ============================================================\n\n  function transitionEnd() {\n    var el = document.createElement('bootstrap')\n\n    var transEndEventNames = {\n      WebkitTransition : 'webkitTransitionEnd',\n      MozTransition    : 'transitionend',\n      OTransition      : 'oTransitionEnd otransitionend',\n      transition       : 'transitionend'\n    }\n\n    for (var name in transEndEventNames) {\n      if (el.style[name] !== undefined) {\n        return { end: transEndEventNames[name] }\n      }\n    }\n\n    return false // explicit for ie8 (  ._.)\n  }\n\n  // http://blog.alexmaccaw.com/css-transitions\n  $.fn.emulateTransitionEnd = function (duration) {\n    var called = false\n    var $el = this\n    $(this).one('bsTransitionEnd', function () { called = true })\n    var callback = function () { if (!called) $($el).trigger($.support.transition.end) }\n    setTimeout(callback, duration)\n    return this\n  }\n\n  $(function () {\n    $.support.transition = transitionEnd()\n\n    if (!$.support.transition) return\n\n    $.event.special.bsTransitionEnd = {\n      bindType: $.support.transition.end,\n      delegateType: $.support.transition.end,\n      handle: function (e) {\n        if ($(e.target).is(this)) return e.handleObj.handler.apply(this, arguments)\n      }\n    }\n  })\n\n}(jQuery);\n","/**\n * Timeago is a jQuery plugin that makes it easy to support automatically\n * updating fuzzy timestamps (e.g. \"4 minutes ago\" or \"about 1 day ago\").\n *\n * @name timeago\n * @version 1.5.2\n * @requires jQuery v1.2.3+\n * @author Ryan McGeary\n * @license MIT License - http://www.opensource.org/licenses/mit-license.php\n *\n * For usage and examples, visit:\n * http://timeago.yarp.com/\n *\n * Copyright (c) 2008-2015, Ryan McGeary (ryan -[at]- mcgeary [*dot*] org)\n */\n\n(function (factory) {\n  if (typeof define === 'function' && define.amd) {\n    // AMD. Register as an anonymous module.\n    define(['jquery'], factory);\n  } else if (typeof module === 'object' && typeof module.exports === 'object') {\n    factory(require('jquery'));\n  } else {\n    // Browser globals\n    factory(jQuery);\n  }\n}(function ($) {\n  $.timeago = function(timestamp) {\n    if (timestamp instanceof Date) {\n      return inWords(timestamp);\n    } else if (typeof timestamp === \"string\") {\n      return inWords($.timeago.parse(timestamp));\n    } else if (typeof timestamp === \"number\") {\n      return inWords(new Date(timestamp));\n    } else {\n      return inWords($.timeago.datetime(timestamp));\n    }\n  };\n  var $t = $.timeago;\n\n  $.extend($.timeago, {\n    settings: {\n      refreshMillis: 60000,\n      allowPast: true,\n      allowFuture: false,\n      localeTitle: false,\n      cutoff: 0,\n      autoDispose: true,\n      strings: {\n        prefixAgo: null,\n        prefixFromNow: null,\n        suffixAgo: \"ago\",\n        suffixFromNow: \"from now\",\n        inPast: 'any moment now',\n        seconds: \"less than a minute\",\n        minute: \"about a minute\",\n        minutes: \"%d minutes\",\n        hour: \"about an hour\",\n        hours: \"about %d hours\",\n        day: \"a day\",\n        days: \"%d days\",\n        month: \"about a month\",\n        months: \"%d months\",\n        year: \"about a year\",\n        years: \"%d years\",\n        wordSeparator: \" \",\n        numbers: []\n      }\n    },\n\n    inWords: function(distanceMillis) {\n      if (!this.settings.allowPast && ! this.settings.allowFuture) {\n          throw 'timeago allowPast and allowFuture settings can not both be set to false.';\n      }\n\n      var $l = this.settings.strings;\n      var prefix = $l.prefixAgo;\n      var suffix = $l.suffixAgo;\n      if (this.settings.allowFuture) {\n        if (distanceMillis < 0) {\n          prefix = $l.prefixFromNow;\n          suffix = $l.suffixFromNow;\n        }\n      }\n\n      if (!this.settings.allowPast && distanceMillis >= 0) {\n        return this.settings.strings.inPast;\n      }\n\n      var seconds = Math.abs(distanceMillis) / 1000;\n      var minutes = seconds / 60;\n      var hours = minutes / 60;\n      var days = hours / 24;\n      var years = days / 365;\n\n      function substitute(stringOrFunction, number) {\n        var string = $.isFunction(stringOrFunction) ? stringOrFunction(number, distanceMillis) : stringOrFunction;\n        var value = ($l.numbers && $l.numbers[number]) || number;\n        return string.replace(/%d/i, value);\n      }\n\n      var words = seconds < 45 && substitute($l.seconds, Math.round(seconds)) ||\n        seconds < 90 && substitute($l.minute, 1) ||\n        minutes < 45 && substitute($l.minutes, Math.round(minutes)) ||\n        minutes < 90 && substitute($l.hour, 1) ||\n        hours < 24 && substitute($l.hours, Math.round(hours)) ||\n        hours < 42 && substitute($l.day, 1) ||\n        days < 30 && substitute($l.days, Math.round(days)) ||\n        days < 45 && substitute($l.month, 1) ||\n        days < 365 && substitute($l.months, Math.round(days / 30)) ||\n        years < 1.5 && substitute($l.year, 1) ||\n        substitute($l.years, Math.round(years));\n\n      var separator = $l.wordSeparator || \"\";\n      if ($l.wordSeparator === undefined) { separator = \" \"; }\n      return $.trim([prefix, words, suffix].join(separator));\n    },\n\n    parse: function(iso8601) {\n      var s = $.trim(iso8601);\n      s = s.replace(/\\.\\d+/,\"\"); // remove milliseconds\n      s = s.replace(/-/,\"/\").replace(/-/,\"/\");\n      s = s.replace(/T/,\" \").replace(/Z/,\" UTC\");\n      s = s.replace(/([\\+\\-]\\d\\d)\\:?(\\d\\d)/,\" $1$2\"); // -04:00 -> -0400\n      s = s.replace(/([\\+\\-]\\d\\d)$/,\" $100\"); // +09 -> +0900\n      return new Date(s);\n    },\n    datetime: function(elem) {\n      var iso8601 = $t.isTime(elem) ? $(elem).attr(\"datetime\") : $(elem).attr(\"title\");\n      return $t.parse(iso8601);\n    },\n    isTime: function(elem) {\n      // jQuery's `is()` doesn't play well with HTML5 in IE\n      return $(elem).get(0).tagName.toLowerCase() === \"time\"; // $(elem).is(\"time\");\n    }\n  });\n\n  // functions that can be called via $(el).timeago('action')\n  // init is default when no action is given\n  // functions are called with context of a single element\n  var functions = {\n    init: function() {\n      var refresh_el = $.proxy(refresh, this);\n      refresh_el();\n      var $s = $t.settings;\n      if ($s.refreshMillis > 0) {\n        this._timeagoInterval = setInterval(refresh_el, $s.refreshMillis);\n      }\n    },\n    update: function(timestamp) {\n      var date = (timestamp instanceof Date) ? timestamp : $t.parse(timestamp);\n      $(this).data('timeago', { datetime: date });\n      if ($t.settings.localeTitle) $(this).attr(\"title\", date.toLocaleString());\n      refresh.apply(this);\n    },\n    updateFromDOM: function() {\n      $(this).data('timeago', { datetime: $t.parse( $t.isTime(this) ? $(this).attr(\"datetime\") : $(this).attr(\"title\") ) });\n      refresh.apply(this);\n    },\n    dispose: function () {\n      if (this._timeagoInterval) {\n        window.clearInterval(this._timeagoInterval);\n        this._timeagoInterval = null;\n      }\n    }\n  };\n\n  $.fn.timeago = function(action, options) {\n    var fn = action ? functions[action] : functions.init;\n    if (!fn) {\n      throw new Error(\"Unknown function name '\"+ action +\"' for timeago\");\n    }\n    // each over objects here and call the requested function\n    this.each(function() {\n      fn.call(this, options);\n    });\n    return this;\n  };\n\n  function refresh() {\n    var $s = $t.settings;\n\n    //check if it's still visible\n    if ($s.autoDispose && !$.contains(document.documentElement,this)) {\n      //stop if it has been removed\n      $(this).timeago(\"dispose\");\n      return this;\n    }\n\n    var data = prepareData(this);\n\n    if (!isNaN(data.datetime)) {\n      if ( $s.cutoff == 0 || Math.abs(distance(data.datetime)) < $s.cutoff) {\n        $(this).text(inWords(data.datetime));\n      }\n    }\n    return this;\n  }\n\n  function prepareData(element) {\n    element = $(element);\n    if (!element.data(\"timeago\")) {\n      element.data(\"timeago\", { datetime: $t.datetime(element) });\n      var text = $.trim(element.text());\n      if ($t.settings.localeTitle) {\n        element.attr(\"title\", element.data('timeago').datetime.toLocaleString());\n      } else if (text.length > 0 && !($t.isTime(element) && element.attr(\"title\"))) {\n        element.attr(\"title\", text);\n      }\n    }\n    return element.data(\"timeago\");\n  }\n\n  function inWords(date) {\n    return $t.inWords(distance(date));\n  }\n\n  function distance(date) {\n    return (new Date().getTime() - date.getTime());\n  }\n\n  // fix for IE6 suckage\n  document.createElement(\"abbr\");\n  document.createElement(\"time\");\n}));\n","\n$(document).ready(function() {\n    $(\"time.timeago\").timeago();\n\n    $('.ft-nav-toggle').click(function() {\n        $('.ft-nav-container').toggleClass('ft-nav-enabled');\n        $('.ft-nav').toggleClass('ft-nav-enabled');\n    });\n\n    $('.ft-nav-collapsed + ul').hide();\n\n    $('#ft-commit-modal').on('shown.bs.modal', function () {\n        $('#ft-commit-msg').focus();\n    });\n\n    var publogEl = $('#ft-publog');\n    publogEl.mouseenter(function() {\n        publogEl.attr('data-autohide', 'false');\n    });\n    publogEl.on('hide', function() {\n        var containerEl = $('#ft-publog-container', publogEl);\n        containerEl.empty();\n    });\n\n    var closePublogBtn = $('button', publogEl);\n    closePublogBtn.on('click', function() {\n        publogEl.fadeOut(200);\n    });\n});\n\nvar onPublishEvent = function(e) {\n\n    var publogEl = $('#ft-publog');\n    var containerEl = $('#ft-publog-container', publogEl);\n\n    var msgEl = $('<div>' + e.data + '</div>');\n    var removeMsgEl = function() {\n        msgEl.remove();\n        if (containerEl.children().length == 0) {\n            // Last message, hide the log window.\n            publogEl.fadeOut(200);\n        }\n    };\n    var timeoutId = window.setTimeout(function() {\n        if (publogEl.attr('data-autohide') == 'true') {\n            msgEl.fadeOut(400, removeMsgEl);\n        }\n    }, 4000);\n\n    if (containerEl.children().length == 0) {\n        // First message, show the log window, reset the mouseover marker.\n        publogEl.attr('data-autohide', 'true');\n        publogEl.fadeIn(200);\n    }\n    containerEl.append(msgEl);\n};\n\nif (!!window.EventSource) {\n    // TODO: this only works when the Foodtruck blueprint is added under `/pc-admin`.\n    var source = new EventSource('/pc-admin/publish-log');\n    source.onerror = function(e) {\n        console.log(\"Error with SSE, closing.\", e);\n        source.close();\n    };\n    source.addEventListener('message', onPublishEvent);\n}\n\n\n"],"sourceRoot":"/source/"}
--- a/piecrust/admin/templates/install.html	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,8 +0,0 @@
-{% set title = 'Configuration File Missing' %}
-
-{% extends 'layouts/master.html' %}
-
-{% block content %}
-<p>No FoodTruck configuration file was found. Did you run <code>chef admin init</code>?</p>
-{% endblock %}
-
--- a/piecrust/admin/templates/layouts/default.html	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/templates/layouts/default.html	Fri Sep 29 17:05:09 2017 -0700
@@ -8,7 +8,7 @@
 </div>
 <nav class="ft-nav">
     <div class="ft-nav-title">
-        <img src="/static/img/foodtruck.png" alt="Food Truck" />
+        <img src="{{base_url}}/static/img/foodtruck.png" alt="Food Truck" />
         <div class="ft-nav-brand">FoodTruck</div>
     </div>
     {% include 'layouts/menu.html' %}
--- a/piecrust/admin/templates/layouts/master.html	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/templates/layouts/master.html	Fri Sep 29 17:05:09 2017 -0700
@@ -7,7 +7,7 @@
         <meta name="description" content="A PieCrust management dashboard"/>
         <meta name="viewport" content="width=device-width, initial-scale=1"/>
         <link rel="apple-touch-icon" href="apple-touch-icon.png"/>
-        <link rel="stylesheet" href="/static/css/foodtruck.min.css"/>
+        <link rel="stylesheet" href="{{base_url}}/static/css/foodtruck.min.css"/>
         <link href='https://fonts.googleapis.com/css?family=Lobster' rel='stylesheet' type='text/css'/>
     </head>
     <body>
@@ -37,7 +37,7 @@
                 and many more.</p>
             </footer>
         </div>
-        <script src="/static/js/foodtruck.min.js"></script>
+        <script src="{{base_url}}/static/js/foodtruck.min.js"></script>
     </body>
 </html>
 
--- a/piecrust/admin/templates/list_source.html	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/templates/list_source.html	Fri Sep 29 17:05:09 2017 -0700
@@ -14,7 +14,12 @@
     <tbody>
         {% for p in pages %}
         <tr>
-            <td><time class="timeago" datetime="{{p.timestamp|iso8601}}">{{p.timestamp|datetime}}</time></td>
+            <td>{% if p.timestamp > 0 %}
+                <time class="timeago" datetime="{{p.timestamp|iso8601}}">{{p.timestamp|datetime}}</time>
+                {% else %}
+                <em>no date/time</em>
+                {% endif %}
+            </td>
             <td><a href="{{p.url}}">{{p.title}}</a></td>
             <td>{{p.author}}</td>
             <td>{{p.category}}</td>
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/admin/templates/micropub.html	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,10 @@
+{% set title = 'Micropub Endpoint' %}
+
+{% extends 'layouts/master.html' %}
+
+{% block content %}
+<p>This is PieCrust's Micropub endpoint.</p>
+{% endblock %}
+
+
+
--- a/piecrust/admin/views/__init__.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/views/__init__.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,4 +1,4 @@
-from flask import render_template
+from flask import render_template, current_app
 from flask.views import View
 from .menu import get_menu_context
 
@@ -24,5 +24,11 @@
     if context is None:
         context = {}
     context['menu'] = get_menu_context()
+    with_base_data(context)
     return context
 
+
+def with_base_data(context=None):
+    if context is None:
+        context = {}
+    context['base_url'] = current_app.config['FOODTRUCK_URL_PREFIX']
--- a/piecrust/admin/views/create.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/views/create.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,12 +1,9 @@
-import os
-import os.path
 import logging
 from flask import (
     g, request, abort, render_template, url_for, redirect, flash)
 from flask.ext.login import login_required
+from piecrust.page import Page
 from piecrust.sources.interfaces import IInteractiveSource
-from piecrust.sources.base import MODE_CREATING
-from piecrust.routing import create_route_metadata
 from ..blueprint import foodtruck_bp
 from ..views import with_menu_context
 
@@ -17,8 +14,8 @@
 @foodtruck_bp.route('/write/<source_name>', methods=['GET', 'POST'])
 @login_required
 def write_page(source_name):
-    site = g.site.piecrust_app
-    source = site.getSource(source_name)
+    pcapp = g.site.piecrust_app
+    source = pcapp.getSource(source_name)
     if source is None:
         abort(400)
     if not isinstance(source, IInteractiveSource):
@@ -26,52 +23,11 @@
 
     if request.method == 'POST':
         if 'do_save' in request.form:
-            metadata = {}
-            for f in source.getInteractiveFields():
-                metadata[f.name] = f.default_value
-            for fk, fv in request.form.items():
-                if fk.startswith('meta-'):
-                    metadata[fk[5:]] = fv
-
-            logger.debug("Searching for page with metadata: %s" % metadata)
-            fac = source.findPageFactory(metadata, MODE_CREATING)
-            if fac is None:
-                logger.error("Can't find page for %s" % metadata)
-                abort(500)
-
-            logger.debug("Creating page: %s" % fac.path)
-            os.makedirs(os.path.dirname(fac.path), exist_ok=True)
-            with open(fac.path, 'w', encoding='utf8') as fp:
-                fp.write('')
-            flash("%s was created." % os.path.relpath(fac.path, site.root_dir))
-
-            route = site.getSourceRoute(source.name, fac.metadata)
-            if route is None:
-                logger.error("Can't find route for page: %s" % fac.path)
-                abort(500)
-
-            dummy = _DummyPage(fac)
-            route_metadata = create_route_metadata(dummy)
-            uri = route.getUri(route_metadata)
-            uri_root = '/site/%s/' % g.site.name
-            uri = uri[len(uri_root):]
-            logger.debug("Redirecting to: %s" % uri)
-
-            return redirect(url_for('.edit_page', slug=uri))
-
+            return _submit_page_form(pcapp, source)
         abort(400)
-
     return _write_page_form(source)
 
 
-class _DummyPage:
-    def __init__(self, fac):
-        self.source_metadata = fac.metadata
-
-    def getRouteMetadata(self):
-        return {}
-
-
 def _write_page_form(source):
     data = {}
     data['is_new_page'] = True
@@ -88,3 +44,33 @@
     with_menu_context(data)
     return render_template('create_page.html', **data)
 
+
+def _submit_page_form(pcapp, source):
+    metadata = {}
+    for f in source.getInteractiveFields():
+        metadata[f.name] = f.default_value
+    for fk, fv in request.form.items():
+        if fk.startswith('meta-'):
+            metadata[fk[5:]] = fv
+
+    logger.debug("Searching for item with metadata: %s" % metadata)
+    content_item = source.findContent(metadata)
+    if content_item is None:
+        logger.error("Can't find item for: %s" % metadata)
+        abort(500)
+
+    logger.debug("Creating item: %s" % content_item.spec)
+    with source.openItem(content_item, mode='w') as fp:
+        fp.write('')
+    flash("'%s' was created." % content_item.spec)
+
+    route = pcapp.getSourceRoute(source.name)
+    if route is None:
+        logger.error("Can't find route for source: %s" % source.name)
+        abort(500)
+
+    page = Page(source, content_item)
+    uri = page.getUri()
+    logger.debug("Redirecting to: %s" % uri)
+    return redirect(url_for('.edit_page', uri=uri))
+
--- a/piecrust/admin/views/dashboard.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/views/dashboard.py	Fri Sep 29 17:05:09 2017 -0700
@@ -6,7 +6,7 @@
     render_template, url_for, redirect)
 from flask.ext.login import login_user, logout_user, login_required
 from piecrust.configuration import parse_config_header
-from piecrust.rendering import QualifiedPage
+from piecrust.sources.interfaces import IInteractiveSource
 from piecrust.uriutil import split_uri
 from ..textutil import text_preview
 from ..blueprint import foodtruck_bp, load_user, after_this_request
@@ -21,16 +21,22 @@
 def index():
     data = {}
     data['sources'] = []
-    site = g.site
+
     fs_endpoints = {}
-    for source in site.piecrust_app.sources:
+
+    site = g.site
+    pcapp = site.piecrust_app
+    for source in pcapp.sources:
         if source.is_theme_source:
             continue
-        facs = source.getPageFactories()
+        if not isinstance(source, IInteractiveSource):
+            continue
+
+        items = source.getAllContents()
         src_data = {
             'name': source.name,
             'list_url': url_for('.list_source', source_name=source.name),
-            'page_count': len(facs)}
+            'page_count': len(items)}
         data['sources'].append(src_data)
 
         fe = getattr(source, 'fs_endpoint', None)
@@ -55,20 +61,9 @@
             else:
                 data['misc_files'].append(p)
 
-    data['site_name'] = site.name
-    data['site_title'] = site.piecrust_app.config.get('site/title', site.name)
+    data['site_title'] = pcapp.config.get('site/title', "Unnamed Website")
     data['url_publish'] = url_for('.publish')
-    data['url_preview'] = url_for('.preview_site_root', sitename=site.name)
-
-    data['sites'] = []
-    for s in g.sites.getall():
-        data['sites'].append({
-            'name': s.name,
-            'display_name': s.piecrust_app.config.get('site/title'),
-            'url': url_for('.index', site_name=s.name)
-        })
-    data['needs_switch'] = len(g.config.get('sites')) > 1
-    data['url_switch'] = url_for('.switch_site')
+    data['url_preview'] = url_for('.preview_root_page')
 
     with_menu_context(data)
     return render_template('dashboard.html', **data)
--- a/piecrust/admin/views/edit.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/views/edit.py	Fri Sep 29 17:05:09 2017 -0700
@@ -13,59 +13,85 @@
 logger = logging.getLogger(__name__)
 
 
-@foodtruck_bp.route('/edit/', defaults={'slug': ''}, methods=['GET', 'POST'])
-@foodtruck_bp.route('/edit/<path:slug>', methods=['GET', 'POST'])
+@foodtruck_bp.route('/edit/', defaults={'uri': ''}, methods=['GET', 'POST'])
+@foodtruck_bp.route('/edit/<path:uri>', methods=['GET', 'POST'])
 @login_required
-def edit_page(slug):
+def edit_page(uri):
     site = g.site
-    site_app = site.piecrust_app
-    rp = get_requested_page(site_app,
-                            '/site/%s/%s' % (g.sites.current_site, slug))
-    page = rp.qualified_page
+    pcapp = site.piecrust_app
+    rp = get_requested_page(pcapp, '%s/preview/%s' % (site.url_prefix, uri))
+    page = rp.page
     if page is None:
         abort(404)
 
     if request.method == 'POST':
-        page_text = request.form['page_text']
-        if request.form['is_dos_nl'] == '0':
-            page_text = page_text.replace('\r\n', '\n')
-
-        if 'do_save' in request.form or 'do_save_and_commit' in request.form:
-            logger.debug("Writing page: %s" % page.path)
-            with open(page.path, 'w', encoding='utf8', newline='') as fp:
-                fp.write(page_text)
-            flash("%s was saved." % os.path.relpath(
-                page.path, site_app.root_dir))
+        return _submit_page_form(page, uri)
 
-        if 'do_save_and_commit' in request.form:
-            message = request.form.get('commit_msg')
-            if not message:
-                message = "Edit %s" % os.path.relpath(
-                    page.path, site_app.root_dir)
-            if site.scm:
-                site.scm.commit([page.path], message)
-
-        if 'do_save' in request.form or 'do_save_and_commit' in request.form:
-            return _edit_page_form(page, slug, site.name)
-
-        abort(400)
-
-    return _edit_page_form(page, slug, site.name)
+    return _edit_page_form(page, uri)
 
 
-@foodtruck_bp.route('/upload/<path:slug>', methods=['POST'])
-def upload_page_asset(slug):
+def _edit_page_form(page, uri):
+    data = {}
+    data['is_new_page'] = False
+    data['url_postback'] = url_for('.edit_page', uri=uri)
+    data['url_upload_asset'] = url_for('.upload_page_asset', uri=uri)
+    data['url_preview'] = page.getUri()
+    data['url_cancel'] = url_for(
+        '.list_source', source_name=page.source.name)
+
+    with page.source.openItem(page.content_item, 'r') as fp:
+        data['page_text'] = fp.read()
+    data['is_dos_nl'] = "1" if '\r\n' in data['page_text'] else "0"
+
+    assetor = Assetor(page)
+    assets_data = []
+    for i, n in enumerate(assetor._getAssetNames()):
+        assets_data.append({'name': n, 'url': assetor[i]})
+    data['assets'] = assets_data
+
+    data['has_scm'] = (g.site.scm is not None)
+
+    with_menu_context(data)
+    return render_template('edit_page.html', **data)
+
+
+def _submit_page_form(page, uri):
+    page_text = request.form['page_text']
+    if request.form['is_dos_nl'] == '0':
+        page_text = page_text.replace('\r\n', '\n')
+
+    if 'do_save' in request.form or 'do_save_and_commit' in request.form:
+        logger.debug("Writing page: %s" % page.content_spec)
+        with page.source.openItem(page.content_item, 'w') as fp:
+            fp.write(page_text)
+        flash("%s was saved." % page.content_spec)
+
+    scm = g.site.scm
+    if 'do_save_and_commit' in request.form and scm is not None:
+        message = request.form.get('commit_msg')
+        if not message:
+            message = "Edit %s" % page.content_spec
+        scm.commit([page.content_spec], message)
+
+    if 'do_save' in request.form or 'do_save_and_commit' in request.form:
+        return _edit_page_form(page, uri)
+
+    abort(400)
+
+
+@foodtruck_bp.route('/upload/<path:uri>', methods=['POST'])
+def upload_page_asset(uri):
     if 'ft-asset-file' not in request.files:
-        return redirect(url_for('.edit_page', slug=slug))
+        return redirect(url_for('.edit_page', uri=uri))
 
     asset_file = request.files['ft-asset-file']
     if asset_file.filename == '':
-        return redirect(url_for('.edit_page', slug=slug))
+        return redirect(url_for('.edit_page', uri=uri))
 
     site = g.site
-    site_app = site.piecrust_app
-    rp = get_requested_page(site_app,
-                            '/site/%s/%s' % (g.sites.current_site, slug))
+    pcapp = site.piecrust_app
+    rp = get_requested_page(pcapp,
+                            '/site/%s/%s' % (g.sites.current_site, uri))
     page = rp.qualified_page
     if page is None:
         abort(404)
@@ -83,29 +109,4 @@
     asset_path = os.path.join(dirname, filename)
     logger.info("Uploading file to: %s" % asset_path)
     asset_file.save(asset_path)
-    return redirect(url_for('.edit_page', slug=slug))
-
-
-def _edit_page_form(page, slug, sitename):
-    data = {}
-    data['is_new_page'] = False
-    data['url_postback'] = url_for('.edit_page', slug=slug)
-    data['url_upload_asset'] = url_for('.upload_page_asset', slug=slug)
-    data['url_preview'] = page.getUri()
-    data['url_cancel'] = url_for(
-        '.list_source', source_name=page.source.name)
-    with open(page.path, 'r', encoding='utf8', newline='') as fp:
-        data['page_text'] = fp.read()
-    data['is_dos_nl'] = "1" if '\r\n' in data['page_text'] else "0"
-
-    page.app.env.base_asset_url_format = \
-        page.app.config.get('site/root') + '_asset/%path%'
-    assetor = Assetor(page, 'blah')
-    assets_data = []
-    for n in assetor.allNames():
-        assets_data.append({'name': n, 'url': assetor[n]})
-    data['assets'] = assets_data
-
-    with_menu_context(data)
-    return render_template('edit_page.html', **data)
-
+    return redirect(url_for('.edit_page', uri=uri))
--- a/piecrust/admin/views/menu.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/views/menu.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,5 +1,6 @@
 from flask import g, request, url_for
 from flask.ext.login import current_user
+from piecrust.sources.interfaces import IInteractiveSource
 
 
 def get_menu_context():
@@ -10,22 +11,29 @@
         'icon': 'speedometer'})
 
     site = g.site.piecrust_app
-    for s in site.sources:
-        if s.is_theme_source:
+    for source in site.sources:
+        if source.is_theme_source:
+            continue
+        if not isinstance(source, IInteractiveSource):
             continue
 
-        source_icon = s.config.get('admin_icon', 'document')
-        if s.name == 'pages':
-            source_icon = 'document-text'
-        elif 'blog' in s.name:
-            source_icon = 'filing'
+        # Figure out the icon to use... we do some hard-coded stuff to
+        # have something vaguely pretty out of the box.
+        source_icon = source.config.get('admin_icon')
+        if source_icon is None:
+            if source.name == 'pages':
+                source_icon = 'document-text'
+            elif 'blog' in source.name or 'posts' in source.name:
+                source_icon = 'filing'
+            else:
+                source_icon = 'document'
 
-        url_write = url_for('.write_page', source_name=s.name)
-        url_listall = url_for('.list_source', source_name=s.name)
+        url_write = url_for('.write_page', source_name=source.name)
+        url_listall = url_for('.list_source', source_name=source.name)
 
         ctx = {
             'url': url_listall,
-            'title': s.name,
+            'title': source.name,
             'icon': source_icon,
             'quicklink': {
                 'icon': 'plus-round',
@@ -44,6 +52,7 @@
         'title': "Publish",
         'icon': 'upload'})
 
+    # TODO: re-enable settings UI at some point.
     # entries.append({
     #     'url': url_for('.settings'),
     #     'title': "Settings",
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/admin/views/micropub.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,183 @@
+import re
+import os
+import os.path
+import logging
+import datetime
+from werkzeug.utils import secure_filename
+from flask import g, request, abort, Response
+from flask_indieauth import requires_indieauth
+from ..blueprint import foodtruck_bp
+from piecrust.page import Page
+
+
+logger = logging.getLogger(__name__)
+
+re_unsafe_asset_char = re.compile('[^a-zA-Z0-9_]')
+
+
+@foodtruck_bp.route('/micropub', methods=['POST'])
+@requires_indieauth
+def micropub():
+    post_type = request.form.get('h')
+
+    if post_type == 'entry':
+        uri = _create_hentry()
+        _run_publisher()
+        return _get_location_response(uri)
+
+    logger.debug("Unknown or unsupported update type.")
+    logger.debug(request.form)
+    abort(400)
+
+
+def _run_publisher():
+    pcapp = g.site.piecrust_app
+    target = pcapp.config.get('micropub/publish_target', 'default')
+    logger.debug("Running pushing target '%s'." % target)
+    g.site.publish(target)
+
+
+def _get_location_response(uri):
+    logger.debug("Redirecting to: %s" % uri)
+    r = Response()
+    r.status_code = 201
+    r.headers.add('Location', uri)
+    return r
+
+
+def _create_hentry():
+    f = request.form
+    summary = f.get('summary')
+    categories = f.getlist('category[]')
+    location = f.get('location')
+    reply_to = f.get('in-reply-to')
+    status = f.get('post-status')
+    # pubdate = f.get('published', 'now')
+
+    # Figure out the title of the post.
+    name = f.get('name')
+    if not name:
+        name = f.get('name[]')
+
+    # Figure out the contents of the post.
+    post_format = None
+    content = f.get('content')
+    if not content:
+        content = f.get('content[]')
+    if not content:
+        content = f.get('content[html]')
+        post_format = 'none'
+
+    if not content:
+        logger.error("No content specified!")
+        logger.error(dict(request.form))
+        abort(400)
+
+    # TODO: setting to conserve Windows-type line endings?
+    content = content.replace('\r\n', '\n')
+    if summary:
+        summary = summary.replace('\r\n', '\n')
+
+    # Figure out the slug of the post.
+    now = datetime.datetime.now()
+    slug = f.get('slug')
+    if not slug:
+        slug = f.get('mp-slug')
+    if not slug:
+        slug = '%02d%02d%02d' % (now.hour, now.minute, now.second)
+
+    # Get the media to attach to the post.
+    photo_urls = None
+    if 'photo' in f:
+        photo_urls = [f['photo']]
+    elif 'photo[]' in f:
+        photo_urls = f.getlist('photo[]')
+
+    photos = None
+    if 'photo' in request.files:
+        photos = [request.files['photo']]
+    elif 'photo[]' in request.files:
+        photos = request.files.getlist('photo[]')
+
+    # Create the post in the correct content source.
+    pcapp = g.site.piecrust_app
+    source_name = pcapp.config.get('micropub/source', 'posts')
+    source = pcapp.getSource(source_name)
+
+    metadata = {
+        'date': now,
+        'slug': slug
+    }
+    logger.debug("Creating item with metadata: %s" % metadata)
+    content_item = source.createContent(metadata)
+    if content_item is None:
+        logger.error("Can't create item for: %s" % metadata)
+        abort(500)
+
+    # TODO: add proper APIs for creating related assets.
+    photo_names = None
+    if photos:
+        photo_dir, _ = os.path.splitext(content_item.spec)
+        photo_dir += '-assets'
+        if not os.path.exists(photo_dir):
+            os.makedirs(photo_dir)
+
+        photo_names = []
+        for photo in photos:
+            if not photo or not photo.filename:
+                logger.warning("Got empty photo in request files... skipping.")
+                continue
+
+            fn = secure_filename(photo.filename)
+            fn = re_unsafe_asset_char.sub('_', fn)
+            photo_path = os.path.join(photo_dir, fn)
+            logger.info("Uploading file to: %s" % photo_path)
+            photo.save(photo_path)
+
+            fn_no_ext, _ = os.path.splitext(fn)
+            photo_names.append(fn_no_ext)
+
+    logger.debug("Writing to item: %s" % content_item.spec)
+    with source.openItem(content_item, mode='w') as fp:
+        fp.write('---\n')
+        if name:
+            fp.write('title: "%s"\n' % name)
+        if categories:
+            fp.write('tags: [%s]\n' % ','.join(categories))
+        if location:
+            fp.write('location: %s\n' % location)
+        if reply_to:
+            fp.write('reply_to: "%s"\n' % reply_to)
+        if status:
+            fp.write('status: %s\n' % status)
+        if post_format:
+            fp.write('format: %s\n' % post_format)
+        fp.write('time: %02d:%02d:%02d\n' % (now.hour, now.minute, now.second))
+        fp.write('---\n')
+
+        if summary:
+            fp.write(summary)
+            fp.write('\n')
+            fp.write('<!--break-->\n\n')
+        fp.write(content)
+
+        if photo_urls:
+            fp.write('\n\n')
+            for pu in photo_urls:
+                fp.write('<img src="{{assets.%s}}" alt=""/>\n\n' % pu)
+
+        if photo_names:
+            fp.write('\n\n')
+            for pn in photo_names:
+                fp.write('<img src="{{assets.%s}}" alt="%s"/>\n\n' %
+                         (pn, pn))
+
+    route = pcapp.getSourceRoute(source.name)
+    if route is None:
+        logger.error("Can't find route for source: %s" % source.name)
+        abort(500)
+
+    page = Page(source, content_item)
+    uri = page.getUri()
+    return uri
+
--- a/piecrust/admin/views/preview.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/views/preview.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,25 +1,21 @@
 from flask import current_app, g, make_response
 from flask.ext.login import login_required
-from piecrust.app import PieCrustFactory
-from piecrust.serving.server import Server
+from piecrust.serving.server import PieCrustServer
 from ..blueprint import foodtruck_bp
 
 
-@foodtruck_bp.route('/site/<sitename>/')
+@foodtruck_bp.route('/preview/')
 @login_required
-def preview_site_root(sitename):
-    return preview_site(sitename, '/')
+def preview_root_page():
+    return preview_page('/')
 
 
-@foodtruck_bp.route('/site/<sitename>/<path:url>')
+@foodtruck_bp.route('/preview/<path:url>')
 @login_required
-def preview_site(sitename, url):
-    root_dir = g.sites.get_root_dir(sitename)
-    appfactory = PieCrustFactory(
-        root_dir,
-        cache_key='foodtruck',
-        debug=current_app.debug)
-    server = Server(appfactory,
-                    root_url='/site/%s/' % sitename)
-    return make_response(server._run_request)
+def preview_page(url):
+    pcappfac = g.site.piecrust_factory
+    url_prefix = current_app.config['FOODTRUCK_URL_PREFIX']
+    server = PieCrustServer(pcappfac,
+                            root_url='%s/preview/' % url_prefix)
+    return make_response(server)
 
--- a/piecrust/admin/views/publish.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/views/publish.py	Fri Sep 29 17:05:09 2017 -0700
@@ -4,7 +4,7 @@
 from flask.ext.login import login_required
 from ..blueprint import foodtruck_bp
 from ..pubutil import PublishLogReader
-from ..views import with_menu_context
+from ..views import with_menu_context, with_base_data
 
 
 logger = logging.getLogger(__name__)
@@ -23,13 +23,15 @@
     site = g.site
     pub_cfg = copy.deepcopy(site.piecrust_app.config.get('publish', {}))
     if not pub_cfg:
-        data = {'error': "There are not publish targets defined in your "
+        data = {'error': "There are no publish targets defined in your "
                          "configuration file."}
+        with_base_data(data)
         return render_template('error.html', **data)
 
     data = {}
     data['url_run'] = url_for('.publish')
-    data['site_title'] = site.piecrust_app.config.get('site/title', site.name)
+    data['site_title'] = site.piecrust_app.config.get('site/title',
+                                                      "Unnamed Website")
     data['targets'] = []
     for tn in sorted(pub_cfg.keys()):
         tc = pub_cfg[tn]
--- a/piecrust/admin/views/sources.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/views/sources.py	Fri Sep 29 17:05:09 2017 -0700
@@ -18,17 +18,16 @@
     default_author = site.config.get('site/author')
     data = {'title': "List %s" % source_name}
     data['pages'] = []
-    pgn = Paginator(None, source, page_num=page_num, items_per_page=20)
+    pgn = Paginator(source, None, sub_num=page_num, items_per_page=20)
     for p in pgn.items:
         page_data = {
             'title': p['title'],
             'author': p.get('author', default_author),
-            'slug': p['slug'],
             'timestamp': p['timestamp'],
             'tags': p.get('tags', []),
             'category': p.get('category'),
             'source': source_name,
-            'url': url_for('.edit_page', slug=p['slug'])
+            'url': url_for('.edit_page', uri=p['slug'])
         }
         data['pages'].append(page_data)
 
--- a/piecrust/admin/web.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/admin/web.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,69 +1,46 @@
 import os.path
 import logging
-from flask import Flask, render_template
+from flask import Flask
 from werkzeug import SharedDataMiddleware
-from .blueprint import foodtruck_bp
-from .configuration import FoodTruckConfigNotFoundError
-from .sites import InvalidSiteError
 
 
 logger = logging.getLogger(__name__)
 
 
 def create_foodtruck_app(extra_settings=None):
+    from .blueprint import foodtruck_bp
+
     app = Flask(__name__.split('.')[0], static_folder=None)
     app.config.from_object('piecrust.admin.settings')
-    app.config.from_envvar('FOODTRUCK_SETTINGS', silent=True)
     if extra_settings:
         app.config.update(extra_settings)
 
-    admin_root = app.config.setdefault('FOODTRUCK_ROOT', os.getcwd())
-    config_path = os.path.join(admin_root, 'app.cfg')
+    root_dir = app.config.setdefault('FOODTRUCK_ROOT', os.getcwd())
 
-    # If we're being run as the `chef admin run` command, from inside a
-    # PieCrust website, do a few things differently.
-    app.config['FOODTRUCK_PROCEDURAL_CONFIG'] = None
-    if (app.config.get('FOODTRUCK_CMDLINE_MODE', False) and
-            os.path.isfile(os.path.join(admin_root, 'config.yml'))):
-        app.secret_key = os.urandom(22)
-        app.config['LOGIN_DISABLED'] = True
-        app.config['FOODTRUCK_PROCEDURAL_CONFIG'] = {
-            'sites': {
-                'local': admin_root}
-        }
+    app.config.from_pyfile(os.path.join(root_dir, 'admin_app.cfg'),
+                           silent=True)
+    app.config.from_envvar('FOODTRUCK_SETTINGS', silent=True)
 
     # Add a special route for the `.well-known` directory.
     app.wsgi_app = SharedDataMiddleware(
         app.wsgi_app,
-        {'/.well-known': os.path.join(admin_root, '.well-known')})
+        {'/.well-known': os.path.join(root_dir, '.well-known')})
 
-    if os.path.isfile(config_path):
-        app.config.from_pyfile(config_path)
-
+    # Setup logging/error handling.
     if app.config['DEBUG']:
         l = logging.getLogger()
         l.setLevel(logging.DEBUG)
-    else:
-        @app.errorhandler(FoodTruckConfigNotFoundError)
-        def _on_config_missing(ex):
-            return render_template('install.html')
 
-        @app.errorhandler(InvalidSiteError)
-        def _on_invalid_site(ex):
-            data = {'error':
-                    "The was an error with your configuration file: %s" %
-                    str(ex)}
-            return render_template('error.html', **data)
-
-    if not app.secret_key:
+    if not app.config['SECRET_KEY']:
         # If there's no secret key, create a temp one but mark the app as not
         # correctly installed so it shows the installation information page.
-        app.secret_key = 'temp-key'
+        app.config['SECRET_KEY'] = 'temp-key'
 
     # Register extensions and blueprints.
-    app.register_blueprint(foodtruck_bp)
+    bp_prefix = app.config['FOODTRUCK_URL_PREFIX']
+    app.register_blueprint(foodtruck_bp, url_prefix=bp_prefix)
 
-    logger.debug("Created FoodTruck app with admin root: %s" % admin_root)
+    logger.debug("Created FoodTruck app with admin root: %s" % root_dir)
 
     return app
 
--- a/piecrust/admin/wsgiutil.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,24 +0,0 @@
-import logging
-
-
-logger = logging.getLogger()
-
-
-def get_wsgi_app(admin_root=None, log_file=None,
-                 max_log_bytes=4096, log_backup_count=0,
-                 log_level=logging.INFO):
-    if log_file:
-        from logging.handlers import RotatingFileHandler
-        handler = RotatingFileHandler(log_file, maxBytes=max_log_bytes,
-                                      backupCount=log_backup_count)
-        handler.setLevel(log_level)
-        logging.getLogger().addHandler(handler)
-
-    logger.debug("Creating WSGI application.")
-    es = {}
-    if admin_root:
-        es['FOODTRUCK_ROOT'] = admin_root
-    from .web import create_foodtruck_app
-    app = create_foodtruck_app(es)
-    return app
-
--- a/piecrust/app.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/app.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,21 +1,20 @@
 import time
 import os.path
-import hashlib
 import logging
 import urllib.parse
 from werkzeug.utils import cached_property
 from piecrust import (
-        RESOURCES_DIR,
-        CACHE_DIR, TEMPLATES_DIR, ASSETS_DIR,
-        THEME_DIR, PLUGINS_DIR,
-        CONFIG_PATH, THEME_CONFIG_PATH)
+    RESOURCES_DIR,
+    CACHE_DIR, TEMPLATES_DIR, ASSETS_DIR,
+    THEME_DIR, PLUGINS_DIR,
+    CONFIG_PATH, THEME_CONFIG_PATH)
 from piecrust.appconfig import PieCrustConfiguration
 from piecrust.cache import ExtensibleCache, NullExtensibleCache
-from piecrust.configuration import ConfigurationError, merge_dicts
+from piecrust.configuration import ConfigurationError
 from piecrust.environment import StandardEnvironment
+from piecrust.page import Page
 from piecrust.plugins.base import PluginLoader
 from piecrust.routing import Route
-from piecrust.sources.base import REALM_THEME
 
 
 logger = logging.getLogger(__name__)
@@ -35,18 +34,23 @@
         else:
             self.cache = NullExtensibleCache()
 
+        if env is None:
+            env = StandardEnvironment()
         self.env = env
-        if self.env is None:
-            self.env = StandardEnvironment()
-        self.env.initialize(self)
-        self.env.registerTimer('SiteConfigLoad')
-        self.env.registerTimer('PageLoad')
-        self.env.registerTimer("PageDataBuild")
-        self.env.registerTimer("BuildRenderData")
-        self.env.registerTimer("PageRender")
-        self.env.registerTimer("PageRenderSegments")
-        self.env.registerTimer("PageRenderLayout")
-        self.env.registerTimer("PageSerialize")
+        env.initialize(self)
+
+        stats = env.stats
+        stats.registerTimer('SiteConfigLoad')
+        stats.registerTimer('PageLoad')
+        stats.registerTimer("BuildRenderData")
+        stats.registerTimer("BuildLazyPageData")
+        stats.registerTimer("PageRender")
+        stats.registerTimer("PageRenderSegments")
+        stats.registerTimer("PageRenderLayout")
+        stats.registerTimer("PageSerialize")
+        stats.registerCounter('PageLoads')
+        stats.registerCounter('PageRenderSegments')
+        stats.registerCounter('PageRenderLayout')
 
     @cached_property
     def config(self):
@@ -64,25 +68,26 @@
 
         config_cache = self.cache.getCache('app')
         config = PieCrustConfiguration(
-                path=path, theme_path=theme_path,
-                cache=config_cache, theme_config=self.theme_site)
+            path=path, theme_path=theme_path,
+            cache=config_cache, theme_config=self.theme_site)
 
         local_path = os.path.join(
-                self.root_dir, 'configs', 'local.yml')
+            self.root_dir, 'configs', 'local.yml')
         config.addVariant(local_path, raise_if_not_found=False)
 
         if self.theme_site:
             variant_path = os.path.join(
-                    self.root_dir, 'configs', 'theme_preview.yml')
+                self.root_dir, 'configs', 'theme_preview.yml')
             config.addVariant(variant_path, raise_if_not_found=False)
 
-        self.env.stepTimer('SiteConfigLoad', time.perf_counter() - start_time)
+        self.env.stats.stepTimer('SiteConfigLoad',
+                                 time.perf_counter() - start_time)
         return config
 
     @cached_property
     def assets_dirs(self):
         assets_dirs = self._get_configurable_dirs(
-                ASSETS_DIR, 'site/assets_dirs')
+            ASSETS_DIR, 'site/assets_dirs')
 
         # Also add the theme directory, if any.
         if self.theme_dir:
@@ -95,7 +100,7 @@
     @cached_property
     def templates_dirs(self):
         templates_dirs = self._get_configurable_dirs(
-                TEMPLATES_DIR, 'site/templates_dirs')
+            TEMPLATES_DIR, 'site/templates_dirs')
 
         # Also, add the theme directory, if any.
         if self.theme_dir:
@@ -148,6 +153,7 @@
                                          s['type'])
             src = cls(self, n, s)
             sources.append(src)
+
         return sources
 
     @cached_property
@@ -156,25 +162,10 @@
         for r in self.config.get('site/routes'):
             rte = Route(self, r)
             routes.append(rte)
+        routes = sorted(routes, key=lambda r: r.pass_num)
         return routes
 
     @cached_property
-    def generators(self):
-        defs = {}
-        for cls in self.plugin_loader.getPageGenerators():
-            defs[cls.GENERATOR_NAME] = cls
-
-        gens = []
-        for n, g in self.config.get('site/generators').items():
-            cls = defs.get(g['type'])
-            if cls is None:
-                raise ConfigurationError("No such page generator type: %s" %
-                                         g['type'])
-            gen = cls(self, n, g)
-            gens.append(gen)
-        return gens
-
-    @cached_property
     def publishers(self):
         defs_by_name = {}
         defs_by_scheme = {}
@@ -187,20 +178,25 @@
         publish_config = self.config.get('publish')
         if publish_config is None:
             return tgts
+
         for n, t in publish_config.items():
-            pub_type = None
-            is_scheme = False
+            pub_class = None
             if isinstance(t, dict):
                 pub_type = t.get('type')
+                pub_class = defs_by_name[pub_type]
+                pub_cfg = t
             elif isinstance(t, str):
                 comps = urllib.parse.urlparse(t)
                 pub_type = comps.scheme
-                is_scheme = True
-            cls = (defs_by_scheme.get(pub_type) if is_scheme
-                    else defs_by_name.get(pub_type))
-            if cls is None:
+                pub_class = defs_by_scheme[pub_type]
+                pub_cfg = None
+            if pub_class is None:
                 raise ConfigurationError("No such publisher: %s" % pub_type)
-            tgt = cls(self, n, t)
+
+            tgt = pub_class(self, n, pub_cfg)
+            if pub_cfg is None:
+                tgt.parseUrlTarget(comps)
+
             tgts.append(tgt)
         return tgts
 
@@ -208,31 +204,17 @@
         for source in self.sources:
             if source.name == source_name:
                 return source
-        return None
 
-    def getGenerator(self, generator_name):
-        for gen in self.generators:
-            if gen.name == generator_name:
-                return gen
-        return None
+        from piecrust.sources.base import SourceNotFoundError
+        raise SourceNotFoundError(source_name)
 
-    def getSourceRoutes(self, source_name):
+    def getSourceRoute(self, source_name):
         for route in self.routes:
             if route.source_name == source_name:
-                yield route
+                return route
 
-    def getSourceRoute(self, source_name, route_metadata):
-        for route in self.getSourceRoutes(source_name):
-            if (route_metadata is None or
-                    route.matchesMetadata(route_metadata)):
-                return route
-        return None
-
-    def getGeneratorRoute(self, generator_name):
-        for route in self.routes:
-            if route.generator_name == generator_name:
-                return route
-        return None
+        from piecrust.routing import RouteNotFoundError
+        raise RouteNotFoundError(source_name)
 
     def getPublisher(self, target_name):
         for pub in self.publishers:
@@ -240,6 +222,12 @@
                 return pub
         return None
 
+    def getPage(self, source, content_item):
+        cache_key = '%s@%s' % (source.name, content_item.spec)
+        return self.env.page_repository.get(
+            cache_key,
+            lambda: Page(source, content_item))
+
     def _get_dir(self, default_rel_dir):
         abs_dir = os.path.join(self.root_dir, default_rel_dir)
         if os.path.isdir(abs_dir):
@@ -265,41 +253,45 @@
         return dirs
 
 
-def apply_variant_and_values(app, config_variant=None, config_values=None):
-    if config_variant is not None:
-        logger.debug("Adding configuration variant '%s'." % config_variant)
-        variant_path = os.path.join(
-                app.root_dir, 'configs', '%s.yml' % config_variant)
-        app.config.addVariant(variant_path)
+def apply_variants_and_values(app, config_variants=None, config_values=None):
+    if config_variants is not None:
+        for value in config_variants:
+            logger.debug("Adding configuration variant '%s'." % value)
+            variant_path = os.path.join(
+                app.root_dir, 'configs', '%s.yml' % value)
+            app.config.addVariant(variant_path)
 
     if config_values is not None:
         for name, value in config_values:
-            logger.debug("Adding configuration override '%s': %s" % (name, value))
+            logger.debug("Adding configuration override '%s': %s" %
+                         (name, value))
             app.config.addVariantValue(name, value)
 
 
 class PieCrustFactory(object):
+    """ A class that builds a PieCrust app instance.
+    """
     def __init__(
             self, root_dir, *,
             cache=True, cache_key=None,
-            config_variant=None, config_values=None,
+            config_variants=None, config_values=None,
             debug=False, theme_site=False):
         self.root_dir = root_dir
         self.cache = cache
         self.cache_key = cache_key
-        self.config_variant = config_variant
+        self.config_variants = config_variants
         self.config_values = config_values
         self.debug = debug
         self.theme_site = theme_site
 
     def create(self):
         app = PieCrust(
-                self.root_dir,
-                cache=self.cache,
-                cache_key=self.cache_key,
-                debug=self.debug,
-                theme_site=self.theme_site)
-        apply_variant_and_values(
-                app, self.config_variant, self.config_values)
+            self.root_dir,
+            cache=self.cache,
+            cache_key=self.cache_key,
+            debug=self.debug,
+            theme_site=self.theme_site)
+        apply_variants_and_values(
+            app, self.config_variants, self.config_values)
         return app
 
--- a/piecrust/appconfig.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/appconfig.py	Fri Sep 29 17:05:09 2017 -0700
@@ -16,10 +16,8 @@
 from piecrust.cache import NullCache
 from piecrust.configuration import (
     Configuration, ConfigurationError, ConfigurationLoader,
-    try_get_dict_values, try_get_dict_value, set_dict_value,
-    merge_dicts, visit_dict,
-    MERGE_NEW_VALUES, MERGE_OVERWRITE_VALUES, MERGE_PREPEND_LISTS,
-    MERGE_APPEND_LISTS)
+    try_get_dict_values, set_dict_value,
+    merge_dicts, visit_dict)
 from piecrust.sources.base import REALM_USER, REALM_THEME
 
 
@@ -104,6 +102,8 @@
                 APP_VERSION, CACHE_VERSION)).encode('utf8'))
         for p in paths:
             cache_key_hash.update(("&path=%s" % p).encode('utf8'))
+        cache_key_hash.update(
+            ("&fixups=%d" % len(self._post_fixups)).encode('utf8'))
         cache_key = cache_key_hash.hexdigest()
 
         # Check the cache for a valid version.
@@ -177,7 +177,6 @@
         # [custom theme] + [default theme] + [default]
         if theme_values is not None:
             self._processThemeLayer(theme_values, values)
-            merge_dicts(values, theme_values)
 
         # Make all sources belong to the "theme" realm at this point.
         srcc = values['site'].get('sources')
@@ -190,7 +189,6 @@
         #   [default]
         if site_values is not None:
             self._processSiteLayer(site_values, values)
-            merge_dicts(values, site_values)
 
         # Set the theme site flag.
         if self.theme_config:
@@ -209,10 +207,14 @@
         # Generate the default theme model.
         gen_default_theme_model = bool(try_get_dict_values(
             (theme_values, 'site/use_default_theme_content'),
-            (values, 'site/use_default_theme_content'),
             default=True))
         if gen_default_theme_model:
-            self._generateDefaultThemeModel(theme_values, values)
+            logger.debug("Generating default theme content model...")
+            cc = copy.deepcopy(default_theme_content_model_base)
+            merge_dicts(values, cc)
+
+        # Merge the theme config into the result config.
+        merge_dicts(values, theme_values)
 
     def _processSiteLayer(self, site_values, values):
         # Default site content.
@@ -221,34 +223,29 @@
             (values, 'site/use_default_content'),
             default=True))
         if gen_default_site_model:
-            self._generateDefaultSiteModel(site_values, values)
+            logger.debug("Generating default content model...")
+            cc = copy.deepcopy(default_content_model_base)
+            merge_dicts(values, cc)
 
-    def _generateDefaultThemeModel(self, theme_values, values):
-        logger.debug("Generating default theme content model...")
-        cc = copy.deepcopy(default_theme_content_model_base)
-        merge_dicts(values, cc)
-
-    def _generateDefaultSiteModel(self, site_values, values):
-        logger.debug("Generating default content model...")
-        cc = copy.deepcopy(default_content_model_base)
-        merge_dicts(values, cc)
+            dcm = get_default_content_model(site_values, values)
+            merge_dicts(values, dcm)
 
-        dcm = get_default_content_model(site_values, values)
-        merge_dicts(values, dcm)
+            blogsc = try_get_dict_values(
+                (site_values, 'site/blogs'),
+                (values, 'site/blogs'))
+            if blogsc is None:
+                blogsc = ['posts']
+                set_dict_value(site_values, 'site/blogs', blogsc)
 
-        blogsc = try_get_dict_values(
-            (site_values, 'site/blogs'),
-            (values, 'site/blogs'))
-        if blogsc is None:
-            blogsc = ['posts']
-            set_dict_value(site_values, 'site/blogs', blogsc)
+            is_only_blog = (len(blogsc) == 1)
+            for blog_name in reversed(blogsc):
+                blog_cfg = get_default_content_model_for_blog(
+                    blog_name, is_only_blog, site_values, values,
+                    theme_site=self.theme_config)
+                merge_dicts(values, blog_cfg)
 
-        is_only_blog = (len(blogsc) == 1)
-        for blog_name in reversed(blogsc):
-            blog_cfg = get_default_content_model_for_blog(
-                blog_name, is_only_blog, site_values, values,
-                theme_site=self.theme_config)
-            merge_dicts(values, blog_cfg)
+        # Merge the site config into the result config.
+        merge_dicts(values, site_values)
 
     def _validateAll(self, values):
         if values is None:
@@ -304,9 +301,6 @@
     taxonomies = v.get('taxonomies')
     if taxonomies is None:
         v['taxonomies'] = {}
-    generators = v.get('generators')
-    if generators is None:
-        v['generators'] = {}
     return v
 
 
@@ -333,8 +327,8 @@
 
     v.setdefault('html', values['site']['default_format'])
     auto_formats_re = r"\.(%s)$" % (
-            '|'.join(
-                    [re.escape(i) for i in list(v.keys())]))
+        '|'.join(
+            [re.escape(i) for i in list(v.keys())]))
     cache.write('auto_formats_re', auto_formats_re)
     return v
 
@@ -343,7 +337,7 @@
 def _validate_site_default_auto_format(v, values, cache):
     if v not in values['site']['auto_formats']:
         raise ConfigurationError(
-                "Default auto-format '%s' is not declared." % v)
+            "Default auto-format '%s' is not declared." % v)
     return v
 
 
@@ -393,27 +387,20 @@
         sc.setdefault('type', 'default')
         sc.setdefault('fs_endpoint', sn)
         sc.setdefault('ignore_missing_dir', False)
-        sc.setdefault('data_endpoint', sn)
-        sc.setdefault('data_type', 'iterator')
+        sc.setdefault('data_endpoint', None)
+        sc.setdefault('data_type', None)
         sc.setdefault('item_name', sn)
         sc.setdefault('items_per_page', 5)
         sc.setdefault('date_format', DEFAULT_DATE_FORMAT)
         sc.setdefault('realm', REALM_USER)
+        sc.setdefault('pipeline', None)
 
         # Validate endpoints.
         endpoint = sc['data_endpoint']
         if endpoint in reserved_endpoints:
             raise ConfigurationError(
-                    "Source '%s' is using a reserved endpoint name: %s" %
-                    (sn, endpoint))
-
-        # Validate generators.
-        for gn, gc in sc.get('generators', {}).items():
-            if not isinstance(gc, dict):
-                raise ConfigurationError(
-                    "Generators for source '%s' should be defined in a "
-                    "dictionary." % sn)
-            gc['source'] = sn
+                "Source '%s' is using a reserved endpoint name: %s" %
+                (sn, endpoint))
 
     return v
 
@@ -427,6 +414,8 @@
 
     # Check routes are referencing correct sources, have default
     # values, etc.
+    used_sources = set()
+    existing_sources = set(values['site']['sources'].keys())
     for rc in v:
         if not isinstance(rc, dict):
             raise ConfigurationError("All routes in 'site/routes' must be "
@@ -439,20 +428,17 @@
             raise ConfigurationError("Route URLs must start with '/'.")
 
         r_source = rc.get('source')
-        r_generator = rc.get('generator')
-        if r_source is None and r_generator is None:
-            raise ConfigurationError("Routes must specify a source or "
-                                     "generator.")
-        if (r_source and
-                r_source not in list(values['site']['sources'].keys())):
+        if r_source is None:
+            raise ConfigurationError("Routes must specify a source.")
+        if r_source not in existing_sources:
             raise ConfigurationError("Route is referencing unknown "
                                      "source: %s" % r_source)
-        if (r_generator and
-                r_generator not in list(values['site']['generators'].keys())):
-            raise ConfigurationError("Route is referencing unknown "
-                                     "generator: %s" % r_generator)
+        if r_source in used_sources:
+            raise ConfigurationError("Source '%s' already has a route." %
+                                     r_source)
+        used_sources.add(r_source)
 
-        rc.setdefault('generator', None)
+        rc.setdefault('pass', 1)
         rc.setdefault('page_suffix', '/%num%')
 
     return v
@@ -461,7 +447,7 @@
 def _validate_site_taxonomies(v, values, cache):
     if not isinstance(v, dict):
         raise ConfigurationError(
-                "The 'site/taxonomies' setting must be a mapping.")
+            "The 'site/taxonomies' setting must be a mapping.")
     for tn, tc in v.items():
         tc.setdefault('multiple', False)
         tc.setdefault('term', tn)
@@ -469,23 +455,12 @@
     return v
 
 
-def _validate_site_generators(v, values, cache):
-    if not isinstance(v, dict):
-        raise ConfigurationError(
-                "The 'site/generators' setting must be a mapping.")
-    for gn, gc in v.items():
-        if 'type' not in gc:
-            raise ConfigurationError(
-                    "Generator '%s' doesn't specify a type." % gn)
-    return v
-
-
 def _validate_site_plugins(v, values, cache):
     if isinstance(v, str):
         v = v.split(',')
     elif not isinstance(v, list):
         raise ConfigurationError(
-                "The 'site/plugins' setting must be an array, or a "
-                "comma-separated list.")
+            "The 'site/plugins' setting must be an array, or a "
+            "comma-separated list.")
     return v
 
--- a/piecrust/appconfigdefaults.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/appconfigdefaults.py	Fri Sep 29 17:05:09 2017 -0700
@@ -4,16 +4,16 @@
     DEFAULT_DATE_FORMAT, DEFAULT_THEME_SOURCE)
 from piecrust.configuration import (
     get_dict_values, try_get_dict_values)
-from piecrust.sources.base import REALM_THEME
 
 
+# Default configuration for all websites.
+#
 default_configuration = collections.OrderedDict({
     'site': collections.OrderedDict({
         'title': "Untitled PieCrust website",
         'root': '/',
         'default_format': DEFAULT_FORMAT,
         'default_template_engine': DEFAULT_TEMPLATE_ENGINE,
-        'enable_gzip': True,
         'pretty_urls': False,
         'trailing_slash': False,
         'date_format': DEFAULT_DATE_FORMAT,
@@ -26,9 +26,6 @@
         'pagination_suffix': '/%num%',
         'slugify_mode': 'encode',
         'themes_sources': [DEFAULT_THEME_SOURCE],
-        'cache_time': 28800,
-        'enable_debug_info': True,
-        'show_debug_info': False,
         'use_default_content': True,
         'use_default_theme_content': True,
         'theme_site': False
@@ -37,21 +34,32 @@
         'no_bake_setting': 'draft',
         'workers': None,
         'batch_size': None
+    }),
+    'server': collections.OrderedDict({
+        'enable_gzip': True,
+        'cache_time': 28800,
+        'enable_debug_info': True,
+        'show_debug_info': False
     })
 })
 
 
+# Default content model for themes.
+#
 default_theme_content_model_base = collections.OrderedDict({
     'site': collections.OrderedDict({
         'sources': collections.OrderedDict({
             'theme_pages': {
-                'type': 'default',
+                'fs_endpoint': 'pages',
                 'ignore_missing_dir': True,
-                'fs_endpoint': 'pages',
                 'data_endpoint': 'site.pages',
-                'default_layout': 'default',
                 'item_name': 'page',
-                'realm': REALM_THEME
+            },
+            'theme_assets': {
+                'fs_endpoint': 'assets',
+                'ignore_missing_dir': True,
+                'type': 'fs',
+                'pipeline': 'asset'
             }
         }),
         'routes': [
@@ -60,15 +68,47 @@
                 'source': 'theme_pages',
                 'func': 'pcurl'
             }
-        ],
-        'theme_tag_page': 'theme_pages:_tag.%ext%',
-        'theme_category_page': 'theme_pages:_category.%ext%',
-        'theme_month_page': 'theme_pages:_month.%ext%',
-        'theme_year_page': 'theme_pages:_year.%ext%'
+        ]
     })
 })
 
 
+# Additional theme configuration when previewing a theme by itself,
+# so it can show some "sample/preview" content.
+#
+default_theme_preview_content_model = collections.OrderedDict({
+    'site': collections.OrderedDict({
+        'sources': collections.OrderedDict({
+            'theme_preview_pages': {
+                'fs_endpoint': 'preview/pages',
+                'ignore_missing_dir': True,
+                'data_endpoint': 'site.pages',
+                'item_name': 'page',
+            },
+            'theme_preview_posts': {
+                'fs_endpoint': 'preview/posts',
+                'ignore_missing_dir': True,
+                'data_endpoint': 'blog.posts',
+                'item_name': 'post'
+            }
+        }),
+        'routes': [
+            {
+                'url': '/posts/%year%/%month%/%slug%',
+                'source': 'theme_preview_posts'
+            },
+            {
+                'url': '/%slug%',
+                'source': 'theme_preview_pages',
+                'func': 'pcurl'
+            }
+        ]
+    })
+})
+
+
+# Default content model for websites.
+#
 default_content_model_base = collections.OrderedDict({
     'site': collections.OrderedDict({
         'posts_fs': DEFAULT_POSTS_FS,
@@ -77,8 +117,18 @@
         'post_url': '/%year%/%month%/%day%/%slug%',
         'year_url': '/archives/%year%',
         'tag_url': '/tag/%tag%',
+        'tag_feed_url': '/tag/%tag%.xml',
         'category_url': '/%category%',
-        'posts_per_page': 5
+        'category_feed_url': '/%category%.xml',
+        'posts_per_page': 5,
+        'sources': {
+            'assets': {
+                'fs_endpoint': 'assets',
+                'ignore_missing_dir': True,
+                'type': 'fs',
+                'pipeline': 'asset'
+            }
+        }
     })
 })
 
@@ -112,7 +162,7 @@
                 }),
                 ('categories', {
                     'term': 'category',
-                    'func_name': 'pccaturl'
+                    'func_term_name': 'cat'
                 })
             ])
         })
@@ -174,14 +224,7 @@
     default_layout = blog_values['default_post_layout']
     post_url = '/' + url_prefix + blog_values['post_url'].lstrip('/')
     year_url = '/' + url_prefix + blog_values['year_url'].lstrip('/')
-
-    year_archive = 'pages:%s_year.%%ext%%' % page_prefix
-    if not theme_site:
-        theme_year_page = try_get_dict_values(
-            (site_values, 'site/theme_year_page'),
-            (values, 'site/theme_year_page'))
-        if theme_year_page:
-            year_archive += ';' + theme_year_page
+    year_archive_tpl = '%s_year.html' % page_prefix
 
     cfg = collections.OrderedDict({
         'site': collections.OrderedDict({
@@ -196,13 +239,11 @@
                     'items_per_page': posts_per_page,
                     'date_format': date_format,
                     'default_layout': default_layout
-                })
-            }),
-            'generators': collections.OrderedDict({
-                ('%s_archives' % blog_name): collections.OrderedDict({
+                }),
+                '%s_archives' % blog_name: collections.OrderedDict({
                     'type': 'blog_archives',
                     'source': blog_name,
-                    'page': year_archive
+                    'template': year_archive_tpl
                 })
             }),
             'routes': [
@@ -213,14 +254,14 @@
                 },
                 {
                     'url': year_url,
-                    'generator': ('%s_archives' % blog_name),
+                    'source': ('%s_archives' % blog_name),
                     'func': ('%syearurl' % tpl_func_prefix)
                 }
             ]
         })
     })
 
-    # Add a generator and a route for each taxonomy.
+    # Add a source and a route for each taxonomy.
     taxonomies_cfg = try_get_dict_values(
         (site_values, 'site/taxonomies'),
         (values, 'site/taxonomies'),
@@ -228,22 +269,16 @@
     for tax_name, tax_cfg in taxonomies_cfg.items():
         term = tax_cfg.get('term', tax_name)
 
-        # Generator.
-        page_ref = 'pages:%s_%s.%%ext%%' % (page_prefix, term)
-        if not theme_site:
-            theme_page_ref = try_get_dict_values(
-                (site_values, 'site/theme_%s_page' % term),
-                (values, 'site/theme_%s_page' % term))
-            if theme_page_ref:
-                page_ref += ';' + theme_page_ref
-        tax_gen_name = '%s_%s' % (blog_name, tax_name)
-        tax_gen = collections.OrderedDict({
+        # Source.
+        term_tpl = '%s_%s.html' % (page_prefix, term)
+        tax_src_name = '%s_%s' % (blog_name, tax_name)
+        tax_src = collections.OrderedDict({
             'type': 'taxonomy',
             'source': blog_name,
             'taxonomy': tax_name,
-            'page': page_ref
+            'template': term_tpl
         })
-        cfg['site']['generators'][tax_gen_name] = tax_gen
+        cfg['site']['sources'][tax_src_name] = tax_src
 
         # Route.
         tax_url_cfg_name = '%s_url' % term
@@ -253,14 +288,15 @@
             (values, 'site/%s' % tax_url_cfg_name),
             default=('%s/%%%s%%' % (term, term)))
         tax_url = '/' + url_prefix + tax_url.lstrip('/')
-        tax_func_name = try_get_dict_values(
-            (site_values, 'site/taxonomies/%s/func_name' % tax_name),
-            (values, 'site/taxonomies/%s/func_name' % tax_name),
-            default=('%s%surl' % (tpl_func_prefix, term)))
+        tax_func_term_name = try_get_dict_values(
+            (site_values, 'site/taxonomies/%s/func_term_name' % tax_name),
+            (values, 'site/taxonomies/%s/func_term_name' % tax_name),
+            default=term)
+        tax_func_name = '%s%surl' % (tpl_func_prefix, tax_func_term_name)
         tax_route = collections.OrderedDict({
             'url': tax_url,
-            'generator': tax_gen_name,
-            'taxonomy': tax_name,
+            'pass': 2,
+            'source': tax_src_name,
             'func': tax_func_name
         })
         cfg['site']['routes'].append(tax_route)
--- a/piecrust/baking/baker.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/baking/baker.py	Fri Sep 29 17:05:09 2017 -0700
@@ -2,79 +2,82 @@
 import os.path
 import hashlib
 import logging
-from piecrust.baking.records import (
-        BakeRecordEntry, TransitionalBakeRecord)
-from piecrust.baking.worker import (
-        save_factory,
-        JOB_LOAD, JOB_RENDER_FIRST, JOB_BAKE)
 from piecrust.chefutil import (
-        format_timed_scope, format_timed)
+    format_timed_scope, format_timed)
 from piecrust.environment import ExecutionStats
-from piecrust.generation.base import PageGeneratorBakeContext
-from piecrust.routing import create_route_metadata
-from piecrust.sources.base import (
-        REALM_NAMES, REALM_USER, REALM_THEME)
+from piecrust.pipelines.base import (
+    PipelineJobCreateContext, PipelineMergeRecordContext, PipelineManager,
+    get_pipeline_name_for_source)
+from piecrust.pipelines.records import (
+    MultiRecordHistory, MultiRecord, RecordEntry,
+    load_records)
+from piecrust.sources.base import REALM_USER, REALM_THEME, REALM_NAMES
 
 
 logger = logging.getLogger(__name__)
 
 
+def get_bake_records_path(app, out_dir, *, suffix=''):
+    records_cache = app.cache.getCache('baker')
+    records_id = hashlib.md5(out_dir.encode('utf8')).hexdigest()
+    records_name = '%s%s.records' % (records_id, suffix)
+    return records_cache.getCachePath(records_name)
+
+
 class Baker(object):
-    def __init__(self, app, out_dir, force=False,
-                 applied_config_variant=None,
-                 applied_config_values=None):
-        assert app and out_dir
+    def __init__(self, appfactory, app, out_dir, *,
+                 force=False,
+                 allowed_pipelines=None,
+                 forbidden_pipelines=None,
+                 allowed_sources=None,
+                 rotate_bake_records=True):
+        self.appfactory = appfactory
         self.app = app
         self.out_dir = out_dir
         self.force = force
-        self.applied_config_variant = applied_config_variant
-        self.applied_config_values = applied_config_values
-
-        # Remember what generator pages we should skip.
-        self.generator_pages = []
-        logger.debug("Gathering generator page paths:")
-        for gen in self.app.generators:
-            for path in gen.page_ref.possible_paths:
-                self.generator_pages.append(path)
-                logger.debug(" - %s" % path)
-
-        # Register some timers.
-        self.app.env.registerTimer('LoadJob', raise_if_registered=False)
-        self.app.env.registerTimer('RenderFirstSubJob',
-                                   raise_if_registered=False)
-        self.app.env.registerTimer('BakeJob', raise_if_registered=False)
+        self.allowed_pipelines = allowed_pipelines
+        self.forbidden_pipelines = forbidden_pipelines
+        self.allowed_sources = allowed_sources
+        self.rotate_bake_records = rotate_bake_records
 
     def bake(self):
+        start_time = time.perf_counter()
         logger.debug("  Bake Output: %s" % self.out_dir)
         logger.debug("  Root URL: %s" % self.app.config.get('site/root'))
 
         # Get into bake mode.
-        start_time = time.perf_counter()
         self.app.config.set('baker/is_baking', True)
-        self.app.env.base_asset_url_format = '%uri%'
+        self.app.config.set('site/asset_url_format', '%page_uri%/%filename%')
+
+        stats = self.app.env.stats
+        stats.registerTimer('WorkerTaskPut')
 
         # Make sure the output directory exists.
         if not os.path.isdir(self.out_dir):
             os.makedirs(self.out_dir, 0o755)
 
-        # Load/create the bake record.
-        record = TransitionalBakeRecord()
-        record_cache = self.app.cache.getCache('baker')
-        record_id = hashlib.md5(self.out_dir.encode('utf8')).hexdigest()
-        record_name = record_id + '.record'
-        previous_record_path = None
-        if not self.force and record_cache.has(record_name):
-            with format_timed_scope(logger, "loaded previous bake record",
+        # Load/create the bake records.
+        records_path = get_bake_records_path(
+            self.app, self.out_dir)
+        if not self.force and os.path.isfile(records_path):
+            with format_timed_scope(logger, "loaded previous bake records",
                                     level=logging.DEBUG, colored=False):
-                previous_record_path = record_cache.getCachePath(record_name)
-                record.loadPrevious(previous_record_path)
-        record.current.success = True
+                previous_records = load_records(records_path)
+        else:
+            previous_records = MultiRecord()
+        current_records = MultiRecord()
 
         # Figure out if we need to clean the cache because important things
         # have changed.
-        is_cache_valid = self._handleCacheValidity(record)
+        is_cache_valid = self._handleCacheValidity(previous_records,
+                                                   current_records)
         if not is_cache_valid:
-            previous_record_path = None
+            previous_records = MultiRecord()
+
+        # Create the bake records history which tracks what's up-to-date
+        # or not since last time we baked to the given output folder.
+        record_histories = MultiRecordHistory(
+            previous_records, current_records)
 
         # Pre-create all caches.
         for cache_name in ['app', 'baker', 'pages', 'renders']:
@@ -84,64 +87,102 @@
         # separately so we can handle "overriding" (i.e. one realm overrides
         # another realm's pages, like the user realm overriding the theme
         # realm).
-        sources_by_realm = {}
+        #
+        # Also, create and initialize each pipeline for each source.
+        has_any_pp = False
+        ppmngr = PipelineManager(
+            self.app, self.out_dir, record_histories)
+        ok_pp = self.allowed_pipelines
+        nok_pp = self.forbidden_pipelines
+        ok_src = self.allowed_sources
         for source in self.app.sources:
-            srclist = sources_by_realm.setdefault(source.realm, [])
-            srclist.append(source)
+            if ok_src is not None and source.name not in ok_src:
+                continue
+
+            pname = get_pipeline_name_for_source(source)
+            if ok_pp is not None and pname not in ok_pp:
+                continue
+            if nok_pp is not None and pname in nok_pp:
+                continue
+
+            ppinfo = ppmngr.createPipeline(source)
+            logger.debug(
+                "Created pipeline '%s' for source: %s" %
+                (ppinfo.pipeline.PIPELINE_NAME, source.name))
+            has_any_pp = True
+        if not has_any_pp:
+            raise Exception("The website has no content sources, or the bake "
+                            "command was invoked with all pipelines filtered "
+                            "out. There's nothing to do.")
 
         # Create the worker processes.
-        pool = self._createWorkerPool(previous_record_path)
-
-        # Bake the realms.
+        pool_userdata = _PoolUserData(self, ppmngr)
+        pool = self._createWorkerPool(records_path, pool_userdata)
         realm_list = [REALM_USER, REALM_THEME]
-        for realm in realm_list:
-            srclist = sources_by_realm.get(realm)
-            if srclist is not None:
-                self._bakeRealm(record, pool, realm, srclist)
+
+        # Bake the realms -- user first, theme second, so that a user item
+        # can override a theme item.
+        # Do this for as many times as we have pipeline passes left to do.
+        pp_by_pass_and_realm = _get_pipeline_infos_by_pass_and_realm(
+            ppmngr.getPipelines())
 
-        # Call all the page generators.
-        self._bakePageGenerators(record, pool)
+        for pp_pass_num in sorted(pp_by_pass_and_realm.keys()):
+            logger.debug("Pipelines pass %d" % pp_pass_num)
+            pp_by_realm = pp_by_pass_and_realm[pp_pass_num]
+            for realm in realm_list:
+                pplist = pp_by_realm.get(realm)
+                if pplist is not None:
+                    self._bakeRealm(
+                        pool, record_histories, pp_pass_num, realm, pplist)
+
+        # Handle deletions, collapse records, etc.
+        ppmngr.postJobRun()
+        ppmngr.deleteStaleOutputs()
+        ppmngr.collapseRecords()
 
         # All done with the workers. Close the pool and get reports.
-        reports = pool.close()
+        pool_stats = pool.close()
         total_stats = ExecutionStats()
-        record.current.stats['_Total'] = total_stats
-        for i in range(len(reports)):
-            worker_stats = reports[i]['data']
-            if worker_stats is not None:
-                worker_name = 'BakeWorker_%d' % i
-                record.current.stats[worker_name] = worker_stats
-                total_stats.mergeStats(worker_stats)
+        total_stats.mergeStats(stats)
+        for ps in pool_stats:
+            if ps is not None:
+                total_stats.mergeStats(ps)
+        current_records.stats = total_stats
 
-        # Delete files from the output.
-        self._handleDeletetions(record)
+        # Shutdown the pipelines.
+        ppmngr.shutdownPipelines()
 
         # Backup previous records.
-        for i in range(8, -1, -1):
-            suffix = '' if i == 0 else '.%d' % i
-            record_path = record_cache.getCachePath(
-                    '%s%s.record' % (record_id, suffix))
-            if os.path.exists(record_path):
-                record_path_next = record_cache.getCachePath(
-                        '%s.%s.record' % (record_id, i + 1))
-                if os.path.exists(record_path_next):
-                    os.remove(record_path_next)
-                os.rename(record_path, record_path_next)
+        if self.rotate_bake_records:
+            records_dir, records_fn = os.path.split(records_path)
+            records_id, _ = os.path.splitext(records_fn)
+            for i in range(8, -1, -1):
+                suffix = '' if i == 0 else '.%d' % i
+                records_path_i = os.path.join(
+                    records_dir,
+                    '%s%s.records' % (records_id, suffix))
+                if os.path.exists(records_path_i):
+                    records_path_next = os.path.join(
+                        records_dir,
+                        '%s.%s.records' % (records_id, i + 1))
+                    if os.path.exists(records_path_next):
+                        os.remove(records_path_next)
+                    os.rename(records_path_i, records_path_next)
 
-        # Save the bake record.
-        with format_timed_scope(logger, "saved bake record.",
+        # Save the bake records.
+        with format_timed_scope(logger, "saved bake records.",
                                 level=logging.DEBUG, colored=False):
-            record.current.bake_time = time.time()
-            record.current.out_dir = self.out_dir
-            record.saveCurrent(record_cache.getCachePath(record_name))
+            current_records.bake_time = time.time()
+            current_records.out_dir = self.out_dir
+            current_records.save(records_path)
 
         # All done.
         self.app.config.set('baker/is_baking', False)
         logger.debug(format_timed(start_time, 'done baking'))
 
-        return record.detach()
+        return current_records
 
-    def _handleCacheValidity(self, record):
+    def _handleCacheValidity(self, previous_records, current_records):
         start_time = time.perf_counter()
 
         reason = None
@@ -151,10 +192,9 @@
             # The configuration file was changed, or we're running a new
             # version of the app.
             reason = "not valid anymore"
-        elif (not record.previous.bake_time or
-                not record.previous.hasLatestVersion()):
-            # We have no valid previous bake record.
-            reason = "need bake record regeneration"
+        elif previous_records.invalidated:
+            # We have no valid previous bake records.
+            reason = "need bake records regeneration"
         else:
             # Check if any template has changed since the last bake. Since
             # there could be some advanced conditional logic going on, we'd
@@ -165,261 +205,203 @@
                     for fn in filenames:
                         full_fn = os.path.join(dpath, fn)
                         max_time = max(max_time, os.path.getmtime(full_fn))
-            if max_time >= record.previous.bake_time:
+            if max_time >= previous_records.bake_time:
                 reason = "templates modified"
 
         if reason is not None:
             # We have to bake everything from scratch.
             self.app.cache.clearCaches(except_names=['app', 'baker'])
             self.force = True
-            record.incremental_count = 0
-            record.clearPrevious()
+            current_records.incremental_count = 0
+            previous_records = MultiRecord()
             logger.info(format_timed(
-                    start_time,
-                    "cleaned cache (reason: %s)" % reason))
+                start_time, "cleaned cache (reason: %s)" % reason))
             return False
         else:
-            record.incremental_count += 1
+            current_records.incremental_count += 1
             logger.debug(format_timed(
-                    start_time, "cache is assumed valid",
-                    colored=False))
+                start_time, "cache is assumed valid", colored=False))
             return True
 
-    def _bakeRealm(self, record, pool, realm, srclist):
-        start_time = time.perf_counter()
-        try:
-            record.current.baked_count[realm] = 0
-            record.current.total_baked_count[realm] = 0
-
-            all_factories = []
-            for source in srclist:
-                factories = source.getPageFactories()
-                all_factories += [f for f in factories
-                                  if f.path not in self.generator_pages]
+    def _bakeRealm(self, pool, record_histories, pp_pass_num, realm, pplist):
+        # Start with the first step, where we iterate on the content sources'
+        # items and run jobs on those.
+        pool.userdata.cur_step = 0
+        next_step_jobs = {}
+        pool.userdata.next_step_jobs = next_step_jobs
 
-            self._loadRealmPages(record, pool, all_factories)
-            self._renderRealmPages(record, pool, all_factories)
-            self._bakeRealmPages(record, pool, realm, all_factories)
-        finally:
-            page_count = record.current.baked_count[realm]
-            total_page_count = record.current.total_baked_count[realm]
-            logger.info(format_timed(
-                    start_time,
-                    "baked %d %s pages (%d total)." %
-                    (page_count, REALM_NAMES[realm].lower(),
-                        total_page_count)))
+        start_time = time.perf_counter()
+        job_count = 0
+        realm_name = REALM_NAMES[realm].lower()
+        stats = self.app.env.stats
 
-    def _loadRealmPages(self, record, pool, factories):
-        def _handler(res):
-            # Create the record entry for this page.
-            # This will also update the `dirty_source_names` for the record
-            # as we add page files whose last modification times are later
-            # than the last bake.
-            record_entry = BakeRecordEntry(res['source_name'], res['path'])
-            record_entry.config = res['config']
-            record_entry.timestamp = res['timestamp']
-            if res['errors']:
-                record_entry.errors += res['errors']
-                record.current.success = False
-                self._logErrors(res['path'], res['errors'])
-            record.addEntry(record_entry)
+        for ppinfo in pplist:
+            src = ppinfo.source
+            pp = ppinfo.pipeline
 
-        logger.debug("Loading %d realm pages..." % len(factories))
-        with format_timed_scope(logger,
-                                "loaded %d pages" % len(factories),
-                                level=logging.DEBUG, colored=False,
-                                timer_env=self.app.env,
-                                timer_category='LoadJob'):
-            jobs = []
-            for fac in factories:
-                job = {
-                        'type': JOB_LOAD,
-                        'job': save_factory(fac)}
-                jobs.append(job)
-            ar = pool.queueJobs(jobs, handler=_handler)
-            ar.wait()
-
-    def _renderRealmPages(self, record, pool, factories):
-        def _handler(res):
-            entry = record.getCurrentEntry(res['path'])
-            if res['errors']:
-                entry.errors += res['errors']
-                record.current.success = False
-                self._logErrors(res['path'], res['errors'])
+            logger.debug(
+                "Queuing jobs for source '%s' using pipeline '%s' "
+                "(%s, step 0)." %
+                (src.name, pp.PIPELINE_NAME, realm_name))
 
-        logger.debug("Rendering %d realm pages..." % len(factories))
-        with format_timed_scope(logger,
-                                "prepared %d pages" % len(factories),
-                                level=logging.DEBUG, colored=False,
-                                timer_env=self.app.env,
-                                timer_category='RenderFirstSubJob'):
-            jobs = []
-            for fac in factories:
-                record_entry = record.getCurrentEntry(fac.path)
-                if record_entry.errors:
-                    logger.debug("Ignoring %s because it had previous "
-                                 "errors." % fac.ref_spec)
-                    continue
+            next_step_jobs[src.name] = []
+            jcctx = PipelineJobCreateContext(pp_pass_num, record_histories)
+            jobs = pp.createJobs(jcctx)
+            if jobs is not None:
+                job_count += len(jobs)
+                pool.queueJobs(jobs)
 
-                # Make sure the source and the route exist for this page,
-                # otherwise we add errors to the record entry and we'll skip
-                # this page for the rest of the bake.
-                source = self.app.getSource(fac.source.name)
-                if source is None:
-                    record_entry.errors.append(
-                            "Can't get source for page: %s" % fac.ref_spec)
-                    logger.error(record_entry.errors[-1])
-                    continue
+        stats.stepTimer('WorkerTaskPut', time.perf_counter() - start_time)
 
-                route = self.app.getSourceRoute(fac.source.name, fac.metadata)
-                if route is None:
-                    record_entry.errors.append(
-                            "Can't get route for page: %s" % fac.ref_spec)
-                    logger.error(record_entry.errors[-1])
-                    continue
+        if job_count == 0:
+            logger.debug("No jobs queued! Bailing out of this bake pass.")
+            return
+
+        pool.wait()
 
-                # All good, queue the job.
-                route_index = self.app.routes.index(route)
-                job = {
-                        'type': JOB_RENDER_FIRST,
-                        'job': {
-                            'factory_info': save_factory(fac),
-                            'route_index': route_index
-                            }
-                        }
-                jobs.append(job)
-
-            ar = pool.queueJobs(jobs, handler=_handler)
-            ar.wait()
-
-    def _bakeRealmPages(self, record, pool, realm, factories):
-        def _handler(res):
-            entry = record.getCurrentEntry(res['path'])
-            entry.subs = res['sub_entries']
-            if res['errors']:
-                entry.errors += res['errors']
-                self._logErrors(res['path'], res['errors'])
-            if entry.has_any_error:
-                record.current.success = False
-            if entry.subs and entry.was_any_sub_baked:
-                record.current.baked_count[realm] += 1
-                record.current.total_baked_count[realm] += len(entry.subs)
+        logger.info(format_timed(
+            start_time, "%d pipeline jobs completed (%s, step 0)." %
+            (job_count, realm_name)))
 
-        logger.debug("Baking %d realm pages..." % len(factories))
-        with format_timed_scope(logger,
-                                "baked %d pages" % len(factories),
-                                level=logging.DEBUG, colored=False,
-                                timer_env=self.app.env,
-                                timer_category='BakeJob'):
-            jobs = []
-            for fac in factories:
-                job = self._makeBakeJob(record, fac)
-                if job is not None:
-                    jobs.append(job)
+        # Now let's see if any job created a follow-up job. Let's keep
+        # processing those jobs as long as they create new ones.
+        pool.userdata.cur_step = 1
+        while True:
+            # Make a copy of out next step jobs and reset the list, so
+            # the first jobs to be processed don't mess it up as we're
+            # still iterating on it.
+            next_step_jobs = pool.userdata.next_step_jobs
+            pool.userdata.next_step_jobs = {}
 
-            ar = pool.queueJobs(jobs, handler=_handler)
-            ar.wait()
-
-    def _bakePageGenerators(self, record, pool):
-        for gen in self.app.generators:
-            ctx = PageGeneratorBakeContext(self.app, record, pool, gen)
-            gen.bake(ctx)
-
-    def _makeBakeJob(self, record, fac):
-        # Get the previous (if any) and current entry for this page.
-        pair = record.getPreviousAndCurrentEntries(fac.path)
-        assert pair is not None
-        prev_entry, cur_entry = pair
-        assert cur_entry is not None
+            start_time = time.perf_counter()
+            job_count = 0
 
-        # Ignore if there were errors in the previous passes.
-        if cur_entry.errors:
-            logger.debug("Ignoring %s because it had previous "
-                         "errors." % fac.ref_spec)
-            return None
-
-        # Build the route metadata and find the appropriate route.
-        page = fac.buildPage()
-        route_metadata = create_route_metadata(page)
-        route = self.app.getSourceRoute(fac.source.name, route_metadata)
-        assert route is not None
+            for sn, jobs in next_step_jobs.items():
+                if jobs:
+                    logger.debug(
+                        "Queuing jobs for source '%s' (%s, step %d)." %
+                        (sn, realm_name, pool.userdata.cur_step))
+                    job_count += len(jobs)
+                    pool.userdata.next_step_jobs[sn] = []
+                    pool.queueJobs(jobs)
 
-        # Figure out if this page is overriden by another previously
-        # baked page. This happens for example when the user has
-        # made a page that has the same page/URL as a theme page.
-        uri = route.getUri(route_metadata)
-        override_entry = record.getOverrideEntry(page.path, uri)
-        if override_entry is not None:
-            override_source = self.app.getSource(
-                    override_entry.source_name)
-            if override_source.realm == fac.source.realm:
-                cur_entry.errors.append(
-                        "Page '%s' maps to URL '%s' but is overriden "
-                        "by page '%s'." %
-                        (fac.ref_spec, uri, override_entry.path))
-                logger.error(cur_entry.errors[-1])
-            cur_entry.flags |= BakeRecordEntry.FLAG_OVERRIDEN
-            return None
+            stats.stepTimer('WorkerTaskPut', time.perf_counter() - start_time)
 
-        route_index = self.app.routes.index(route)
-        job = {
-                'type': JOB_BAKE,
-                'job': {
-                        'factory_info': save_factory(fac),
-                        'generator_name': None,
-                        'generator_record_key': None,
-                        'route_index': route_index,
-                        'route_metadata': route_metadata,
-                        'dirty_source_names': record.dirty_source_names
-                        }
-                }
-        return job
+            if job_count == 0:
+                break
+
+            pool.wait()
 
-    def _handleDeletetions(self, record):
-        logger.debug("Handling deletions...")
-        for path, reason in record.getDeletions():
-            logger.debug("Removing '%s': %s" % (path, reason))
-            record.current.deleted.append(path)
-            try:
-                os.remove(path)
-                logger.info('[delete] %s' % path)
-            except OSError:
-                # Not a big deal if that file had already been removed
-                # by the user.
-                pass
+            logger.info(format_timed(
+                start_time,
+                "%d pipeline jobs completed (%s, step %d)." %
+                (job_count, realm_name, pool.userdata.cur_step)))
 
-    def _logErrors(self, path, errors):
-        rel_path = os.path.relpath(path, self.app.root_dir)
-        logger.error("Errors found in %s:" % rel_path)
+            pool.userdata.cur_step += 1
+
+    def _logErrors(self, item_spec, errors):
+        logger.error("Errors found in %s:" % item_spec)
         for e in errors:
             logger.error("  " + e)
 
-    def _createWorkerPool(self, previous_record_path):
-        from piecrust.app import PieCrustFactory
+    def _createWorkerPool(self, previous_records_path, pool_userdata):
         from piecrust.workerpool import WorkerPool
         from piecrust.baking.worker import BakeWorkerContext, BakeWorker
 
-        appfactory = PieCrustFactory(
-                self.app.root_dir,
-                cache=self.app.cache.enabled,
-                cache_key=self.app.cache_key,
-                config_variant=self.applied_config_variant,
-                config_values=self.applied_config_values,
-                debug=self.app.debug,
-                theme_site=self.app.theme_site)
-
         worker_count = self.app.config.get('baker/workers')
         batch_size = self.app.config.get('baker/batch_size')
 
         ctx = BakeWorkerContext(
-                appfactory,
-                self.out_dir,
-                force=self.force,
-                previous_record_path=previous_record_path)
+            self.appfactory,
+            self.out_dir,
+            force=self.force,
+            previous_records_path=previous_records_path,
+            allowed_pipelines=self.allowed_pipelines,
+            forbidden_pipelines=self.forbidden_pipelines)
         pool = WorkerPool(
-                worker_count=worker_count,
-                batch_size=batch_size,
-                worker_class=BakeWorker,
-                initargs=(ctx,))
+            worker_count=worker_count,
+            batch_size=batch_size,
+            worker_class=BakeWorker,
+            initargs=(ctx,),
+            callback=self._handleWorkerResult,
+            error_callback=self._handleWorkerError,
+            userdata=pool_userdata)
         return pool
 
+    def _handleWorkerResult(self, job, res, userdata):
+        cur_step = userdata.cur_step
+        record = userdata.records.getRecord(job.record_name)
+
+        if cur_step == 0:
+            record.addEntry(res.record_entry)
+        else:
+            ppinfo = userdata.ppmngr.getPipeline(job.source_name)
+            ppmrctx = PipelineMergeRecordContext(record, job, cur_step)
+            ppinfo.pipeline.mergeRecordEntry(res.record_entry, ppmrctx)
+
+        npj = res.next_step_job
+        if npj is not None:
+            npj.step_num = cur_step + 1
+            userdata.next_step_jobs[job.source_name].append(npj)
+
+        if not res.record_entry.success:
+            record.success = False
+            userdata.records.success = False
+            self._logErrors(job.content_item.spec, res.record_entry.errors)
+
+    def _handleWorkerError(self, job, exc_data, userdata):
+        cur_step = userdata.cur_step
+        record = userdata.records.getRecord(job.record_name)
+
+        record_entry_spec = job.content_item.metadata.get(
+            'record_entry_spec', job.content_item.spec)
+
+        if cur_step == 0:
+            ppinfo = userdata.ppmngr.getPipeline(job.source_name)
+            entry_class = ppinfo.pipeline.RECORD_ENTRY_CLASS or RecordEntry
+            e = entry_class()
+            e.item_spec = record_entry_spec
+            e.errors.append(str(exc_data))
+            record.addEntry(e)
+        else:
+            e = record.getEntry(record_entry_spec)
+            e.errors.append(str(exc_data))
+
+        record.success = False
+        userdata.records.success = False
+
+        self._logErrors(job.content_item.spec, e.errors)
+        if self.app.debug:
+            logger.error(exc_data.traceback)
+
+
+class _PoolUserData:
+    def __init__(self, baker, ppmngr):
+        self.baker = baker
+        self.ppmngr = ppmngr
+        self.records = ppmngr.record_histories.current
+        self.cur_step = 0
+        self.next_step_jobs = {}
+
+
+def _get_pipeline_infos_by_pass_and_realm(pp_infos):
+    pp_by_pass_and_realm = {}
+    for pp_info in pp_infos:
+        pp_pass_num = pp_info.pipeline.PASS_NUM
+        if isinstance(pp_pass_num, list):
+            for ppn in pp_pass_num:
+                _add_pipeline_info_to_pass_and_realm_dict(
+                    ppn, pp_info, pp_by_pass_and_realm)
+        else:
+            _add_pipeline_info_to_pass_and_realm_dict(
+                pp_pass_num, pp_info, pp_by_pass_and_realm)
+    return pp_by_pass_and_realm
+
+
+def _add_pipeline_info_to_pass_and_realm_dict(pp_pass_num, pp_info,
+                                              pp_by_pass_and_realm):
+    pp_by_realm = pp_by_pass_and_realm.setdefault(pp_pass_num, {})
+    pplist = pp_by_realm.setdefault(
+        pp_info.pipeline.source.config['realm'], [])
+    pplist.append(pp_info)
+
--- a/piecrust/baking/records.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,204 +0,0 @@
-import copy
-import os.path
-import hashlib
-import logging
-from piecrust.records import Record, TransitionalRecord
-
-
-logger = logging.getLogger(__name__)
-
-
-def _get_transition_key(path, extra_key=None):
-    key = path
-    if extra_key:
-        key += '+%s' % extra_key
-    return hashlib.md5(key.encode('utf8')).hexdigest()
-
-
-class BakeRecord(Record):
-    RECORD_VERSION = 20
-
-    def __init__(self):
-        super(BakeRecord, self).__init__()
-        self.out_dir = None
-        self.bake_time = None
-        self.baked_count = {}
-        self.total_baked_count = {}
-        self.deleted = []
-        self.success = True
-
-
-class SubPageBakeInfo(object):
-    FLAG_NONE = 0
-    FLAG_BAKED = 2**0
-    FLAG_FORCED_BY_SOURCE = 2**1
-    FLAG_FORCED_BY_NO_PREVIOUS = 2**2
-    FLAG_FORCED_BY_PREVIOUS_ERRORS = 2**3
-    FLAG_FORMATTING_INVALIDATED = 2**4
-
-    def __init__(self, out_uri, out_path):
-        self.out_uri = out_uri
-        self.out_path = out_path
-        self.flags = self.FLAG_NONE
-        self.errors = []
-        self.render_info = [None, None]  # Same length as RENDER_PASSES
-
-    @property
-    def was_clean(self):
-        return (self.flags & self.FLAG_BAKED) == 0 and len(self.errors) == 0
-
-    @property
-    def was_baked(self):
-        return (self.flags & self.FLAG_BAKED) != 0
-
-    @property
-    def was_baked_successfully(self):
-        return self.was_baked and len(self.errors) == 0
-
-    def anyPass(self, func):
-        for pinfo in self.render_info:
-            if pinfo and func(pinfo):
-                return True
-        return False
-
-    def copyRenderInfo(self):
-        return copy.deepcopy(self.render_info)
-
-
-class BakeRecordEntry(object):
-    """ An entry in the bake record.
-    """
-    FLAG_NONE = 0
-    FLAG_NEW = 2**0
-    FLAG_SOURCE_MODIFIED = 2**1
-    FLAG_OVERRIDEN = 2**2
-
-    def __init__(self, source_name, path, extra_key=None):
-        self.source_name = source_name
-        self.path = path
-        self.extra_key = extra_key
-        self.flags = self.FLAG_NONE
-        self.config = None
-        self.timestamp = None
-        self.errors = []
-        self.subs = []
-
-    @property
-    def path_mtime(self):
-        return os.path.getmtime(self.path)
-
-    @property
-    def was_overriden(self):
-        return (self.flags & self.FLAG_OVERRIDEN) != 0
-
-    @property
-    def num_subs(self):
-        return len(self.subs)
-
-    @property
-    def was_any_sub_baked(self):
-        for o in self.subs:
-            if o.was_baked:
-                return True
-        return False
-
-    @property
-    def all_assets(self):
-        for sub in self.subs:
-            yield from sub.assets
-
-    @property
-    def all_out_paths(self):
-        for sub in self.subs:
-            yield sub.out_path
-
-    @property
-    def has_any_error(self):
-        if len(self.errors) > 0:
-            return True
-        for o in self.subs:
-            if len(o.errors) > 0:
-                return True
-        return False
-
-    def getSub(self, sub_index):
-        return self.subs[sub_index - 1]
-
-    def getAllErrors(self):
-        yield from self.errors
-        for o in self.subs:
-            yield from o.errors
-
-    def getAllUsedSourceNames(self):
-        res = set()
-        for o in self.subs:
-            for pinfo in o.render_info:
-                if pinfo:
-                    res |= pinfo.used_source_names
-        return res
-
-
-class TransitionalBakeRecord(TransitionalRecord):
-    def __init__(self, previous_path=None):
-        super(TransitionalBakeRecord, self).__init__(BakeRecord,
-                                                     previous_path)
-        self.dirty_source_names = set()
-
-    def addEntry(self, entry):
-        if (self.previous.bake_time and
-                entry.path_mtime >= self.previous.bake_time):
-            entry.flags |= BakeRecordEntry.FLAG_SOURCE_MODIFIED
-            self.dirty_source_names.add(entry.source_name)
-        super(TransitionalBakeRecord, self).addEntry(entry)
-
-    def getTransitionKey(self, entry):
-        return _get_transition_key(entry.path, entry.extra_key)
-
-    def getPreviousAndCurrentEntries(self, path, extra_key=None):
-        key = _get_transition_key(path, extra_key)
-        pair = self.transitions.get(key)
-        return pair
-
-    def getOverrideEntry(self, path, uri):
-        for pair in self.transitions.values():
-            cur = pair[1]
-            if cur and cur.path != path:
-                for o in cur.subs:
-                    if o.out_uri == uri:
-                        return cur
-        return None
-
-    def getPreviousEntry(self, path, extra_key=None):
-        pair = self.getPreviousAndCurrentEntries(path, extra_key)
-        if pair is not None:
-            return pair[0]
-        return None
-
-    def getCurrentEntry(self, path, extra_key=None):
-        pair = self.getPreviousAndCurrentEntries(path, extra_key)
-        if pair is not None:
-            return pair[1]
-        return None
-
-    def collapseEntry(self, prev_entry):
-        cur_entry = copy.deepcopy(prev_entry)
-        cur_entry.flags = BakeRecordEntry.FLAG_NONE
-        for o in cur_entry.subs:
-            o.flags = SubPageBakeInfo.FLAG_NONE
-        self.addEntry(cur_entry)
-
-    def getDeletions(self):
-        for prev, cur in self.transitions.values():
-            if prev and not cur:
-                for sub in prev.subs:
-                    yield (sub.out_path, 'previous source file was removed')
-            elif prev and cur:
-                prev_out_paths = [o.out_path for o in prev.subs]
-                cur_out_paths = [o.out_path for o in cur.subs]
-                diff = set(prev_out_paths) - set(cur_out_paths)
-                for p in diff:
-                    yield (p, 'source file changed outputs')
-
-    def _onNewEntryAdded(self, entry):
-        entry.flags |= BakeRecordEntry.FLAG_NEW
-
--- a/piecrust/baking/single.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,270 +0,0 @@
-import os.path
-import queue
-import logging
-import threading
-import urllib.parse
-from piecrust import ASSET_DIR_SUFFIX
-from piecrust.baking.records import SubPageBakeInfo
-from piecrust.rendering import (
-        QualifiedPage, PageRenderingContext, render_page,
-        PASS_FORMATTING)
-from piecrust.uriutil import split_uri
-
-
-logger = logging.getLogger(__name__)
-
-
-class BakingError(Exception):
-    pass
-
-
-def _text_writer(q):
-    while True:
-        item = q.get()
-        if item is not None:
-            out_path, txt = item
-            out_dir = os.path.dirname(out_path)
-            _ensure_dir_exists(out_dir)
-
-            with open(out_path, 'w', encoding='utf8') as fp:
-                fp.write(txt)
-
-            q.task_done()
-        else:
-            # Sentinel object, terminate the thread.
-            q.task_done()
-            break
-
-
-class PageBaker(object):
-    def __init__(self, app, out_dir, force=False, copy_assets=True):
-        self.app = app
-        self.out_dir = out_dir
-        self.force = force
-        self.copy_assets = copy_assets
-        self.site_root = app.config.get('site/root')
-        self.pretty_urls = app.config.get('site/pretty_urls')
-        self._writer_queue = queue.Queue()
-        self._writer = threading.Thread(
-                name='PageSerializer',
-                target=_text_writer,
-                args=(self._writer_queue,))
-        self._writer.start()
-
-    def shutdown(self):
-        self._writer_queue.put_nowait(None)
-        self._writer.join()
-
-    def getOutputPath(self, uri, pretty_urls):
-        uri_root, uri_path = split_uri(self.app, uri)
-
-        bake_path = [self.out_dir]
-        decoded_uri = urllib.parse.unquote(uri_path)
-        if pretty_urls:
-            bake_path.append(decoded_uri)
-            bake_path.append('index.html')
-        elif decoded_uri == '':
-            bake_path.append('index.html')
-        else:
-            bake_path.append(decoded_uri)
-
-        return os.path.normpath(os.path.join(*bake_path))
-
-    def bake(self, qualified_page, prev_entry, dirty_source_names,
-             generator_name=None):
-        # Start baking the sub-pages.
-        cur_sub = 1
-        has_more_subs = True
-        sub_entries = []
-
-        while has_more_subs:
-            # Get the URL and path for this sub-page.
-            sub_uri = qualified_page.getUri(cur_sub)
-            logger.debug("Baking '%s' [%d]..." % (sub_uri, cur_sub))
-            pretty_urls = qualified_page.config.get('pretty_urls',
-                                                    self.pretty_urls)
-            out_path = self.getOutputPath(sub_uri, pretty_urls)
-
-            # Create the sub-entry for the bake record.
-            sub_entry = SubPageBakeInfo(sub_uri, out_path)
-            sub_entries.append(sub_entry)
-
-            # Find a corresponding sub-entry in the previous bake record.
-            prev_sub_entry = None
-            if prev_entry:
-                try:
-                    prev_sub_entry = prev_entry.getSub(cur_sub)
-                except IndexError:
-                    pass
-
-            # Figure out if we need to invalidate or force anything.
-            force_this_sub, invalidate_formatting = _compute_force_flags(
-                    prev_sub_entry, sub_entry, dirty_source_names)
-            force_this_sub = force_this_sub or self.force
-
-            # Check for up-to-date outputs.
-            do_bake = True
-            if not force_this_sub:
-                try:
-                    in_path_time = qualified_page.path_mtime
-                    out_path_time = os.path.getmtime(out_path)
-                    if out_path_time >= in_path_time:
-                        do_bake = False
-                except OSError:
-                    # File doesn't exist, we'll need to bake.
-                    pass
-
-            # If this page didn't bake because it's already up-to-date.
-            # Keep trying for as many subs as we know this page has.
-            if not do_bake:
-                sub_entry.render_info = prev_sub_entry.copyRenderInfo()
-                sub_entry.flags = SubPageBakeInfo.FLAG_NONE
-
-                if prev_entry.num_subs >= cur_sub + 1:
-                    cur_sub += 1
-                    has_more_subs = True
-                    logger.debug("  %s is up to date, skipping to next "
-                                 "sub-page." % out_path)
-                    continue
-
-                logger.debug("  %s is up to date, skipping bake." % out_path)
-                break
-
-            # All good, proceed.
-            try:
-                if invalidate_formatting:
-                    cache_key = sub_uri
-                    self.app.env.rendered_segments_repository.invalidate(
-                            cache_key)
-                    sub_entry.flags |= \
-                        SubPageBakeInfo.FLAG_FORMATTING_INVALIDATED
-
-                logger.debug("  p%d -> %s" % (cur_sub, out_path))
-                rp = self._bakeSingle(qualified_page, cur_sub, out_path,
-                                      generator_name)
-            except Exception as ex:
-                logger.exception(ex)
-                page_rel_path = os.path.relpath(qualified_page.path,
-                                                self.app.root_dir)
-                raise BakingError("%s: error baking '%s'." %
-                                  (page_rel_path, sub_uri)) from ex
-
-            # Record what we did.
-            sub_entry.flags |= SubPageBakeInfo.FLAG_BAKED
-            sub_entry.render_info = rp.copyRenderInfo()
-
-            # Copy page assets.
-            if (cur_sub == 1 and self.copy_assets and
-                    sub_entry.anyPass(lambda p: p.used_assets)):
-                if pretty_urls:
-                    out_assets_dir = os.path.dirname(out_path)
-                else:
-                    out_assets_dir, out_name = os.path.split(out_path)
-                    if sub_uri != self.site_root:
-                        out_name_noext, _ = os.path.splitext(out_name)
-                        out_assets_dir = os.path.join(out_assets_dir,
-                                                      out_name_noext)
-
-                logger.debug("Copying page assets to: %s" % out_assets_dir)
-                _ensure_dir_exists(out_assets_dir)
-
-                qualified_page.source.buildAssetor(qualified_page, sub_uri).copyAssets(out_assets_dir)
-
-            # Figure out if we have more work.
-            has_more_subs = False
-            if sub_entry.anyPass(lambda p: p.pagination_has_more):
-                cur_sub += 1
-                has_more_subs = True
-
-        return sub_entries
-
-    def _bakeSingle(self, qp, num, out_path,
-                    generator_name=None):
-        ctx = PageRenderingContext(qp, page_num=num)
-        if qp.route.is_generator_route:
-            qp.route.generator.prepareRenderContext(ctx)
-
-        with self.app.env.timerScope("PageRender"):
-            rp = render_page(ctx)
-
-        with self.app.env.timerScope("PageSerialize"):
-            self._writer_queue.put_nowait((out_path, rp.content))
-
-        return rp
-
-
-def _compute_force_flags(prev_sub_entry, sub_entry, dirty_source_names):
-    # Figure out what to do with this page.
-    force_this_sub = False
-    invalidate_formatting = False
-    sub_uri = sub_entry.out_uri
-    if (prev_sub_entry and
-            (prev_sub_entry.was_baked_successfully or
-                prev_sub_entry.was_clean)):
-        # If the current page is known to use pages from other sources,
-        # see if any of those got baked, or are going to be baked for
-        # some reason. If so, we need to bake this one too.
-        # (this happens for instance with the main page of a blog).
-        dirty_for_this, invalidated_render_passes = (
-                _get_dirty_source_names_and_render_passes(
-                    prev_sub_entry, dirty_source_names))
-        if len(invalidated_render_passes) > 0:
-            logger.debug(
-                    "'%s' is known to use sources %s, which have "
-                    "items that got (re)baked. Will force bake this "
-                    "page. " % (sub_uri, dirty_for_this))
-            sub_entry.flags |= \
-                SubPageBakeInfo.FLAG_FORCED_BY_SOURCE
-            force_this_sub = True
-
-            if PASS_FORMATTING in invalidated_render_passes:
-                logger.debug(
-                        "Will invalidate cached formatting for '%s' "
-                        "since sources were using during that pass."
-                        % sub_uri)
-                invalidate_formatting = True
-    elif (prev_sub_entry and
-            prev_sub_entry.errors):
-        # Previous bake failed. We'll have to bake it again.
-        logger.debug(
-                "Previous record entry indicates baking failed for "
-                "'%s'. Will bake it again." % sub_uri)
-        sub_entry.flags |= \
-            SubPageBakeInfo.FLAG_FORCED_BY_PREVIOUS_ERRORS
-        force_this_sub = True
-    elif not prev_sub_entry:
-        # No previous record. We'll have to bake it.
-        logger.debug("No previous record entry found for '%s'. Will "
-                     "force bake it." % sub_uri)
-        sub_entry.flags |= \
-            SubPageBakeInfo.FLAG_FORCED_BY_NO_PREVIOUS
-        force_this_sub = True
-
-    return force_this_sub, invalidate_formatting
-
-
-def _get_dirty_source_names_and_render_passes(sub_entry, dirty_source_names):
-    dirty_for_this = set()
-    invalidated_render_passes = set()
-    for p, pinfo in enumerate(sub_entry.render_info):
-        if pinfo:
-            for src_name in pinfo.used_source_names:
-                is_dirty = (src_name in dirty_source_names)
-                if is_dirty:
-                    invalidated_render_passes.add(p)
-                    dirty_for_this.add(src_name)
-                    break
-    return dirty_for_this, invalidated_render_passes
-
-
-def _ensure_dir_exists(path):
-    try:
-        os.makedirs(path, mode=0o755, exist_ok=True)
-    except OSError:
-        # In a multiprocess environment, several process may very
-        # occasionally try to create the same directory at the same time.
-        # Let's ignore any error and if something's really wrong (like file
-        # acces permissions or whatever), then it will more legitimately fail
-        # just after this when we try to write files.
-        pass
-
--- a/piecrust/baking/worker.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/baking/worker.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,13 +1,10 @@
 import time
 import logging
-from piecrust.app import PieCrust, apply_variant_and_values
-from piecrust.baking.records import BakeRecord, _get_transition_key
-from piecrust.baking.single import PageBaker, BakingError
-from piecrust.environment import AbortedSourceUseError
-from piecrust.rendering import (
-        QualifiedPage, PageRenderingContext, render_page_segments)
-from piecrust.routing import create_route_metadata
-from piecrust.sources.base import PageFactory
+from piecrust.pipelines.base import (
+    PipelineManager, PipelineJobRunContext, PipelineJobResult,
+    get_pipeline_name_for_source)
+from piecrust.pipelines.records import (
+    MultiRecordHistory, MultiRecord, load_records)
 from piecrust.workerpool import IWorker
 
 
@@ -16,226 +13,99 @@
 
 class BakeWorkerContext(object):
     def __init__(self, appfactory, out_dir, *,
-                 force=False, previous_record_path=None):
+                 force=False, previous_records_path=None,
+                 allowed_pipelines=None, forbidden_pipelines=None):
         self.appfactory = appfactory
         self.out_dir = out_dir
         self.force = force
-        self.previous_record_path = previous_record_path
-        self.app = None
-        self.previous_record = None
-        self.previous_record_index = None
+        self.previous_records_path = previous_records_path
+        self.allowed_pipelines = allowed_pipelines
+        self.forbidden_pipelines = forbidden_pipelines
 
 
 class BakeWorker(IWorker):
     def __init__(self, ctx):
         self.ctx = ctx
-        self.work_start_time = time.perf_counter()
+        self.app = None
+        self.record_histories = None
+        self._work_start_time = time.perf_counter()
+        self._sources = {}
+        self._ppctx = None
 
     def initialize(self):
         # Create the app local to this worker.
         app = self.ctx.appfactory.create()
         app.config.set('baker/is_baking', True)
         app.config.set('baker/worker_id', self.wid)
-        app.env.base_asset_url_format = '%uri%'
+        app.config.set('site/asset_url_format', '%page_uri%/%filename%')
+
         app.env.fs_cache_only_for_main_page = True
-        app.env.registerTimer("BakeWorker_%d_Total" % self.wid)
-        app.env.registerTimer("BakeWorkerInit")
-        app.env.registerTimer("JobReceive")
-        app.env.registerCounter("SourceUseAbortions")
-        app.env.registerManifest("LoadJobs")
-        app.env.registerManifest("RenderJobs")
-        app.env.registerManifest("BakeJobs")
-        self.ctx.app = app
+
+        stats = app.env.stats
+        stats.registerTimer("BakeWorker_%d_Total" % self.wid)
+        stats.registerTimer("BakeWorkerInit")
+        self.timerScope = stats.timerScope
+
+        self.app = app
 
         # Load previous record
-        if self.ctx.previous_record_path:
-            self.ctx.previous_record = BakeRecord.load(
-                    self.ctx.previous_record_path)
-            self.ctx.previous_record_index = {}
-            for e in self.ctx.previous_record.entries:
-                key = _get_transition_key(e.path, e.extra_key)
-                self.ctx.previous_record_index[key] = e
+        if self.ctx.previous_records_path:
+            previous_records = load_records(self.ctx.previous_records_path)
+        else:
+            previous_records = MultiRecord()
+        current_records = MultiRecord()
+        self.record_histories = MultiRecordHistory(
+            previous_records, current_records)
 
-        # Create the job handlers.
-        job_handlers = {
-                JOB_LOAD: LoadJobHandler(self.ctx),
-                JOB_RENDER_FIRST: RenderFirstSubJobHandler(self.ctx),
-                JOB_BAKE: BakeJobHandler(self.ctx)}
-        for jt, jh in job_handlers.items():
-            app.env.registerTimer(type(jh).__name__)
-        self.job_handlers = job_handlers
+        # Create the pipelines.
+        self.ppmngr = PipelineManager(
+            app, self.ctx.out_dir, self.record_histories,
+            worker_id=self.wid, force=self.ctx.force)
+        ok_pp = self.ctx.allowed_pipelines
+        nok_pp = self.ctx.forbidden_pipelines
+        for src in app.sources:
+            pname = get_pipeline_name_for_source(src)
+            if ok_pp is not None and pname not in ok_pp:
+                continue
+            if nok_pp is not None and pname in nok_pp:
+                continue
 
-        app.env.stepTimerSince("BakeWorkerInit", self.work_start_time)
+            self.ppmngr.createPipeline(src)
+
+            stats.registerTimer("PipelineJobs_%s" % pname,
+                                raise_if_registered=False)
+
+        stats.stepTimerSince("BakeWorkerInit", self._work_start_time)
 
     def process(self, job):
-        handler = self.job_handlers[job['type']]
-        with self.ctx.app.env.timerScope(type(handler).__name__):
-            return handler.handleJob(job['job'])
+        item = job.content_item
+        logger.debug("Received job: %s@%s" % (job.source_name, item.spec))
 
-    def getReport(self, pool_reports):
-        self.ctx.app.env.stepTimerSince("BakeWorker_%d_Total" % self.wid,
-                                        self.work_start_time)
-        data = self.ctx.app.env.getStats()
-        data.timers.update(pool_reports)
-        return {
-                'type': 'stats',
-                'data': data}
+        ppinfo = self.ppmngr.getPipeline(job.source_name)
+        pp = ppinfo.pipeline
+
+        with self.timerScope("PipelineJobs_%s" % pp.PIPELINE_NAME):
+            runctx = PipelineJobRunContext(job, pp.record_name,
+                                           self.record_histories)
 
-    def shutdown(self):
-        for jh in self.job_handlers.values():
-            jh.shutdown()
-
-
-JOB_LOAD, JOB_RENDER_FIRST, JOB_BAKE = range(0, 3)
-
+            ppres = PipelineJobResult()
+            # For subsequent pass jobs, there will be a record entry given.
+            # For first pass jobs, there's none so we get the pipeline to
+            # create it.
+            ppres.record_entry = job.data.get('record_entry')
+            if ppres.record_entry is None:
+                ppres.record_entry = pp.createRecordEntry(job, runctx)
+            pp.run(job, runctx, ppres)
 
-class JobHandler(object):
-    def __init__(self, ctx):
-        self.ctx = ctx
+        return ppres
 
-    @property
-    def app(self):
-        return self.ctx.app
-
-    def handleJob(self, job):
-        raise NotImplementedError()
+    def getStats(self):
+        stats = self.app.env.stats
+        stats.stepTimerSince("BakeWorker_%d_Total" % self.wid,
+                             self._work_start_time)
+        return stats
 
     def shutdown(self):
-        pass
-
-
-def _get_errors(ex):
-    errors = []
-    while ex is not None:
-        errors.append(str(ex))
-        ex = ex.__cause__
-    return errors
-
-
-def save_factory(fac):
-    return {
-            'source_name': fac.source.name,
-            'rel_path': fac.rel_path,
-            'metadata': fac.metadata}
-
-
-def load_factory(app, info):
-    source = app.getSource(info['source_name'])
-    return PageFactory(source, info['rel_path'], info['metadata'])
-
-
-class LoadJobHandler(JobHandler):
-    def handleJob(self, job):
-        # Just make sure the page has been cached.
-        fac = load_factory(self.app, job)
-        logger.debug("Loading page: %s" % fac.ref_spec)
-        self.app.env.addManifestEntry('LoadJobs', fac.ref_spec)
-        result = {
-                'source_name': fac.source.name,
-                'path': fac.path,
-                'config': None,
-                'timestamp': None,
-                'errors': None}
-        try:
-            page = fac.buildPage()
-            page._load()
-            result['config'] = page.config.getAll()
-            result['timestamp'] = page.datetime.timestamp()
-        except Exception as ex:
-            logger.debug("Got loading error. Sending it to master.")
-            result['errors'] = _get_errors(ex)
-            if self.ctx.app.debug:
-                logger.exception(ex)
-        return result
-
-
-class RenderFirstSubJobHandler(JobHandler):
-    def handleJob(self, job):
-        # Render the segments for the first sub-page of this page.
-        fac = load_factory(self.app, job['factory_info'])
-        self.app.env.addManifestEntry('RenderJobs', fac.ref_spec)
-
-        route_index = job['route_index']
-        route = self.app.routes[route_index]
-
-        page = fac.buildPage()
-        route_metadata = create_route_metadata(page)
-        qp = QualifiedPage(page, route, route_metadata)
-        ctx = PageRenderingContext(qp)
-        self.app.env.abort_source_use = True
+        for src, pp in self._sources.values():
+            pp.shutdown(self._ppctx)
 
-        result = {
-                'path': fac.path,
-                'aborted': False,
-                'errors': None}
-        logger.debug("Preparing page: %s" % fac.ref_spec)
-        try:
-            render_page_segments(ctx)
-        except AbortedSourceUseError:
-            logger.debug("Page %s was aborted." % fac.ref_spec)
-            self.app.env.stepCounter("SourceUseAbortions")
-            result['aborted'] = True
-        except Exception as ex:
-            logger.debug("Got rendering error. Sending it to master.")
-            result['errors'] = _get_errors(ex)
-            if self.ctx.app.debug:
-                logger.exception(ex)
-        finally:
-            self.app.env.abort_source_use = False
-        return result
-
-
-class BakeJobHandler(JobHandler):
-    def __init__(self, ctx):
-        super(BakeJobHandler, self).__init__(ctx)
-        self.page_baker = PageBaker(ctx.app, ctx.out_dir, ctx.force)
-
-    def shutdown(self):
-        self.page_baker.shutdown()
-
-    def handleJob(self, job):
-        # Actually bake the page and all its sub-pages to the output folder.
-        fac = load_factory(self.app, job['factory_info'])
-        self.app.env.addManifestEntry('BakeJobs', fac.ref_spec)
-
-        route_index = job['route_index']
-        route_metadata = job['route_metadata']
-        route = self.app.routes[route_index]
-
-        gen_name = job['generator_name']
-        gen_key = job['generator_record_key']
-        dirty_source_names = job['dirty_source_names']
-
-        page = fac.buildPage()
-        qp = QualifiedPage(page, route, route_metadata)
-
-        result = {
-                'path': fac.path,
-                'generator_name': gen_name,
-                'generator_record_key': gen_key,
-                'sub_entries': None,
-                'errors': None}
-
-        if job.get('needs_config', False):
-            result['config'] = page.config.getAll()
-
-        previous_entry = None
-        if self.ctx.previous_record_index is not None:
-            key = _get_transition_key(fac.path, gen_key)
-            previous_entry = self.ctx.previous_record_index.get(key)
-
-        logger.debug("Baking page: %s" % fac.ref_spec)
-        logger.debug("With route metadata: %s" % route_metadata)
-        try:
-            sub_entries = self.page_baker.bake(
-                    qp, previous_entry, dirty_source_names, gen_name)
-            result['sub_entries'] = sub_entries
-
-        except Exception as ex:
-            logger.debug("Got baking error. Sending it to master.")
-            result['errors'] = _get_errors(ex)
-            if self.ctx.app.debug:
-                logger.exception(ex)
-
-        return result
-
--- a/piecrust/cache.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/cache.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,11 +1,9 @@
 import os
 import os.path
-import json
 import shutil
-import codecs
+import pickle
 import hashlib
 import logging
-import collections
 import repoze.lru
 
 
@@ -85,19 +83,23 @@
         return os.path.isfile(cache_path)
 
     def read(self, path):
-        cache_path = self.getCachePath(path)
-        logger.debug("Reading cache: %s" % cache_path)
-        with codecs.open(cache_path, 'r', 'utf-8') as fp:
+        with self.openRead(path, mode='r', encoding='utf8') as fp:
             return fp.read()
 
+    def openRead(self, path, mode='r', encoding=None):
+        cache_path = self.getCachePath(path)
+        return open(cache_path, mode=mode, encoding=encoding)
+
     def write(self, path, content):
+        with self.openWrite(path, mode='w', encoding='utf8') as fp:
+            fp.write(content)
+
+    def openWrite(self, path, mode='w', encoding=None):
         cache_path = self.getCachePath(path)
         cache_dir = os.path.dirname(cache_path)
         if not os.path.isdir(cache_dir):
             os.makedirs(cache_dir, 0o755)
-        logger.debug("Writing cache: %s" % cache_path)
-        with codecs.open(cache_path, 'w', 'utf-8') as fp:
-            fp.write(content)
+        return open(cache_path, mode=mode, encoding=encoding)
 
     def getCachePath(self, path):
         if path.startswith('.'):
@@ -155,7 +157,7 @@
 
 class MemCache(object):
     """ Simple memory cache. It can be backed by a simple file-system
-        cache, but items need to be JSON-serializable to do this.
+        cache, but items need to be pickle-able to do this.
     """
     def __init__(self, size=2048):
         self.cache = repoze.lru.LRUCache(size)
@@ -182,8 +184,8 @@
         self.cache.put(key, item)
         if self.fs_cache and save_to_fs:
             fs_key = _make_fs_cache_key(key)
-            item_raw = json.dumps(item)
-            self.fs_cache.write(fs_key, item_raw)
+            with self.fs_cache.openWrite(fs_key, mode='wb') as fp:
+                pickle.dump(item, fp, pickle.HIGHEST_PROTOCOL)
 
     def get(self, key, item_maker, fs_cache_time=None, save_to_fs=True):
         self._last_access_hit = True
@@ -192,16 +194,19 @@
             self._hits += 1
             return item
 
-        if (self.fs_cache is not None and
-                fs_cache_time is not None):
+        if self.fs_cache is not None:
+            if fs_cache_time is None:
+                raise ValueError(
+                    "No file-system cache time was given for '%s'. "
+                    "This would result in degraded performance." % key)
+
             # Try first from the file-system cache.
             fs_key = _make_fs_cache_key(key)
             if (fs_key not in self._invalidated_fs_items and
                     self.fs_cache.isValid(fs_key, fs_cache_time)):
-                logger.debug("'%s' found in file-system cache." %
-                             key)
-                item_raw = self.fs_cache.read(fs_key)
-                item = json.loads(item_raw)
+                logger.debug("'%s' found in file-system cache." % key)
+                with self.fs_cache.openRead(fs_key, mode='rb') as fp:
+                    item = pickle.load(fp)
                 self.cache.put(key, item)
                 self._hits += 1
                 return item
@@ -216,9 +221,8 @@
 
         # Save to the file-system if needed.
         if self.fs_cache is not None and save_to_fs:
-            item_raw = json.dumps(item)
-            self.fs_cache.write(fs_key, item_raw)
+            with self.fs_cache.openWrite(fs_key, mode='wb') as fp:
+                pickle.dump(item, fp, pickle.HIGHEST_PROTOCOL)
 
         return item
 
-
--- a/piecrust/commands/base.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/commands/base.py	Fri Sep 29 17:05:09 2017 -0700
@@ -8,12 +8,11 @@
 
 
 class CommandContext(object):
-    def __init__(self, app, parser, args):
+    def __init__(self, appfactory, app, parser, args):
+        self.appfactory = appfactory
         self.app = app
         self.parser = parser
         self.args = args
-        self.config_variant = None
-        self.config_values = None
 
 
 class ChefCommand(object):
@@ -27,8 +26,9 @@
         raise NotImplementedError()
 
     def run(self, ctx):
-        raise NotImplementedError("Command '%s' doesn't implement the `run` "
-                "method." % type(self))
+        raise NotImplementedError(
+            "Command '%s' doesn't implement the `run` "
+            "method." % type(self))
 
     def checkedRun(self, ctx):
         if ctx.app.root_dir is None and self.requires_website:
@@ -83,8 +83,9 @@
         return [(n, d) for (n, d, e) in self._topic_providers]
 
     def setupParser(self, parser, app):
-        parser.add_argument('topic', nargs='?',
-                help="The command name or topic on which to get help.")
+        parser.add_argument(
+            'topic', nargs='?',
+            help="The command name or topic on which to get help.")
 
         extensions = self.getExtensions(app)
         for ext in extensions:
@@ -106,8 +107,8 @@
         for c in ctx.app.plugin_loader.getCommands():
             if c.name == topic:
                 fake = argparse.ArgumentParser(
-                        prog='%s %s' % (ctx.parser.prog, c.name),
-                        description=c.description)
+                    prog='%s %s' % (ctx.parser.prog, c.name),
+                    description=c.description)
                 c.setupParser(fake, ctx.app)
                 fake.print_help()
                 return 0
--- a/piecrust/commands/builtin/admin.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/commands/builtin/admin.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,7 +1,7 @@
 import os
 import os.path
 import logging
-from piecrust import CACHE_DIR
+from piecrust import CONFIG_PATH
 from piecrust.commands.base import ChefCommand
 from piecrust.pathutil import SiteNotFoundError
 
@@ -20,34 +20,9 @@
         subparsers = parser.add_subparsers()
 
         p = subparsers.add_parser(
-                'init',
-                help="Creates a new administration panel website.")
-        p.set_defaults(sub_func=self._initFoodTruck)
-
-        p = subparsers.add_parser(
-                'genpass',
-                help=("Generates the hashed password for use as an "
-                      "admin password"))
-        p.add_argument('password', help="The password to hash.")
-        p.set_defaults(sub_func=self._generatePassword)
-
-        p = subparsers.add_parser(
-                'run',
-                help="Runs the administrative panel website.")
-        p.add_argument(
-                '-p', '--port',
-                help="The port for the administrative panel website.",
-                default=8090)
-        p.add_argument(
-                '-a', '--address',
-                help="The host for the administrative panel website.",
-                default='localhost')
-        p.add_argument(
-                '--no-assets',
-                help="Don't process and monitor the asset folder(s).",
-                dest='monitor_assets',
-                action='store_false')
-        p.set_defaults(sub_func=self._runFoodTruck)
+            'init',
+            help="Creates a new administration panel website.")
+        p.set_defaults(sub_func=self._initAdminSite)
 
     def checkedRun(self, ctx):
         if ctx.app.root_dir is None:
@@ -58,37 +33,8 @@
             return
         return ctx.args.sub_func(ctx)
 
-    def _runFoodTruck(self, ctx):
-        # See `_run_sse_check` in `piecrust.serving.wrappers` for an explanation
-        # of this check.
-        if (ctx.args.monitor_assets and (
-                not ctx.args.debug or
-                os.environ.get('WERKZEUG_RUN_MAIN') == 'true')):
-            from piecrust.app import PieCrustFactory
-            from piecrust.serving.procloop import ProcessingLoop
-            appfactory = PieCrustFactory(
-                    ctx.app.root_dir,
-                    cache=ctx.app.cache.enabled,
-                    cache_key=ctx.app.cache_key,
-                    config_variant=ctx.config_variant,
-                    config_values=ctx.config_values,
-                    debug=ctx.app.debug,
-                    theme_site=ctx.app.theme_site)
-            out_dir = os.path.join(ctx.app.root_dir, CACHE_DIR, 'foodtruck', 'server')
-            proc_loop = ProcessingLoop(appfactory, out_dir)
-            proc_loop.start()
-
-        es = {
-                'FOODTRUCK_CMDLINE_MODE': True,
-                'FOODTRUCK_ROOT': ctx.app.root_dir}
-        from piecrust.admin.main import run_foodtruck
-        run_foodtruck(
-                host=ctx.args.address,
-                port=ctx.args.port,
-                debug=ctx.args.debug,
-                extra_settings=es)
-
-    def _initFoodTruck(self, ctx):
+    def _initAdminSite(self, ctx):
+        import io
         import getpass
         from piecrust.admin import bcryptfallback as bcrypt
 
@@ -97,9 +43,10 @@
         admin_password = getpass.getpass("Admin password: ")
         if not admin_password:
             logger.warning("No administration password set!")
-            logger.warning("Don't make this instance of FoodTruck public.")
+            logger.warning("Don't make this instance of the PieCrust "
+                           "administration panel public.")
             logger.info("You can later set an admin password by editing "
-                        "the `foodtruck.yml` file and using the "
+                        "the `admin.cfg` file and using the "
                         "`chef admin genpass` command.")
         else:
             binpw = admin_password.encode('utf8')
@@ -107,24 +54,23 @@
             admin_password = hashpw
 
         ft_config = """
-security:
+admin:
+    secret_key: %(secret_key)s
     username: %(username)s
     # You can generate another hashed password with `chef admin genpass`.
     password: %(password)s
 """
         ft_config = ft_config % {
-                'username': admin_username,
-                'password': admin_password
-                }
-        with open('foodtruck.yml', 'w', encoding='utf8') as fp:
-            fp.write(ft_config)
+            'secret_key': secret_key,
+            'username': admin_username,
+            'password': admin_password
+        }
 
-        flask_config = """
-SECRET_KEY = %(secret_key)s
-"""
-        flask_config = flask_config % {'secret_key': secret_key}
-        with open('app.cfg', 'w', encoding='utf8') as fp:
-            fp.write(flask_config)
+        config_path = os.path.join(ctx.app.root_dir, CONFIG_PATH)
+        with open(config_path, 'a+', encoding='utf8') as fp:
+            fp.seek(0, io.SEEK_END)
+            fp.write('\n')
+            fp.write(ft_config)
 
     def _generatePassword(self, ctx):
         from piecrust.admin import bcryptfallback as bcrypt
--- a/piecrust/commands/builtin/baking.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/commands/builtin/baking.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,24 +1,9 @@
+import os.path
 import time
-import os.path
 import logging
-import hashlib
-import fnmatch
 import datetime
 from colorama import Fore
-from piecrust import CACHE_DIR
-from piecrust.baking.baker import Baker
-from piecrust.baking.records import (
-        BakeRecord, BakeRecordEntry, SubPageBakeInfo)
-from piecrust.chefutil import format_timed
 from piecrust.commands.base import ChefCommand
-from piecrust.environment import ExecutionStats
-from piecrust.processing.pipeline import ProcessorPipeline
-from piecrust.processing.records import (
-        ProcessorPipelineRecord,
-        FLAG_PREPARED, FLAG_PROCESSED, FLAG_BYPASSED_STRUCTURED_PROCESSING,
-        FLAG_COLLAPSED_FROM_LAST_RUN)
-from piecrust.rendering import (
-        PASS_FORMATTING, PASS_RENDERING)
 
 
 logger = logging.getLogger(__name__)
@@ -32,60 +17,58 @@
 
     def setupParser(self, parser, app):
         parser.add_argument(
-                '-o', '--output',
-                help="The directory to put all the baked HTML files into "
-                     "(defaults to `_counter`)")
+            '-o', '--output',
+            help="The directory to put all the baked HTML files into "
+            "(defaults to `_counter`)")
+        parser.add_argument(
+            '-f', '--force',
+            help="Force re-baking the entire website.",
+            action='store_true')
         parser.add_argument(
-                '-f', '--force',
-                help="Force re-baking the entire website.",
-                action='store_true')
+            '-p', '--pipelines',
+            help="The pipelines to run.",
+            action='append')
         parser.add_argument(
-                '-w', '--workers',
-                help="The number of worker processes to spawn.",
-                type=int, default=-1)
+            '-w', '--workers',
+            help="The number of worker processes to spawn.",
+            type=int, default=-1)
         parser.add_argument(
-                '--batch-size',
-                help="The number of jobs per batch.",
-                type=int, default=-1)
+            '--batch-size',
+            help="The number of jobs per batch.",
+            type=int, default=-1)
         parser.add_argument(
-                '--assets-only',
-                help="Only bake the assets (don't bake the web pages).",
-                action='store_true')
+            '--assets-only',
+            help="Only bake the assets (don't bake the web pages).",
+            action='store_true')
         parser.add_argument(
-                '--html-only',
-                help="Only bake the pages (don't run the asset pipeline).",
-                action='store_true')
+            '--html-only',
+            help="Only bake the pages (don't run the asset pipeline).",
+            action='store_true')
         parser.add_argument(
-                '--show-stats',
-                help="Show detailed information about the bake.",
-                action='store_true')
+            '--show-stats',
+            help="Show detailed information about the bake.",
+            action='store_true')
 
     def run(self, ctx):
+        from piecrust.chefutil import format_timed
+
         out_dir = (ctx.args.output or
                    os.path.join(ctx.app.root_dir, '_counter'))
 
-        success = True
-        ctx.stats = {}
         start_time = time.perf_counter()
         try:
-            # Bake the site sources.
-            if not ctx.args.assets_only:
-                success = success & self._bakeSources(ctx, out_dir)
-
-            # Bake the assets.
-            if not ctx.args.html_only:
-                success = success & self._bakeAssets(ctx, out_dir)
+            records = self._doBake(ctx, out_dir)
 
             # Show merged stats.
             if ctx.args.show_stats:
                 logger.info("-------------------")
                 logger.info("Timing information:")
-                _show_stats(ctx.stats)
+                _show_stats(records.stats)
 
             # All done.
             logger.info('-------------------------')
             logger.info(format_timed(start_time, 'done baking'))
-            return 0 if success else 1
+            return 0 if records.success else 1
         except Exception as ex:
             if ctx.app.debug:
                 logger.exception(ex)
@@ -93,71 +76,39 @@
                 logger.error(str(ex))
             return 1
 
-    def _bakeSources(self, ctx, out_dir):
+    def _doBake(self, ctx, out_dir):
+        from piecrust.baking.baker import Baker
+
         if ctx.args.workers > 0:
             ctx.app.config.set('baker/workers', ctx.args.workers)
         if ctx.args.batch_size > 0:
             ctx.app.config.set('baker/batch_size', ctx.args.batch_size)
-        baker = Baker(
-                ctx.app, out_dir,
-                force=ctx.args.force,
-                applied_config_variant=ctx.config_variant,
-                applied_config_values=ctx.config_values)
-        record = baker.bake()
-        _merge_stats(record.stats, ctx.stats)
-        return record.success
-
-    def _bakeAssets(self, ctx, out_dir):
-        proc = ProcessorPipeline(
-                ctx.app, out_dir,
-                force=ctx.args.force,
-                applied_config_variant=ctx.config_variant,
-                applied_config_values=ctx.config_values)
-        record = proc.run()
-        _merge_stats(record.stats, ctx.stats)
-        return record.success
-
-
-def _merge_stats(source, target):
-    if source is None:
-        return
-
-    for name, val in source.items():
-        if name not in target:
-            target[name] = ExecutionStats()
-        target[name].mergeStats(val)
-
 
-def _show_stats(stats, *, full=False):
-    indent = '    '
-    for name in sorted(stats.keys()):
-        logger.info('%s:' % name)
-        s = stats[name]
-
-        logger.info('  Timers:')
-        for name, val in sorted(s.timers.items(), key=lambda i: i[1],
-                                reverse=True):
-            val_str = '%8.1f s' % val
-            logger.info(
-                    "%s[%s%s%s] %s" %
-                    (indent, Fore.GREEN, val_str, Fore.RESET, name))
+        allowed_pipelines = None
+        forbidden_pipelines = None
+        if ctx.args.html_only:
+            forbidden_pipelines = ['asset']
+        elif ctx.args.assets_only:
+            allowed_pipelines = ['asset']
+        elif ctx.args.pipelines:
+            if allowed_pipelines or forbidden_pipelines:
+                raise Exception(
+                    "Can't specify `--html-only` or `--assets-only` with "
+                    "`--pipelines`.")
+            for p in ctx.args.pipelines:
+                if p[0] == '-':
+                    forbidden_pipelines.append(p)
+                else:
+                    allowed_pipelines.append(p)
 
-        logger.info('  Counters:')
-        for name in sorted(s.counters.keys()):
-            val_str = '%8d  ' % s.counters[name]
-            logger.info(
-                    "%s[%s%s%s] %s" %
-                    (indent, Fore.GREEN, val_str, Fore.RESET, name))
+        baker = Baker(
+            ctx.appfactory, ctx.app, out_dir,
+            force=ctx.args.force,
+            allowed_pipelines=allowed_pipelines,
+            forbidden_pipelines=forbidden_pipelines)
+        records = baker.bake()
 
-        logger.info('  Manifests:')
-        for name in sorted(s.manifests.keys()):
-            val = s.manifests[name]
-            logger.info(
-                    "%s[%s%s%s] [%d entries]" %
-                    (indent, Fore.CYAN, name, Fore.RESET, len(val)))
-            if full:
-                for v in val:
-                    logger.info("%s  - %s" % (indent, v))
+        return records
 
 
 class ShowRecordCommand(ChefCommand):
@@ -169,262 +120,188 @@
 
     def setupParser(self, parser, app):
         parser.add_argument(
-                '-o', '--output',
-                help="The output directory for which to show the bake record "
-                     "(defaults to `_counter`)",
-                nargs='?')
+            '-o', '--output',
+            help="The output directory for which to show the bake record "
+            "(defaults to `_counter`)",
+            nargs='?')
         parser.add_argument(
-                '-p', '--path',
-                help="A pattern that will be used to filter the relative path "
-                     "of entries to show.")
+            '-i', '--in-path',
+            help="A pattern that will be used to filter the relative path "
+            "of entries to show.")
         parser.add_argument(
-                '-t', '--out',
-                help="A pattern that will be used to filter the output path "
-                     "of entries to show.")
+            '-t', '--out-path',
+            help="A pattern that will be used to filter the output path "
+            "of entries to show.")
+        parser.add_argument(
+            '--fails',
+            action='store_true',
+            help="Only show record entries for failures.")
         parser.add_argument(
-                '--last',
-                type=int,
-                default=0,
-                help="Show the last Nth bake record.")
+            '--last',
+            type=int,
+            default=0,
+            help="Show the last Nth bake record.")
         parser.add_argument(
-                '--html-only',
-                action='store_true',
-                help="Only show records for pages (not from the asset "
-                     "pipeline).")
+            '--html-only',
+            action='store_true',
+            help="Only show records for pages (not from the asset "
+            "pipeline).")
         parser.add_argument(
-                '--assets-only',
-                action='store_true',
-                help="Only show records for assets (not from pages).")
+            '--assets-only',
+            action='store_true',
+            help="Only show records for assets (not from pages).")
         parser.add_argument(
-                '--show-stats',
-                action='store_true',
-                help="Show stats from the record.")
+            '-p', '--pipelines',
+            nargs='*',
+            help="Only show records for the given pipeline(s).")
         parser.add_argument(
-                '--show-manifest',
-                help="Show manifest entries from the record.")
+            '--show-stats',
+            action='store_true',
+            help="Show stats from the record.")
+        parser.add_argument(
+            '--show-manifest',
+            help="Show manifest entries from the record.")
 
     def run(self, ctx):
+        import fnmatch
+        from piecrust.baking.baker import get_bake_records_path
+        from piecrust.pipelines.records import load_records
+
         out_dir = ctx.args.output or os.path.join(ctx.app.root_dir, '_counter')
-        record_id = hashlib.md5(out_dir.encode('utf8')).hexdigest()
         suffix = '' if ctx.args.last == 0 else '.%d' % ctx.args.last
-        record_name = '%s%s.record' % (record_id, suffix)
+        records_path = get_bake_records_path(ctx.app, out_dir, suffix=suffix)
+        records = load_records(records_path)
+        if records.invalidated:
+            raise Exception(
+                "The bake record was saved by a previous version of "
+                "PieCrust and can't be shown.")
 
-        pattern = None
-        if ctx.args.path:
-            pattern = '*%s*' % ctx.args.path.strip('*')
+        in_pattern = None
+        if ctx.args.in_path:
+            in_pattern = '*%s*' % ctx.args.in_path.strip('*')
 
         out_pattern = None
-        if ctx.args.out:
-            out_pattern = '*%s*' % ctx.args.out.strip('*')
+        if ctx.args.out_path:
+            out_pattern = '*%s*' % ctx.args.out_path.strip('*')
+
+        pipelines = ctx.args.pipelines
+        if not pipelines:
+            pipelines = [p.PIPELINE_NAME
+                         for p in ctx.app.plugin_loader.getPipelines()]
+        if ctx.args.assets_only:
+            pipelines = ['asset']
+        if ctx.args.html_only:
+            pipelines = ['page']
+
+        logger.info("Bake record for: %s" % out_dir)
+        logger.info("Status: %s" % ('SUCCESS' if records.success
+                                    else 'FAILURE'))
+        logger.info("Date/time: %s" %
+                    datetime.datetime.fromtimestamp(records.bake_time))
+        logger.info("Incremental count: %d" % records.incremental_count)
+        logger.info("Versions: %s/%s" % (records._app_version,
+                                         records._record_version))
+        logger.info("")
 
         if not ctx.args.show_stats and not ctx.args.show_manifest:
-            if not ctx.args.assets_only:
-                self._showBakeRecord(
-                        ctx, record_name, pattern, out_pattern)
-            if not ctx.args.html_only:
-                self._showProcessingRecord(
-                        ctx, record_name, pattern, out_pattern)
-            return
+            for rec in records.records:
+                if ctx.args.fails and rec.success:
+                    continue
+
+                ppname = rec.name[rec.name.index('@') + 1:]
+                if ppname not in pipelines:
+                    continue
+
+                entries_to_show = []
 
-        stats = {}
-        bake_rec = self._getBakeRecord(ctx, record_name)
-        if bake_rec:
-            _merge_stats(bake_rec.stats, stats)
-        proc_rec = self._getProcessingRecord(ctx, record_name)
-        if proc_rec:
-            _merge_stats(proc_rec.stats, stats)
+                for e in rec.getEntries():
+                    if ctx.args.fails and e.success:
+                        continue
+                    if in_pattern and not fnmatch.fnmatch(e.item_spec,
+                                                          in_pattern):
+                        continue
+                    if out_pattern and not any(
+                            [fnmatch.fnmatch(op, out_pattern)
+                             for op in e.getAllOutputPaths()]):
+                        continue
+                    entries_to_show.append(e)
 
+                if entries_to_show:
+                    logger.info("Record: %s" % rec.name)
+                    logger.info("Status: %s" % ('SUCCESS' if rec.success
+                                                else 'FAILURE'))
+                    for e in entries_to_show:
+                        _print_record_entry(e)
+                    logger.info("")
+
+        stats = records.stats
         if ctx.args.show_stats:
-            _show_stats(stats, full=False)
+            _show_stats(stats)
 
         if ctx.args.show_manifest:
-            for name in sorted(stats.keys()):
-                logger.info('%s:' % name)
-                s = stats[name]
-                for name in sorted(s.manifests.keys()):
-                    if ctx.args.show_manifest.lower() in name.lower():
-                        val = s.manifests[name]
-                        logger.info(
-                            "    [%s%s%s] [%d entries]" %
-                            (Fore.CYAN, name, Fore.RESET, len(val)))
-                        for v in val:
-                            logger.info("      - %s" % v)
-
+            for name in sorted(stats.manifests.keys()):
+                if ctx.args.show_manifest.lower() in name.lower():
+                    val = stats.manifests[name]
+                    logger.info(
+                        "    [%s%s%s] [%d entries]" %
+                        (Fore.CYAN, name, Fore.RESET, len(val)))
+                    for v in val:
+                        logger.info("      - %s" % v)
 
 
-    def _getBakeRecord(self, ctx, record_name):
-        record_cache = ctx.app.cache.getCache('baker')
-        if not record_cache.has(record_name):
-            logger.warning(
-                    "No page bake record has been created for this output "
-                    "path.")
-            return None
-
-        record = BakeRecord.load(record_cache.getCachePath(record_name))
-        return record
-
-    def _showBakeRecord(self, ctx, record_name, pattern, out_pattern):
-        record = self._getBakeRecord(ctx, record_name)
-        if record is None:
-            return
-
-        logging.info("Bake record for: %s" % record.out_dir)
-        logging.info("From: %s" % record_name)
-        logging.info("Last baked: %s" %
-                     datetime.datetime.fromtimestamp(record.bake_time))
-        if record.success:
-            logging.info("Status: success")
-        else:
-            logging.error("Status: failed")
-        logging.info("Entries:")
-        for entry in record.entries:
-            if pattern and not fnmatch.fnmatch(entry.path, pattern):
-                continue
-            if out_pattern and not (
-                    any([o for o in entry.all_out_paths
-                         if fnmatch.fnmatch(o, out_pattern)])):
-                continue
+def _show_stats(stats, *, full=False):
+    indent = '    '
 
-            flags = _get_flag_descriptions(
-                    entry.flags,
-                    {
-                        BakeRecordEntry.FLAG_NEW: 'new',
-                        BakeRecordEntry.FLAG_SOURCE_MODIFIED: 'modified',
-                        BakeRecordEntry.FLAG_OVERRIDEN: 'overriden'})
-
-            logging.info(" - ")
-
-            rel_path = os.path.relpath(entry.path, ctx.app.root_dir)
-            logging.info("   path:      %s" % rel_path)
-            logging.info("   source:    %s" % entry.source_name)
-            if entry.extra_key:
-                logging.info("   extra key: %s" % entry.extra_key)
-            logging.info("   flags:     %s" % _join(flags))
-            logging.info("   config:    %s" % entry.config)
-
-            if entry.errors:
-                logging.error("   errors: %s" % entry.errors)
-
-            logging.info("   %d sub-pages:" % len(entry.subs))
-            for sub in entry.subs:
-                sub_flags = _get_flag_descriptions(
-                        sub.flags,
-                        {
-                            SubPageBakeInfo.FLAG_BAKED: 'baked',
-                            SubPageBakeInfo.FLAG_FORCED_BY_SOURCE:
-                                'forced by source',
-                            SubPageBakeInfo.FLAG_FORCED_BY_NO_PREVIOUS:
-                                'forced by missing previous record entry',
-                            SubPageBakeInfo.FLAG_FORCED_BY_PREVIOUS_ERRORS:
-                                'forced by previous errors',
-                            SubPageBakeInfo.FLAG_FORMATTING_INVALIDATED:
-                                'formatting invalidated'})
-
-                logging.info("   - ")
-                logging.info("     URL:    %s" % sub.out_uri)
-                logging.info("     path:   %s" % os.path.relpath(
-                        sub.out_path, record.out_dir))
-                logging.info("     flags:  %s" % _join(sub_flags))
+    logger.info('  Timers:')
+    for name, val in sorted(stats.timers.items(), key=lambda i: i[1],
+                            reverse=True):
+        val_str = '%8.1f s' % val
+        logger.info(
+            "%s[%s%s%s] %s" %
+            (indent, Fore.GREEN, val_str, Fore.RESET, name))
 
-                pass_names = {
-                        PASS_FORMATTING: 'formatting pass',
-                        PASS_RENDERING: 'rendering pass'}
-                for p, ri in enumerate(sub.render_info):
-                    logging.info("     - %s" % pass_names[p])
-                    if not ri:
-                        logging.info("       no info")
-                        continue
-
-                    logging.info("       used sources:  %s" %
-                                 _join(ri.used_source_names))
-                    pgn_info = 'no'
-                    if ri.used_pagination:
-                        pgn_info = 'yes'
-                    if ri.pagination_has_more:
-                        pgn_info += ', has more'
-                    logging.info("       used pagination: %s", pgn_info)
-                    logging.info("       used assets: %s",
-                                 'yes' if ri.used_assets else 'no')
-                    logging.info("       other info:")
-                    for k, v in ri._custom_info.items():
-                        logging.info("       - %s: %s" % (k, v))
-
-                if sub.errors:
-                    logging.error("   errors: %s" % sub.errors)
-
-    def _getProcessingRecord(self, ctx, record_name):
-        record_cache = ctx.app.cache.getCache('proc')
-        if not record_cache.has(record_name):
-            logger.warning(
-                    "No asset processing record has been created for this "
-                    "output path.")
-            return None
-
-        record = ProcessorPipelineRecord.load(
-                record_cache.getCachePath(record_name))
-        return record
+    logger.info('  Counters:')
+    for name in sorted(stats.counters.keys()):
+        val_str = '%8d  ' % stats.counters[name]
+        logger.info(
+            "%s[%s%s%s] %s" %
+            (indent, Fore.GREEN, val_str, Fore.RESET, name))
 
-    def _showProcessingRecord(self, ctx, record_name, pattern, out_pattern):
-        record = self._getProcessingRecord(ctx, record_name)
-        if record is None:
-            return
-
-        logging.info("")
-        logging.info("Processing record for: %s" % record.out_dir)
-        logging.info("Last baked: %s" %
-                     datetime.datetime.fromtimestamp(record.process_time))
-        if record.success:
-            logging.info("Status: success")
-        else:
-            logging.error("Status: failed")
-        logging.info("Entries:")
-        for entry in record.entries:
-            rel_path = os.path.relpath(entry.path, ctx.app.root_dir)
-            if pattern and not fnmatch.fnmatch(rel_path, pattern):
-                continue
-            if out_pattern and not (
-                    any([o for o in entry.rel_outputs
-                         if fnmatch.fnmatch(o, out_pattern)])):
-                continue
-
-            flags = _get_flag_descriptions(
-                    entry.flags,
-                    {
-                        FLAG_PREPARED: 'prepared',
-                        FLAG_PROCESSED: 'processed',
-                        FLAG_BYPASSED_STRUCTURED_PROCESSING: 'external',
-                        FLAG_COLLAPSED_FROM_LAST_RUN: 'from last run'})
-
-            logger.info(" - ")
-            logger.info("   path:      %s" % rel_path)
-            logger.info("   out paths: %s" % entry.rel_outputs)
-            logger.info("   flags:     %s" % _join(flags))
-            logger.info("   proc tree: %s" % _format_proc_tree(
-                    entry.proc_tree, 14*' '))
-
-            if entry.errors:
-                logger.error("   errors: %s" % entry.errors)
+    logger.info('  Manifests:')
+    for name in sorted(stats.manifests.keys()):
+        val = stats.manifests[name]
+        logger.info(
+            "%s[%s%s%s] [%d entries]" %
+            (indent, Fore.CYAN, name, Fore.RESET, len(val)))
+        if full:
+            for v in val:
+                logger.info("%s  - %s" % (indent, v))
 
 
-def _join(items, sep=', ', text_if_none='none'):
-    if items:
-        return sep.join(items)
-    return text_if_none
+def _print_record_entry(e):
+    import pprint
+    import textwrap
 
+    logger.info(" - %s" % e.item_spec)
+    logger.info("   Outputs:")
+    out_paths = list(e.getAllOutputPaths())
+    if out_paths:
+        for op in out_paths:
+            logger.info("    - %s" % op)
+    else:
+        logger.info("      <none>")
 
-def _get_flag_descriptions(flags, descriptions):
-    res = []
-    for k, v in descriptions.items():
-        if flags & k:
-            res.append(v)
-    return res
-
+    e_desc = e.describe()
+    for k, v in e_desc.items():
+        if isinstance(v, dict):
+            text = pprint.pformat(v, indent=2)
+            logger.info("   %s:" % k)
+            logger.info(textwrap.indent(text, '     '))
+        else:
+            logger.info("   %s: %s" % (k, v))
 
-def _format_proc_tree(tree, margin='', level=0):
-    name, children = tree
-    res = '%s%s+ %s\n' % (margin if level > 0 else '', level * '  ', name)
-    if children:
-        for c in children:
-            res += _format_proc_tree(c, margin, level + 1)
-    return res
-
+    errors = list(e.getAllErrors())
+    if errors:
+        logger.error("   Errors:")
+        for err in errors:
+            logger.error("    - %s" % err)
--- a/piecrust/commands/builtin/info.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/commands/builtin/info.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,8 +1,6 @@
 import os.path
 import logging
-import fnmatch
 from piecrust.commands.base import ChefCommand
-from piecrust.configuration import ConfigurationDumper
 
 
 logger = logging.getLogger(__name__)
@@ -29,11 +27,14 @@
 
     def setupParser(self, parser, app):
         parser.add_argument(
-                'path',
-                help="The path to a config section or value",
-                nargs='?')
+            'path',
+            help="The path to a config section or value",
+            nargs='?')
 
     def run(self, ctx):
+        import yaml
+        from piecrust.configuration import ConfigurationDumper
+
         if ctx.args.path:
             show = ctx.app.config.get(ctx.args.path)
         else:
@@ -41,7 +42,6 @@
 
         if show is not None:
             if isinstance(show, (dict, list)):
-                import yaml
                 out = yaml.dump(show, default_flow_style=False,
                                 Dumper=ConfigurationDumper)
                 logger.info(out)
@@ -65,7 +65,11 @@
         for src in ctx.app.sources:
             logger.info("%s:" % src.name)
             logger.info("    type: %s" % src.config.get('type'))
-            logger.info("    class: %s" % type(src))
+            logger.debug("    class: %s" % type(src))
+            desc = src.describe()
+            if isinstance(desc, dict):
+                for k, v in desc.items():
+                    logger.info("    %s: %s" % (k, v))
 
 
 class ShowRoutesCommand(ChefCommand):
@@ -81,7 +85,6 @@
         for route in ctx.app.routes:
             logger.info("%s:" % route.uri_pattern)
             logger.info("    source: %s" % (route.source_name or ''))
-            logger.info("    generator: %s" % (route.generator_name or ''))
             logger.info("    regex: %s" % route.uri_re.pattern)
             logger.info("    function: %s(%s)" % (
                 route.func_name,
@@ -118,31 +121,34 @@
 
     def setupParser(self, parser, app):
         parser.add_argument(
-                'pattern',
-                help="The pattern to match with page filenames",
-                nargs='?')
+            'pattern',
+            help="The pattern to match with page filenames",
+            nargs='?')
         parser.add_argument(
-                '-n', '--name',
-                help="Limit the search to sources matching this name")
+            '-n', '--name',
+            help="Limit the search to sources matching this name")
         parser.add_argument(
-                '--full-path',
-                help="Return full paths instead of root-relative paths",
-                action='store_true')
+            '--full-path',
+            help="Return full paths instead of root-relative paths",
+            action='store_true')
         parser.add_argument(
-                '--metadata',
-                help="Return metadata about the page instead of just the path",
-                action='store_true')
+            '--metadata',
+            help="Return metadata about the page instead of just the path",
+            action='store_true')
         parser.add_argument(
-                '--include-theme',
-                help="Include theme pages to the search",
-                action='store_true')
+            '--include-theme',
+            help="Include theme pages to the search",
+            action='store_true')
         parser.add_argument(
-                '--exact',
-                help=("Match the exact given pattern, instead of any page "
-                      "containing the pattern"),
-                action='store_true')
+            '--exact',
+            help=("Match the exact given pattern, instead of any page "
+                  "containing the pattern"),
+            action='store_true')
 
     def run(self, ctx):
+        import fnmatch
+        from piecrust.sources.fs import FSContentSourceBase
+
         pattern = ctx.args.pattern
         sources = list(ctx.app.sources)
         if not ctx.args.exact and pattern is not None:
@@ -154,17 +160,28 @@
             if ctx.args.name and not fnmatch.fnmatch(src.name, ctx.args.name):
                 continue
 
-            page_facs = src.getPageFactories()
-            for pf in page_facs:
-                name = os.path.relpath(pf.path, ctx.app.root_dir)
-                if pattern is None or fnmatch.fnmatch(name, pattern):
-                    if ctx.args.full_path:
-                        name = pf.path
-                    if ctx.args.metadata:
-                        logger.info("path:%s" % pf.path)
-                        for key, val in pf.metadata.items():
-                            logger.info("%s:%s" % (key, val))
-                        logger.info("---")
+            is_fs_src = isinstance(src, FSContentSourceBase)
+            items = src.getAllContents()
+            for item in items:
+                if ctx.args.metadata:
+                    logger.info("spec:%s" % item.spec)
+                    for key, val in item.metadata.items():
+                        logger.info("%s:%s" % (key, val))
+                    logger.info("---")
+                else:
+                    if is_fs_src:
+                        name = os.path.relpath(item.spec, ctx.app.root_dir)
+                        if pattern is None or fnmatch.fnmatch(name, pattern):
+                            if ctx.args.metadata:
+                                logger.info("path:%s" % item.spec)
+                                for key, val in item.metadata.items():
+                                    logger.info("%s:%s" % (key, val))
+                                logger.info("---")
+                            else:
+                                if ctx.args.full_path:
+                                    name = item.spec
+                                logger.info(name)
                     else:
-                        logger.info(name)
+                        if pattern is None or fnmatch.fnmatch(name, pattern):
+                            logger.info(item.spec)
 
--- a/piecrust/commands/builtin/plugins.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/commands/builtin/plugins.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,6 +1,5 @@
 import logging
 from piecrust.commands.base import ChefCommand
-from piecrust.pathutil import SiteNotFoundError
 
 
 logger = logging.getLogger(__name__)
@@ -20,17 +19,19 @@
 
         subparsers = parser.add_subparsers()
         p = subparsers.add_parser(
-                'list',
-                help="Lists the plugins installed in the current website.")
+            'list',
+            help="Lists the plugins installed in the current website.")
         p.add_argument(
-                '-a', '--all',
-                action='store_true',
-                help=("Also list all the available plugins for the "
-                      "current environment. The installed one will have an "
-                      "asterix (*)."))
+            '-a', '--all',
+            action='store_true',
+            help=("Also list all the available plugins for the "
+                  "current environment. The installed one will have an "
+                  "asterix (*)."))
         p.set_defaults(sub_func=self._listPlugins)
 
     def checkedRun(self, ctx):
+        from piecrust.pathutil import SiteNotFoundError
+
         if ctx.app.root_dir is None:
             raise SiteNotFoundError(theme=ctx.app.theme_site)
 
@@ -40,10 +41,11 @@
         ctx.args.sub_func(ctx)
 
     def _listPlugins(self, ctx):
+        import pip
+
         names = {}
         installed_suffix = ''
         if ctx.args.all:
-            import pip
             prefix = 'PieCrust-'
             installed_packages = pip.get_installed_distributions()
             for plugin in installed_packages:
--- a/piecrust/commands/builtin/publishing.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/commands/builtin/publishing.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,8 +1,5 @@
 import logging
-import urllib.parse
 from piecrust.commands.base import ChefCommand
-from piecrust.pathutil import SiteNotFoundError
-from piecrust.publishing.publisher import Publisher, find_publisher_name
 
 
 logger = logging.getLogger(__name__)
@@ -18,13 +15,13 @@
 
     def setupParser(self, parser, app):
         parser.add_argument(
-                '--log-publisher',
-                metavar='LOG_FILE',
-                help="Log the publisher's output to a given file.")
+            '--log-publisher',
+            metavar='LOG_FILE',
+            help="Log the publisher's output to a given file.")
         parser.add_argument(
-                '--preview',
-                action='store_true',
-                help="Only preview what the publisher would do.")
+            '--preview',
+            action='store_true',
+            help="Only preview what the publisher would do.")
 
         # Don't setup anything for a null app.
         if app.root_dir is None:
@@ -33,8 +30,8 @@
         subparsers = parser.add_subparsers()
         for pub in app.publishers:
             p = subparsers.add_parser(
-                    pub.target,
-                    help="Publish using target '%s'." % pub.target)
+                pub.target,
+                help="Publish using target '%s'." % pub.target)
             pub.setupPublishParser(p, app)
             p.set_defaults(sub_func=self._doPublish)
             p.set_defaults(target=pub.target)
@@ -47,6 +44,8 @@
                 "https://bolt80.com/piecrust/en/latest/docs/publishing/")
 
     def checkedRun(self, ctx):
+        from piecrust.pathutil import SiteNotFoundError
+
         if ctx.app.root_dir is None:
             raise SiteNotFoundError(theme=ctx.app.theme_site)
 
@@ -56,12 +55,12 @@
         ctx.args.sub_func(ctx)
 
     def _doPublish(self, ctx):
-        pub = Publisher(ctx.app)
+        from piecrust.publishing.base import PublishingManager
+
+        pub = PublishingManager(ctx.appfactory, ctx.app)
         pub.run(
-                ctx.args.target,
-                preview=ctx.args.preview,
-                extra_args=ctx.args,
-                log_file=ctx.args.log_publisher,
-                applied_config_variant=ctx.config_variant,
-                applied_config_values=ctx.config_values)
+            ctx.args.target,
+            preview=ctx.args.preview,
+            extra_args=ctx.args,
+            log_file=ctx.args.log_publisher)
 
--- a/piecrust/commands/builtin/scaffolding.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/commands/builtin/scaffolding.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,27 +1,12 @@
 import os
 import os.path
-import re
-import io
-import time
-import glob
 import logging
-import textwrap
-from piecrust import RESOURCES_DIR
-from piecrust.chefutil import print_help_item
 from piecrust.commands.base import ExtendableChefCommand, ChefCommandExtension
-from piecrust.sources.base import MODE_CREATING
-from piecrust.sources.interfaces import IPreparingSource
-from piecrust.uriutil import multi_replace
 
 
 logger = logging.getLogger(__name__)
 
 
-def make_title(slug):
-    slug = re.sub(r'[\-_]', ' ', slug)
-    return slug.title()
-
-
 class PrepareCommand(ExtendableChefCommand):
     """ Chef command for creating pages with some default content.
     """
@@ -36,6 +21,8 @@
         if app.root_dir is None:
             return
 
+        from piecrust.sources.interfaces import IPreparingSource
+
         subparsers = parser.add_subparsers()
         for src in app.sources:
             if not isinstance(src, IPreparingSource):
@@ -47,18 +34,22 @@
                              "source." % src.name)
                 continue
             p = subparsers.add_parser(
-                    src.item_name,
-                    help=("Creates an empty page in the '%s' source." %
-                          src.name))
+                src.config['item_name'],
+                help=("Creates an empty page in the '%s' source." %
+                      src.name))
             src.setupPrepareParser(p, app)
             p.add_argument('-t', '--template', default='default',
                            help="The template to use, which will change the "
-                                "generated text and header. Run `chef help "
-                                "scaffolding` for more information.")
+                           "generated text and header. Run `chef help "
+                           "scaffolding` for more information.")
+            p.add_argument('-f', '--force', action='store_true',
+                           help="Overwrite any existing content.")
             p.set_defaults(source=src)
             p.set_defaults(sub_func=self._doRun)
 
     def checkedRun(self, ctx):
+        from piecrust.pathutil import SiteNotFoundError
+
         if ctx.app.root_dir is None:
             raise SiteNotFoundError(theme=ctx.app.theme_site)
 
@@ -68,60 +59,57 @@
         ctx.args.sub_func(ctx)
 
     def _doRun(self, ctx):
+        import time
+        from piecrust.uriutil import multi_replace
+        from piecrust.sources.fs import FSContentSourceBase
+
         if not hasattr(ctx.args, 'source'):
             raise Exception("No source specified. "
                             "Please run `chef prepare -h` for usage.")
 
         app = ctx.app
-        source = ctx.args.source
-        metadata = source.buildMetadata(ctx.args)
-        factory = source.findPageFactory(metadata, MODE_CREATING)
-        path = factory.path
-        name, ext = os.path.splitext(path)
-        if ext == '.*':
-            path = '%s.%s' % (
-                    name,
-                    app.config.get('site/default_auto_format'))
-        if os.path.exists(path):
-            raise Exception("'%s' already exists." % path)
-
         tpl_name = ctx.args.template
         extensions = self.getExtensions(app)
         ext = next(
-                filter(
-                    lambda e: tpl_name in e.getTemplateNames(ctx.app),
-                    extensions),
-                None)
+            filter(
+                lambda e: tpl_name in e.getTemplateNames(app),
+                extensions),
+            None)
         if ext is None:
             raise Exception("No such page template: %s" % tpl_name)
-
-        tpl_text = ext.getTemplate(ctx.app, tpl_name)
+        tpl_text = ext.getTemplate(app, tpl_name)
         if tpl_text is None:
             raise Exception("Error loading template: %s" % tpl_name)
-        title = (metadata.get('slug') or metadata.get('path') or
-                 'Untitled page')
-        title = make_title(title)
-        tokens = {
-                '%title%': title,
-                '%time.today%': time.strftime('%Y/%m/%d'),
-                '%time.now%': time.strftime('%H:%M:%S')}
-        tpl_text = multi_replace(tpl_text, tokens)
+
+        source = ctx.args.source
+        content_item = source.createContent(vars(ctx.args))
 
-        logger.info("Creating page: %s" % os.path.relpath(path, app.root_dir))
-        if not os.path.exists(os.path.dirname(path)):
-            os.makedirs(os.path.dirname(path), 0o755)
+        config_tokens = {
+            '%title%': "Untitled Content",
+            '%time.today%': time.strftime('%Y/%m/%d'),
+            '%time.now%': time.strftime('%H:%M:%S')
+        }
+        config = content_item.metadata.get('config')
+        if config:
+            for k, v in config.items():
+                config_tokens['%%%s%%' % k] = v
+        tpl_text = multi_replace(tpl_text, config_tokens)
 
-        with open(path, 'w') as f:
+        logger.info("Creating content: %s" % content_item.spec)
+        mode = 'w' if ctx.args.force else 'x'
+        with content_item.open(mode) as f:
             f.write(tpl_text)
 
+        # If this was a file-system content item, see if we need to auto-open
+        # an editor on it.
         editor = ctx.app.config.get('prepare/editor')
         editor_type = ctx.app.config.get('prepare/editor_type', 'exe')
-        if editor:
+        if editor and isinstance(source, FSContentSourceBase):
             import shlex
             shell = False
-            args = '%s "%s"' % (editor, path)
+            args = '%s "%s"' % (editor, content_item.spec)
             if '%path%' in editor:
-                args = editor.replace('%path%', path)
+                args = editor.replace('%path%', content_item.spec)
 
             if editor_type.lower() == 'shell':
                 shell = True
@@ -146,12 +134,14 @@
 
     def getTemplateDescription(self, app, name):
         descs = {
-                'default': "The default template, for a simple page.",
-                'rss': "A fully functional RSS feed.",
-                'atom': "A fully functional Atom feed."}
+            'default': "The default template, for a simple page.",
+            'rss': "A fully functional RSS feed.",
+            'atom': "A fully functional Atom feed."}
         return descs[name]
 
     def getTemplate(self, app, name):
+        from piecrust import RESOURCES_DIR
+
         assert name in ['default', 'rss', 'atom']
         src_path = os.path.join(RESOURCES_DIR, 'prepare', '%s.html' % name)
         with open(src_path, 'r', encoding='utf8') as fp:
@@ -182,6 +172,8 @@
         return "User-defined template."
 
     def getTemplate(self, app, name):
+        import glob
+
         templates_dir = self._getTemplatesDir(app)
         pattern = os.path.join(templates_dir, '%s.*' % name)
         matches = glob.glob(pattern)
@@ -189,7 +181,7 @@
             raise Exception("No such page scaffolding template: %s" % name)
         if len(matches) > 1:
             raise Exception(
-                    "More than one scaffolding template has name: %s" % name)
+                "More than one scaffolding template has name: %s" % name)
         with open(matches[0], 'r', encoding='utf8') as fp:
             return fp.read()
 
@@ -204,6 +196,10 @@
                  "Available templates for the 'prepare' command.")]
 
     def getHelpTopic(self, topic, app):
+        import io
+        import textwrap
+        from piecrust.chefutil import print_help_item
+
         with io.StringIO() as tplh:
             extensions = app.plugin_loader.getCommandExtensions()
             for e in extensions:
@@ -214,16 +210,16 @@
             help_list = tplh.getvalue()
 
         help_txt = (
-                textwrap.fill(
-                    "Running the 'prepare' command will let "
-                    "PieCrust setup a page for you in the correct place, with "
-                    "some hopefully useful default text.") +
-                "\n\n" +
-                textwrap.fill("The following templates are available:") +
-                "\n\n" +
-                help_list +
-                "\n" +
-                "You can add user-defined templates by creating pages in a "
-                "`scaffold/pages` sub-directory in your website.")
+            textwrap.fill(
+                "Running the 'prepare' command will let "
+                "PieCrust setup a page for you in the correct place, with "
+                "some hopefully useful default text.") +
+            "\n\n" +
+            textwrap.fill("The following templates are available:") +
+            "\n\n" +
+            help_list +
+            "\n" +
+            "You can add user-defined templates by creating pages in a "
+            "`scaffold/pages` sub-directory in your website.")
         return help_txt
 
--- a/piecrust/commands/builtin/serving.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/commands/builtin/serving.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,6 +1,5 @@
 import logging
 from piecrust.commands.base import ChefCommand
-from piecrust.serving.wrappers import run_werkzeug_server, run_gunicorn_server
 
 
 logger = logging.getLogger(__name__)
@@ -15,57 +14,41 @@
 
     def setupParser(self, parser, app):
         parser.add_argument(
-                '-p', '--port',
-                help="The port for the web server",
-                default=8080)
+            '-p', '--port',
+            help="The port for the web server",
+            default=8080)
         parser.add_argument(
-                '-a', '--address',
-                help="The host for the web server",
-                default='localhost')
+            '-a', '--address',
+            help="The host for the web server",
+            default='localhost')
+        parser.add_argument(
+            '--use-reloader',
+            help="Restart the server when PieCrust code changes",
+            action='store_true')
         parser.add_argument(
-                '--use-reloader',
-                help="Restart the server when PieCrust code changes",
-                action='store_true')
+            '--use-debugger',
+            help="Show the debugger when an error occurs",
+            action='store_true')
         parser.add_argument(
-                '--use-debugger',
-                help="Show the debugger when an error occurs",
-                action='store_true')
+            '--admin',
+            help="Also serve the administration panel.",
+            action='store_true')
         parser.add_argument(
-                '--wsgi',
-                help="The WSGI server implementation to use",
-                choices=['werkzeug', 'gunicorn'],
-                default='werkzeug')
+            '--wsgi',
+            help="The WSGI server implementation to use",
+            choices=['werkzeug', 'gunicorn'],
+            default='werkzeug')
 
     def run(self, ctx):
-        root_dir = ctx.app.root_dir
+        appfactory = ctx.appfactory
         host = ctx.args.address
         port = int(ctx.args.port)
-        debug = ctx.args.debug or ctx.args.use_debugger
-
-        from piecrust.app import PieCrustFactory
-        appfactory = PieCrustFactory(
-                ctx.app.root_dir,
-                cache=ctx.app.cache.enabled,
-                cache_key=ctx.app.cache_key,
-                config_variant=ctx.config_variant,
-                config_values=ctx.config_values,
-                debug=ctx.app.debug,
-                theme_site=ctx.app.theme_site)
+        use_debugger = ctx.args.debug or ctx.args.use_debugger
 
-        if ctx.args.wsgi == 'werkzeug':
-            run_werkzeug_server(
-                    appfactory, host, port,
-                    use_debugger=debug,
-                    use_reloader=ctx.args.use_reloader)
-
-        elif ctx.args.wsgi == 'gunicorn':
-            options = {
-                    'bind': '%s:%s' % (host, port),
-                    'accesslog': '-',  # print access log to stderr
-                    }
-            if debug:
-                options['loglevel'] = 'debug'
-            if ctx.args.use_reloader:
-                options['reload'] = True
-            run_gunicorn_server(appfactory, gunicorn_options=options)
-
+        from piecrust.serving.wrappers import run_piecrust_server
+        run_piecrust_server(
+            ctx.args.wsgi, appfactory, host, port,
+            is_cmdline_mode=True,
+            serve_admin=ctx.args.admin,
+            use_reloader=ctx.args.use_reloader,
+            use_debugger=use_debugger)
--- a/piecrust/commands/builtin/themes.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/commands/builtin/themes.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,12 +1,8 @@
 import os
 import os.path
-import shutil
 import logging
-import yaml
-from piecrust import (
-        RESOURCES_DIR, THEME_DIR, THEME_CONFIG_PATH, THEME_INFO_PATH)
+from piecrust import THEME_DIR, THEME_CONFIG_PATH, THEME_INFO_PATH
 from piecrust.commands.base import ChefCommand
-from piecrust.pathutil import SiteNotFoundError
 
 
 logger = logging.getLogger(__name__)
@@ -21,34 +17,36 @@
     def setupParser(self, parser, app):
         subparsers = parser.add_subparsers()
         p = subparsers.add_parser(
-                'info',
-                help="Provides information about the current theme.")
+            'info',
+            help="Provides information about the current theme.")
         p.set_defaults(sub_func=self._info)
 
         p = subparsers.add_parser(
-                'override',
-                help="Copies the current theme to the website for "
-                     "customization.")
+            'override',
+            help="Copies the current theme to the website for "
+            "customization.")
         p.set_defaults(sub_func=self._overrideTheme)
 
         p = subparsers.add_parser(
-                'link',
-                help="Makes a given theme the active one for the current "
-                     "website by creating a symbolic link to it from the "
-                     "'theme' directory.")
+            'link',
+            help="Makes a given theme the active one for the current "
+            "website by creating a symbolic link to it from the "
+            "'theme' directory.")
         p.add_argument(
-                'theme_dir',
-                help="The directory of the theme to link.")
+            'theme_dir',
+            help="The directory of the theme to link.")
         p.set_defaults(sub_func=self._linkTheme)
 
         p = subparsers.add_parser(
-                'unlink',
-                help="Removes the currently active theme for the website. "
-                     "This removes the symbolic link to the theme, if any, or "
-                     "deletes the theme folder if it was copied locally.")
+            'unlink',
+            help="Removes the currently active theme for the website. "
+            "This removes the symbolic link to the theme, if any, or "
+            "deletes the theme folder if it was copied locally.")
         p.set_defaults(sub_func=self._unlinkTheme)
 
     def checkedRun(self, ctx):
+        from piecrust.pathutil import SiteNotFoundError
+
         if ctx.app.root_dir is None:
             raise SiteNotFoundError(theme=ctx.app.theme_site)
 
@@ -58,6 +56,8 @@
         ctx.args.sub_func(ctx)
 
     def _info(self, ctx):
+        import yaml
+
         theme_dir = ctx.app.theme_dir
         if not os.path.exists(theme_dir):
             logger.info("Using default theme, from: %s" % ctx.app.theme_dir)
@@ -84,6 +84,8 @@
                     logger.info("  - %s: %s" % (str(k), str(v)))
 
     def _overrideTheme(self, ctx):
+        import shutil
+
         theme_dir = ctx.app.theme_dir
         if not theme_dir:
             logger.error("There is no theme currently applied.")
@@ -101,24 +103,24 @@
                 dst_path = os.path.join(app_dir, rel_dirpath, name)
                 copies.append((src_path, dst_path))
 
-        conflicts = []
+        conflicts = set()
         for c in copies:
             if os.path.exists(c[1]):
-                conflicts.append(c[1])
+                conflicts.add(c[1])
         if conflicts:
-            logger.warning("Some website files will be overwritten:")
+            logger.warning("Some website files override theme files:")
             for c in conflicts:
                 logger.warning(os.path.relpath(c, app_dir))
-            logger.warning("Are you sure? [Y/n]")
-            ans = input()
-            if len(ans) > 0 and ans.lower() not in ['y', 'yes']:
-                return 1
+            logger.warning("")
+            logger.warning("The local website files will be preserved, and "
+                           "the conflicting theme files won't be copied "
+                           "locally.")
 
         for c in copies:
-            logger.info(os.path.relpath(c[1], app_dir))
-            if not os.path.exists(os.path.dirname(c[1])):
-                os.makedirs(os.path.dirname(c[1]))
-            shutil.copy2(c[0], c[1])
+            if not c[1] in conflicts:
+                logger.info(os.path.relpath(c[1], app_dir))
+                os.makedirs(os.path.dirname(c[1]), exist_ok=True)
+                shutil.copy2(c[0], c[1])
 
     def _linkTheme(self, ctx):
         if not os.path.isdir(ctx.args.theme_dir):
@@ -126,7 +128,7 @@
             return 1
 
         msg = ("A theme already exists, and will be deleted. "
-                "Are you sure? [Y/n]")
+               "Are you sure? [Y/n]")
         self._doUnlinkTheme(ctx.app.root_dir, msg)
 
         theme_dir = os.path.join(ctx.app.root_dir, THEME_DIR)
@@ -139,10 +141,12 @@
 
     def _unlinkTheme(self, ctx):
         msg = ("The active theme is local. Are you sure you want "
-                "to delete the theme directory? [Y/n]")
+               "to delete the theme directory? [Y/n]")
         self._doUnlinkTheme(ctx.app.root_dir, msg)
 
     def _doUnlinkTheme(self, root_dir, delete_message):
+        import shutil
+
         theme_dir = os.path.join(root_dir, THEME_DIR)
 
         if os.path.islink(theme_dir):
--- a/piecrust/commands/builtin/util.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/commands/builtin/util.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,9 +1,6 @@
 import os
 import os.path
-import shutil
-import codecs
 import logging
-import yaml
 from piecrust import CACHE_DIR, RESOURCES_DIR
 from piecrust.app import CONFIG_PATH, THEME_CONFIG_PATH
 from piecrust.commands.base import ChefCommand
@@ -21,8 +18,8 @@
 
     def setupParser(self, parser, app):
         parser.add_argument(
-                'destination',
-                help="The destination directory in which to create the website.")
+            'destination',
+            help="The destination directory in which to create the website.")
 
     def run(self, ctx):
         destination = ctx.args.destination
@@ -41,7 +38,8 @@
 
         tpl_path = os.path.join(RESOURCES_DIR, 'webinit', CONFIG_PATH)
         if ctx.args.theme:
-            tpl_path = os.path.join(RESOURCES_DIR, 'webinit', THEME_CONFIG_PATH)
+            tpl_path = os.path.join(RESOURCES_DIR, 'webinit',
+                                    THEME_CONFIG_PATH)
         with open(tpl_path, 'r', encoding='utf-8') as fp:
             config_text = fp.read()
 
@@ -59,6 +57,8 @@
         pass
 
     def run(self, ctx):
+        import shutil
+
         cache_dir = os.path.join(ctx.app.root_dir, CACHE_DIR)
         if cache_dir and os.path.isdir(cache_dir):
             logger.info("Purging cache: %s" % cache_dir)
--- a/piecrust/configuration.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/configuration.py	Fri Sep 29 17:05:09 2017 -0700
@@ -15,6 +15,13 @@
 default_allowed_types = (dict, list, tuple, float, int, bool, str)
 
 
+MERGE_NEW_VALUES = 0
+MERGE_OVERWRITE_VALUES = 1
+MERGE_PREPEND_LISTS = 2
+MERGE_APPEND_LISTS = 4
+MERGE_ALL = MERGE_OVERWRITE_VALUES | MERGE_PREPEND_LISTS
+
+
 class ConfigurationError(Exception):
     pass
 
@@ -64,7 +71,7 @@
         self._ensureLoaded()
         return self._values
 
-    def merge(self, other):
+    def merge(self, other, mode=MERGE_ALL):
         self._ensureLoaded()
 
         if isinstance(other, dict):
@@ -73,7 +80,7 @@
             other_values = other._values
         else:
             raise Exception(
-                    "Unsupported value type to merge: %s" % type(other))
+                "Unsupported value type to merge: %s" % type(other))
 
         merge_dicts(self._values, other_values,
                     validator=self._validateValue)
@@ -96,7 +103,7 @@
             return
         if not isinstance(v, allowed_types):
             raise ConfigurationError(
-                    "Value '%s' is of forbidden type: %s" % (v, type(v)))
+                "Value '%s' is of forbidden type: %s" % (v, type(v)))
         if isinstance(v, dict):
             self._validateDictTypesRecursive(v, allowed_types)
         elif isinstance(v, list):
@@ -162,13 +169,6 @@
             cur = cur[b]
 
 
-MERGE_NEW_VALUES = 0
-MERGE_OVERWRITE_VALUES = 1
-MERGE_PREPEND_LISTS = 2
-MERGE_APPEND_LISTS = 4
-MERGE_ALL = MERGE_OVERWRITE_VALUES | MERGE_PREPEND_LISTS
-
-
 def merge_dicts(source, merging, *args,
                 validator=None, mode=MERGE_ALL):
     _recurse_merge_dicts(source, merging, None, validator, mode)
@@ -223,7 +223,7 @@
 
 
 header_regex = re.compile(
-        r'(---\s*\n)(?P<header>(.*\n)*?)^(---\s*\n)', re.MULTILINE)
+    r'(---\s*\n)(?P<header>(.*\n)*?)^(---\s*\n)', re.MULTILINE)
 
 
 def parse_config_header(text):
@@ -239,17 +239,18 @@
 
 
 class ConfigurationLoader(SafeLoader):
-    """ A YAML loader that loads mappings into ordered dictionaries.
+    """ A YAML loader that loads mappings into ordered dictionaries,
+        and supports sexagesimal notations for timestamps.
     """
     def __init__(self, *args, **kwargs):
         super(ConfigurationLoader, self).__init__(*args, **kwargs)
 
         self.add_constructor('tag:yaml.org,2002:map',
-                type(self).construct_yaml_map)
+                             type(self).construct_yaml_map)
         self.add_constructor('tag:yaml.org,2002:omap',
-                type(self).construct_yaml_map)
+                             type(self).construct_yaml_map)
         self.add_constructor('tag:yaml.org,2002:sexagesimal',
-                type(self).construct_yaml_time)
+                             type(self).construct_yaml_time)
 
     def construct_yaml_map(self, node):
         data = collections.OrderedDict()
@@ -259,21 +260,23 @@
 
     def construct_mapping(self, node, deep=False):
         if not isinstance(node, yaml.MappingNode):
-            raise ConstructorError(None, None,
-                    "expected a mapping node, but found %s" % node.id,
-                    node.start_mark)
+            raise ConstructorError(
+                None, None,
+                "expected a mapping node, but found %s" % node.id,
+                node.start_mark)
         mapping = collections.OrderedDict()
         for key_node, value_node in node.value:
             key = self.construct_object(key_node, deep=deep)
             if not isinstance(key, collections.Hashable):
-                raise ConstructorError("while constructing a mapping", node.start_mark,
-                        "found unhashable key", key_node.start_mark)
+                raise ConstructorError(
+                    "while constructing a mapping", node.start_mark,
+                    "found unhashable key", key_node.start_mark)
             value = self.construct_object(value_node, deep=deep)
             mapping[key] = value
         return mapping
 
     time_regexp = re.compile(
-            r'''^(?P<hour>[0-9][0-9]?)
+        r'''^(?P<hour>[0-9][0-9]?)
                 :(?P<minute>[0-9][0-9])
                 (:(?P<second>[0-9][0-9])
                 (\.(?P<fraction>[0-9]+))?)?$''', re.X)
@@ -294,10 +297,10 @@
 
 
 ConfigurationLoader.add_implicit_resolver(
-        'tag:yaml.org,2002:sexagesimal',
-        re.compile(r'''^[0-9][0-9]?:[0-9][0-9]
+    'tag:yaml.org,2002:sexagesimal',
+    re.compile(r'''^[0-9][0-9]?:[0-9][0-9]
                     (:[0-9][0-9](\.[0-9]+)?)?$''', re.X),
-        list('0123456789'))
+    list('0123456789'))
 
 
 # We need to add our `sexagesimal` resolver before the `int` one, which
@@ -319,5 +322,5 @@
 
 
 ConfigurationDumper.add_representer(collections.OrderedDict,
-        ConfigurationDumper.represent_ordered_dict)
+                                    ConfigurationDumper.represent_ordered_dict)
 
--- a/piecrust/data/assetor.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/data/assetor.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,8 +1,7 @@
 import os
 import os.path
-import shutil
 import logging
-from piecrust import ASSET_DIR_SUFFIX
+from piecrust.sources.base import REL_ASSETS
 from piecrust.uriutil import multi_replace
 
 
@@ -13,105 +12,106 @@
     pass
 
 
-def build_base_url(app, uri, rel_assets_path):
-    base_url_format = app.env.base_asset_url_format
-    rel_assets_path = rel_assets_path.replace('\\', '/')
-
-    # Remove any extension since we'll be copying assets into the 1st
-    # sub-page's folder.
-    pretty = app.config.get('site/pretty_urls')
-    if not pretty:
-        uri, _ = os.path.splitext(uri)
-
-    base_url = multi_replace(
-            base_url_format,
-            {
-                '%path%': rel_assets_path,
-                '%uri%': uri})
-
-    return base_url.rstrip('/') + '/'
+class _AssetInfo:
+    def __init__(self, content_item, uri):
+        self.content_item = content_item
+        self.uri = uri
 
 
-class AssetorBase(object):
-    def __init__(self, page, uri):
-        self._page = page
-        self._uri = uri
-        self._cache = None
-
-    def __getattr__(self, name):
-        try:
-            self._cacheAssets()
-            return self._cache[name][0]
-        except KeyError:
-            raise AttributeError()
-
-    def __getitem__(self, key):
-        self._cacheAssets()
-        return self._cache[key][0]
-
-    def __iter__(self):
-        self._cacheAssets()
-        return map(lambda i: i[0], self._cache.values())
-
-    def allNames(self):
-        self._cacheAssets()
-        return list(self._cache.keys())
-
-    def _debugRenderAssetNames(self):
-        self._cacheAssets()
-        return list(self._cache.keys())
-
-    def _cacheAssets(self):
-        if self._cache is not None:
-            return
-
-        self._cache = dict(self.findAssets())
-
-    def findAssets(self):
-        raise NotImplementedError()
-
-    def copyAssets(self, dest_dir):
-        raise NotImplementedError()
-
-class Assetor(AssetorBase):
+class Assetor:
     debug_render_doc = """Helps render URLs to files in the current page's
                           asset folder."""
     debug_render = []
     debug_render_dynamic = ['_debugRenderAssetNames']
 
-    def findAssets(self):
-        assets = {}
-        name, ext = os.path.splitext(self._page.path)
-        assets_dir = name + ASSET_DIR_SUFFIX
-        if not os.path.isdir(assets_dir):
-            return assets
+    def __init__(self, page):
+        self._page = page
+        self._cache_map = None
+        self._cache_list = None
+
+    def __getattr__(self, name):
+        try:
+            self._cacheAssets()
+            return self._cache_map[name].uri
+        except KeyError:
+            raise AttributeError()
+
+    def __getitem__(self, name):
+        self._cacheAssets()
+        return self._cache_map[name].uri
+
+    def __contains__(self, name):
+        self._cacheAssets()
+        return name in self._cache_map
+
+    def __iter__(self):
+        self._cacheAssets()
+        return iter(self._cache_list)
+
+    def __len__(self):
+        self._cacheAssets()
+        return len(self._cache_map)
+
+    def _getAssetNames(self):
+        self._cacheAssets()
+        return self._cache_map.keys()
+
+    def _getAssetItems(self):
+        self._cacheAssets()
+        return map(lambda i: i.content_item, self._cache_map.values())
 
-        rel_assets_dir = os.path.relpath(assets_dir, self._page.app.root_dir)
-        base_url = build_base_url(self._page.app, self._uri, rel_assets_dir)
-        for fn in os.listdir(assets_dir):
-            full_fn = os.path.join(assets_dir, fn)
-            if not os.path.isfile(full_fn):
-                raise Exception("Skipping: %s" % full_fn)
-                continue
+    def _debugRenderAssetNames(self):
+        self._cacheAssets()
+        return list(self._cache_map.keys())
+
+    def _cacheAssets(self):
+        if self._cache_map is not None:
+            return
+
+        source = self._page.source
+        content_item = self._page.content_item
+        assets = source.getRelatedContents(content_item, REL_ASSETS)
+
+        self._cache_map = {}
+        self._cache_list = []
+
+        if assets is None:
+            return
 
-            name, ext = os.path.splitext(fn)
-            if name in assets:
+        app = source.app
+        root_dir = app.root_dir
+        asset_url_format = app.config.get('site/asset_url_format')
+
+        page_uri = self._page.getUri()
+        pretty_urls = app.config.get('site/pretty_urls')
+        if not pretty_urls:
+            page_uri, _ = os.path.splitext(page_uri)
+
+        uri_build_tokens = {
+            '%path%': None,
+            '%filename%': None,
+            '%page_uri%': page_uri
+        }
+
+        for a in assets:
+            name = a.metadata['name']
+            if name in self._cache_map:
                 raise UnsupportedAssetsError(
-                        "Multiple asset files are named '%s'." % name)
-            assets[name] = (base_url + fn, full_fn)
-
-        cpi = self._page.app.env.exec_info_stack.current_page_info
-        if cpi is not None:
-            cpi.render_ctx.current_pass_info.used_assets = True
-
-        return assets
+                    "An asset with name '%s' already exists for item '%s'. "
+                    "Do you have multiple assets with colliding names?" %
+                    (name, content_item.spec))
 
-    def copyAssets(self, dest_dir):
-        page_pathname, _ = os.path.splitext(self._page.path)
-        in_assets_dir = page_pathname + ASSET_DIR_SUFFIX
-        for fn in os.listdir(in_assets_dir):
-            full_fn = os.path.join(in_assets_dir, fn)
-            if os.path.isfile(full_fn):
-                dest_ap = os.path.join(dest_dir, fn)
-                logger.debug("  %s -> %s" % (full_fn, dest_ap))
-                shutil.copy(full_fn, dest_ap)
+            # TODO: this assumes a file-system source!
+            uri_build_tokens['%path%'] = \
+                os.path.relpath(a.spec, root_dir).replace('\\', '/')
+            uri_build_tokens['%filename%'] = a.metadata['filename']
+            uri = multi_replace(asset_url_format, uri_build_tokens)
+
+            self._cache_map[name] = _AssetInfo(a, uri)
+            self._cache_list.append(uri)
+
+        stack = app.env.render_ctx_stack
+        cur_ctx = stack.current_ctx
+        if cur_ctx is not None:
+            cur_ctx.current_pass_info.used_assets = True
+
--- a/piecrust/data/base.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/data/base.py	Fri Sep 29 17:05:09 2017 -0700
@@ -40,10 +40,10 @@
         for val in values:
             if not isinstance(val, (dict, collections.abc.Mapping)):
                 raise Exception(
-                        "Template data for '%s' contains an incompatible mix "
-                        "of data: %s" % (
-                            self._subp(name),
-                            ', '.join([str(type(v)) for v in values])))
+                    "Template data for '%s' contains an incompatible mix "
+                    "of data: %s" % (
+                        self._subp(name),
+                        ', '.join([str(type(v)) for v in values])))
 
         return MergedMapping(values, self._subp(name))
 
--- a/piecrust/data/builder.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/data/builder.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,53 +1,45 @@
 import logging
-from werkzeug.utils import cached_property
+from piecrust.data.assetor import Assetor
 from piecrust.data.base import MergedMapping
-from piecrust.data.linker import PageLinkerData
+from piecrust.data.linker import Linker
 from piecrust.data.pagedata import PageData
 from piecrust.data.paginator import Paginator
 from piecrust.data.piecrustdata import PieCrustData
 from piecrust.data.providersdata import DataProvidersData
-from piecrust.routing import CompositeRouteFunction
+from piecrust.routing import RouteFunction
 
 
 logger = logging.getLogger(__name__)
 
 
-class DataBuildingContext(object):
-    def __init__(self, qualified_page, page_num=1):
-        self.page = qualified_page
-        self.page_num = page_num
+class DataBuildingContext:
+    def __init__(self, page, sub_num):
+        self.page = page
+        self.sub_num = sub_num
         self.pagination_source = None
         self.pagination_filter = None
 
-    @property
-    def app(self):
-        return self.page.app
-
-    @cached_property
-    def uri(self):
-        return self.page.getUri(self.page_num)
-
 
 def build_page_data(ctx):
-    app = ctx.app
     page = ctx.page
+    sub_num = ctx.sub_num
+    app = page.app
+
     pgn_source = ctx.pagination_source or get_default_pagination_source(page)
-    first_uri = ctx.page.getUri(1)
 
     pc_data = PieCrustData()
     config_data = PageData(page, ctx)
-    paginator = Paginator(page, pgn_source,
-                          page_num=ctx.page_num,
+    paginator = Paginator(pgn_source, page, sub_num,
                           pgn_filter=ctx.pagination_filter)
-    assetor = page.source.buildAssetor(page, first_uri)
-    linker = PageLinkerData(page.source, page.rel_path)
+    assetor = Assetor(page)
+    linker = Linker(page.source, page.content_item)
     data = {
-            'piecrust': pc_data,
-            'page': config_data,
-            'assets': assetor,
-            'pagination': paginator,
-            'family': linker
-            }
+        'piecrust': pc_data,
+        'page': config_data,
+        'assets': assetor,
+        'pagination': paginator,
+        'family': linker
+    }
 
     for route in app.routes:
         name = route.func_name
@@ -56,17 +48,19 @@
 
         func = data.get(name)
         if func is None:
-            func = CompositeRouteFunction()
-            func.addFunc(route)
-            data[name] = func
-        elif isinstance(func, CompositeRouteFunction):
-            func.addFunc(route)
+            data[name] = RouteFunction(route)
+        elif isinstance(func, RouteFunction):
+            if not func._isCompatibleRoute(route):
+                raise Exception(
+                    "Route function '%s' can't target both route '%s' and "
+                    "route '%s' as the 2 patterns are incompatible." %
+                    (name, func._route.uri_pattern, route.uri_pattern))
         else:
             raise Exception("Route function '%s' collides with an "
                             "existing function or template data." %
                             name)
 
-    #TODO: handle slugified taxonomy terms.
+    # TODO: handle slugified taxonomy terms.
 
     site_data = app.config.getAll()
     providers_data = DataProvidersData(page)
@@ -81,7 +75,7 @@
     return data
 
 
-def build_layout_data(page, page_data, contents):
+def add_layout_data(page_data, contents):
     for name, txt in contents.items():
         if name in page_data:
             logger.warning("Content segment '%s' will hide existing data." %
--- a/piecrust/data/filters.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/data/filters.py	Fri Sep 29 17:05:09 2017 -0700
@@ -4,14 +4,9 @@
 logger = logging.getLogger(__name__)
 
 
-def page_value_accessor(page, name):
-    return page.config.get(name)
-
-
 class PaginationFilter(object):
-    def __init__(self, value_accessor=None):
+    def __init__(self):
         self.root_clause = None
-        self.value_accessor = value_accessor or self._default_value_accessor
 
     @property
     def is_empty(self):
@@ -81,13 +76,6 @@
             else:
                 raise Exception("Unknown filter clause: %s" % key)
 
-    @staticmethod
-    def _default_value_accessor(item, name):
-        try:
-            return getattr(item, name)
-        except AttributeError:
-            return None
-
 
 class IFilterClause(object):
     def addClause(self, clause):
@@ -151,7 +139,7 @@
 
 class HasFilterClause(SettingFilterClause):
     def pageMatches(self, fil, page):
-        actual_value = fil.value_accessor(page, self.name)
+        actual_value = page.config.get(self.name)
         if actual_value is None or not isinstance(actual_value, list):
             return False
 
@@ -163,7 +151,7 @@
 
 class IsFilterClause(SettingFilterClause):
     def pageMatches(self, fil, page):
-        actual_value = fil.value_accessor(page, self.name)
+        actual_value = page.config.get(self.name)
         if self.coercer:
             actual_value = self.coercer(actual_value)
         return actual_value == self.value
--- a/piecrust/data/iterators.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,353 +0,0 @@
-import logging
-from piecrust.data.filters import PaginationFilter, IsFilterClause, NotClause
-from piecrust.environment import AbortedSourceUseError
-from piecrust.events import Event
-from piecrust.sources.base import PageSource
-from piecrust.sources.interfaces import IPaginationSource
-
-
-logger = logging.getLogger(__name__)
-
-
-class SliceIterator(object):
-    def __init__(self, it, offset=0, limit=-1):
-        self.it = it
-        self.offset = offset
-        self.limit = limit
-        self.current_page = None
-        self.has_more = False
-        self.inner_count = -1
-        self.next_page = None
-        self.prev_page = None
-        self._cache = None
-
-    def __iter__(self):
-        if self._cache is None:
-            inner_list = list(self.it)
-            self.inner_count = len(inner_list)
-
-            if self.limit > 0:
-                self.has_more = self.inner_count > (self.offset + self.limit)
-                self._cache = inner_list[self.offset:self.offset + self.limit]
-            else:
-                self.has_more = False
-                self._cache = inner_list[self.offset:]
-
-            if self.current_page:
-                try:
-                    idx = inner_list.index(self.current_page)
-                except ValueError:
-                    idx = -1
-                if idx >= 0:
-                    if idx < self.inner_count - 1:
-                        self.next_page = inner_list[idx + 1]
-                    if idx > 0:
-                        self.prev_page = inner_list[idx - 1]
-
-        return iter(self._cache)
-
-
-class SettingFilterIterator(object):
-    def __init__(self, it, fil_conf, setting_accessor=None):
-        self.it = it
-        self.fil_conf = fil_conf
-        self._fil = None
-        self.setting_accessor = setting_accessor
-
-    def __iter__(self):
-        if self._fil is None:
-            self._fil = PaginationFilter(value_accessor=self.setting_accessor)
-            self._fil.addClausesFromConfig(self.fil_conf)
-
-        for i in self.it:
-            if self._fil.pageMatches(i):
-                yield i
-
-
-class NaturalSortIterator(object):
-    def __init__(self, it, reverse=False):
-        self.it = it
-        self.reverse = reverse
-
-    def __iter__(self):
-        return iter(sorted(self.it, reverse=self.reverse))
-
-
-class SettingSortIterator(object):
-    def __init__(self, it, name, reverse=False, value_accessor=None):
-        self.it = it
-        self.name = name
-        self.reverse = reverse
-        self.value_accessor = value_accessor or self._default_value_accessor
-
-    def __iter__(self):
-        return iter(sorted(self.it, key=self._key_getter,
-                           reverse=self.reverse))
-
-    def _key_getter(self, item):
-        key = self.value_accessor(item, self.name)
-        if key is None:
-            return 0
-        return key
-
-    @staticmethod
-    def _default_value_accessor(item, name):
-        try:
-            return getattr(item, name)
-        except AttributeError:
-            return None
-
-
-class PaginationFilterIterator(object):
-    def __init__(self, it, fil):
-        self.it = it
-        self._fil = fil
-
-    def __iter__(self):
-        for page in self.it:
-            if self._fil.pageMatches(page):
-                yield page
-
-
-class GenericSortIterator(object):
-    def __init__(self, it, sorter):
-        self.it = it
-        self.sorter = sorter
-        self._sorted_it = None
-
-    def __iter__(self):
-        if self._sorted_it is None:
-            self._sorted_it = self.sorter(self.it)
-        return iter(self._sorted_it)
-
-
-class PageIterator(object):
-    debug_render = []
-    debug_render_doc_dynamic = ['_debugRenderDoc']
-    debug_render_not_empty = True
-
-    def __init__(self, source, *,
-                 current_page=None,
-                 pagination_filter=None, sorter=None,
-                 offset=0, limit=-1, locked=False):
-        self._source = source
-        self._current_page = current_page
-        self._locked = False
-        self._pages = source
-        self._pagesData = None
-        self._pagination_slicer = None
-        self._has_sorter = False
-        self._next_page = None
-        self._prev_page = None
-        self._iter_event = Event()
-
-        if isinstance(source, IPaginationSource):
-            src_it = source.getSourceIterator()
-            if src_it is not None:
-                self._pages = src_it
-
-        # If we're currently baking, apply the default baker filter
-        # to exclude things like draft posts.
-        if (isinstance(source, PageSource) and
-                source.app.config.get('baker/is_baking')):
-            setting_name = source.app.config.get('baker/no_bake_setting',
-                                                 'draft')
-            accessor = self._getSettingAccessor()
-            draft_filter = PaginationFilter(accessor)
-            draft_filter.root_clause = NotClause()
-            draft_filter.root_clause.addClause(
-                    IsFilterClause(setting_name, True))
-            self._simpleNonSortedWrap(
-                    PaginationFilterIterator, draft_filter)
-
-        # Apply any filter first, before we start sorting or slicing.
-        if pagination_filter is not None:
-            self._simpleNonSortedWrap(PaginationFilterIterator,
-                                      pagination_filter)
-
-        if sorter is not None:
-            self._simpleNonSortedWrap(GenericSortIterator, sorter)
-            self._has_sorter = True
-
-        if offset > 0 or limit > 0:
-            self.slice(offset, limit)
-
-        self._locked = locked
-
-    @property
-    def total_count(self):
-        self._load()
-        if self._pagination_slicer is not None:
-            return self._pagination_slicer.inner_count
-        return len(self._pagesData)
-
-    @property
-    def next_page(self):
-        self._load()
-        return self._next_page
-
-    @property
-    def prev_page(self):
-        self._load()
-        return self._prev_page
-
-    def __len__(self):
-        self._load()
-        return len(self._pagesData)
-
-    def __getitem__(self, key):
-        self._load()
-        return self._pagesData[key]
-
-    def __iter__(self):
-        self._load()
-        self._iter_event.fire()
-        return iter(self._pagesData)
-
-    def __getattr__(self, name):
-        if name[:3] == 'is_' or name[:3] == 'in_':
-            def is_filter(value):
-                conf = {'is_%s' % name[3:]: value}
-                accessor = self._getSettingAccessor()
-                return self._simpleNonSortedWrap(SettingFilterIterator, conf,
-                                                 accessor)
-            return is_filter
-
-        if name[:4] == 'has_':
-            def has_filter(value):
-                conf = {name: value}
-                accessor = self._getSettingAccessor()
-                return self._simpleNonSortedWrap(SettingFilterIterator, conf,
-                                                 accessor)
-            return has_filter
-
-        if name[:5] == 'with_':
-            def has_filter(value):
-                conf = {'has_%s' % name[5:]: value}
-                accessor = self._getSettingAccessor()
-                return self._simpleNonSortedWrap(SettingFilterIterator, conf,
-                                                 accessor)
-            return has_filter
-
-        return self.__getattribute__(name)
-
-    def skip(self, count):
-        return self._simpleWrap(SliceIterator, count)
-
-    def limit(self, count):
-        return self._simpleWrap(SliceIterator, 0, count)
-
-    def slice(self, skip, limit):
-        return self._simpleWrap(SliceIterator, skip, limit)
-
-    def filter(self, filter_name):
-        if self._current_page is None:
-            raise Exception("Can't use `filter()` because no parent page was "
-                            "set for this page iterator.")
-        filter_conf = self._current_page.config.get(filter_name)
-        if filter_conf is None:
-            raise Exception("Couldn't find filter '%s' in the configuration "
-                            "header for page: %s" %
-                            (filter_name, self._current_page.path))
-        accessor = self._getSettingAccessor()
-        return self._simpleNonSortedWrap(SettingFilterIterator, filter_conf,
-                                         accessor)
-
-    def sort(self, setting_name=None, reverse=False):
-        self._ensureUnlocked()
-        self._unload()
-        if setting_name is not None:
-            accessor = self._getSettingAccessor()
-            self._pages = SettingSortIterator(self._pages, setting_name,
-                                              reverse, accessor)
-        else:
-            self._pages = NaturalSortIterator(self._pages, reverse)
-        self._has_sorter = True
-        return self
-
-    def reset(self):
-        self._ensureUnlocked()
-        self._unload
-        return self
-
-    @property
-    def _has_more(self):
-        self._load()
-        if self._pagination_slicer:
-            return self._pagination_slicer.has_more
-        return False
-
-    def _simpleWrap(self, it_class, *args, **kwargs):
-        self._ensureUnlocked()
-        self._unload()
-        self._ensureSorter()
-        self._pages = it_class(self._pages, *args, **kwargs)
-        if self._pagination_slicer is None and it_class is SliceIterator:
-            self._pagination_slicer = self._pages
-            self._pagination_slicer.current_page = self._current_page
-        return self
-
-    def _simpleNonSortedWrap(self, it_class, *args, **kwargs):
-        self._ensureUnlocked()
-        self._unload()
-        self._pages = it_class(self._pages, *args, **kwargs)
-        return self
-
-    def _getSettingAccessor(self):
-        accessor = None
-        if isinstance(self._source, IPaginationSource):
-            accessor = self._source.getSettingAccessor()
-        return accessor
-
-    def _ensureUnlocked(self):
-        if self._locked:
-            raise Exception(
-                    "This page iterator has been locked, probably because "
-                    "you're trying to tamper with pagination data.")
-
-    def _ensureSorter(self):
-        if self._has_sorter:
-            return
-        if isinstance(self._source, IPaginationSource):
-            sort_it = self._source.getSorterIterator(self._pages)
-            if sort_it is not None:
-                self._pages = sort_it
-        self._has_sorter = True
-
-    def _unload(self):
-        self._pagesData = None
-        self._next_page = None
-        self._prev_page = None
-
-    def _load(self):
-        if self._pagesData is not None:
-            return
-
-        if (self._current_page is not None and
-                self._current_page.app.env.abort_source_use and
-                isinstance(self._source, PageSource)):
-            logger.debug("Aborting iteration from %s." %
-                         self._current_page.ref_spec)
-            raise AbortedSourceUseError()
-
-        self._ensureSorter()
-
-        it_chain = self._pages
-        is_pgn_source = False
-        if isinstance(self._source, IPaginationSource):
-            is_pgn_source = True
-            tail_it = self._source.getTailIterator(self._pages)
-            if tail_it is not None:
-                it_chain = tail_it
-
-        self._pagesData = list(it_chain)
-
-        if is_pgn_source and self._current_page and self._pagination_slicer:
-            pn = [self._pagination_slicer.prev_page,
-                    self._pagination_slicer.next_page]
-            pn_it = self._source.getTailIterator(iter(pn))
-            self._prev_page, self._next_page = (list(pn_it))
-
-    def _debugRenderDoc(self):
-        return "Contains %d items" % len(self)
-
--- a/piecrust/data/linker.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/data/linker.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,365 +1,125 @@
 import logging
-import collections
-from piecrust.data.iterators import PageIterator
-from piecrust.data.pagedata import LazyPageConfigLoaderHasNoValue
 from piecrust.data.paginationdata import PaginationData
-from piecrust.sources.interfaces import IPaginationSource, IListableSource
+from piecrust.sources.base import (
+    REL_LOGICAL_PARENT_ITEM, REL_LOGICAl_CHILD_GROUP)
 
 
 logger = logging.getLogger(__name__)
 
 
-class PageLinkerData(object):
-    """ Entry template data to get access to related pages from a given
-        root page.
+_unloaded = object()
+
+
+class Linker:
+    """ A template-exposed data class that lets the user navigate the
+        logical hierarchy of pages in a page source.
     """
     debug_render = ['parent', 'ancestors', 'siblings', 'children', 'root',
                     'forpath']
     debug_render_invoke = ['parent', 'ancestors', 'siblings', 'children',
                            'root']
     debug_render_redirect = {
-            'ancestors': '_debugRenderAncestors',
-            'siblings': '_debugRenderSiblings',
-            'children': '_debugRenderChildren',
-            'root': '_debugRenderRoot'}
+        'ancestors': '_debugRenderAncestors',
+        'siblings': '_debugRenderSiblings',
+        'children': '_debugRenderChildren',
+        'root': '_debugRenderRoot'}
 
-    def __init__(self, source, page_path):
+    def __init__(self, source, content_item):
         self._source = source
-        self._root_page_path = page_path
-        self._linker = None
-        self._is_loaded = False
+        self._content_item = content_item
+
+        self._parent_group = _unloaded
+        self._ancestors = None
+        self._siblings = None
+        self._children = None
 
     @property
     def parent(self):
-        self._load()
-        if self._linker is not None:
-            return self._linker.parent
+        a = self.ancestors
+        if a:
+            return a[0]
         return None
 
     @property
     def ancestors(self):
-        cur = self.parent
-        while cur:
-            yield cur
-            cur = cur.parent
+        if self._ancestors is None:
+            self._ensureParentGroup()
+
+            src = self._source
+            app = src.app
+
+            cur_group = self._parent_group
+            self._ancestors = []
+            while cur_group:
+                pi = src.getRelatedContents(cur_group,
+                                            REL_LOGICAL_PARENT_ITEM)
+                if pi is not None:
+                    pipage = app.getPage(src, pi)
+                    self._ancestors.append(PaginationData(pipage))
+                    cur_group = src.getParentGroup(pi)
+                else:
+                    break
+        return self._ancestors
 
     @property
     def siblings(self):
-        self._load()
-        if self._linker is None:
-            return []
-        return self._linker
-
-    @property
-    def children(self):
-        self._load()
-        if self._linker is None:
-            return []
-        self._linker._load()
-        if self._linker._self_item is None:
-            return []
-        children = self._linker._self_item._linker_info.child_linker
-        if children is None:
-            return []
-        return children
+        if self._siblings is None:
+            self._ensureParentGroup()
 
-    @property
-    def root(self):
-        self._load()
-        if self._linker is None:
-            return None
-        return self._linker.root
-
-    def forpath(self, rel_path):
-        self._load()
-        if self._linker is None:
-            return None
-        return self._linker.forpath(rel_path)
-
-    def _load(self):
-        if self._is_loaded:
-            return
-
-        self._is_loaded = True
-
-        is_listable = isinstance(self._source, IListableSource)
-        if not is_listable:
-            return
+            src = self._source
+            app = src.app
 
-        dir_path = self._source.getDirpath(self._root_page_path)
-        self._linker = Linker(self._source, dir_path,
-                              root_page_path=self._root_page_path)
-
-    def _debugRenderAncestors(self):
-        return [i.name for i in self.ancestors]
-
-    def _debugRenderSiblings(self):
-        return [i.name for i in self.siblings]
-
-    def _debugRenderChildren(self):
-        return [i.name for i in self.children]
-
-    def _debugRenderRoot(self):
-        r = self.root
-        if r is not None:
-            return r.name
-        return None
-
-
-class LinkedPageData(PaginationData):
-    """ Class whose instances get returned when iterating on a `Linker`
-        or `RecursiveLinker`. It's just like what gets usually returned by
-        `Paginator` and other page iterators, but with a few additional data
-        like hierarchical data.
-    """
-    debug_render = (['is_dir', 'is_self', 'parent', 'children'] +
-                    PaginationData.debug_render)
-    debug_render_invoke = (['is_dir', 'is_self', 'parent', 'children'] +
-                           PaginationData.debug_render_invoke)
-
-    def __init__(self, page):
-        super(LinkedPageData, self).__init__(page)
-        self.name = page._linker_info.name
-        self.is_self = page._linker_info.is_self
-        self.is_dir = page._linker_info.is_dir
-        self.is_page = True
-        self._child_linker = page._linker_info.child_linker
-
-        self._mapLoader('*', self._linkerChildLoader)
-
-    @property
-    def parent(self):
-        if self._child_linker is not None:
-            return self._child_linker.parent
-        return None
+            self._siblings = []
+            for i in src.getContents(self._parent_group):
+                if not i.is_group:
+                    ipage = app.getPage(src, i)
+                    self._siblings.append(PaginationData(ipage))
+        return self._siblings
 
     @property
     def children(self):
-        if self._child_linker is not None:
-            return self._child_linker
-        return []
-
-    def _linkerChildLoader(self, data, name):
-        if self.children and hasattr(self.children, name):
-            return getattr(self.children, name)
-        raise LazyPageConfigLoaderHasNoValue
-
+        if self._children is None:
+            src = self._source
+            app = src.app
 
-class LinkedPageDataBuilderIterator(object):
-    """ Iterator that builds `LinkedPageData` out of pages.
-    """
-    def __init__(self, it):
-        self.it = it
-
-    def __iter__(self):
-        for item in self.it:
-            yield LinkedPageData(item)
-
+            self._children = []
+            child_group = src.getRelatedContents(self._content_item,
+                                                 REL_LOGICAl_CHILD_GROUP)
+            if child_group:
+                for i in src.getContents(child_group):
+                    ipage = app.getPage(src, i)
+                    self._children.append(PaginationData(ipage))
+        return self._children
 
-class LinkerSource(IPaginationSource):
-    """ Source iterator that returns pages given by `Linker`.
-    """
-    def __init__(self, pages, orig_source):
-        self._pages = list(pages)
-        self._orig_source = None
-        if isinstance(orig_source, IPaginationSource):
-            self._orig_source = orig_source
-
-    def getItemsPerPage(self):
-        raise NotImplementedError()
-
-    def getSourceIterator(self):
-        return self._pages
+    def forpath(self, path):
+        # TODO: generalize this for sources that aren't file-system based.
+        item = self._source.findContent({'slug': path})
+        return Linker(self._source, item)
 
-    def getSorterIterator(self, it):
-        # We don't want to sort the pages -- we expect the original source
-        # to return hierarchical items in the order it wants already.
-        return None
-
-    def getTailIterator(self, it):
-        return LinkedPageDataBuilderIterator(it)
-
-    def getPaginationFilter(self, page):
-        return None
-
-    def getSettingAccessor(self):
-        if self._orig_source:
-            return self._orig_source.getSettingAccessor()
+    def childrenof(self, path):
+        # TODO: generalize this for sources that aren't file-system based.
+        src = self._source
+        app = src.app
+        group = src.findGroup(path)
+        if group is not None:
+            for i in src.getContents(group):
+                if not i.is_group:
+                    ipage = app.getPage(src, i)
+                    yield PaginationData(ipage)
         return None
 
-
-class _LinkerInfo(object):
-    def __init__(self):
-        self.name = None
-        self.is_dir = False
-        self.is_self = False
-        self.child_linker = None
-
-
-class _LinkedPage(object):
-    def __init__(self, page):
-        self._page = page
-        self._linker_info = _LinkerInfo()
-
-    def __getattr__(self, name):
-        return getattr(self._page, name)
-
-
-class Linker(object):
-    debug_render_doc = """Provides access to sibling and children pages."""
-
-    def __init__(self, source, dir_path, *, root_page_path=None):
-        self._source = source
-        self._dir_path = dir_path
-        self._root_page_path = root_page_path
-        self._items = None
-        self._parent = None
-        self._self_item = None
-
-        self.is_dir = True
-        self.is_page = False
-        self.is_self = False
-
-    def __iter__(self):
-        return iter(self.pages)
-
-    def __getattr__(self, name):
-        self._load()
-        try:
-            item = self._items[name]
-        except KeyError:
-            raise AttributeError()
-
-        if isinstance(item, Linker):
-            return item
-
-        return LinkedPageData(item)
-
-    def __str__(self):
-        return self.name
-
-    @property
-    def name(self):
-        return self._source.getBasename(self._dir_path)
-
-    @property
-    def children(self):
-        return self._iterItems(0)
-
-    @property
-    def parent(self):
-        if self._dir_path == '':
-            return None
-
-        if self._parent is None:
-            parent_name = self._source.getBasename(self._dir_path)
-            parent_dir_path = self._source.getDirpath(self._dir_path)
-            for is_dir, name, data in self._source.listPath(parent_dir_path):
-                if not is_dir and name == parent_name:
-                    parent_page = data.buildPage()
-                    item = _LinkedPage(parent_page)
-                    item._linker_info.name = parent_name
-                    item._linker_info.child_linker = Linker(
-                            self._source, parent_dir_path,
-                            root_page_path=self._root_page_path)
-                    self._parent = LinkedPageData(item)
-                    break
-            else:
-                self._parent = Linker(self._source, parent_dir_path,
-                                      root_page_path=self._root_page_path)
-
-        return self._parent
-
-    @property
-    def pages(self):
-        return self._iterItems(0, filter_page_items)
+    def _ensureParentGroup(self):
+        if self._parent_group is _unloaded:
+            src = self._source
+            item = self._content_item
+            self._parent_group = src.getParentGroup(item)
 
-    @property
-    def directories(self):
-        return self._iterItems(0, filter_directory_items)
-
-    @property
-    def all(self):
-        return self._iterItems()
-
-    @property
-    def allpages(self):
-        return self._iterItems(-1, filter_page_items)
-
-    @property
-    def alldirectories(self):
-        return self._iterItems(-1, filter_directory_items)
-
-    @property
-    def root(self):
-        return self.forpath('/')
-
-    def forpath(self, rel_path):
-        return Linker(self._source, rel_path,
-                      root_page_path=self._root_page_path)
-
-    def _iterItems(self, max_depth=-1, filter_func=None):
-        items = walk_linkers(self, max_depth=max_depth,
-                             filter_func=filter_func)
-        src = LinkerSource(items, self._source)
-        return PageIterator(src)
-
-    def _load(self):
-        if self._items is not None:
-            return
-
-        is_listable = isinstance(self._source, IListableSource)
-        if not is_listable:
-            raise Exception("Source '%s' can't be listed." % self._source.name)
+    def _debugRenderAncestors(self):
+        return [i.title for i in self.ancestors]
 
-        items = list(self._source.listPath(self._dir_path))
-        self._items = collections.OrderedDict()
-        for is_dir, name, data in items:
-            # If `is_dir` is true, `data` will be the directory's source
-            # path. If not, it will be a page factory.
-            if is_dir:
-                item = Linker(self._source, data,
-                              root_page_path=self._root_page_path)
-            else:
-                page = data.buildPage()
-                is_self = (page.rel_path == self._root_page_path)
-                item = _LinkedPage(page)
-                item._linker_info.name = name
-                item._linker_info.is_self = is_self
-                if is_self:
-                    self._self_item = item
+    def _debugRenderSiblings(self):
+        return [i.title for i in self.siblings]
 
-            existing = self._items.get(name)
-            if existing is None:
-                self._items[name] = item
-            elif is_dir:
-                # The current item is a directory. The existing item
-                # should be a page.
-                existing._linker_info.child_linker = item
-                existing._linker_info.is_dir = True
-            else:
-                # The current item is a page. The existing item should
-                # be a directory.
-                item._linker_info.child_linker = existing
-                item._linker_info.is_dir = True
-                self._items[name] = item
-
+    def _debugRenderChildren(self):
+        return [i.title for i in self.children]
 
-def filter_page_items(item):
-    return not isinstance(item, Linker)
-
-
-def filter_directory_items(item):
-    return isinstance(item, Linker)
-
-
-def walk_linkers(linker, depth=0, max_depth=-1, filter_func=None):
-    linker._load()
-    for item in linker._items.values():
-        if not filter_func or filter_func(item):
-            yield item
-
-        if (isinstance(item, Linker) and
-                (max_depth < 0 or depth + 1 <= max_depth)):
-            yield from walk_linkers(item, depth + 1, max_depth)
-
--- a/piecrust/data/pagedata.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/data/pagedata.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,6 +1,7 @@
 import time
 import logging
 import collections.abc
+from piecrust.sources.base import AbortedSourceUseError
 
 
 logger = logging.getLogger(__name__)
@@ -69,14 +70,15 @@
         loader = self._loaders.get(name)
         if loader is not None:
             try:
-                self._values[name] = loader(self, name)
-            except LazyPageConfigLoaderHasNoValue:
+                with self._page.app.env.stats.timerScope('BuildLazyPageData'):
+                    self._values[name] = loader(self, name)
+            except (LazyPageConfigLoaderHasNoValue, AbortedSourceUseError):
                 raise
             except Exception as ex:
                 logger.exception(ex)
                 raise Exception(
-                        "Error while loading attribute '%s' for: %s" %
-                        (name, self._page.rel_path)) from ex
+                    "Error while loading attribute '%s' for: %s" %
+                    (name, self._page.content_spec)) from ex
 
             # Forget this loader now that it served its purpose.
             try:
@@ -89,18 +91,22 @@
         loader = self._loaders.get('*')
         if loader is not None:
             try:
-                self._values[name] = loader(self, name)
-            except LazyPageConfigLoaderHasNoValue:
+                with self._page.app.env.stats.timerScope('BuildLazyPageData'):
+                    self._values[name] = loader(self, name)
+            except (LazyPageConfigLoaderHasNoValue, AbortedSourceUseError):
                 raise
             except Exception as ex:
                 logger.exception(ex)
                 raise Exception(
-                        "Error while loading attribute '%s' for: %s" %
-                        (name, self._page.rel_path)) from ex
+                    "Error while loading attribute '%s' for: %s" %
+                    (name, self._page.content_spec)) from ex
             # We always keep the wildcard loader in the loaders list.
-            return self._values[name]
+            try:
+                return self._values[name]
+            except KeyError:
+                pass
 
-        raise LazyPageConfigLoaderHasNoValue("No such value: %s" % name)
+        raise LazyPageConfigLoaderHasNoValue()
 
     def _setValue(self, name, value):
         self._values[name] = value
@@ -116,12 +122,14 @@
 
         if not override_existing and attr_name in self._loaders:
             raise Exception(
-                    "A loader has already been mapped for: %s" % attr_name)
+                "A loader has already been mapped for: %s" % attr_name)
         self._loaders[attr_name] = loader
 
     def _mapValue(self, attr_name, value, override_existing=False):
-        loader = lambda _, __: value
-        self._mapLoader(attr_name, loader, override_existing=override_existing)
+        self._mapLoader(
+            attr_name,
+            lambda _, __: value,
+            override_existing=override_existing)
 
     def _ensureLoaded(self):
         if self._is_loaded:
@@ -129,12 +137,13 @@
 
         self._is_loaded = True
         try:
-            self._load()
+            with self._page.app.env.stats.timerScope('BuildLazyPageData'):
+                self._load()
         except Exception as ex:
             logger.exception(ex)
             raise Exception(
-                    "Error while loading data for: %s" %
-                    self._page.rel_path) from ex
+                "Error while loading data for: %s" %
+                self._page.content_spec) from ex
 
     def _load(self):
         pass
@@ -152,20 +161,28 @@
     """ Template data for a page.
     """
     def __init__(self, page, ctx):
-        super(PageData, self).__init__(page)
+        super().__init__(page)
         self._ctx = ctx
 
     def _load(self):
         page = self._page
+        set_val = self._setValue
+
         dt = page.datetime
         for k, v in page.source_metadata.items():
-            self._setValue(k, v)
-        self._setValue('url', self._ctx.uri)
-        self._setValue('timestamp', time.mktime(dt.timetuple()))
-        self._setValue('datetime', {
+            set_val(k, v)
+        set_val('url', page.getUri(self._ctx.sub_num))
+        set_val('timestamp', time.mktime(dt.timetuple()))
+        set_val('datetime', {
             'year': dt.year, 'month': dt.month, 'day': dt.day,
             'hour': dt.hour, 'minute': dt.minute, 'second': dt.second})
-        date_format = page.app.config.get('site/date_format')
-        if date_format:
-            self._setValue('date', page.datetime.strftime(date_format))
+
+        self._mapLoader('date', _load_date)
+
 
+def _load_date(data, name):
+    page = data._page
+    date_format = page.app.config.get('site/date_format')
+    if date_format:
+        return page.datetime.strftime(date_format)
+    return None
--- a/piecrust/data/paginationdata.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/data/paginationdata.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,10 +1,8 @@
 import copy
 import time
 import logging
-from piecrust.data.assetor import Assetor
 from piecrust.data.pagedata import LazyPageConfigData
-from piecrust.routing import create_route_metadata
-from piecrust.uriutil import split_uri
+from piecrust.sources.base import AbortedSourceUseError
 
 
 logger = logging.getLogger(__name__)
@@ -12,89 +10,90 @@
 
 class PaginationData(LazyPageConfigData):
     def __init__(self, page):
-        super(PaginationData, self).__init__(page)
-        self._route = None
-        self._route_metadata = None
-
-    def _get_uri(self):
-        page = self._page
-        if self._route is None:
-            # TODO: this is not quite correct, as we're missing parts of the
-            #       route metadata if the current page is a taxonomy page.
-            route_metadata = create_route_metadata(page)
-            self._route = page.app.getSourceRoute(page.source.name, route_metadata)
-            self._route_metadata = route_metadata
-            if self._route is None:
-                raise Exception("Can't get route for page: %s" % page.path)
-        return self._route.getUri(self._route_metadata)
+        super().__init__(page)
 
     def _load(self):
+        from piecrust.uriutil import split_uri
+
         page = self._page
         dt = page.datetime
-        page_url = self._get_uri()
+        set_val = self._setValue
+
+        page_url = page.getUri()
         _, rel_url = split_uri(page.app, page_url)
-        self._setValue('url', page_url)
-        self._setValue('rel_url', rel_url)
-        self._setValue('slug', rel_url)  # For backwards compatibility
-        self._setValue('route', copy.deepcopy(self._route_metadata))
-        self._setValue(
-                'timestamp',
-                time.mktime(page.datetime.timetuple()))
-        self._setValue('datetime', {
+        set_val('url', page_url)
+        set_val('rel_url', rel_url)
+        set_val('slug', rel_url)  # For backwards compatibility
+        set_val('route', copy.deepcopy(page.source_metadata['route_params']))
+        set_val('timestamp', time.mktime(page.datetime.timetuple()))
+        set_val('datetime', {
             'year': dt.year, 'month': dt.month, 'day': dt.day,
             'hour': dt.hour, 'minute': dt.minute, 'second': dt.second})
-        date_format = page.app.config.get('site/date_format')
-        if date_format:
-            self._setValue('date', page.datetime.strftime(date_format))
-        self._setValue('mtime', page.path_mtime)
+        set_val('mtime', page.content_mtime)
 
-        assetor = page.source.buildAssetor(page, page_url)
-        self._setValue('assets', assetor)
+        self._mapLoader('date', _load_date)
+        self._mapLoader('assets', _load_assets)
 
         segment_names = page.config.get('segments')
         for name in segment_names:
-            self._mapLoader(name, self._load_rendered_segment)
+            self._mapLoader(name, _load_rendered_segment)
+
+
+def _load_assets(data, name):
+    from piecrust.data.assetor import Assetor
+    return Assetor(data._page)
+
 
-    def _load_rendered_segment(self, data, name):
-        do_render = True
-        eis = self._page.app.env.exec_info_stack
-        if eis is not None and eis.hasPage(self._page):
-            # This is the pagination data for the page that is currently
-            # being rendered! Inception! But this is possible... so just
-            # prevent infinite recursion.
-            do_render = False
+def _load_date(data, name):
+    page = data._page
+    date_format = page.app.config.get('site/date_format')
+    if date_format:
+        return page.datetime.strftime(date_format)
+    return None
+
 
-        assert self is data
+def _load_rendered_segment(data, name):
+    page = data._page
+
+    do_render = True
+    stack = page.app.env.render_ctx_stack
+    if stack.hasPage(page):
+        # This is the pagination data for the page that is currently
+        # being rendered! Inception! But this is possible... so just
+        # prevent infinite recursion.
+        do_render = False
 
-        if do_render:
-            uri = self._get_uri()
-            try:
-                from piecrust.rendering import (
-                        QualifiedPage, PageRenderingContext,
-                        render_page_segments)
-                qp = QualifiedPage(self._page, self._route,
-                                   self._route_metadata)
-                ctx = PageRenderingContext(qp)
-                render_result = render_page_segments(ctx)
-                segs = render_result.segments
-            except Exception as ex:
-                logger.exception(ex)
-                raise Exception(
-                        "Error rendering segments for '%s'" % uri) from ex
-        else:
-            segs = {}
-            for name in self._page.config.get('segments'):
-                segs[name] = "<unavailable: current page>"
+    if do_render:
+        uri = page.getUri()
+        try:
+            from piecrust.rendering import (
+                RenderingContext, render_page_segments)
+            ctx = RenderingContext(page)
+            render_result = render_page_segments(ctx)
+            segs = render_result.segments
+        except AbortedSourceUseError:
+            raise
+        except Exception as ex:
+            logger.exception(ex)
+            raise Exception(
+                "Error rendering segments for '%s'" % uri) from ex
+    else:
+        segs = {}
+        for name in page.config.get('segments'):
+            segs[name] = "<unavailable: current page>"
 
-        for k, v in segs.items():
-            self._unmapLoader(k)
-            self._setValue(k, v)
+    unmap_loader = data._unmapLoader
+    set_val = data._setValue
+
+    for k, v in segs.items():
+        unmap_loader(k)
+        set_val(k, v)
 
-        if 'content.abstract' in segs:
-            self._setValue('content', segs['content.abstract'])
-            self._setValue('has_more', True)
-            if name == 'content':
-                return segs['content.abstract']
+    if 'content.abstract' in segs:
+        set_val('content', segs['content.abstract'])
+        set_val('has_more', True)
+        if name == 'content':
+            return segs['content.abstract']
 
-        return segs[name]
+    return segs[name]
 
--- a/piecrust/data/paginator.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/data/paginator.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,9 +1,6 @@
 import math
 import logging
 from werkzeug.utils import cached_property
-from piecrust.data.filters import PaginationFilter, page_value_accessor
-from piecrust.data.iterators import PageIterator
-from piecrust.sources.interfaces import IPaginationSource
 
 
 logger = logging.getLogger(__name__)
@@ -11,23 +8,23 @@
 
 class Paginator(object):
     debug_render = [
-            'has_more', 'items', 'has_items', 'items_per_page',
-            'items_this_page', 'prev_page_number', 'this_page_number',
-            'next_page_number', 'prev_page', 'next_page',
-            'total_item_count', 'total_page_count',
-            'next_item', 'prev_item']
+        'has_more', 'items', 'has_items', 'items_per_page',
+        'items_this_page', 'prev_page_number', 'this_page_number',
+        'next_page_number', 'prev_page', 'next_page',
+        'total_item_count', 'total_page_count',
+        'next_item', 'prev_item']
     debug_render_invoke = [
-            'has_more', 'items', 'has_items', 'items_per_page',
-            'items_this_page', 'prev_page_number', 'this_page_number',
-            'next_page_number', 'prev_page', 'next_page',
-            'total_item_count', 'total_page_count',
-            'next_item', 'prev_item']
+        'has_more', 'items', 'has_items', 'items_per_page',
+        'items_this_page', 'prev_page_number', 'this_page_number',
+        'next_page_number', 'prev_page', 'next_page',
+        'total_item_count', 'total_page_count',
+        'next_item', 'prev_item']
 
-    def __init__(self, qualified_page, source, *,
-                 page_num=1, pgn_filter=None, items_per_page=-1):
-        self._parent_page = qualified_page
+    def __init__(self, source, current_page, sub_num, *,
+                 pgn_filter=None, items_per_page=-1):
         self._source = source
-        self._page_num = page_num
+        self._page = current_page
+        self._sub_num = sub_num
         self._iterator = None
         self._pgn_filter = pgn_filter
         self._items_per_page = items_per_page
@@ -88,12 +85,17 @@
     def items_per_page(self):
         if self._items_per_page > 0:
             return self._items_per_page
-        if self._parent_page:
-            ipp = self._parent_page.config.get('items_per_page')
+
+        ipp = self._page.config.get('items_per_page')
+        if ipp is not None:
+            return ipp
+
+        from piecrust.sources.base import ContentSource
+        if isinstance(self._source, ContentSource):
+            ipp = self._source.config.get('items_per_page')
             if ipp is not None:
                 return ipp
-        if isinstance(self._source, IPaginationSource):
-            return self._source.getItemsPerPage()
+
         raise Exception("No way to figure out how many items to display "
                         "per page.")
 
@@ -104,19 +106,19 @@
 
     @property
     def prev_page_number(self):
-        if self._page_num > 1:
-            return self._page_num - 1
+        if self._sub_num > 1:
+            return self._sub_num - 1
         return None
 
     @property
     def this_page_number(self):
-        return self._page_num
+        return self._sub_num
 
     @property
     def next_page_number(self):
         self._load()
         if self._iterator._has_more:
-            return self._page_num + 1
+            return self._sub_num + 1
         return None
 
     @property
@@ -128,7 +130,7 @@
 
     @property
     def this_page(self):
-        return self._getPageUri(self._page_num)
+        return self._getPageUri(self._sub_num)
 
     @property
     def next_page(self):
@@ -166,8 +168,8 @@
         if radius <= 0 or total_page_count < (2 * radius + 1):
             return list(range(1, total_page_count + 1))
 
-        first_num = self._page_num - radius
-        last_num = self._page_num + radius
+        first_num = self._sub_num - radius
+        last_num = self._sub_num + radius
         if first_num <= 0:
             last_num += 1 - first_num
             first_num = 1
@@ -185,42 +187,37 @@
         if self._iterator is not None:
             return
 
-        if self._source is None:
-            raise Exception("Can't load pagination data: no source has "
-                            "been defined.")
+        from piecrust.data.filters import PaginationFilter
+        from piecrust.dataproviders.pageiterator import (
+            PageIterator, HardCodedFilterIterator)
+        from piecrust.sources.base import ContentSource
 
-        pag_filter = self._getPaginationFilter()
-        offset = (self._page_num - 1) * self.items_per_page
-        current_page = None
-        if self._parent_page:
-            current_page = self._parent_page.page
         self._iterator = PageIterator(
-                self._source,
-                current_page=current_page,
-                pagination_filter=pag_filter,
-                offset=offset, limit=self.items_per_page,
-                locked=True)
-        self._iterator._iter_event += self._onIteration
-
-    def _getPaginationFilter(self):
-        f = PaginationFilter(value_accessor=page_value_accessor)
+            self._source,
+            current_page=self._page)
 
         if self._pgn_filter is not None:
-            f.addClause(self._pgn_filter.root_clause)
+            pag_fil = PaginationFilter()
+            pag_fil.addClause(self._pgn_filter.root_clause)
+            self._iterator._simpleNonSortedWrap(
+                HardCodedFilterIterator, pag_fil)
 
-        if self._parent_page and isinstance(self._source, IPaginationSource):
-            sf = self._source.getPaginationFilter(self._parent_page)
-            if sf is not None:
-                f.addClause(sf.root_clause)
+        offset = (self._sub_num - 1) * self.items_per_page
+        limit = self.items_per_page
+        self._iterator.slice(offset, limit)
 
-        return f
+        self._iterator._lockIterator()
+
+        if isinstance(self._source, ContentSource):
+            self._onIteration(self._iterator)
 
     def _getPageUri(self, index):
-        return self._parent_page.getUri(index)
+        return self._page.getUri(index)
 
-    def _onIteration(self):
-        if self._parent_page is not None and not self._pgn_set_on_ctx:
-            eis = self._parent_page.app.env.exec_info_stack
-            eis.current_page_info.render_ctx.setPagination(self)
-            self._pgn_set_on_ctx = True
+    def _onIteration(self, it):
+        if not self._pgn_set_on_ctx:
+            rcs = self._source.app.env.render_ctx_stack
+            if rcs.current_ctx is not None:
+                rcs.current_ctx.setPagination(self)
+                self._pgn_set_on_ctx = True
 
--- a/piecrust/data/piecrustdata.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/data/piecrustdata.py	Fri Sep 29 17:05:09 2017 -0700
@@ -15,7 +15,7 @@
         self.version = APP_VERSION
         self.url = 'http://bolt80.com/piecrust/'
         self.branding = 'Baked with <em><a href="%s">PieCrust</a> %s</em>.' % (
-                'http://bolt80.com/piecrust/', APP_VERSION)
+            'http://bolt80.com/piecrust/', APP_VERSION)
         self._page = None
 
     @property
--- a/piecrust/data/provider.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,274 +0,0 @@
-import time
-import collections.abc
-from piecrust.configuration import ConfigurationError
-from piecrust.data.iterators import PageIterator
-from piecrust.generation.taxonomy import Taxonomy
-from piecrust.sources.array import ArraySource
-
-
-def get_data_provider_class(app, provider_type):
-    if not provider_type:
-        raise Exception("No data provider type specified.")
-    for prov in app.plugin_loader.getDataProviders():
-        if prov.PROVIDER_NAME == provider_type:
-            return prov
-    raise ConfigurationError(
-        "Unknown data provider type: %s" % provider_type)
-
-
-class DataProvider(object):
-    debug_render_dynamic = []
-    debug_render_invoke_dynamic = []
-
-    def __init__(self, source, page, override):
-        if source.app is not page.app:
-            raise Exception("The given source and page don't belong to "
-                            "the same application.")
-        self._source = source
-        self._page = page
-
-
-class IteratorDataProvider(DataProvider):
-    PROVIDER_NAME = 'iterator'
-
-    debug_render_doc_dynamic = ['_debugRenderDoc']
-    debug_render_not_empty = True
-
-    def __init__(self, source, page, override):
-        super(IteratorDataProvider, self).__init__(source, page, override)
-
-        self._innerIt = None
-        if isinstance(override, IteratorDataProvider):
-            # Iterator providers can be chained, like for instance with
-            # `site.pages` listing both the theme pages and the user site's
-            # pages.
-            self._innerIt = override
-
-        self._pages = PageIterator(source, current_page=page)
-        self._pages._iter_event += self._onIteration
-        self._ctx_set = False
-
-    def __len__(self):
-        return len(self._pages)
-
-    def __getitem__(self, key):
-        return self._pages[key]
-
-    def __iter__(self):
-        yield from iter(self._pages)
-        if self._innerIt:
-            yield from self._innerIt
-
-    def _onIteration(self):
-        if not self._ctx_set:
-            eis = self._page.app.env.exec_info_stack
-            eis.current_page_info.render_ctx.addUsedSource(self._source.name)
-            self._ctx_set = True
-
-    def _debugRenderDoc(self):
-        return 'Provides a list of %d items' % len(self)
-
-
-class BlogDataProvider(DataProvider, collections.abc.Mapping):
-    PROVIDER_NAME = 'blog'
-
-    debug_render_doc = """Provides a list of blog posts and yearly/monthly
-                          archives."""
-    debug_render_dynamic = (['_debugRenderTaxonomies'] +
-            DataProvider.debug_render_dynamic)
-
-    def __init__(self, source, page, override):
-        super(BlogDataProvider, self).__init__(source, page, override)
-        self._yearly = None
-        self._monthly = None
-        self._taxonomies = {}
-        self._ctx_set = False
-
-    @property
-    def posts(self):
-        return self._posts()
-
-    @property
-    def years(self):
-        return self._buildYearlyArchive()
-
-    @property
-    def months(self):
-        return self._buildMonthlyArchive()
-
-    def __getitem__(self, name):
-        if name == 'posts':
-            return self._posts()
-        elif name == 'years':
-            return self._buildYearlyArchive()
-        elif name == 'months':
-            return self._buildMonthlyArchive()
-
-        if self._source.app.config.get('site/taxonomies/' + name) is not None:
-            return self._buildTaxonomy(name)
-
-        raise KeyError("No such item: %s" % name)
-
-    def __iter__(self):
-        keys = ['posts', 'years', 'months']
-        keys += list(self._source.app.config.get('site/taxonomies').keys())
-        return iter(keys)
-
-    def __len__(self):
-        return 3 + len(self._source.app.config.get('site/taxonomies'))
-
-    def _debugRenderTaxonomies(self):
-        return list(self._source.app.config.get('site/taxonomies').keys())
-
-    def _posts(self):
-        it = PageIterator(self._source, current_page=self._page)
-        it._iter_event += self._onIteration
-        return it
-
-    def _buildYearlyArchive(self):
-        if self._yearly is not None:
-            return self._yearly
-
-        self._yearly = []
-        yearly_index = {}
-        for post in self._source.getPages():
-            year = post.datetime.strftime('%Y')
-
-            posts_this_year = yearly_index.get(year)
-            if posts_this_year is None:
-                timestamp = time.mktime(
-                        (post.datetime.year, 1, 1, 0, 0, 0, 0, 0, -1))
-                posts_this_year = BlogArchiveEntry(self._page, year, timestamp)
-                self._yearly.append(posts_this_year)
-                yearly_index[year] = posts_this_year
-
-            posts_this_year._data_source.append(post)
-        self._yearly = sorted(self._yearly,
-                key=lambda e: e.timestamp,
-                reverse=True)
-        self._onIteration()
-        return self._yearly
-
-    def _buildMonthlyArchive(self):
-        if self._monthly is not None:
-            return self._monthly
-
-        self._monthly = []
-        for post in self._source.getPages():
-            month = post.datetime.strftime('%B %Y')
-
-            posts_this_month = next(
-                    filter(lambda m: m.name == month, self._monthly),
-                    None)
-            if posts_this_month is None:
-                timestamp = time.mktime(
-                        (post.datetime.year, post.datetime.month, 1,
-                            0, 0, 0, 0, 0, -1))
-                posts_this_month = BlogArchiveEntry(self._page, month, timestamp)
-                self._monthly.append(posts_this_month)
-
-            posts_this_month._data_source.append(post)
-        self._monthly = sorted(self._monthly,
-                key=lambda e: e.timestamp,
-                reverse=True)
-        self._onIteration()
-        return self._monthly
-
-    def _buildTaxonomy(self, tax_name):
-        if tax_name in self._taxonomies:
-            return self._taxonomies[tax_name]
-
-        tax_cfg = self._page.app.config.get('site/taxonomies/' + tax_name)
-        tax = Taxonomy(tax_name, tax_cfg)
-
-        posts_by_tax_value = {}
-        for post in self._source.getPages():
-            tax_values = post.config.get(tax.setting_name)
-            if tax_values is None:
-                continue
-            if not isinstance(tax_values, list):
-                tax_values = [tax_values]
-            for val in tax_values:
-                posts = posts_by_tax_value.setdefault(val, [])
-                posts.append(post)
-
-        entries = []
-        for value, ds in posts_by_tax_value.items():
-            source = ArraySource(self._page.app, ds)
-            entries.append(BlogTaxonomyEntry(self._page, source, value))
-        self._taxonomies[tax_name] = sorted(entries, key=lambda k: k.name)
-
-        self._onIteration()
-        return self._taxonomies[tax_name]
-
-    def _onIteration(self):
-        if not self._ctx_set:
-            eis = self._page.app.env.exec_info_stack
-            if eis.current_page_info:
-                eis.current_page_info.render_ctx.addUsedSource(self._source)
-            self._ctx_set = True
-
-
-class BlogArchiveEntry(object):
-    debug_render = ['name', 'timestamp', 'posts']
-    debug_render_invoke = ['name', 'timestamp', 'posts']
-
-    def __init__(self, page, name, timestamp):
-        self.name = name
-        self.timestamp = timestamp
-        self._page = page
-        self._data_source = []
-        self._iterator = None
-
-    def __str__(self):
-        return self.name
-
-    def __int__(self):
-        return int(self.name)
-
-    @property
-    def posts(self):
-        self._load()
-        self._iterator.reset()
-        return self._iterator
-
-    def _load(self):
-        if self._iterator is not None:
-            return
-        source = ArraySource(self._page.app, self._data_source)
-        self._iterator = PageIterator(source, current_page=self._page)
-
-
-class BlogTaxonomyEntry(object):
-    debug_render = ['name', 'post_count', 'posts']
-    debug_render_invoke = ['name', 'post_count', 'posts']
-
-    def __init__(self, page, source, property_value):
-        self._page = page
-        self._source = source
-        self._property_value = property_value
-        self._iterator = None
-
-    def __str__(self):
-        return self._property_value
-
-    @property
-    def name(self):
-        return self._property_value
-
-    @property
-    def posts(self):
-        self._load()
-        self._iterator.reset()
-        return self._iterator
-
-    @property
-    def post_count(self):
-        return self._source.page_count
-
-    def _load(self):
-        if self._iterator is not None:
-            return
-
-        self._iterator = PageIterator(self._source, current_page=self._page)
-
--- a/piecrust/data/providersdata.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/data/providersdata.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,5 +1,8 @@
 import re
 import collections.abc
+from piecrust.configuration import ConfigurationError
+from piecrust.dataproviders.base import (
+    DataProvider, build_data_provider)
 
 
 re_endpoint_sep = re.compile(r'[\/\.]')
@@ -27,15 +30,31 @@
             return
 
         self._dict = {}
-        for source in self._page.app.sources + self._page.app.generators:
-            if source.data_endpoint:
-                endpoint_bits = re_endpoint_sep.split(source.data_endpoint)
-                endpoint = self._dict
-                for e in endpoint_bits[:-1]:
-                    if e not in endpoint:
-                        endpoint[e] = {}
-                    endpoint = endpoint[e]
-                override = endpoint.get(endpoint_bits[-1])
-                provider = source.buildDataProvider(self._page, override)
-                if provider is not None:
-                    endpoint[endpoint_bits[-1]] = provider
+        for source in self._page.app.sources:
+            pname = source.config.get('data_type')
+            pendpoint = source.config.get('data_endpoint')
+            if not pname or not pendpoint:
+                continue
+
+            endpoint_bits = re_endpoint_sep.split(pendpoint)
+            endpoint = self._dict
+            for e in endpoint_bits[:-1]:
+                if e not in endpoint:
+                    endpoint[e] = {}
+                endpoint = endpoint[e]
+            existing = endpoint.get(endpoint_bits[-1])
+
+            if existing is None:
+                provider = build_data_provider(pname, source, self._page)
+                endpoint[endpoint_bits[-1]] = provider
+            elif isinstance(existing, DataProvider):
+                if existing.PROVIDER_NAME != pname:
+                    raise ConfigurationError(
+                        "Can't combine data providers '%s' and '%' on "
+                        "endpoint '%s'." %
+                        (existing.PROVIDER_NAME, pname, pendpoint))
+                existing._addSource(source)
+            else:
+                raise ConfigurationError(
+                    "Endpoint '%s' can't be used for a data provider because "
+                    "it's already used for something else." % pendpoint)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/dataproviders/base.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,34 @@
+from piecrust.configuration import ConfigurationError
+
+
+class DataProvider:
+    """ The base class for a data provider.
+    """
+    PROVIDER_NAME = None
+
+    debug_render_dynamic = []
+    debug_render_invoke_dynamic = []
+
+    def __init__(self, source, page):
+        self._sources = [source]
+        self._page = page
+        self._app = source.app
+
+    def _addSource(self, source):
+        self._sources.append(source)
+
+
+def build_data_provider(provider_type, source, page):
+    if not provider_type:
+        raise Exception("No data provider type specified.")
+
+    for p in page.app.plugin_loader.getDataProviders():
+        if p.PROVIDER_NAME == provider_type:
+            pclass = p
+            break
+    else:
+        raise ConfigurationError("Unknown data provider type: %s" %
+                                 provider_type)
+
+    return pclass(source, page)
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/dataproviders/blog.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,227 @@
+import time
+import collections.abc
+from piecrust.dataproviders.base import DataProvider
+from piecrust.dataproviders.pageiterator import PageIterator
+from piecrust.sources.list import ListSource
+from piecrust.sources.taxonomy import Taxonomy
+
+
+class BlogDataProvider(DataProvider, collections.abc.Mapping):
+    PROVIDER_NAME = 'blog'
+
+    debug_render_doc = """Provides a list of blog posts and yearly/monthly
+                          archives."""
+    debug_render_dynamic = (['_debugRenderTaxonomies'] +
+                            DataProvider.debug_render_dynamic)
+
+    def __init__(self, source, page):
+        super().__init__(source, page)
+        self._posts = None
+        self._yearly = None
+        self._monthly = None
+        self._taxonomies = {}
+        self._archives_built = False
+        self._ctx_set = False
+
+    def _addSource(self, source):
+        raise Exception("The blog data provider doesn't support "
+                        "combining multiple sources.")
+
+    @property
+    def posts(self):
+        self._buildPosts()
+        return self._posts
+
+    @property
+    def years(self):
+        self._buildArchives()
+        return self._yearly
+
+    @property
+    def months(self):
+        self._buildArchives()
+        return self._montly
+
+    def __getitem__(self, name):
+        self._buildArchives()
+        return self._taxonomies[name]
+
+    def __getattr__(self, name):
+        self._buildArchives()
+        try:
+            return self._taxonomies[name]
+        except KeyError:
+            raise AttributeError("No such taxonomy: %s" % name)
+
+    def __iter__(self):
+        self._buildPosts()
+        self._buildArchives()
+        return ['posts', 'years', 'months'] + list(self._taxonomies.keys())
+
+    def __len__(self):
+        self._buildPosts()
+        self._buildArchives()
+        return 3 + len(self._taxonomies)
+
+    def _debugRenderTaxonomies(self):
+        return list(self._app.config.get('site/taxonomies').keys())
+
+    def _buildPosts(self):
+        if self._posts is None:
+            it = PageIterator(self._sources[0], current_page=self._page)
+            it._iter_event += self._onIteration
+            self._posts = it
+
+    def _buildArchives(self):
+        if self._archives_built:
+            return
+
+        yearly_index = {}
+        monthly_index = {}
+        tax_index = {}
+
+        taxonomies = []
+        tax_names = list(self._app.config.get('site/taxonomies').keys())
+        for tn in tax_names:
+            tax_cfg = self._app.config.get('site/taxonomies/' + tn)
+            taxonomies.append(Taxonomy(tn, tax_cfg))
+            tax_index[tn] = {}
+
+        page = self._page
+        source = self._sources[0]
+
+        for post in source.getAllPages():
+            post_dt = post.datetime
+
+            year = post_dt.year
+            month = (post_dt.month, post_dt.year)
+
+            posts_this_year = yearly_index.get(year)
+            if posts_this_year is None:
+                timestamp = time.mktime(
+                    (post_dt.year, 1, 1, 0, 0, 0, 0, 0, -1))
+                posts_this_year = BlogArchiveEntry(
+                    source, page, year, timestamp)
+                yearly_index[year] = posts_this_year
+            posts_this_year._items.append(post.content_item)
+
+            posts_this_month = monthly_index.get(month)
+            if posts_this_month is None:
+                timestamp = time.mktime(
+                    (post_dt.year, post_dt.month, 1,
+                     0, 0, 0, 0, 0, -1))
+                posts_this_month = BlogArchiveEntry(
+                    source, page, month, timestamp)
+                monthly_index[month] = posts_this_month
+            posts_this_month._items.append(post.content_item)
+
+            for tax in taxonomies:
+                post_term = post.config.get(tax.setting_name)
+                if post_term is None:
+                    continue
+
+                posts_this_tax = tax_index[tax.name]
+                if tax.is_multiple:
+                    for val in post_term:
+                        entry = posts_this_tax.get(val)
+                        if entry is None:
+                            entry = BlogTaxonomyEntry(source, page, val)
+                            posts_this_tax[val] = entry
+                        entry._items.append(post.content_item)
+                else:
+                    entry = posts_this_tax.get(val)
+                    if entry is None:
+                        entry = BlogTaxonomyEntry(source, page, post_term)
+                        posts_this_tax[val] = entry
+                    entry._items.append(post.content_item)
+
+        self._yearly = list(sorted(
+            yearly_index.values(),
+            key=lambda e: e.timestamp, reverse=True))
+        self._monthly = list(sorted(
+            monthly_index.values(),
+            key=lambda e: e.timestamp, reverse=True))
+
+        self._taxonomies = {}
+        for tax_name, entries in tax_index.items():
+            self._taxonomies[tax_name] = list(entries.values())
+
+        self._onIteration(None)
+
+        self._archives_built = True
+
+    def _onIteration(self, it):
+        if not self._ctx_set:
+            rcs = self._app.env.render_ctx_stack
+            if rcs.current_ctx:
+                rcs.current_ctx.addUsedSource(self._sources[0])
+            self._ctx_set = True
+
+
+class BlogArchiveEntry:
+    debug_render = ['name', 'timestamp', 'posts']
+    debug_render_invoke = ['name', 'timestamp', 'posts']
+
+    def __init__(self, source, page, name, timestamp):
+        self.name = name
+        self.timestamp = timestamp
+        self._source = source
+        self._page = page
+        self._items = []
+        self._iterator = None
+
+    def __str__(self):
+        return self.name
+
+    def __int__(self):
+        return int(self.name)
+
+    @property
+    def posts(self):
+        self._load()
+        self._iterator.reset()
+        return self._iterator
+
+    def _load(self):
+        if self._iterator is not None:
+            return
+
+        src = ListSource(self._source, self._items)
+        self._iterator = PageIterator(src, current_page=self._page)
+
+
+class BlogTaxonomyEntry:
+    debug_render = ['name', 'post_count', 'posts']
+    debug_render_invoke = ['name', 'post_count', 'posts']
+
+    def __init__(self, source, page, term):
+        self.term = term
+        self._source = source
+        self._page = page
+        self._items = []
+        self._iterator = None
+
+    def __str__(self):
+        return self.term
+
+    @property
+    def name(self):
+        return self.term
+
+    @property
+    def posts(self):
+        self._load()
+        self._iterator.reset()
+        return self._iterator
+
+    @property
+    def post_count(self):
+        return len(self._items)
+
+    def _load(self):
+        if self._iterator is not None:
+            return
+
+        src = ListSource(self._source, self._items)
+        self._iterator = PageIterator(src, current_page=self._page)
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/dataproviders/pageiterator.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,386 @@
+import logging
+from piecrust.data.filters import PaginationFilter
+from piecrust.data.paginationdata import PaginationData
+from piecrust.events import Event
+from piecrust.dataproviders.base import DataProvider
+from piecrust.sources.base import ContentSource
+
+
+logger = logging.getLogger(__name__)
+
+
+class _ItInfo:
+    def __init__(self):
+        self.it = None
+        self.iterated = False
+        self.source_name = None
+
+
+class PageIteratorDataProvider(DataProvider):
+    """ A data provider that reads a content source as a list of pages.
+
+        This class supports wrapping another `PageIteratorDataProvider`
+        instance because several sources may want to be merged under the
+        same data endpoint (e.g. `site.pages` which lists both the user
+        pages and the theme pages).
+    """
+    PROVIDER_NAME = 'page_iterator'
+
+    debug_render_doc_dynamic = ['_debugRenderDoc']
+    debug_render_not_empty = True
+
+    def __init__(self, source, page):
+        super().__init__(source, page)
+        self._its = None
+        self._app = source.app
+
+    def __len__(self):
+        self._load()
+        return sum([len(i.it) for i in self._its])
+
+    def __iter__(self):
+        self._load()
+        for i in self._its:
+            yield from i.it
+
+    def _load(self):
+        if self._its is not None:
+            return
+
+        self._its = []
+        for source in self._sources:
+            i = _ItInfo()
+            i.it = PageIterator(source, current_page=self._page)
+            i.it._iter_event += self._onIteration
+            i.source_name = source.name
+            self._its.append(i)
+
+    def _onIteration(self, it):
+        ii = next(filter(lambda i: i.it == it, self._its))
+        if not ii.iterated:
+            rcs = self._app.env.render_ctx_stack
+            rcs.current_ctx.addUsedSource(ii.source_name)
+            ii.iterated = True
+
+    def _debugRenderDoc(self):
+        return 'Provides a list of %d items' % len(self)
+
+
+class PageIterator:
+    def __init__(self, source, *, current_page=None):
+        self._source = source
+        self._is_content_source = isinstance(source, ContentSource)
+        self._cache = None
+        self._pagination_slicer = None
+        self._has_sorter = False
+        self._next_page = None
+        self._prev_page = None
+        self._locked = False
+        self._iter_event = Event()
+        self._current_page = current_page
+        self._initIterator()
+
+    @property
+    def total_count(self):
+        self._load()
+        if self._pagination_slicer is not None:
+            return self._pagination_slicer.inner_count
+        return len(self._cache)
+
+    @property
+    def next_page(self):
+        self._load()
+        return self._next_page
+
+    @property
+    def prev_page(self):
+        self._load()
+        return self._prev_page
+
+    def __len__(self):
+        self._load()
+        return len(self._cache)
+
+    def __getitem__(self, key):
+        self._load()
+        return self._cache[key]
+
+    def __iter__(self):
+        self._load()
+        return iter(self._cache)
+
+    def __getattr__(self, name):
+        if name[:3] == 'is_' or name[:3] == 'in_':
+            def is_filter(value):
+                conf = {'is_%s' % name[3:]: value}
+                return self._simpleNonSortedWrap(SettingFilterIterator, conf)
+            return is_filter
+
+        if name[:4] == 'has_':
+            def has_filter(value):
+                conf = {name: value}
+                return self._simpleNonSortedWrap(SettingFilterIterator, conf)
+            return has_filter
+
+        if name[:5] == 'with_':
+            def has_filter(value):
+                conf = {'has_%s' % name[5:]: value}
+                return self._simpleNonSortedWrap(SettingFilterIterator, conf)
+            return has_filter
+
+        return self.__getattribute__(name)
+
+    def skip(self, count):
+        return self._simpleWrap(SliceIterator, count)
+
+    def limit(self, count):
+        return self._simpleWrap(SliceIterator, 0, count)
+
+    def slice(self, skip, limit):
+        return self._simpleWrap(SliceIterator, skip, limit)
+
+    def filter(self, filter_name):
+        if self._current_page is None:
+            raise Exception("Can't use `filter()` because no parent page was "
+                            "set for this page iterator.")
+        filter_conf = self._current_page.config.get(filter_name)
+        if filter_conf is None:
+            raise Exception("Couldn't find filter '%s' in the configuration "
+                            "header for page: %s" %
+                            (filter_name, self._current_page.path))
+        return self._simpleNonSortedWrap(SettingFilterIterator, filter_conf)
+
+    def sort(self, setting_name, reverse=False):
+        if not setting_name:
+            raise Exception("You need to specify a configuration setting "
+                            "to sort by.")
+        self._ensureUnlocked()
+        self._ensureUnloaded()
+        self._pages = SettingSortIterator(self._pages, setting_name, reverse)
+        self._has_sorter = True
+        return self
+
+    def reset(self):
+        self._ensureUnlocked()
+        self._unload()
+        return self
+
+    @property
+    def _is_loaded(self):
+        return self._cache is not None
+
+    @property
+    def _has_more(self):
+        if self._cache is None:
+            return False
+        if self._pagination_slicer:
+            return self._pagination_slicer.has_more
+        return False
+
+    def _simpleWrap(self, it_class, *args, **kwargs):
+        self._ensureUnlocked()
+        self._ensureUnloaded()
+        self._ensureSorter()
+        self._it = it_class(self._it, *args, **kwargs)
+        if self._pagination_slicer is None and it_class is SliceIterator:
+            self._pagination_slicer = self._it
+            self._pagination_slicer.current_page = self._current_page
+        return self
+
+    def _simpleNonSortedWrap(self, it_class, *args, **kwargs):
+        self._ensureUnlocked()
+        self._ensureUnloaded()
+        self._it = it_class(self._it, *args, **kwargs)
+        return self
+
+    def _wrapAsSort(self, sort_it_class, *args, **kwargs):
+        self._ensureUnlocked()
+        self._ensureUnloaded()
+        self._it = sort_it_class(self._it, *args, **kwargs)
+        self._has_sorter = True
+        return self
+
+    def _lockIterator(self):
+        self._ensureUnlocked()
+        self._locked = True
+
+    def _ensureUnlocked(self):
+        if self._locked:
+            raise Exception(
+                "This page iterator has been locked and can't be modified.")
+
+    def _ensureUnloaded(self):
+        if self._cache:
+            raise Exception(
+                "This page iterator has already been iterated upon and "
+                "can't be modified anymore.")
+
+    def _ensureSorter(self):
+        if self._has_sorter:
+            return
+        if self._is_content_source:
+            self._it = DateSortIterator(self._it, reverse=True)
+        self._has_sorter = True
+
+    def _initIterator(self):
+        if self._is_content_source:
+            self._it = PageContentSourceIterator(self._source)
+        else:
+            self._it = GenericSourceIterator(self._source)
+
+    def _unload(self):
+        self._initIterator()
+        self._cache = None
+        self._paginationSlicer = None
+        self._has_sorter = False
+        self._next_page = None
+        self._prev_page = None
+
+    def _load(self):
+        if self._cache is not None:
+            return
+
+        self._ensureSorter()
+
+        if self._is_content_source:
+            self._it = PaginationDataBuilderIterator(self._it)
+
+        self._cache = list(self._it)
+
+        if (self._current_page is not None and
+                self._pagination_slicer is not None):
+            pn = [self._pagination_slicer.prev_page,
+                  self._pagination_slicer.next_page]
+            pn_it = PaginationDataBuilderIterator(iter(pn))
+            self._prev_page, self._next_page = (list(pn_it))
+
+        self._iter_event.fire(self)
+
+    def _debugRenderDoc(self):
+        return "Contains %d items" % len(self)
+
+
+class SettingFilterIterator:
+    def __init__(self, it, fil_conf):
+        self.it = it
+        self.fil_conf = fil_conf
+        self._fil = None
+
+    def __iter__(self):
+        if self._fil is None:
+            self._fil = PaginationFilter()
+            self._fil.addClausesFromConfig(self.fil_conf)
+
+        for i in self.it:
+            if self._fil.pageMatches(i):
+                yield i
+
+
+class HardCodedFilterIterator:
+    def __init__(self, it, fil):
+        self.it = it
+        self._fil = fil
+
+    def __iter__(self):
+        for i in self.it:
+            if self._fil.pageMatches(i):
+                yield i
+
+
+class SliceIterator:
+    def __init__(self, it, offset=0, limit=-1):
+        self.it = it
+        self.offset = offset
+        self.limit = limit
+        self.current_page = None
+        self.has_more = False
+        self.inner_count = -1
+        self.next_page = None
+        self.prev_page = None
+        self._cache = None
+
+    def __iter__(self):
+        if self._cache is None:
+            inner_list = list(self.it)
+            self.inner_count = len(inner_list)
+
+            if self.limit > 0:
+                self.has_more = self.inner_count > (self.offset + self.limit)
+                self._cache = inner_list[self.offset:self.offset + self.limit]
+            else:
+                self.has_more = False
+                self._cache = inner_list[self.offset:]
+
+            if self.current_page:
+                try:
+                    idx = inner_list.index(self.current_page)
+                except ValueError:
+                    idx = -1
+                if idx >= 0:
+                    if idx < self.inner_count - 1:
+                        self.next_page = inner_list[idx + 1]
+                    if idx > 0:
+                        self.prev_page = inner_list[idx - 1]
+
+        return iter(self._cache)
+
+
+class SettingSortIterator:
+    def __init__(self, it, name, reverse=False):
+        self.it = it
+        self.name = name
+        self.reverse = reverse
+
+    def __iter__(self):
+        return iter(sorted(self.it, key=self._key_getter,
+                           reverse=self.reverse))
+
+    def _key_getter(self, item):
+        key = item.config.get(item)
+        if key is None:
+            return 0
+        return key
+
+
+class DateSortIterator:
+    def __init__(self, it, reverse=True):
+        self.it = it
+        self.reverse = reverse
+
+    def __iter__(self):
+        return iter(sorted(self.it,
+                           key=lambda x: x.datetime, reverse=self.reverse))
+
+
+class PageContentSourceIterator:
+    def __init__(self, source):
+        self.source = source
+
+        # This is to permit recursive traversal of the
+        # iterator chain. It acts as the end.
+        self.it = None
+
+    def __iter__(self):
+        source = self.source
+        yield from source.getAllPages()
+
+
+class PaginationDataBuilderIterator:
+    def __init__(self, it):
+        self.it = it
+
+    def __iter__(self):
+        for page in self.it:
+            if page is not None:
+                yield PaginationData(page)
+            else:
+                yield None
+
+
+class GenericSourceIterator:
+    def __init__(self, source):
+        self.source = source
+        self.it = None
+
+    def __iter__(self):
+        yield from self.source
--- a/piecrust/environment.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/environment.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,68 +1,23 @@
 import time
 import logging
 import contextlib
-from piecrust.cache import MemCache
 
 
 logger = logging.getLogger(__name__)
 
 
-class AbortedSourceUseError(Exception):
-    pass
-
-
-class ExecutionInfo(object):
-    def __init__(self, page, render_ctx):
-        self.page = page
-        self.render_ctx = render_ctx
-        self.was_cache_valid = False
-        self.start_time = time.perf_counter()
-
-
-class ExecutionInfoStack(object):
-    def __init__(self):
-        self._page_stack = []
-
-    @property
-    def current_page_info(self):
-        if len(self._page_stack) == 0:
-            return None
-        return self._page_stack[-1]
-
-    @property
-    def is_main_page(self):
-        return len(self._page_stack) == 1
-
-    def hasPage(self, page):
-        for ei in self._page_stack:
-            if ei.page == page:
-                return True
-        return False
-
-    def pushPage(self, page, render_ctx):
-        if len(self._page_stack) > 0:
-            top = self._page_stack[-1]
-            assert top.page is not page
-        self._page_stack.append(ExecutionInfo(page, render_ctx))
-
-    def popPage(self):
-        del self._page_stack[-1]
-
-    def clear(self):
-        self._page_stack = []
-
-
-class ExecutionStats(object):
+class ExecutionStats:
     def __init__(self):
         self.timers = {}
         self.counters = {}
         self.manifests = {}
 
-    def registerTimer(self, category, *, raise_if_registered=True):
+    def registerTimer(self, category, *,
+                      raise_if_registered=True, time=0):
         if raise_if_registered and category in self.timers:
             raise Exception("Timer '%s' has already been registered." %
                             category)
-        self.timers[category] = 0
+        self.timers[category] = time
 
     @contextlib.contextmanager
     def timerScope(self, category):
@@ -106,83 +61,41 @@
             self.manifests[oc] = v + ov
 
 
-class Environment(object):
+class Environment:
     def __init__(self):
+        from piecrust.cache import MemCache
+        from piecrust.rendering import RenderingContextStack
+
         self.app = None
         self.start_time = None
-        self.exec_info_stack = ExecutionInfoStack()
         self.was_cache_cleaned = False
-        self.base_asset_url_format = '%uri%'
         self.page_repository = MemCache()
         self.rendered_segments_repository = MemCache()
-        self.fs_caches = {
-                'renders': self.rendered_segments_repository}
+        self.render_ctx_stack = RenderingContextStack()
         self.fs_cache_only_for_main_page = False
         self.abort_source_use = False
-        self._default_layout_extensions = None
         self._stats = ExecutionStats()
 
     @property
-    def default_layout_extensions(self):
-        if self._default_layout_extensions is not None:
-            return self._default_layout_extensions
-
-        if self.app is None:
-            raise Exception("This environment has not been initialized yet.")
-
-        from piecrust.rendering import get_template_engine
-        dte = get_template_engine(self.app, None)
-        self._default_layout_extensions = ['.' + e.lstrip('.')
-                                           for e in dte.EXTENSIONS]
-        return self._default_layout_extensions
+    def stats(self):
+        return self._stats
 
     def initialize(self, app):
         self.app = app
         self.start_time = time.perf_counter()
-        self.exec_info_stack.clear()
-        self.was_cache_cleaned = False
-        self.base_asset_url_format = '%uri%'
 
-        for name, repo in self.fs_caches.items():
-            cache = app.cache.getCache(name)
-            repo.fs_cache = cache
-
-    def registerTimer(self, category, *, raise_if_registered=True):
-        self._stats.registerTimer(
-                category, raise_if_registered=raise_if_registered)
-
-    def timerScope(self, category):
-        return self._stats.timerScope(category)
-
-    def stepTimer(self, category, value):
-        self._stats.stepTimer(category, value)
+        self.rendered_segments_repository.fs_cache = \
+            app.cache.getCache('renders')
 
-    def stepTimerSince(self, category, since):
-        self._stats.stepTimerSince(category, since)
-
-    def registerCounter(self, category, *, raise_if_registered=True):
-        self._stats.registerCounter(
-                category, raise_if_registered=raise_if_registered)
-
-    def stepCounter(self, category, inc=1):
-        self._stats.stepCounter(category, inc)
-
-    def registerManifest(self, name, *, raise_if_registered=True):
-        self._stats.registerManifest(
-                name, raise_if_registered=raise_if_registered)
-
-    def addManifestEntry(self, name, entry):
-        self._stats.addManifestEntry(name, entry)
-
-    def getStats(self):
+    def _mergeCacheStats(self):
         repos = [
-                ('RenderedSegmentsRepo', self.rendered_segments_repository),
-                ('PagesRepo', self.page_repository)]
+            ('RenderedSegmentsRepo', self.rendered_segments_repository),
+            ('PagesRepo', self.page_repository)]
         for name, repo in repos:
             self._stats.counters['%s_hit' % name] = repo._hits
             self._stats.counters['%s_miss' % name] = repo._misses
-            self._stats.manifests['%s_missedKeys' % name] = list(repo._missed_keys)
-        return self._stats
+            self._stats.manifests['%s_missedKeys' % name] = \
+                list(repo._missed_keys)
 
 
 class StandardEnvironment(Environment):
--- a/piecrust/events.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/events.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,5 +1,7 @@
 
 class Event(object):
+    """ A simple implementation of a subscribable event.
+    """
     def __init__(self):
         self._handlers = []
 
--- a/piecrust/fastpickle.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/fastpickle.py	Fri Sep 29 17:05:09 2017 -0700
@@ -102,7 +102,7 @@
                 'day': obj.day}
     elif op == _UNPICKLING:
         return datetime.date(
-                obj['year'], obj['month'], obj['day'])
+            obj['year'], obj['month'], obj['day'])
 
 
 def _datetime_convert(obj, func, op):
@@ -117,8 +117,8 @@
                 'microsecond': obj.microsecond}
     elif op == _UNPICKLING:
         return datetime.datetime(
-                obj['year'], obj['month'], obj['day'],
-                obj['hour'], obj['minute'], obj['second'], obj['microsecond'])
+            obj['year'], obj['month'], obj['day'],
+            obj['hour'], obj['minute'], obj['second'], obj['microsecond'])
 
 
 def _time_convert(obj, func, op):
@@ -130,47 +130,47 @@
                 'microsecond': obj.microsecond}
     elif op == _UNPICKLING:
         return datetime.time(
-                obj['hour'], obj['minute'], obj['second'], obj['microsecond'])
+            obj['hour'], obj['minute'], obj['second'], obj['microsecond'])
 
 
 _type_convert = {
-        type(None): _identity_dispatch,
-        bool: _identity_dispatch,
-        int: _identity_dispatch,
-        float: _identity_dispatch,
-        str: _identity_dispatch,
-        datetime.date: _date_convert,
-        datetime.datetime: _datetime_convert,
-        datetime.time: _time_convert,
-        tuple: _tuple_convert,
-        list: _list_convert,
-        dict: _dict_convert,
-        set: _set_convert,
-        collections.OrderedDict: _ordered_dict_convert,
-        }
+    type(None): _identity_dispatch,
+    bool: _identity_dispatch,
+    int: _identity_dispatch,
+    float: _identity_dispatch,
+    str: _identity_dispatch,
+    datetime.date: _date_convert,
+    datetime.datetime: _datetime_convert,
+    datetime.time: _time_convert,
+    tuple: _tuple_convert,
+    list: _list_convert,
+    dict: _dict_convert,
+    set: _set_convert,
+    collections.OrderedDict: _ordered_dict_convert,
+}
 
 
 _type_unconvert = {
-        type(None): _identity_dispatch,
-        bool: _identity_dispatch,
-        int: _identity_dispatch,
-        float: _identity_dispatch,
-        str: _identity_dispatch,
-        'date': _date_convert,
-        'datetime': _datetime_convert,
-        'time': _time_convert,
-        }
+    type(None): _identity_dispatch,
+    bool: _identity_dispatch,
+    int: _identity_dispatch,
+    float: _identity_dispatch,
+    str: _identity_dispatch,
+    'date': _date_convert,
+    'datetime': _datetime_convert,
+    'time': _time_convert,
+}
 
 
 _collection_unconvert = {
-        '__type__:tuple': _tuple_convert,
-        '__type__:set': _set_convert,
-        }
+    '__type__:tuple': _tuple_convert,
+    '__type__:set': _set_convert,
+}
 
 
 _mapping_unconvert = {
-        'OrderedDict': _ordered_dict_convert
-        }
+    'OrderedDict': _ordered_dict_convert
+}
 
 
 def _pickle_object(obj):
--- a/piecrust/generation/base.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,163 +0,0 @@
-import logging
-from werkzeug.utils import cached_property
-from piecrust.baking.records import BakeRecordEntry
-from piecrust.baking.worker import save_factory, JOB_BAKE
-from piecrust.configuration import ConfigurationError
-from piecrust.routing import create_route_metadata
-from piecrust.sources.pageref import PageRef
-
-
-logger = logging.getLogger(__name__)
-
-
-class InvalidRecordExtraKey(Exception):
-    pass
-
-
-class PageGeneratorBakeContext(object):
-    def __init__(self, app, record, pool, generator):
-        self._app = app
-        self._record = record
-        self._pool = pool
-        self._generator = generator
-        self._job_queue = []
-        self._is_running = False
-
-    def getRecordExtraKey(self, seed):
-        return '%s:%s' % (self._generator.name, seed)
-
-    def matchesRecordExtraKey(self, extra_key):
-        return (extra_key is not None and
-                extra_key.startswith(self._generator.name + ':'))
-
-    def getSeedFromRecordExtraKey(self, extra_key):
-        if not self.matchesRecordExtraKey(extra_key):
-            raise InvalidRecordExtraKey("Invalid extra key: %s" % extra_key)
-        return extra_key[len(self._generator.name) + 1:]
-
-    def getAllPageRecords(self):
-        return self._record.transitions.values()
-
-    def getBakedPageRecords(self):
-        for prev, cur in self.getAllPageRecords():
-            if cur and cur.was_any_sub_baked:
-                yield (prev, cur)
-
-    def collapseRecord(self, entry):
-        self._record.collapseEntry(entry)
-
-    def queueBakeJob(self, page_fac, route, extra_route_metadata, seed):
-        if self._is_running:
-            raise Exception("The job queue is running.")
-
-        extra_key = self.getRecordExtraKey(seed)
-        entry = BakeRecordEntry(
-                page_fac.source.name,
-                page_fac.path,
-                extra_key)
-        self._record.addEntry(entry)
-
-        page = page_fac.buildPage()
-        route_metadata = create_route_metadata(page)
-        route_metadata.update(extra_route_metadata)
-        uri = route.getUri(route_metadata)
-        override_entry = self._record.getOverrideEntry(page.path, uri)
-        if override_entry is not None:
-            override_source = self.app.getSource(
-                    override_entry.source_name)
-            if override_source.realm == page_fac.source.realm:
-                entry.errors.append(
-                        "Page '%s' maps to URL '%s' but is overriden "
-                        "by page '%s'." %
-                        (page_fac.ref_spec, uri, override_entry.path))
-                logger.error(entry.errors[-1])
-            entry.flags |= BakeRecordEntry.FLAG_OVERRIDEN
-            return
-
-        route_index = self._app.routes.index(route)
-        job = {
-                'type': JOB_BAKE,
-                'job': {
-                        'factory_info': save_factory(page_fac),
-                        'generator_name': self._generator.name,
-                        'generator_record_key': extra_key,
-                        'route_index': route_index,
-                        'route_metadata': route_metadata,
-                        'dirty_source_names': self._record.dirty_source_names,
-                        'needs_config': True
-                        }
-                }
-        self._job_queue.append(job)
-
-    def runJobQueue(self):
-        def _handler(res):
-            entry = self._record.getCurrentEntry(
-                    res['path'], res['generator_record_key'])
-            entry.config = res['config']
-            entry.subs = res['sub_entries']
-            if res['errors']:
-                entry.errors += res['errors']
-            if entry.has_any_error:
-                self._record.current.success = False
-
-        self._is_running = True
-        try:
-            ar = self._pool.queueJobs(self._job_queue, handler=_handler)
-            ar.wait()
-        finally:
-            self._is_running = False
-
-
-class PageGenerator(object):
-    def __init__(self, app, name, config):
-        self.app = app
-        self.name = name
-        self.config = config or {}
-
-        self.source_name = config.get('source')
-        if self.source_name is None:
-            raise ConfigurationError(
-                    "Generator '%s' requires a source name" % name)
-
-        page_ref = config.get('page')
-        if page_ref is None:
-            raise ConfigurationError(
-                    "Generator '%s' requires a listing page ref." % name)
-        self.page_ref = PageRef(app, page_ref)
-
-        self.data_endpoint = config.get('data_endpoint')
-        self.data_type = config.get('data_type')
-        if self.data_endpoint and not self.data_type:
-            raise ConfigurationError(
-                "Generator '%s' requires a data type because it has "
-                "a data endpoint." % name)
-
-        self._provider_type = None
-
-    @cached_property
-    def source(self):
-        for src in self.app.sources:
-            if src.name == self.source_name:
-                return src
-        raise Exception("Can't find source '%s' for generator '%s'." % (
-            self.source_name, self.name))
-
-    def getSupportedRouteParameters(self):
-        raise NotImplementedError()
-
-    def getPageFactory(self, route_metadata):
-        # This will raise `PageNotFoundError` naturally if not found.
-        return self.page_ref.getFactory()
-
-    def bake(self, ctx):
-        raise NotImplementedError()
-
-    def onRouteFunctionUsed(self, route, route_metadata):
-        pass
-
-    def buildDataProvider(self, page, override):
-        if not self._provider_type:
-            from piecrust.data.provider import get_data_provider_class
-            self._provider_type = get_data_provider_class(self.app,
-                                                          self.data_type)
-        return self._provider_type(self, page, override)
--- a/piecrust/generation/blogarchives.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,123 +0,0 @@
-import logging
-import datetime
-from piecrust.chefutil import format_timed_scope
-from piecrust.data.filters import PaginationFilter, IFilterClause
-from piecrust.data.iterators import PageIterator
-from piecrust.generation.base import PageGenerator, InvalidRecordExtraKey
-from piecrust.routing import RouteParameter
-
-
-logger = logging.getLogger(__name__)
-
-
-class BlogArchivesPageGenerator(PageGenerator):
-    GENERATOR_NAME = 'blog_archives'
-
-    def __init__(self, app, name, config):
-        super(BlogArchivesPageGenerator, self).__init__(app, name, config)
-
-    def getSupportedRouteParameters(self):
-        return [RouteParameter('year', RouteParameter.TYPE_INT4)]
-
-    def onRouteFunctionUsed(self, route, route_metadata):
-        pass
-
-    def prepareRenderContext(self, ctx):
-        ctx.pagination_source = self.source
-
-        year = ctx.page.route_metadata.get('year')
-        if year is None:
-            raise Exception(
-                    "Can't find the archive year in the route metadata")
-        if type(year) is not int:
-            raise Exception(
-                    "The route for generator '%s' should specify an integer "
-                    "parameter for 'year'." % self.name)
-
-        flt = PaginationFilter()
-        flt.addClause(IsFromYearFilterClause(year))
-        ctx.pagination_filter = flt
-
-        ctx.custom_data['year'] = year
-
-        flt2 = PaginationFilter()
-        flt2.addClause(IsFromYearFilterClause(year))
-        it = PageIterator(self.source, pagination_filter=flt2,
-                          sorter=_date_sorter)
-        ctx.custom_data['archives'] = it
-
-    def bake(self, ctx):
-        if not self.page_ref.exists:
-            logger.debug(
-                    "No page found at '%s', skipping %s archives." %
-                    (self.page_ref, self.source_name))
-            return
-
-        logger.debug("Baking %s archives...", self.source_name)
-        with format_timed_scope(logger, 'gathered archive years',
-                                level=logging.DEBUG, colored=False):
-            all_years, dirty_years = self._buildDirtyYears(ctx)
-
-        with format_timed_scope(logger, "baked %d %s archives." %
-                                (len(dirty_years), self.source_name)):
-            self._bakeDirtyYears(ctx, all_years, dirty_years)
-
-    def _buildDirtyYears(self, ctx):
-        logger.debug("Gathering dirty post years.")
-        all_years = set()
-        dirty_years = set()
-        for _, cur_entry in ctx.getAllPageRecords():
-            if cur_entry and cur_entry.source_name == self.source_name:
-                dt = datetime.datetime.fromtimestamp(cur_entry.timestamp)
-                all_years.add(dt.year)
-                if cur_entry.was_any_sub_baked:
-                    dirty_years.add(dt.year)
-        return all_years, dirty_years
-
-    def _bakeDirtyYears(self, ctx, all_years, dirty_years):
-        route = self.app.getGeneratorRoute(self.name)
-        if route is None:
-            raise Exception(
-                    "No routes have been defined for generator: %s" %
-                    self.name)
-
-        logger.debug("Using archive page: %s" % self.page_ref)
-        fac = self.page_ref.getFactory()
-
-        for y in dirty_years:
-            extra_route_metadata = {'year': y}
-
-            logger.debug("Queuing: %s [%s]" % (fac.ref_spec, y))
-            ctx.queueBakeJob(fac, route, extra_route_metadata, str(y))
-        ctx.runJobQueue()
-
-        # Create bake entries for the years that were *not* dirty.
-        # Otherwise, when checking for deleted pages, we would not find any
-        # outputs and would delete those files.
-        all_str_years = [str(y) for y in all_years]
-        for prev_entry, cur_entry in ctx.getAllPageRecords():
-            if prev_entry and not cur_entry:
-                try:
-                    y = ctx.getSeedFromRecordExtraKey(prev_entry.extra_key)
-                except InvalidRecordExtraKey:
-                    continue
-                if y in all_str_years:
-                    logger.debug(
-                            "Creating unbaked entry for year %s archive." % y)
-                    ctx.collapseRecord(prev_entry)
-                else:
-                    logger.debug(
-                            "No page references year %s anymore." % y)
-
-
-class IsFromYearFilterClause(IFilterClause):
-    def __init__(self, year):
-        self.year = year
-
-    def pageMatches(self, fil, page):
-        return (page.datetime.year == self.year)
-
-
-def _date_sorter(it):
-    return sorted(it, key=lambda x: x.datetime)
-
--- a/piecrust/generation/taxonomy.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,427 +0,0 @@
-import re
-import time
-import logging
-import unidecode
-from piecrust.chefutil import format_timed, format_timed_scope
-from piecrust.configuration import ConfigurationError
-from piecrust.data.filters import (
-        PaginationFilter, SettingFilterClause,
-        page_value_accessor)
-from piecrust.generation.base import PageGenerator, InvalidRecordExtraKey
-from piecrust.routing import RouteParameter
-
-
-logger = logging.getLogger(__name__)
-
-
-SLUGIFY_ENCODE = 1
-SLUGIFY_TRANSLITERATE = 2
-SLUGIFY_LOWERCASE = 4
-SLUGIFY_DOT_TO_DASH = 8
-SLUGIFY_SPACE_TO_DASH = 16
-
-
-re_first_dot_to_dash = re.compile(r'^\.+')
-re_dot_to_dash = re.compile(r'\.+')
-re_space_to_dash = re.compile(r'\s+')
-
-
-class Taxonomy(object):
-    def __init__(self, name, config):
-        self.name = name
-        self.config = config
-        self.term_name = config.get('term', name)
-        self.is_multiple = bool(config.get('multiple', False))
-        self.separator = config.get('separator', '/')
-        self.page_ref = config.get('page')
-
-    @property
-    def setting_name(self):
-        if self.is_multiple:
-            return self.name
-        return self.term_name
-
-
-class TaxonomyPageGenerator(PageGenerator):
-    """ A page generator that handles taxonomies, _i.e._ lists of keywords
-        that pages are labelled with, and for which we need to generate
-        listing pages.
-    """
-    GENERATOR_NAME = 'taxonomy'
-
-    def __init__(self, app, name, config):
-        super(TaxonomyPageGenerator, self).__init__(app, name, config)
-
-        tax_name = config.get('taxonomy')
-        if tax_name is None:
-            raise ConfigurationError(
-                    "Generator '%s' requires a taxonomy name." % name)
-        tax_config = app.config.get('site/taxonomies/' + tax_name)
-        if tax_config is None:
-            raise ConfigurationError(
-                    "Error initializing generator '%s', no such taxonomy: %s",
-                    (name, tax_name))
-        self.taxonomy = Taxonomy(tax_name, tax_config)
-
-        sm = config.get('slugify_mode')
-        if not sm:
-            sm = app.config.get('site/slugify_mode', 'encode')
-        self.slugify_mode = _parse_slugify_mode(sm)
-        self.slugifier = _Slugifier(self.taxonomy, self.slugify_mode)
-
-    def getSupportedRouteParameters(self):
-        name = self.taxonomy.term_name
-        param_type = (RouteParameter.TYPE_PATH if self.taxonomy.is_multiple
-                      else RouteParameter.TYPE_STRING)
-        return [RouteParameter(name, param_type,
-                               variadic=self.taxonomy.is_multiple)]
-
-    def slugify(self, term):
-        return self.slugifier.slugify(term)
-
-    def slugifyMultiple(self, terms):
-        return self.slugifier.slugifyMultiple(terms)
-
-    def prepareRenderContext(self, ctx):
-        # Set the pagination source as the source we're generating for.
-        ctx.pagination_source = self.source
-
-        # Get the taxonomy terms from the route metadata... this can come from
-        # the browser's URL (while serving) or from the baking (see `bake`
-        # method below). In both cases, we expect to have the *slugified*
-        # version of the term, because we're going to set a filter that also
-        # slugifies the terms found on each page.
-        #
-        # This is because:
-        #  * while serving, we get everything from the request URL, so we only
-        #    have the slugified version.
-        #  * if 2 slightly different terms "collide" into the same slugified
-        #    term, we'll get a merge of the 2 on the listing page, which is
-        #    what the user expects.
-        #
-        tax_terms, is_combination = self._getTaxonomyTerms(
-                ctx.page.route_metadata)
-        self._setTaxonomyFilter(ctx, tax_terms, is_combination)
-
-        # Add some custom data for rendering.
-        ctx.custom_data.update({
-                self.taxonomy.term_name: tax_terms,
-                'is_multiple_%s' % self.taxonomy.term_name: is_combination})
-        # Add some "plural" version of the term... so for instance, if this
-        # is the "tags" taxonomy, "tag" will have one term most of the time,
-        # except when it's a combination. Here, we add "tags" as something that
-        # is always a tuple, even when it's not a combination.
-        if (self.taxonomy.is_multiple and
-                self.taxonomy.name != self.taxonomy.term_name):
-            mult_val = tax_terms
-            if not is_combination:
-                mult_val = (mult_val,)
-            ctx.custom_data[self.taxonomy.name] = mult_val
-
-    def _getTaxonomyTerms(self, route_metadata):
-        # Get the individual slugified terms from the route metadata.
-        all_values = route_metadata.get(self.taxonomy.term_name)
-        if all_values is None:
-            raise Exception("'%s' values couldn't be found in route metadata" %
-                            self.taxonomy.term_name)
-
-        # If it's a "multiple" taxonomy, we need to potentially split the
-        # route value into the individual terms (_e.g._ when listing all pages
-        # that have 2 given tags, we need to get each of those 2 tags).
-        if self.taxonomy.is_multiple:
-            sep = self.taxonomy.separator
-            if sep in all_values:
-                return tuple(all_values.split(sep)), True
-        # Not a "multiple" taxonomy, so there's only the one value.
-        return all_values, False
-
-    def _setTaxonomyFilter(self, ctx, term_value, is_combination):
-        # Set up the filter that will check the pages' terms.
-        flt = PaginationFilter(value_accessor=page_value_accessor)
-        flt.addClause(HasTaxonomyTermsFilterClause(
-                self.taxonomy, self.slugify_mode, term_value, is_combination))
-        ctx.pagination_filter = flt
-
-    def onRouteFunctionUsed(self, route, route_metadata):
-        # Get the values, and slugify them appropriately.
-        values = route_metadata[self.taxonomy.term_name]
-        if self.taxonomy.is_multiple:
-            # TODO: here we assume the route has been properly configured.
-            slugified_values = self.slugifyMultiple((str(v) for v in values))
-            route_val = self.taxonomy.separator.join(slugified_values)
-        else:
-            slugified_values = self.slugify(str(values))
-            route_val = slugified_values
-
-        # We need to register this use of a taxonomy term.
-        eis = self.app.env.exec_info_stack
-        cpi = eis.current_page_info.render_ctx.current_pass_info
-        if cpi:
-            utt = cpi.getCustomInfo('used_taxonomy_terms', [], True)
-            utt.append(slugified_values)
-
-        # Put the slugified values in the route metadata so they're used to
-        # generate the URL.
-        route_metadata[self.taxonomy.term_name] = route_val
-
-    def bake(self, ctx):
-        if not self.page_ref.exists:
-            logger.debug(
-                    "No page found at '%s', skipping taxonomy '%s'." %
-                    (self.page_ref, self.taxonomy.name))
-            return
-
-        logger.debug("Baking %s pages...", self.taxonomy.name)
-        analyzer = _TaxonomyTermsAnalyzer(self.source_name, self.taxonomy,
-                                          self.slugify_mode)
-        with format_timed_scope(logger, 'gathered taxonomy terms',
-                                level=logging.DEBUG, colored=False):
-            analyzer.analyze(ctx)
-
-        start_time = time.perf_counter()
-        page_count = self._bakeTaxonomyTerms(ctx, analyzer)
-        if page_count > 0:
-            logger.info(format_timed(
-                start_time,
-                "baked %d %s pages for %s." % (
-                    page_count, self.taxonomy.term_name, self.source_name)))
-
-    def _bakeTaxonomyTerms(self, ctx, analyzer):
-        # Start baking those terms.
-        logger.debug(
-                "Baking '%s' for source '%s': %d terms" %
-                (self.taxonomy.name, self.source_name,
-                 len(analyzer.dirty_slugified_terms)))
-
-        route = self.app.getGeneratorRoute(self.name)
-        if route is None:
-            raise Exception("No routes have been defined for generator: %s" %
-                            self.name)
-
-        logger.debug("Using taxonomy page: %s" % self.page_ref)
-        fac = self.page_ref.getFactory()
-
-        job_count = 0
-        for slugified_term in analyzer.dirty_slugified_terms:
-            extra_route_metadata = {
-                self.taxonomy.term_name: slugified_term}
-
-            # Use the slugified term as the record's extra key seed.
-            logger.debug(
-                "Queuing: %s [%s=%s]" %
-                (fac.ref_spec, self.taxonomy.name, slugified_term))
-            ctx.queueBakeJob(fac, route, extra_route_metadata, slugified_term)
-            job_count += 1
-        ctx.runJobQueue()
-
-        # Now we create bake entries for all the terms that were *not* dirty.
-        # This is because otherwise, on the next incremental bake, we wouldn't
-        # find any entry for those things, and figure that we need to delete
-        # their outputs.
-        for prev_entry, cur_entry in ctx.getAllPageRecords():
-            # Only consider taxonomy-related entries that don't have any
-            # current version (i.e. they weren't baked just now).
-            if prev_entry and not cur_entry:
-                try:
-                    t = ctx.getSeedFromRecordExtraKey(prev_entry.extra_key)
-                except InvalidRecordExtraKey:
-                    continue
-
-                if analyzer.isKnownSlugifiedTerm(t):
-                    logger.debug("Creating unbaked entry for %s term: %s" %
-                                 (self.name, t))
-                    ctx.collapseRecord(prev_entry)
-                else:
-                    logger.debug("Term %s in %s isn't used anymore." %
-                                 (self.name, t))
-
-        return job_count
-
-
-class HasTaxonomyTermsFilterClause(SettingFilterClause):
-    def __init__(self, taxonomy, slugify_mode, value, is_combination):
-        super(HasTaxonomyTermsFilterClause, self).__init__(
-                taxonomy.setting_name, value)
-        self._taxonomy = taxonomy
-        self._is_combination = is_combination
-        self._slugifier = _Slugifier(taxonomy, slugify_mode)
-
-    def pageMatches(self, fil, page):
-        if self._taxonomy.is_multiple:
-            # Multiple taxonomy, i.e. it supports multiple terms, like tags.
-            page_values = fil.value_accessor(page, self.name)
-            if page_values is None or not isinstance(page_values, list):
-                return False
-
-            page_set = set(map(self._slugifier.slugify, page_values))
-            if self._is_combination:
-                # Multiple taxonomy, and multiple terms to match. Check that
-                # the ones to match are all in the page's terms.
-                value_set = set(self.value)
-                return value_set.issubset(page_set)
-            else:
-                # Multiple taxonomy, one term to match.
-                return self.value in page_set
-        else:
-            # Single taxonomy. Just compare the values.
-            page_value = fil.value_accessor(page, self.name)
-            if page_value is None:
-                return False
-            page_value = self._slugifier.slugify(page_value)
-            return page_value == self.value
-
-
-class _TaxonomyTermsAnalyzer(object):
-    def __init__(self, source_name, taxonomy, slugify_mode):
-        self.source_name = source_name
-        self.taxonomy = taxonomy
-        self.slugifier = _Slugifier(taxonomy, slugify_mode)
-        self._all_terms = {}
-        self._single_dirty_slugified_terms = set()
-        self._all_dirty_slugified_terms = None
-
-    @property
-    def dirty_slugified_terms(self):
-        """ Returns the slugified terms that have been 'dirtied' during
-            this bake.
-        """
-        return self._all_dirty_slugified_terms
-
-    def isKnownSlugifiedTerm(self, term):
-        """ Returns whether the given slugified term has been seen during
-            this bake.
-        """
-        return term in self._all_terms
-
-    def analyze(self, ctx):
-        # Build the list of terms for our taxonomy, and figure out which ones
-        # are 'dirty' for the current bake.
-        #
-        # Remember all terms used.
-        for _, cur_entry in ctx.getAllPageRecords():
-            if cur_entry and not cur_entry.was_overriden:
-                cur_terms = cur_entry.config.get(self.taxonomy.setting_name)
-                if cur_terms:
-                    if not self.taxonomy.is_multiple:
-                        self._addTerm(cur_entry.path, cur_terms)
-                    else:
-                        self._addTerms(cur_entry.path, cur_terms)
-
-        # Re-bake all taxonomy terms that include new or changed pages, by
-        # marking them as 'dirty'.
-        for prev_entry, cur_entry in ctx.getBakedPageRecords():
-            if cur_entry.source_name != self.source_name:
-                continue
-
-            entries = [cur_entry]
-            if prev_entry:
-                entries.append(prev_entry)
-
-            for e in entries:
-                entry_terms = e.config.get(self.taxonomy.setting_name)
-                if entry_terms:
-                    if not self.taxonomy.is_multiple:
-                        self._single_dirty_slugified_terms.add(
-                            self.slugifier.slugify(entry_terms))
-                    else:
-                        self._single_dirty_slugified_terms.update(
-                            (self.slugifier.slugify(t)
-                             for t in entry_terms))
-
-        self._all_dirty_slugified_terms = list(
-            self._single_dirty_slugified_terms)
-        logger.debug("Gathered %d dirty taxonomy terms",
-                     len(self._all_dirty_slugified_terms))
-
-        # Re-bake the combination pages for terms that are 'dirty'.
-        # We make all terms into tuple, even those that are not actual
-        # combinations, so that we have less things to test further down the
-        # line.
-        #
-        # Add the combinations to that list. We get those combinations from
-        # wherever combinations were used, so they're coming from the
-        # `onRouteFunctionUsed` method.
-        if self.taxonomy.is_multiple:
-            known_combinations = set()
-            for _, cur_entry in ctx.getAllPageRecords():
-                if cur_entry:
-                    used_terms = _get_all_entry_taxonomy_terms(cur_entry)
-                    for terms in used_terms:
-                        if len(terms) > 1:
-                            known_combinations.add(terms)
-
-            dcc = 0
-            for terms in known_combinations:
-                if not self._single_dirty_slugified_terms.isdisjoint(
-                        set(terms)):
-                    self._all_dirty_slugified_terms.append(
-                        self.taxonomy.separator.join(terms))
-                    dcc += 1
-            logger.debug("Gathered %d term combinations, with %d dirty." %
-                         (len(known_combinations), dcc))
-
-    def _addTerms(self, entry_path, terms):
-        for t in terms:
-            self._addTerm(entry_path, t)
-
-    def _addTerm(self, entry_path, term):
-        st = self.slugifier.slugify(term)
-        orig_terms = self._all_terms.setdefault(st, [])
-        if orig_terms and orig_terms[0] != term:
-            logger.warning(
-                "Term '%s' in '%s' is slugified to '%s' which conflicts with "
-                "previously existing '%s'. The two will be merged." %
-                (term, entry_path, st, orig_terms[0]))
-        orig_terms.append(term)
-
-
-def _get_all_entry_taxonomy_terms(entry):
-    res = set()
-    for o in entry.subs:
-        for pinfo in o.render_info:
-            if pinfo:
-                terms = pinfo.getCustomInfo('used_taxonomy_terms')
-                if terms:
-                    res |= set(terms)
-    return res
-
-
-class _Slugifier(object):
-    def __init__(self, taxonomy, mode):
-        self.taxonomy = taxonomy
-        self.mode = mode
-
-    def slugifyMultiple(self, terms):
-        return tuple(map(self.slugify, terms))
-
-    def slugify(self, term):
-        if self.mode & SLUGIFY_TRANSLITERATE:
-            term = unidecode.unidecode(term)
-        if self.mode & SLUGIFY_LOWERCASE:
-            term = term.lower()
-        if self.mode & SLUGIFY_DOT_TO_DASH:
-            term = re_first_dot_to_dash.sub('', term)
-            term = re_dot_to_dash.sub('-', term)
-        if self.mode & SLUGIFY_SPACE_TO_DASH:
-            term = re_space_to_dash.sub('-', term)
-        return term
-
-
-def _parse_slugify_mode(value):
-    mapping = {
-            'encode': SLUGIFY_ENCODE,
-            'transliterate': SLUGIFY_TRANSLITERATE,
-            'lowercase': SLUGIFY_LOWERCASE,
-            'dot_to_dash': SLUGIFY_DOT_TO_DASH,
-            'space_to_dash': SLUGIFY_SPACE_TO_DASH}
-    mode = 0
-    for v in value.split(','):
-        f = mapping.get(v.strip())
-        if f is None:
-            if v == 'iconv':
-                raise Exception("'iconv' is not supported as a slugify mode "
-                                "in PieCrust2. Use 'transliterate'.")
-            raise Exception("Unknown slugify flag: %s" % v)
-        mode |= f
-    return mode
-
--- a/piecrust/importing/wordpress.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/importing/wordpress.py	Fri Sep 29 17:05:09 2017 -0700
@@ -5,9 +5,8 @@
 from collections import OrderedDict
 from piecrust import CONFIG_PATH
 from piecrust.configuration import (
-        ConfigurationLoader, ConfigurationDumper, merge_dicts)
+    ConfigurationLoader, ConfigurationDumper, merge_dicts)
 from piecrust.importing.base import Importer, create_page, download_asset
-from piecrust.sources.base import MODE_CREATING
 
 
 logger = logging.getLogger(__name__)
@@ -16,25 +15,25 @@
 class WordpressImporterBase(Importer):
     def setupParser(self, parser, app):
         parser.add_argument(
-                '--pages-source',
-                default="pages",
-                help="The source to store pages in.")
+            '--pages-source',
+            default="pages",
+            help="The source to store pages in.")
         parser.add_argument(
-                '--posts-source',
-                default="posts",
-                help="The source to store posts in.")
+            '--posts-source',
+            default="posts",
+            help="The source to store posts in.")
         parser.add_argument(
-                '--default-post-layout',
-                help="The default layout to use for posts.")
+            '--default-post-layout',
+            help="The default layout to use for posts.")
         parser.add_argument(
-                '--default-post-category',
-                help="The default category to use for posts.")
+            '--default-post-category',
+            help="The default category to use for posts.")
         parser.add_argument(
-                '--default-page-layout',
-                help="The default layout to use for pages.")
+            '--default-page-layout',
+            help="The default layout to use for pages.")
         parser.add_argument(
-                '--default-page-category',
-                help="The default category to use for pages.")
+            '--default-page-category',
+            help="The default category to use for pages.")
 
     def importWebsite(self, app, args):
         impl = self._getImplementation(app, args)
@@ -60,8 +59,8 @@
         site_config = self._getSiteConfig(ctx)
         site_config.setdefault('site', {})
         site_config['site'].update({
-                'post_url': '%year%/%month%/%slug%',
-                'category_url': 'category/%category%'})
+            'post_url': '%year%/%month%/%slug%',
+            'category_url': 'category/%category%'})
 
         site_config_path = os.path.join(self.app.root_dir, CONFIG_PATH)
         with open(site_config_path, 'r') as fp:
@@ -102,10 +101,10 @@
     def _createPost(self, post_info):
         post_dt = post_info['datetime']
         finder = {
-                'year': post_dt.year,
-                'month': post_dt.month,
-                'day': post_dt.day,
-                'slug': post_info['slug']}
+            'year': post_dt.year,
+            'month': post_dt.month,
+            'day': post_dt.day,
+            'slug': post_info['slug']}
         if post_info['type'] == 'post':
             source = self._posts_source
         elif post_info['type'] == 'page':
@@ -174,25 +173,25 @@
         title = find_text(channel, 'title')
         description = find_text(channel, 'description')
         site_config = OrderedDict({
-                'site': {
-                    'title': title,
-                    'description': description}
-                })
+            'site': {
+                'title': title,
+                'description': description}
+        })
 
         # Get authors' names.
         authors = {}
         for a in channel.findall('wp:author', self.ns_wp):
             login = find_text(a, 'wp:author_login', self.ns_wp)
             authors[login] = {
-                    'email': find_text(a, 'wp:author_email', self.ns_wp),
-                    'display_name': find_text(a, 'wp:author_display_name',
-                                              self.ns_wp),
-                    'first_name': find_text(a, 'wp:author_first_name',
-                                            self.ns_wp),
-                    'last_name': find_text(a, 'wp:author_last_name',
-                                           self.ns_wp),
-                    'author_id': find_text(a, 'wp:author_id',
-                                           self.ns_wp)}
+                'email': find_text(a, 'wp:author_email', self.ns_wp),
+                'display_name': find_text(a, 'wp:author_display_name',
+                                          self.ns_wp),
+                'first_name': find_text(a, 'wp:author_first_name',
+                                        self.ns_wp),
+                'last_name': find_text(a, 'wp:author_last_name',
+                                       self.ns_wp),
+                'author_id': find_text(a, 'wp:author_id',
+                                       self.ns_wp)}
         site_config['site']['authors'] = authors
 
         return site_config
@@ -216,9 +215,9 @@
         post_name = find_text(node, 'wp:post_name', self.ns_wp)
         post_type = find_text(node, 'wp:post_type', self.ns_wp)
         post_info = {
-                'type': post_type,
-                'slug': post_name,
-                'datetime': post_date}
+            'type': post_type,
+            'slug': post_name,
+            'datetime': post_date}
 
         title = find_text(node, 'title')
         creator = find_text(node, 'dc:creator', self.ns_dc)
@@ -228,12 +227,12 @@
         description = find_text(node, 'description')
         # TODO: menu order, parent, password, sticky
         post_info.update({
-                'title': title,
-                'author': creator,
-                'status': status,
-                'post_id': post_id,
-                'post_guid': guid,
-                'description': description})
+            'title': title,
+            'author': creator,
+            'status': status,
+            'post_id': post_id,
+            'post_guid': guid,
+            'description': description})
 
         categories = []
         for c in node.findall('category'):
@@ -250,8 +249,8 @@
         content = find_text(node, 'content:encoded', self.ns_content)
         excerpt = find_text(node, 'excerpt:encoded', self.ns_excerpt)
         post_info.update({
-                'content': content,
-                'excerpt': excerpt})
+            'content': content,
+            'excerpt': excerpt})
 
         return post_info
 
--- a/piecrust/main.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/main.py	Fri Sep 29 17:05:09 2017 -0700
@@ -9,9 +9,9 @@
 import colorama
 from piecrust import APP_VERSION
 from piecrust.app import (
-        PieCrust, PieCrustConfiguration, apply_variant_and_values)
+    PieCrustFactory, PieCrustConfiguration)
 from piecrust.chefutil import (
-        format_timed, log_friendly_exception, print_help_item)
+    format_timed, log_friendly_exception, print_help_item)
 from piecrust.commands.base import CommandContext
 from piecrust.pathutil import SiteNotFoundError, find_app_root
 from piecrust.plugins.base import PluginLoader
@@ -22,12 +22,12 @@
 
 class ColoredFormatter(logging.Formatter):
     COLORS = {
-            'DEBUG': colorama.Fore.BLACK + colorama.Style.BRIGHT,
-            'INFO': '',
-            'WARNING': colorama.Fore.YELLOW,
-            'ERROR': colorama.Fore.RED,
-            'CRITICAL': colorama.Back.RED + colorama.Fore.WHITE
-            }
+        'DEBUG': colorama.Fore.BLACK + colorama.Style.BRIGHT,
+        'INFO': '',
+        'WARNING': colorama.Fore.YELLOW,
+        'ERROR': colorama.Fore.RED,
+        'CRITICAL': colorama.Back.RED + colorama.Fore.WHITE
+    }
 
     def __init__(self, fmt=None, datefmt=None):
         super(ColoredFormatter, self).__init__(fmt, datefmt)
@@ -79,67 +79,68 @@
 
 def _setup_main_parser_arguments(parser):
     parser.add_argument(
-            '--version',
-            action='version',
-            version=('%(prog)s ' + APP_VERSION))
+        '--version',
+        action='version',
+        version=('%(prog)s ' + APP_VERSION))
     parser.add_argument(
-            '--root',
-            help="The root directory of the website.")
+        '--root',
+        help="The root directory of the website.")
     parser.add_argument(
-            '--theme',
-            action='store_true',
-            help="Makes the current command apply to a theme website.")
+        '--theme',
+        action='store_true',
+        help="Makes the current command apply to a theme website.")
     parser.add_argument(
-            '--config',
-            dest='config_variant',
-            help="The configuration variant to use for this command.")
+        '--config',
+        action='append',
+        dest='config_variants',
+        help="The configuration variant(s) to use for this command.")
     parser.add_argument(
-            '--config-set',
-            nargs=2,
-            metavar=('NAME', 'VALUE'),
-            action='append',
-            dest='config_values',
-            help="Sets a specific site configuration setting.")
+        '--config-set',
+        nargs=2,
+        metavar=('NAME', 'VALUE'),
+        action='append',
+        dest='config_values',
+        help="Sets a specific site configuration setting.")
     parser.add_argument(
-            '--debug',
-            help="Show debug information.", action='store_true')
+        '--debug',
+        help="Show debug information.", action='store_true')
     parser.add_argument(
-            '--debug-only',
-            action='append',
-            help="Only show debug information for the given categories.")
+        '--debug-only',
+        action='append',
+        help="Only show debug information for the given categories.")
     parser.add_argument(
-            '--no-cache',
-            help="When applicable, disable caching.",
-            action='store_true')
+        '--no-cache',
+        help="When applicable, disable caching.",
+        action='store_true')
     parser.add_argument(
-            '--quiet',
-            help="Print only important information.",
-            action='store_true')
+        '--quiet',
+        help="Print only important information.",
+        action='store_true')
     parser.add_argument(
-            '--log',
-            dest='log_file',
-            help="Send log messages to the specified file.")
+        '--log',
+        dest='log_file',
+        help="Send log messages to the specified file.")
     parser.add_argument(
-            '--log-debug',
-            help="Log debug messages to the log file.",
-            action='store_true')
+        '--log-debug',
+        help="Log debug messages to the log file.",
+        action='store_true')
     parser.add_argument(
-            '--no-color',
-            help="Don't use colorized output.",
-            action='store_true')
+        '--no-color',
+        help="Don't use colorized output.",
+        action='store_true')
     parser.add_argument(
-            '--pid-file',
-            dest='pid_file',
-            help="Write a PID file for the current process.")
+        '--pid-file',
+        dest='pid_file',
+        help="Write a PID file for the current process.")
 
 
 """ Kinda hacky, but we want the `serve` command to use a different cache
-    so that PieCrust doesn't need to re-render all the pages when going
-    between `serve` and `bake` (or, worse, *not* re-render them all correctly
-    and end up serving or baking the wrong version).
+so that PieCrust doesn't need to re-render all the pages when going
+between `serve` and `bake` (or, worse, *not* re-render them all correctly
+and end up serving or baking the wrong version).
 """
 _command_caches = {
-        'serve': 'server'}
+    'serve': 'server'}
 
 
 def _pre_parse_chef_args(argv):
@@ -209,8 +210,9 @@
         cmd_name = pre_args.extra_args[0]
         if cmd_name in _command_caches:
             cache_key_str = _command_caches[cmd_name]
-    if pre_args.config_variant is not None:
-        cache_key_str += ',variant=%s' % pre_args.config_variant
+    if pre_args.config_variants:
+        for value in pre_args.config_variants:
+            cache_key_str += ',variant=%s' % value
     if pre_args.config_values:
         for name, value in pre_args.config_values:
             cache_key_str += ',%s=%s' % (name, value)
@@ -233,32 +235,34 @@
             root = None
 
     # Can't apply custom configuration stuff if there's no website.
-    if (pre_args.config_variant or pre_args.config_values) and not root:
+    if (pre_args.config_variants or pre_args.config_values) and not root:
         raise SiteNotFoundError(
-                "Can't apply any configuration variant or value overrides, "
-                "there is no website here.")
+            "Can't apply any configuration variant or value overrides, "
+            "there is no website here.")
 
     if root:
         cache_key = None
         if not pre_args.no_cache:
             cache_key = _build_cache_key(pre_args)
-        app = PieCrust(
-                root,
-                theme_site=pre_args.theme,
-                cache=(not pre_args.no_cache),
-                cache_key=cache_key,
-                debug=pre_args.debug)
-        apply_variant_and_values(
-                app, pre_args.config_variant, pre_args.config_values)
+        appfactory = PieCrustFactory(
+            root,
+            theme_site=pre_args.theme,
+            cache=(not pre_args.no_cache),
+            cache_key=cache_key,
+            debug=pre_args.debug,
+            config_variants=pre_args.config_variants,
+            config_values=pre_args.config_values)
+        app = appfactory.create()
     else:
+        appfactory = None
         app = NullPieCrust(
-                theme_site=pre_args.theme)
+            theme_site=pre_args.theme)
 
     # Setup the arg parser.
     parser = argparse.ArgumentParser(
-            prog='chef',
-            description="The PieCrust chef manages your website.",
-            formatter_class=argparse.RawDescriptionHelpFormatter)
+        prog='chef',
+        description="The PieCrust chef manages your website.",
+        formatter_class=argparse.RawDescriptionHelpFormatter)
     _setup_main_parser_arguments(parser)
 
     commands = sorted(app.plugin_loader.getCommands(),
@@ -289,10 +293,7 @@
         return 0
 
     # Run the command!
-    ctx = CommandContext(app, parser, result)
-    ctx.config_variant = pre_args.config_variant
-    ctx.config_values = pre_args.config_values
-
+    ctx = CommandContext(appfactory, app, parser, result)
     exit_code = result.func(ctx)
     if exit_code is None:
         return 0
--- a/piecrust/page.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/page.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,7 +1,5 @@
 import re
-import sys
 import json
-import os.path
 import hashlib
 import logging
 import datetime
@@ -9,8 +7,9 @@
 import collections
 from werkzeug.utils import cached_property
 from piecrust.configuration import (
-        Configuration, ConfigurationError,
-        parse_config_header)
+    Configuration, ConfigurationError,
+    parse_config_header,
+    MERGE_PREPEND_LISTS)
 
 
 logger = logging.getLogger(__name__)
@@ -36,32 +35,41 @@
 FLAG_RAW_CACHE_VALID = 2**0
 
 
-class Page(object):
-    def __init__(self, source, source_metadata, rel_path):
+class PageNotFoundError(Exception):
+    pass
+
+
+class Page:
+    """ Represents a page that is text content with an optional YAML
+        front-matter, and that goes through the page pipeline.
+    """
+    def __init__(self, source, content_item):
         self.source = source
-        self.source_metadata = source_metadata
-        self.rel_path = rel_path
+        self.content_item = content_item
         self._config = None
         self._segments = None
         self._flags = FLAG_NONE
         self._datetime = None
 
-    @property
+    @cached_property
     def app(self):
         return self.source.app
 
+    @cached_property
+    def route(self):
+        return self.source.route
+
     @property
-    def ref_spec(self):
-        return '%s:%s' % (self.source.name, self.rel_path)
+    def source_metadata(self):
+        return self.content_item.metadata
+
+    @property
+    def content_spec(self):
+        return self.content_item.spec
 
     @cached_property
-    def path(self):
-        path, _ = self.source.resolveRef(self.rel_path)
-        return path
-
-    @cached_property
-    def path_mtime(self):
-        return os.path.getmtime(self.path)
+    def content_mtime(self):
+        return self.source.getItemMtime(self.content_item)
 
     @property
     def flags(self):
@@ -81,47 +89,28 @@
     def datetime(self):
         if self._datetime is None:
             try:
-                if 'datetime' in self.source_metadata:
-                    # Get the date/time from the source.
-                    self._datetime = self.source_metadata['datetime']
-                elif 'date' in self.source_metadata:
-                    # Get the date from the source. Potentially get the
-                    # time from the page config.
-                    page_date = self.source_metadata['date']
-                    page_time = _parse_config_time(self.config.get('time'))
-                    if page_time is not None:
-                        self._datetime = datetime.datetime(
-                                page_date.year,
-                                page_date.month,
-                                page_date.day) + page_time
-                    else:
-                        self._datetime = datetime.datetime(
-                                page_date.year, page_date.month, page_date.day)
-                elif 'date' in self.config:
-                    # Get the date from the page config, and maybe the
-                    # time too.
-                    page_date = _parse_config_date(self.config.get('date'))
-                    self._datetime = datetime.datetime(
-                            page_date.year,
-                            page_date.month,
-                            page_date.day)
-                    page_time = _parse_config_time(self.config.get('time'))
-                    if page_time is not None:
-                        self._datetime += page_time
-                else:
-                    # No idea what the date/time for this page is.
-                    self._datetime = datetime.datetime.fromtimestamp(0)
+                self._datetime = _compute_datetime(self.source_metadata,
+                                                   self.config)
             except Exception as ex:
                 logger.exception(ex)
                 raise Exception(
-                        "Error computing time for page: %s" %
-                        self.path) from ex
+                    "Error computing time for page: %s" %
+                    self.content_spec) from ex
+
+            if self._datetime is None:
+                self._datetime = datetime.datetime.fromtimestamp(
+                    self.content_mtime)
+
         return self._datetime
 
     @datetime.setter
     def datetime(self, value):
         self._datetime = value
 
+    def getUri(self, sub_num=1):
+        route_params = self.source_metadata['route_params']
+        return self.route.getUri(route_params, sub_num=sub_num)
+
     def getSegment(self, name='content'):
         return self.segments[name]
 
@@ -129,17 +118,58 @@
         if self._config is not None:
             return
 
-        config, content, was_cache_valid = load_page(self.app, self.path,
-                                                     self.path_mtime)
-        if 'config' in self.source_metadata:
-            config.merge(self.source_metadata['config'])
+        config, content, was_cache_valid = load_page(
+            self.source, self.content_item)
+
+        extra_config = self.source_metadata.get('config')
+        if extra_config is not None:
+            # Merge the source metadata configuration settings with the
+            # configuration settings from the page's contents. We only
+            # prepend to lists, i.e. we don't overwrite values because we
+            # want to keep what the user wrote in the file.
+            config.merge(extra_config, mode=MERGE_PREPEND_LISTS)
 
         self._config = config
         self._segments = content
         if was_cache_valid:
             self._flags |= FLAG_RAW_CACHE_VALID
 
-        self.source.finalizeConfig(self)
+
+def _compute_datetime(source_metadata, config):
+    # Get the date/time from the source.
+    dt = source_metadata.get('datetime')
+    if dt is not None:
+        return dt
+
+    # Get the date from the source. Potentially get the
+    # time from the page config.
+    page_date = source_metadata.get('date')
+    if page_date is not None:
+        dt = datetime.datetime(
+            page_date.year, page_date.month, page_date.day)
+
+        page_time = _parse_config_time(config.get('time'))
+        if page_time is not None:
+            dt += page_time
+
+        return dt
+
+    # Get the date from the page config, and maybe the
+    # time too.
+    page_date = _parse_config_date(config.get('date'))
+    if page_date is not None:
+        dt = datetime.datetime(
+            page_date.year, page_date.month, page_date.day)
+
+        page_time = _parse_config_time(config.get('time'))
+        if page_time is not None:
+            dt += page_time
+
+        return dt
+
+    # No idea what the date/time for this page is.
+    return datetime.datetime.fromtimestamp(0)
+
 
 def _parse_config_date(page_date):
     if page_date is None:
@@ -152,9 +182,9 @@
             logger.exception(ex)
             raise ConfigurationError("Invalid date: %s" % page_date) from ex
         return datetime.date(
-                year=parsed_d.year,
-                month=parsed_d.month,
-                day=parsed_d.day)
+            year=parsed_d.year,
+            month=parsed_d.month,
+            day=parsed_d.day)
 
     raise ConfigurationError("Invalid date: %s" % page_date)
 
@@ -173,9 +203,9 @@
             logger.exception(ex)
             raise ConfigurationError("Invalid time: %s" % page_time) from ex
         return datetime.timedelta(
-                hours=parsed_t.hour,
-                minutes=parsed_t.minute,
-                seconds=parsed_t.second)
+            hours=parsed_t.hour,
+            minutes=parsed_t.minute,
+            seconds=parsed_t.second)
 
     if isinstance(page_time, int):
         # Total seconds... convert to a time struct.
@@ -185,10 +215,8 @@
 
 
 class PageLoadingError(Exception):
-    def __init__(self, path, inner=None):
-        super(PageLoadingError, self).__init__(
-                "Error loading page: %s" % path,
-                inner)
+    def __init__(self, spec):
+        super().__init__("Error loading page: %s" % spec)
 
 
 class ContentSegment(object):
@@ -236,63 +264,59 @@
     return data
 
 
-def load_page(app, path, path_mtime=None):
+def load_page(source, content_item):
     try:
-        with app.env.timerScope('PageLoad'):
-            return _do_load_page(app, path, path_mtime)
+        with source.app.env.stats.timerScope('PageLoad'):
+            return _do_load_page(source, content_item)
     except Exception as e:
-        logger.exception(
-                "Error loading page: %s" %
-                os.path.relpath(path, app.root_dir))
-        _, __, traceback = sys.exc_info()
-        raise PageLoadingError(path, e).with_traceback(traceback)
+        logger.exception("Error loading page: %s" % content_item.spec)
+        raise PageLoadingError(content_item.spec) from e
 
 
-def _do_load_page(app, path, path_mtime):
+def _do_load_page(source, content_item):
     # Check the cache first.
+    app = source.app
     cache = app.cache.getCache('pages')
-    cache_path = hashlib.md5(path.encode('utf8')).hexdigest() + '.json'
-    page_time = path_mtime or os.path.getmtime(path)
+    cache_token = "%s@%s" % (source.name, content_item.spec)
+    cache_path = hashlib.md5(cache_token.encode('utf8')).hexdigest() + '.json'
+    page_time = source.getItemMtime(content_item)
     if cache.isValid(cache_path, page_time):
         cache_data = json.loads(
-                cache.read(cache_path),
-                object_pairs_hook=collections.OrderedDict)
+            cache.read(cache_path),
+            object_pairs_hook=collections.OrderedDict)
         config = PageConfiguration(
-                values=cache_data['config'],
-                validate=False)
+            values=cache_data['config'],
+            validate=False)
         content = json_load_segments(cache_data['content'])
         return config, content, True
 
     # Nope, load the page from the source file.
-    logger.debug("Loading page configuration from: %s" % path)
-    with open(path, 'r', encoding='utf-8') as fp:
+    logger.debug("Loading page configuration from: %s" % content_item.spec)
+    with source.openItem(content_item, 'r', encoding='utf-8') as fp:
         raw = fp.read()
     header, offset = parse_config_header(raw)
 
-    if 'format' not in header:
-        auto_formats = app.config.get('site/auto_formats')
-        name, ext = os.path.splitext(path)
-        header['format'] = auto_formats.get(ext, None)
-
     config = PageConfiguration(header)
     content = parse_segments(raw, offset)
     config.set('segments', list(content.keys()))
 
     # Save to the cache.
     cache_data = {
-            'config': config.getAll(),
-            'content': json_save_segments(content)}
+        'config': config.getAll(),
+        'content': json_save_segments(content)}
     cache.write(cache_path, json.dumps(cache_data))
 
+    app.env.stats.stepCounter('PageLoads')
+
     return config, content, False
 
 
 segment_pattern = re.compile(
-        r"""^\-\-\-\s*(?P<name>\w+)(\:(?P<fmt>\w+))?\s*\-\-\-\s*$""",
-        re.M)
+    r"""^\-\-\-\s*(?P<name>\w+)(\:(?P<fmt>\w+))?\s*\-\-\-\s*$""",
+    re.M)
 part_pattern = re.compile(
-        r"""^<\-\-\s*(?P<fmt>\w+)\s*\-\->\s*$""",
-        re.M)
+    r"""^<\-\-\s*(?P<fmt>\w+)\s*\-\->\s*$""",
+    re.M)
 
 
 def _count_lines(s):
@@ -323,7 +347,7 @@
     if not do_parse:
         seg = ContentSegment()
         seg.parts = [
-                ContentSegmentPart(raw[offset:], None, offset, current_line)]
+            ContentSegmentPart(raw[offset:], None, offset, current_line)]
         return {'content': seg}
 
     # Start parsing segments and parts.
@@ -337,7 +361,7 @@
             # There's some default content segment at the beginning.
             seg = ContentSegment()
             seg.parts, current_line = parse_segment_parts(
-                    raw, offset, first_offset, current_line)
+                raw, offset, first_offset, current_line)
             contents['content'] = seg
 
         for i in range(1, num_matches):
@@ -345,16 +369,16 @@
             m2 = matches[i]
             seg = ContentSegment()
             seg.parts, current_line = parse_segment_parts(
-                    raw, m1.end() + 1, m2.start(), current_line,
-                    m1.group('fmt'))
+                raw, m1.end() + 1, m2.start(), current_line,
+                m1.group('fmt'))
             contents[m1.group('name')] = seg
 
         # Handle text past the last match.
         lastm = matches[-1]
         seg = ContentSegment()
         seg.parts, current_line = parse_segment_parts(
-                raw, lastm.end() + 1, len(raw), current_line,
-                lastm.group('fmt'))
+            raw, lastm.end() + 1, len(raw), current_line,
+            lastm.group('fmt'))
         contents[lastm.group('name')] = seg
 
         return contents
@@ -362,7 +386,7 @@
         # No segments, just content.
         seg = ContentSegment()
         seg.parts, current_line = parse_segment_parts(
-                raw, offset, len(raw), current_line)
+            raw, offset, len(raw), current_line)
         return {'content': seg}
 
 
@@ -375,8 +399,8 @@
         # First part, before the first format change.
         part_text = raw[start:matches[0].start()]
         parts.append(
-                ContentSegmentPart(part_text, first_part_fmt, start,
-                                   line_offset))
+            ContentSegmentPart(part_text, first_part_fmt, start,
+                               line_offset))
         line_offset += _count_lines(part_text)
 
         for i in range(1, num_matches):
@@ -384,16 +408,16 @@
             m2 = matches[i]
             part_text = raw[m1.end() + 1:m2.start()]
             parts.append(
-                    ContentSegmentPart(
-                        part_text, m1.group('fmt'), m1.end() + 1,
-                        line_offset))
+                ContentSegmentPart(
+                    part_text, m1.group('fmt'), m1.end() + 1,
+                    line_offset))
             line_offset += _count_lines(part_text)
 
         lastm = matches[-1]
         part_text = raw[lastm.end() + 1:end]
         parts.append(ContentSegmentPart(
-                part_text, lastm.group('fmt'), lastm.end() + 1,
-                line_offset))
+            part_text, lastm.group('fmt'), lastm.end() + 1,
+            line_offset))
 
         return parts, line_offset
     else:
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/pipelines/_pagebaker.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,248 @@
+import os.path
+import queue
+import shutil
+import logging
+import threading
+import urllib.parse
+from piecrust.pipelines._pagerecords import SubPagePipelineRecordEntry
+from piecrust.rendering import RenderingContext, render_page
+from piecrust.sources.base import AbortedSourceUseError
+from piecrust.uriutil import split_uri
+
+
+logger = logging.getLogger(__name__)
+
+
+class BakingError(Exception):
+    pass
+
+
+class PageBaker(object):
+    def __init__(self, app, out_dir, force=False):
+        self.app = app
+        self.out_dir = out_dir
+        self.force = force
+        self.site_root = app.config.get('site/root')
+        self.pretty_urls = app.config.get('site/pretty_urls')
+        self._do_write = self._writeDirect
+        self._writer_queue = None
+        self._writer = None
+        self._stats = app.env.stats
+        self._rsr = app.env.rendered_segments_repository
+
+    def startWriterQueue(self):
+        self._writer_queue = queue.Queue()
+        self._writer = threading.Thread(
+            name='PageSerializer',
+            target=_text_writer,
+            args=(self._writer_queue,))
+        self._writer.start()
+        self._do_write = self._sendToWriterQueue
+
+    def stopWriterQueue(self):
+        self._writer_queue.put_nowait(None)
+        self._writer.join()
+
+    def _sendToWriterQueue(self, out_path, content):
+        self._writer_queue.put_nowait((out_path, content))
+
+    def _writeDirect(self, out_path, content):
+        with open(out_path, 'w', encoding='utf8') as fp:
+            fp.write(content)
+
+    def getOutputPath(self, uri, pretty_urls):
+        uri_root, uri_path = split_uri(self.app, uri)
+
+        bake_path = [self.out_dir]
+        decoded_uri = urllib.parse.unquote(uri_path)
+        if pretty_urls:
+            bake_path.append(decoded_uri)
+            bake_path.append('index.html')
+        elif decoded_uri == '':
+            bake_path.append('index.html')
+        else:
+            bake_path.append(decoded_uri)
+
+        return os.path.normpath(os.path.join(*bake_path))
+
+    def bake(self, page, prev_entry, cur_entry):
+        cur_sub = 1
+        has_more_subs = True
+        pretty_urls = page.config.get('pretty_urls', self.pretty_urls)
+
+        # Start baking the sub-pages.
+        while has_more_subs:
+            sub_uri = page.getUri(sub_num=cur_sub)
+            logger.debug("Baking '%s' [%d]..." % (sub_uri, cur_sub))
+
+            out_path = self.getOutputPath(sub_uri, pretty_urls)
+
+            # Create the sub-entry for the bake record.
+            cur_sub_entry = SubPagePipelineRecordEntry(sub_uri, out_path)
+
+            # Find a corresponding sub-entry in the previous bake record.
+            prev_sub_entry = None
+            if prev_entry is not None:
+                try:
+                    prev_sub_entry = prev_entry.getSub(cur_sub)
+                except IndexError:
+                    pass
+
+            # Figure out if we need to bake this page.
+            bake_status = _get_bake_status(page, out_path, self.force,
+                                           prev_sub_entry, cur_sub_entry)
+
+            # If this page didn't bake because it's already up-to-date.
+            # Keep trying for as many subs as we know this page has.
+            if bake_status == STATUS_CLEAN:
+                cur_sub_entry.render_info = prev_sub_entry.copyRenderInfo()
+                cur_sub_entry.flags = SubPagePipelineRecordEntry.FLAG_NONE
+                cur_entry.subs.append(cur_sub_entry)
+
+                if prev_entry.num_subs >= cur_sub + 1:
+                    cur_sub += 1
+                    has_more_subs = True
+                    logger.debug("  %s is up to date, skipping to next "
+                                 "sub-page." % out_path)
+                    continue
+
+                logger.debug("  %s is up to date, skipping bake." % out_path)
+                break
+
+            # All good, proceed.
+            try:
+                if bake_status == STATUS_INVALIDATE_AND_BAKE:
+                    cache_key = sub_uri
+                    self._rsr.invalidate(cache_key)
+                    cur_sub_entry.flags |= \
+                        SubPagePipelineRecordEntry.FLAG_FORMATTING_INVALIDATED
+
+                logger.debug("  p%d -> %s" % (cur_sub, out_path))
+                rp = self._bakeSingle(page, cur_sub, out_path)
+            except AbortedSourceUseError:
+                raise
+            except Exception as ex:
+                logger.exception(ex)
+                raise BakingError("%s: error baking '%s'." %
+                                  (page.content_spec, sub_uri)) from ex
+
+            # Record what we did.
+            cur_sub_entry.flags |= SubPagePipelineRecordEntry.FLAG_BAKED
+            cur_sub_entry.render_info = rp.copyRenderInfo()
+            cur_entry.subs.append(cur_sub_entry)
+
+            # Copy page assets.
+            if (cur_sub == 1 and
+                    cur_sub_entry.anyPass(lambda p: p.used_assets)):
+                if pretty_urls:
+                    out_assets_dir = os.path.dirname(out_path)
+                else:
+                    out_assets_dir, out_name = os.path.split(out_path)
+                    if sub_uri != self.site_root:
+                        out_name_noext, _ = os.path.splitext(out_name)
+                        out_assets_dir = os.path.join(out_assets_dir,
+                                                      out_name_noext)
+
+                logger.debug("Copying page assets to: %s" % out_assets_dir)
+                _ensure_dir_exists(out_assets_dir)
+                assetor = rp.data.get('assets')
+                if assetor is not None:
+                    for i in assetor._getAssetItems():
+                        fn = os.path.basename(i.spec)
+                        out_asset_path = os.path.join(out_assets_dir, fn)
+                        logger.debug("  %s -> %s" % (i.spec, out_asset_path))
+                        shutil.copy(i.spec, out_asset_path)
+
+            # Figure out if we have more work.
+            has_more_subs = False
+            if cur_sub_entry.anyPass(lambda p: p.pagination_has_more):
+                cur_sub += 1
+                has_more_subs = True
+
+    def _bakeSingle(self, page, sub_num, out_path):
+        ctx = RenderingContext(page, sub_num=sub_num)
+        page.source.prepareRenderContext(ctx)
+
+        with self._stats.timerScope("PageRender"):
+            rp = render_page(ctx)
+
+        with self._stats.timerScope("PageSerialize"):
+            self._do_write(out_path, rp.content)
+
+        return rp
+
+
+def _text_writer(q):
+    while True:
+        item = q.get()
+        if item is not None:
+            out_path, txt = item
+            out_dir = os.path.dirname(out_path)
+            _ensure_dir_exists(out_dir)
+
+            with open(out_path, 'w', encoding='utf8') as fp:
+                fp.write(txt)
+
+            q.task_done()
+        else:
+            # Sentinel object, terminate the thread.
+            q.task_done()
+            break
+
+
+STATUS_CLEAN = 0
+STATUS_BAKE = 1
+STATUS_INVALIDATE_AND_BAKE = 2
+
+
+def _get_bake_status(page, out_path, force, prev_sub_entry, cur_sub_entry):
+    # Figure out if we need to invalidate or force anything.
+    status = _compute_force_flags(prev_sub_entry, cur_sub_entry)
+    if status != STATUS_CLEAN:
+        return status
+
+    # Easy test.
+    if force:
+        return STATUS_BAKE
+
+    # Check for up-to-date outputs.
+    in_path_time = page.content_mtime
+    try:
+        out_path_time = os.path.getmtime(out_path)
+    except OSError:
+        # File doesn't exist, we'll need to bake.
+        return STATUS_BAKE
+
+    if out_path_time <= in_path_time:
+        return STATUS_BAKE
+
+    # Nope, all good.
+    return STATUS_CLEAN
+
+
+def _compute_force_flags(prev_sub_entry, cur_sub_entry):
+    if prev_sub_entry and prev_sub_entry.errors:
+        # Previous bake failed. We'll have to bake it again.
+        cur_sub_entry.flags |= \
+            SubPagePipelineRecordEntry.FLAG_FORCED_BY_PREVIOUS_ERRORS
+        return STATUS_BAKE
+
+    if not prev_sub_entry:
+        cur_sub_entry.flags |= \
+            SubPagePipelineRecordEntry.FLAG_FORCED_BY_NO_PREVIOUS
+        return STATUS_BAKE
+
+    return STATUS_CLEAN
+
+
+def _ensure_dir_exists(path):
+    try:
+        os.makedirs(path, mode=0o755, exist_ok=True)
+    except OSError:
+        # In a multiprocess environment, several process may very
+        # occasionally try to create the same directory at the same time.
+        # Let's ignore any error and if something's really wrong (like file
+        # acces permissions or whatever), then it will more legitimately fail
+        # just after this when we try to write files.
+        pass
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/pipelines/_pagerecords.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,147 @@
+import copy
+from piecrust.pipelines.records import RecordEntry, get_flag_descriptions
+
+
+class SubPagePipelineRecordEntry:
+    FLAG_NONE = 0
+    FLAG_BAKED = 2**0
+    FLAG_FORCED_BY_SOURCE = 2**1
+    FLAG_FORCED_BY_NO_PREVIOUS = 2**2
+    FLAG_FORCED_BY_PREVIOUS_ERRORS = 2**3
+    FLAG_FORMATTING_INVALIDATED = 2**4
+
+    def __init__(self, out_uri, out_path):
+        self.out_uri = out_uri
+        self.out_path = out_path
+        self.flags = self.FLAG_NONE
+        self.errors = []
+        self.render_info = [None, None]  # Same length as RENDER_PASSES
+
+    @property
+    def was_clean(self):
+        return (self.flags & self.FLAG_BAKED) == 0 and len(self.errors) == 0
+
+    @property
+    def was_baked(self):
+        return (self.flags & self.FLAG_BAKED) != 0
+
+    @property
+    def was_baked_successfully(self):
+        return self.was_baked and len(self.errors) == 0
+
+    def anyPass(self, func):
+        for pinfo in self.render_info:
+            if pinfo and func(pinfo):
+                return True
+        return False
+
+    def copyRenderInfo(self):
+        return copy.deepcopy(self.render_info)
+
+
+class PagePipelineRecordEntry(RecordEntry):
+    FLAG_NONE = 0
+    FLAG_NEW = 2**0
+    FLAG_SOURCE_MODIFIED = 2**1
+    FLAG_OVERRIDEN = 2**2
+    FLAG_COLLAPSED_FROM_LAST_RUN = 2**3
+
+    def __init__(self):
+        super().__init__()
+        self.flags = self.FLAG_NONE
+        self.config = None
+        self.timestamp = None
+        self.subs = []
+
+    @property
+    def was_touched(self):
+        return (self.flags & self.FLAG_SOURCE_MODIFIED) != 0
+
+    @property
+    def was_overriden(self):
+        return (self.flags & self.FLAG_OVERRIDEN) != 0
+
+    @property
+    def num_subs(self):
+        return len(self.subs)
+
+    @property
+    def was_any_sub_baked(self):
+        for o in self.subs:
+            if o.was_baked:
+                return True
+        return False
+
+    @property
+    def has_any_error(self):
+        if len(self.errors) > 0:
+            return True
+        for o in self.subs:
+            if len(o.errors) > 0:
+                return True
+        return False
+
+    def getSub(self, page_num):
+        return self.subs[page_num - 1]
+
+    def getAllErrors(self):
+        yield from self.errors
+        for o in self.subs:
+            yield from o.errors
+
+    def getAllUsedSourceNames(self):
+        res = set()
+        for o in self.subs:
+            for pinfo in o.render_info:
+                if pinfo:
+                    res |= pinfo.used_source_names
+        return res
+
+    def getAllOutputPaths(self):
+        for o in self.subs:
+            yield o.out_path
+
+    def describe(self):
+        d = super().describe()
+        d['Flags'] = get_flag_descriptions(self.flags, flag_descriptions)
+        for i, sub in enumerate(self.subs):
+            d['Sub%02d' % i] = {
+                'URI': sub.out_uri,
+                'Path': sub.out_path,
+                'Flags': get_flag_descriptions(
+                    sub.flags, sub_flag_descriptions),
+                'RenderInfo': [
+                    _describe_render_info(sub.render_info[0]),
+                    _describe_render_info(sub.render_info[1])
+                ]
+            }
+        return d
+
+
+flag_descriptions = {
+    PagePipelineRecordEntry.FLAG_NEW: 'new',
+    PagePipelineRecordEntry.FLAG_SOURCE_MODIFIED: 'touched',
+    PagePipelineRecordEntry.FLAG_OVERRIDEN: 'overriden',
+    PagePipelineRecordEntry.FLAG_COLLAPSED_FROM_LAST_RUN: 'from last run'}
+
+
+sub_flag_descriptions = {
+    SubPagePipelineRecordEntry.FLAG_BAKED: 'baked',
+    SubPagePipelineRecordEntry.FLAG_FORCED_BY_SOURCE: 'forced by source',
+    SubPagePipelineRecordEntry.FLAG_FORCED_BY_NO_PREVIOUS: 'forced b/c new',
+    SubPagePipelineRecordEntry.FLAG_FORCED_BY_PREVIOUS_ERRORS:
+    'forced by errors',
+    SubPagePipelineRecordEntry.FLAG_FORMATTING_INVALIDATED:
+    'formatting invalidated'
+}
+
+
+def _describe_render_info(ri):
+    if ri is None:
+        return '<null>'
+    return {
+        'UsedPagination': ri.used_pagination,
+        'PaginationHasMore': ri.pagination_has_more,
+        'UsedAssets': ri.used_assets,
+        'UsedSourceNames': ri.used_source_names
+    }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/pipelines/_procrecords.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,60 @@
+from piecrust.pipelines.records import (
+    RecordEntry, get_flag_descriptions)
+
+
+class AssetPipelineRecordEntry(RecordEntry):
+    FLAG_NONE = 0
+    FLAG_PREPARED = 2**0
+    FLAG_PROCESSED = 2**1
+    FLAG_BYPASSED_STRUCTURED_PROCESSING = 2**3
+    FLAG_COLLAPSED_FROM_LAST_RUN = 2**4
+
+    def __init__(self):
+        super().__init__()
+        self.flags = self.FLAG_NONE
+        self.proc_tree = None
+        self.out_paths = []
+
+    @property
+    def was_prepared(self):
+        return bool(self.flags & self.FLAG_PREPARED)
+
+    @property
+    def was_processed(self):
+        return (self.was_prepared and
+                (bool(self.flags & self.FLAG_PROCESSED) or
+                 len(self.errors) > 0))
+
+    @property
+    def was_processed_successfully(self):
+        return self.was_processed and not self.errors
+
+    @property
+    def was_collapsed_from_last_run(self):
+        return self.flags & self.FLAG_COLLAPSED_FROM_LAST_RUN
+
+    def describe(self):
+        d = super().describe()
+        d['Flags'] = get_flag_descriptions(self.flags, flag_descriptions)
+        d['Processing Tree'] = _format_proc_tree(self.proc_tree, 20 * ' ')
+        return d
+
+    def getAllOutputPaths(self):
+        return self.out_paths
+
+
+flag_descriptions = {
+    AssetPipelineRecordEntry.FLAG_PREPARED: 'prepared',
+    AssetPipelineRecordEntry.FLAG_PROCESSED: 'processed',
+    AssetPipelineRecordEntry.FLAG_BYPASSED_STRUCTURED_PROCESSING: 'external',
+    AssetPipelineRecordEntry.FLAG_COLLAPSED_FROM_LAST_RUN: 'from last run'}
+
+
+def _format_proc_tree(tree, margin='', level=0):
+    name, children = tree
+    res = '%s%s+ %s\n' % (margin if level > 0 else '', level * '  ', name)
+    if children:
+        for c in children:
+            res += _format_proc_tree(c, margin, level + 1)
+    return res
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/pipelines/_proctree.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,297 @@
+import os
+import time
+import os.path
+import logging
+from piecrust.chefutil import format_timed
+from piecrust.processing.base import FORCE_BUILD
+
+
+logger = logging.getLogger(__name__)
+
+
+STATE_UNKNOWN = 0
+STATE_DIRTY = 1
+STATE_CLEAN = 2
+
+
+class ProcessingTreeError(Exception):
+    pass
+
+
+class ProcessorNotFoundError(ProcessingTreeError):
+    pass
+
+
+class ProcessorError(ProcessingTreeError):
+    def __init__(self, proc_name, in_path, *args):
+        super(ProcessorError, self).__init__(*args)
+        self.proc_name = proc_name
+        self.in_path = in_path
+
+    def __str__(self):
+        return "Processor %s failed on: %s" % (self.proc_name, self.in_path)
+
+
+class ProcessingTreeNode(object):
+    def __init__(self, path, available_procs, level=0):
+        self.path = path
+        self.available_procs = available_procs
+        self.outputs = []
+        self.level = level
+        self.state = STATE_UNKNOWN
+        self._processor = None
+
+    def getProcessor(self):
+        if self._processor is None:
+            for p in self.available_procs:
+                if p.matches(self.path):
+                    self._processor = p
+                    self.available_procs.remove(p)
+                    break
+            else:
+                raise ProcessorNotFoundError()
+        return self._processor
+
+    def setState(self, state, recursive=True):
+        self.state = state
+        if recursive:
+            for o in self.outputs:
+                o.setState(state, True)
+
+    @property
+    def is_leaf(self):
+        return len(self.outputs) == 0
+
+    def getLeaves(self):
+        if self.is_leaf:
+            return [self]
+        leaves = []
+        for o in self.outputs:
+            for l in o.getLeaves():
+                leaves.append(l)
+        return leaves
+
+
+class ProcessingTreeBuilder(object):
+    def __init__(self, processors):
+        self.processors = processors
+
+    def build(self, path):
+        tree_root = ProcessingTreeNode(path, list(self.processors))
+
+        loop_guard = 100
+        walk_stack = [tree_root]
+        while len(walk_stack) > 0:
+            loop_guard -= 1
+            if loop_guard <= 0:
+                raise ProcessingTreeError("Infinite loop detected!")
+
+            cur_node = walk_stack.pop()
+            proc = cur_node.getProcessor()
+
+            # If the root tree node (and only that one) wants to bypass this
+            # whole tree business, so be it.
+            if proc.is_bypassing_structured_processing:
+                if cur_node != tree_root:
+                    raise ProcessingTreeError("Only root processors can "
+                                              "bypass structured processing.")
+                break
+
+            # Get the destination directory and output files.
+            rel_dir, basename = os.path.split(cur_node.path)
+            out_names = proc.getOutputFilenames(basename)
+            if out_names is None:
+                continue
+
+            for n in out_names:
+                out_node = ProcessingTreeNode(
+                    os.path.join(rel_dir, n),
+                    list(cur_node.available_procs),
+                    cur_node.level + 1)
+                cur_node.outputs.append(out_node)
+
+                if proc.PROCESSOR_NAME != 'copy':
+                    walk_stack.append(out_node)
+
+        return tree_root
+
+
+class ProcessingTreeRunner(object):
+    def __init__(self, base_dir, tmp_dir, out_dir):
+        self.base_dir = base_dir
+        self.tmp_dir = tmp_dir
+        self.out_dir = out_dir
+
+    def processSubTree(self, tree_root):
+        did_process = False
+        walk_stack = [tree_root]
+        while len(walk_stack) > 0:
+            cur_node = walk_stack.pop()
+
+            self._computeNodeState(cur_node)
+            if cur_node.state == STATE_DIRTY:
+                did_process_this_node = self.processNode(cur_node)
+                did_process |= did_process_this_node
+
+                if did_process_this_node:
+                    for o in cur_node.outputs:
+                        if not o.is_leaf:
+                            walk_stack.append(o)
+            else:
+                for o in cur_node.outputs:
+                    if not o.is_leaf:
+                        walk_stack.append(o)
+        return did_process
+
+    def processNode(self, node):
+        full_path = self._getNodePath(node)
+        proc = node.getProcessor()
+        if proc.is_bypassing_structured_processing:
+            try:
+                start_time = time.perf_counter()
+                with proc.app.env.stats.timerScope(proc.__class__.__name__):
+                    proc.process(full_path, self.out_dir)
+                print_node(
+                    node,
+                    format_timed(
+                        start_time, "(bypassing structured processing)",
+                        colored=False))
+                return True
+            except Exception as e:
+                raise ProcessorError(proc.PROCESSOR_NAME, full_path) from e
+
+        # All outputs of a node must go to the same directory, so we can get
+        # the output directory off of the first output.
+        base_out_dir = self._getNodeBaseDir(node.outputs[0])
+        rel_out_dir = os.path.dirname(node.path)
+        out_dir = os.path.join(base_out_dir, rel_out_dir)
+        if not os.path.isdir(out_dir):
+            try:
+                os.makedirs(out_dir, 0o755, exist_ok=True)
+            except OSError:
+                pass
+
+        try:
+            start_time = time.perf_counter()
+            with proc.app.env.stats.timerScope(proc.__class__.__name__):
+                proc_res = proc.process(full_path, out_dir)
+            if proc_res is None:
+                raise Exception("Processor '%s' didn't return a boolean "
+                                "result value." % proc)
+            if proc_res:
+                print_node(node, "-> %s" % out_dir)
+                return True
+            else:
+                print_node(node, "-> %s [clean]" % out_dir)
+                return False
+        except Exception as e:
+            raise ProcessorError(proc.PROCESSOR_NAME, full_path) from e
+
+    def _computeNodeState(self, node):
+        if node.state != STATE_UNKNOWN:
+            return
+
+        proc = node.getProcessor()
+        if (proc.is_bypassing_structured_processing or
+                not proc.is_delegating_dependency_check):
+            # This processor wants to handle things on its own...
+            node.setState(STATE_DIRTY, False)
+            return
+
+        start_time = time.perf_counter()
+
+        # Get paths and modification times for the input path and
+        # all dependencies (if any).
+        base_dir = self._getNodeBaseDir(node)
+        full_path = os.path.join(base_dir, node.path)
+        in_mtime = (full_path, os.path.getmtime(full_path))
+        force_build = False
+        try:
+            deps = proc.getDependencies(full_path)
+            if deps == FORCE_BUILD:
+                force_build = True
+            elif deps is not None:
+                for dep in deps:
+                    dep_mtime = os.path.getmtime(dep)
+                    if dep_mtime > in_mtime[1]:
+                        in_mtime = (dep, dep_mtime)
+        except Exception as e:
+            logger.warning("%s -- Will force-bake: %s" % (e, node.path))
+            node.setState(STATE_DIRTY, True)
+            return
+
+        if force_build:
+            # Just do what the processor told us to do.
+            node.setState(STATE_DIRTY, True)
+            message = "Processor requested a forced build."
+            print_node(node, message)
+        else:
+            # Get paths and modification times for the outputs.
+            message = None
+            for o in node.outputs:
+                full_out_path = self._getNodePath(o)
+                if not os.path.isfile(full_out_path):
+                    message = "Output '%s' doesn't exist." % o.path
+                    break
+                o_mtime = os.path.getmtime(full_out_path)
+                if o_mtime < in_mtime[1]:
+                    message = "Input '%s' is newer than output '%s'." % (
+                        in_mtime[0], o.path)
+                    break
+            if message is not None:
+                node.setState(STATE_DIRTY, True)
+                message += " Re-processing sub-tree."
+                print_node(node, message)
+            else:
+                node.setState(STATE_CLEAN, False)
+
+        if node.state == STATE_DIRTY:
+            state = "dirty"
+        elif node.state == STATE_CLEAN:
+            state = "clean"
+        else:
+            state = "unknown"
+        logger.debug(format_timed(start_time,
+                                  "Computed node dirtyness: %s" % state,
+                                  indent_level=node.level, colored=False))
+
+    def _getNodeBaseDir(self, node):
+        if node.level == 0:
+            return self.base_dir
+        if node.is_leaf:
+            return self.out_dir
+        return os.path.join(self.tmp_dir, str(node.level))
+
+    def _getNodePath(self, node):
+        base_dir = self._getNodeBaseDir(node)
+        return os.path.join(base_dir, node.path)
+
+
+def print_node(node, message=None, recursive=False):
+    indent = '  ' * node.level
+    try:
+        proc_name = node.getProcessor().PROCESSOR_NAME
+    except ProcessorNotFoundError:
+        proc_name = 'n/a'
+
+    message = message or ''
+    logger.debug('%s%s [%s] %s' % (indent, node.path, proc_name, message))
+
+    if recursive:
+        for o in node.outputs:
+            print_node(o, None, True)
+
+
+def get_node_name_tree(node):
+    try:
+        proc_name = node.getProcessor().PROCESSOR_NAME
+    except ProcessorNotFoundError:
+        proc_name = 'n/a'
+
+    children = []
+    for o in node.outputs:
+        if not o.outputs:
+            continue
+        children.append(get_node_name_tree(o))
+    return (proc_name, children)
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/pipelines/asset.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,189 @@
+import os
+import os.path
+import re
+import logging
+from piecrust.pipelines._procrecords import AssetPipelineRecordEntry
+from piecrust.pipelines._proctree import (
+    ProcessingTreeBuilder, ProcessingTreeRunner,
+    get_node_name_tree, print_node,
+    STATE_DIRTY)
+from piecrust.pipelines.base import ContentPipeline
+from piecrust.processing.base import ProcessorContext
+from piecrust.sources.fs import FSContentSourceBase
+
+
+logger = logging.getLogger(__name__)
+
+
+class AssetPipeline(ContentPipeline):
+    PIPELINE_NAME = 'asset'
+    RECORD_ENTRY_CLASS = AssetPipelineRecordEntry
+
+    def __init__(self, source, ppctx):
+        if not isinstance(source, FSContentSourceBase):
+            raise Exception(
+                "The asset pipeline only support file-system sources.")
+
+        super().__init__(source, ppctx)
+        self.enabled_processors = None
+        self.ignore_patterns = []
+        self._processors = None
+        self._base_dir = source.fs_endpoint_path
+
+    def initialize(self):
+        # Get the list of processors for this run.
+        processors = self.app.plugin_loader.getProcessors()
+        if self.enabled_processors is not None:
+            logger.debug("Filtering processors to: %s" %
+                         self.enabled_processors)
+            processors = get_filtered_processors(processors,
+                                                 self.enabled_processors)
+
+        # Invoke pre-processors.
+        proc_ctx = ProcessorContext(self)
+        for proc in processors:
+            proc.onPipelineStart(proc_ctx)
+
+        # Add any extra processors registered in the `onPipelineStart` step.
+        processors += proc_ctx.extra_processors
+
+        # Sort our processors by priority.
+        processors.sort(key=lambda p: p.priority)
+
+        # Ok, that's the list of processors for this run.
+        self._processors = processors
+
+        # Pre-processors can define additional ignore patterns so let's
+        # add them to what we had already.
+        self.ignore_patterns += make_re(proc_ctx.ignore_patterns)
+
+        # Register timers.
+        stats = self.app.env.stats
+        stats.registerTimer('BuildProcessingTree', raise_if_registered=False)
+        stats.registerTimer('RunProcessingTree', raise_if_registered=False)
+
+    def run(self, job, ctx, result):
+        # See if we need to ignore this item.
+        rel_path = os.path.relpath(job.content_item.spec, self._base_dir)
+        if re_matchany(rel_path, self.ignore_patterns):
+            return
+
+        record_entry = result.record_entry
+        stats = self.app.env.stats
+        out_dir = self.ctx.out_dir
+
+        # Build the processing tree for this job.
+        with stats.timerScope('BuildProcessingTree'):
+            builder = ProcessingTreeBuilder(self._processors)
+            tree_root = builder.build(rel_path)
+            record_entry.flags |= AssetPipelineRecordEntry.FLAG_PREPARED
+
+        # Prepare and run the tree.
+        print_node(tree_root, recursive=True)
+        leaves = tree_root.getLeaves()
+        record_entry.out_paths = [os.path.join(out_dir, l.path)
+                                  for l in leaves]
+        record_entry.proc_tree = get_node_name_tree(tree_root)
+        if tree_root.getProcessor().is_bypassing_structured_processing:
+            record_entry.flags |= (
+                AssetPipelineRecordEntry.FLAG_BYPASSED_STRUCTURED_PROCESSING)
+
+        if self.ctx.force:
+            tree_root.setState(STATE_DIRTY, True)
+
+        with stats.timerScope('RunProcessingTree'):
+            runner = ProcessingTreeRunner(
+                self._base_dir, self.tmp_dir, out_dir)
+            if runner.processSubTree(tree_root):
+                record_entry.flags |= (
+                    AssetPipelineRecordEntry.FLAG_PROCESSED)
+
+    def getDeletions(self, ctx):
+        for prev, cur in ctx.record_history.diffs:
+            if prev and not cur:
+                for p in prev.out_paths:
+                    yield (p, 'previous asset was removed')
+            elif prev and cur and cur.was_processed_successfully:
+                diff = set(prev.out_paths) - set(cur.out_paths)
+                for p in diff:
+                    yield (p, 'asset changed outputs')
+
+    def collapseRecords(self, ctx):
+        for prev, cur in ctx.record_history.diffs:
+            if prev and cur and not cur.was_processed:
+                # This asset wasn't processed, so the information from
+                # last time is still valid.
+                cur.flags = (
+                    (prev.flags & ~AssetPipelineRecordEntry.FLAG_PROCESSED) |
+                    AssetPipelineRecordEntry.FLAG_COLLAPSED_FROM_LAST_RUN)
+                cur.out_paths = list(prev.out_paths)
+                cur.errors = list(prev.errors)
+
+    def shutdown(self):
+        # Invoke post-processors.
+        proc_ctx = ProcessorContext(self)
+        for proc in self._processors:
+            proc.onPipelineEnd(proc_ctx)
+
+
+split_processor_names_re = re.compile(r'[ ,]+')
+
+
+def get_filtered_processors(processors, authorized_names):
+    if not authorized_names or authorized_names == 'all':
+        return processors
+
+    if isinstance(authorized_names, str):
+        authorized_names = split_processor_names_re.split(authorized_names)
+
+    procs = []
+    has_star = 'all' in authorized_names
+    for p in processors:
+        for name in authorized_names:
+            if name == p.PROCESSOR_NAME:
+                procs.append(p)
+                break
+            if name == ('-%s' % p.PROCESSOR_NAME):
+                break
+        else:
+            if has_star:
+                procs.append(p)
+    return procs
+
+
+def make_re(patterns):
+    re_patterns = []
+    for pat in patterns:
+        if pat[0] == '/' and pat[-1] == '/' and len(pat) > 2:
+            re_patterns.append(pat[1:-1])
+        else:
+            escaped_pat = (
+                re.escape(pat)
+                .replace(r'\*', r'[^/\\]*')
+                .replace(r'\?', r'[^/\\]'))
+            re_patterns.append(escaped_pat)
+    return [re.compile(p) for p in re_patterns]
+
+
+def re_matchany(rel_path, patterns):
+    # skip patterns use a forward slash regardless of the platform.
+    rel_path = rel_path.replace('\\', '/')
+    for pattern in patterns:
+        if pattern.search(rel_path):
+            return True
+    return False
+
+
+re_ansicolors = re.compile('\033\\[\d+m')
+
+
+def _get_errors(ex, strip_colors=False):
+    errors = []
+    while ex is not None:
+        msg = str(ex)
+        if strip_colors:
+            msg = re_ansicolors.sub('', msg)
+        errors.append(msg)
+        ex = ex.__cause__
+    return errors
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/pipelines/base.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,274 @@
+import os.path
+import logging
+from werkzeug.utils import cached_property
+from piecrust.configuration import ConfigurationError
+
+
+logger = logging.getLogger(__name__)
+
+
+class PipelineContext:
+    """ The context for running a content pipeline.
+    """
+    def __init__(self, out_dir, *,
+                 worker_id=-1, force=None):
+        self.out_dir = out_dir
+        self.worker_id = worker_id
+        self.force = force
+
+    @property
+    def is_worker(self):
+        """ Returns `True` if the content pipeline is running inside
+            a worker process, and this is the first one.
+        """
+        return self.worker_id >= 0
+
+    @property
+    def is_main_process(self):
+        """ Returns `True` is the content pipeline is running inside
+            the main process (and not a worker process). This is the case
+            if there are no worker processes at all.
+        """
+        return self.worker_id < 0
+
+
+class PipelineJob:
+    """ Base class for a pipline baking job.
+    """
+    def __init__(self, pipeline, content_item):
+        self.source_name = pipeline.source.name
+        self.record_name = pipeline.record_name
+        self.content_item = content_item
+        self.step_num = 0
+        self.data = {}
+
+
+class PipelineJobCreateContext:
+    """ Context for create pipeline baking jobs.
+    """
+    def __init__(self, step_num, record_histories):
+        self.step_num = step_num
+        self.record_histories = record_histories
+
+
+class PipelineJobRunContext:
+    """ Context for running pipeline baking jobs.
+    """
+    def __init__(self, job, record_name, record_histories):
+        self.job = job
+        self.record_name = record_name
+        self.record_histories = record_histories
+
+    @property
+    def content_item(self):
+        return self.job.content_item
+
+    @cached_property
+    def previous_record(self):
+        return self.record_histories.getPreviousRecord(self.record_name)
+
+    @cached_property
+    def record_entry_spec(self):
+        content_item = self.content_item
+        return content_item.metadata.get('record_entry_spec',
+                                         content_item.spec)
+
+    @cached_property
+    def previous_entry(self):
+        return self.previous_record.getEntry(self.record_entry_spec)
+
+
+class PipelineJobResult:
+    """ Result of running a pipeline on a content item.
+    """
+    def __init__(self):
+        self.record_entry = None
+        self.next_step_job = None
+
+
+class PipelineMergeRecordContext:
+    """ The context for merging a record entry for a second or higher pass
+        into the bake record.
+    """
+    def __init__(self, record, job, step_num):
+        self.record = record
+        self.job = job
+        self.step_num = step_num
+
+
+class PipelinePostJobRunContext:
+    def __init__(self, record_history):
+        self.record_history = record_history
+
+
+class PipelineDeletionContext:
+    def __init__(self, record_history):
+        self.record_history = record_history
+
+
+class PipelineCollapseRecordContext:
+    def __init__(self, record_history):
+        self.record_history = record_history
+
+
+class ContentPipeline:
+    """ A pipeline that processes content from a `ContentSource`.
+    """
+    PIPELINE_NAME = None
+    RECORD_ENTRY_CLASS = None
+    PASS_NUM = 0
+
+    def __init__(self, source, ctx):
+        self.source = source
+        self.ctx = ctx
+        self.record_name = '%s@%s' % (source.name, self.PIPELINE_NAME)
+
+        app = source.app
+        tmp_dir = app.cache_dir
+        if not tmp_dir:
+            import tempfile
+            tmp_dir = os.path.join(tempfile.gettempdir(), 'piecrust')
+        self.tmp_dir = os.path.join(tmp_dir, self.PIPELINE_NAME)
+
+    @property
+    def app(self):
+        return self.source.app
+
+    def initialize(self):
+        pass
+
+    def createJobs(self, ctx):
+        return [
+            self.createJob(item)
+            for item in self.source.getAllContents()]
+
+    def createJob(self, content_item):
+        return PipelineJob(self, content_item)
+
+    def createRecordEntry(self, job, ctx):
+        entry_class = self.RECORD_ENTRY_CLASS
+        record_entry = entry_class()
+        record_entry.item_spec = ctx.record_entry_spec
+        return record_entry
+
+    def mergeRecordEntry(self, record_entry, ctx):
+        raise NotImplementedError()
+
+    def run(self, job, ctx, result):
+        raise NotImplementedError()
+
+    def postJobRun(self, ctx):
+        pass
+
+    def getDeletions(self, ctx):
+        pass
+
+    def collapseRecords(self, ctx):
+        pass
+
+    def shutdown(self):
+        pass
+
+
+def get_record_name_for_source(source):
+    ppname = get_pipeline_name_for_source(source)
+    return '%s@%s' % (source.name, ppname)
+
+
+def get_pipeline_name_for_source(source):
+    pname = source.config['pipeline']
+    if not pname:
+        pname = source.DEFAULT_PIPELINE_NAME
+    if not pname:
+        raise ConfigurationError(
+            "Source '%s' doesn't specify any pipeline." % source.name)
+    return pname
+
+
+class PipelineManager:
+    def __init__(self, app, out_dir, record_histories, *,
+                 worker_id=-1, force=False):
+        self.app = app
+        self.record_histories = record_histories
+        self.out_dir = out_dir
+        self.worker_id = worker_id
+        self.force = force
+
+        self._pipeline_classes = {}
+        for pclass in app.plugin_loader.getPipelines():
+            self._pipeline_classes[pclass.PIPELINE_NAME] = pclass
+
+        self._pipelines = {}
+
+    def getPipeline(self, source_name):
+        return self._pipelines[source_name]
+
+    def getPipelines(self):
+        return self._pipelines.values()
+
+    def createPipeline(self, source):
+        if source.name in self._pipelines:
+            raise ValueError("Pipeline for source '%s' was already created." %
+                             source.name)
+
+        pname = get_pipeline_name_for_source(source)
+        ppctx = PipelineContext(self.out_dir,
+                                worker_id=self.worker_id, force=self.force)
+        pp = self._pipeline_classes[pname](source, ppctx)
+        pp.initialize()
+
+        record_history = self.record_histories.getHistory(pp.record_name)
+
+        info = _PipelineInfo(pp, record_history)
+        self._pipelines[source.name] = info
+        return info
+
+    def postJobRun(self):
+        for ppinfo in self.getPipelines():
+            ppinfo.record_history.build()
+
+        for ppinfo in self.getPipelines():
+            ctx = PipelinePostJobRunContext(ppinfo.record_history)
+            ppinfo.pipeline.postJobRun(ctx)
+
+    def deleteStaleOutputs(self):
+        for ppinfo in self.getPipelines():
+            ctx = PipelineDeletionContext(ppinfo.record_history)
+            to_delete = ppinfo.pipeline.getDeletions(ctx)
+            current_record = ppinfo.record_history.current
+            if to_delete is not None:
+                for path, reason in to_delete:
+                    logger.debug("Removing '%s': %s" % (path, reason))
+                    current_record.deleted_out_paths.append(path)
+                    try:
+                        os.remove(path)
+                    except FileNotFoundError:
+                        pass
+                    logger.info('[delete] %s' % path)
+
+    def collapseRecords(self):
+        for ppinfo in self.getPipelines():
+            ctx = PipelineCollapseRecordContext(ppinfo.record_history)
+            ppinfo.pipeline.collapseRecords(ctx)
+
+    def shutdownPipelines(self):
+        for ppinfo in self.getPipelines():
+            ppinfo.pipeline.shutdown()
+
+        self._pipelines = {}
+
+
+class _PipelineInfo:
+    def __init__(self, pipeline, record_history):
+        self.pipeline = pipeline
+        self.record_history = record_history
+        self.userdata = None
+
+    @property
+    def source(self):
+        return self.pipeline.source
+
+    @property
+    def pipeline_name(self):
+        return self.pipeline.PIPELINE_NAME
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/pipelines/page.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,146 @@
+import logging
+from piecrust.pipelines.base import ContentPipeline
+from piecrust.pipelines._pagebaker import PageBaker
+from piecrust.pipelines._pagerecords import PagePipelineRecordEntry
+from piecrust.sources.base import AbortedSourceUseError
+
+
+logger = logging.getLogger(__name__)
+
+
+class PagePipeline(ContentPipeline):
+    PIPELINE_NAME = 'page'
+    RECORD_ENTRY_CLASS = PagePipelineRecordEntry
+
+    def __init__(self, source, ppctx):
+        super().__init__(source, ppctx)
+        self._pagebaker = None
+        self._stats = source.app.env.stats
+
+    def initialize(self):
+        stats = self.app.env.stats
+        stats.registerCounter('SourceUseAbortions', raise_if_registered=False)
+        stats.registerManifest('SourceUseAbortions', raise_if_registered=False)
+
+        self._pagebaker = PageBaker(self.app,
+                                    self.ctx.out_dir,
+                                    force=self.ctx.force)
+        self._pagebaker.startWriterQueue()
+
+    def createJobs(self, ctx):
+        used_paths = {}
+        for rec in ctx.record_histories.current.records:
+            src_name = rec.name.split('@')[0]
+            for e in rec.getEntries():
+                paths = e.getAllOutputPaths()
+                if paths is not None:
+                    for p in paths:
+                        used_paths[p] = (src_name, e)
+
+        jobs = []
+        route = self.source.route
+        pretty_urls = self.app.config.get('site/pretty_urls')
+        record = ctx.record_histories.current.getRecord(self.record_name)
+
+        for item in self.source.getAllContents():
+            route_params = item.metadata['route_params']
+            uri = route.getUri(route_params)
+            path = self._pagebaker.getOutputPath(uri, pretty_urls)
+            override = used_paths.get(path)
+            if override is not None:
+                override_source_name, override_entry = override
+                override_source = self.app.getSource(override_source_name)
+                if override_source.config['realm'] == \
+                        self.source.config['realm']:
+                    logger.error(
+                        "Page '%s' would get baked to '%s' "
+                        "but is overriden by '%s'." %
+                        (item.spec, path, override_entry.item_spec))
+                else:
+                    logger.debug(
+                        "Page '%s' would get baked to '%s' "
+                        "but is overriden by '%s'." %
+                        (item.spec, path, override_entry.item_spec))
+
+                entry = PagePipelineRecordEntry()
+                entry.item_spec = item.spec
+                entry.flags |= PagePipelineRecordEntry.FLAG_OVERRIDEN
+                record.addEntry(entry)
+
+                continue
+
+            jobs.append(self.createJob(item))
+
+        if len(jobs) > 0:
+            return jobs
+        return None
+
+    def mergeRecordEntry(self, record_entry, ctx):
+        existing = ctx.record.getEntry(record_entry.item_spec)
+        existing.errors += record_entry.errors
+        existing.flags |= record_entry.flags
+        existing.subs = record_entry.subs
+
+    def run(self, job, ctx, result):
+        step_num = job.step_num
+        if step_num == 0:
+            self._loadPage(job.content_item, ctx, result)
+        elif step_num == 1:
+            self._renderOrPostpone(job.content_item, ctx, result)
+        elif step_num == 2:
+            self._renderAlways(job.content_item, ctx, result)
+
+    def getDeletions(self, ctx):
+        for prev, cur in ctx.record_history.diffs:
+            if prev and not cur:
+                for sub in prev.subs:
+                    yield (sub.out_path, 'previous source file was removed')
+            elif prev and cur:
+                prev_out_paths = [o.out_path for o in prev.subs]
+                cur_out_paths = [o.out_path for o in cur.subs]
+                diff = set(prev_out_paths) - set(cur_out_paths)
+                for p in diff:
+                    yield (p, 'source file changed outputs')
+
+    def collapseRecords(self, ctx):
+        pass
+
+    def shutdown(self):
+        self._pagebaker.stopWriterQueue()
+
+    def _loadPage(self, content_item, ctx, result):
+        logger.debug("Loading page: %s" % content_item.spec)
+        page = self.app.getPage(self.source, content_item)
+        record_entry = result.record_entry
+        record_entry.config = page.config.getAll()
+        record_entry.timestamp = page.datetime.timestamp()
+        result.next_step_job = self.createJob(content_item)
+
+    def _renderOrPostpone(self, content_item, ctx, result):
+        # Here our job is to render the page's segments so that they're
+        # cached in memory and on disk... unless we detect that the page
+        # is using some other sources, in which case we abort and we'll try
+        # again on the second pass.
+        logger.debug("Conditional render for: %s" % content_item.spec)
+        page = self.app.getPage(self.source, content_item)
+        prev_entry = ctx.previous_entry
+        cur_entry = result.record_entry
+        self.app.env.abort_source_use = True
+        try:
+            self._pagebaker.bake(page, prev_entry, cur_entry)
+        except AbortedSourceUseError:
+            logger.debug("Page was aborted for using source: %s" %
+                         content_item.spec)
+            self.app.env.stats.stepCounter("SourceUseAbortions")
+            self.app.env.stats.addManifestEntry("SourceUseAbortions",
+                                                content_item.spec)
+            result.next_step_job = self.createJob(content_item)
+        finally:
+            self.app.env.abort_source_use = False
+
+    def _renderAlways(self, content_item, ctx, result):
+        logger.debug("Full render for: %s" % content_item.spec)
+        page = self.app.getPage(self.source, content_item)
+        prev_entry = ctx.previous_entry
+        cur_entry = result.record_entry
+        self._pagebaker.bake(page, prev_entry, cur_entry)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/pipelines/records.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,262 @@
+import os
+import os.path
+import pickle
+import hashlib
+import logging
+from piecrust import APP_VERSION
+
+
+logger = logging.getLogger(__name__)
+
+
+class RecordEntry:
+    """ An entry in a record, for a specific content item.
+    """
+    def __init__(self):
+        self.item_spec = None
+        self.errors = []
+
+    @property
+    def success(self):
+        return len(self.errors) == 0
+
+    def describe(self):
+        return {}
+
+    def getAllOutputPaths(self):
+        return None
+
+    def getAllErrors(self):
+        return self.errors
+
+
+class Record:
+    """ A class that represents a 'record' of a bake operation on a
+        content source.
+    """
+    def __init__(self, name):
+        self.name = name
+        self.deleted_out_paths = []
+        self.success = True
+        self._entries = {}
+
+    @property
+    def entry_count(self):
+        return len(self._entries)
+
+    def addEntry(self, entry):
+        if entry.item_spec in self._entries:
+            raise ValueError("Entry '%s' is already in the record." %
+                             entry.item_spec)
+        self._entries[entry.item_spec] = entry
+
+    def getEntries(self):
+        return self._entries.values()
+
+    def getEntry(self, item_spec):
+        return self._entries.get(item_spec)
+
+
+class MultiRecord:
+    """ A container that includes multiple `Record` instances -- one for
+        each content source that was baked.
+    """
+    RECORD_VERSION = 12
+
+    def __init__(self):
+        self.records = []
+        self.success = True
+        self.bake_time = 0
+        self.incremental_count = 0
+        self.invalidated = False
+        self.stats = None
+        self._app_version = APP_VERSION
+        self._record_version = self.RECORD_VERSION
+
+    def getRecord(self, record_name, auto_create=True):
+        for r in self.records:
+            if r.name == record_name:
+                return r
+        if not auto_create:
+            raise Exception("No such record: %s" % record_name)
+        record = Record(record_name)
+        self.records.append(record)
+        return record
+
+    def save(self, path):
+        path_dir = os.path.dirname(path)
+        if not os.path.isdir(path_dir):
+            os.makedirs(path_dir, 0o755)
+
+        with open(path, 'wb') as fp:
+            pickle.dump(self, fp, pickle.HIGHEST_PROTOCOL)
+
+    @staticmethod
+    def load(path):
+        logger.debug("Loading bake records from: %s" % path)
+        with open(path, 'rb') as fp:
+            return pickle.load(fp)
+
+
+def get_flag_descriptions(flags, flag_descriptions):
+    res = []
+    for k, v in flag_descriptions.items():
+        if flags & k:
+            res.append(v)
+    if res:
+        return ', '.join(res)
+    return 'none'
+
+
+def _are_records_valid(multi_record):
+    return (multi_record._app_version == APP_VERSION and
+            multi_record._record_version == MultiRecord.RECORD_VERSION)
+
+
+def load_records(path):
+    try:
+        multi_record = MultiRecord.load(path)
+    except Exception as ex:
+        logger.debug("Error loading records from: %s" % path)
+        logger.debug(ex)
+        logger.debug("Will use empty records.")
+        multi_record = None
+
+    was_invalid = False
+    if multi_record is not None and not _are_records_valid(multi_record):
+        logger.debug(
+            "Records from '%s' have old version: %s/%s." %
+            (path, multi_record._app_version, multi_record._record_version))
+        logger.debug("Will use empty records.")
+        multi_record = None
+        was_invalid = True
+
+    if multi_record is None:
+        multi_record = MultiRecord()
+        multi_record.invalidated = was_invalid
+
+    return multi_record
+
+
+class RecordHistory:
+    def __init__(self, previous, current):
+        if previous is None or current is None:
+            raise ValueError()
+
+        if previous.name != current.name:
+            raise Exception("The two records must have the same name! "
+                            "Got '%s' and '%s'." %
+                            (previous.name, current.name))
+
+        self._previous = previous
+        self._current = current
+        self._diffs = None
+
+    @property
+    def name(self):
+        return self._current.name
+
+    @property
+    def current(self):
+        return self._current
+
+    @property
+    def previous(self):
+        return self._previous
+
+    @property
+    def diffs(self):
+        if self._diffs is None:
+            raise Exception("This record history hasn't been built yet.")
+        return self._diffs.values()
+
+    def getPreviousEntry(self, item_spec):
+        key = _build_diff_key(item_spec)
+        return self._diffs[key][0]
+
+    def getCurrentEntry(self, item_spec):
+        key = _build_diff_key(item_spec)
+        return self._diffs[key][1]
+
+    def build(self):
+        if self._diffs is not None:
+            raise Exception("This record history has already been built.")
+
+        self._diffs = {}
+        if self._previous is not None:
+            for e in self._previous.getEntries():
+                key = _build_diff_key(e.item_spec)
+                self._diffs[key] = (e, None)
+
+        if self._current is not None:
+            for e in self._current.getEntries():
+                key = _build_diff_key(e.item_spec)
+                diff = self._diffs.get(key)
+                if diff is None:
+                    self._diffs[key] = (None, e)
+                elif diff[1] is None:
+                    self._diffs[key] = (diff[0], e)
+                else:
+                    raise Exception(
+                        "A current record entry already exists for '%s' "
+                        "(%s)" % (key, diff[1].item_spec))
+
+
+class MultiRecordHistory:
+    """ Tracks the differences between an 'old' and a 'new' record
+        container.
+    """
+    def __init__(self, previous, current):
+        if previous is None or current is None:
+            raise ValueError()
+
+        self.previous = previous
+        self.current = current
+        self.histories = []
+        self._linkHistories(previous, current)
+
+    def getPreviousRecord(self, record_name, auto_create=True):
+        return self.previous.getRecord(record_name, auto_create=auto_create)
+
+    def getCurrentRecord(self, record_name):
+        return self.current.getRecord(record_name)
+
+    def getHistory(self, record_name):
+        for h in self.histories:
+            if h.name == record_name:
+                return h
+
+        rh = RecordHistory(
+            Record(record_name),
+            Record(record_name))
+        self.histories.append(rh)
+        self.previous.records.append(rh.previous)
+        self.current.records.append(rh.current)
+        return rh
+
+    def _linkHistories(self, previous, current):
+        pairs = {}
+        if previous:
+            for r in previous.records:
+                pairs[r.name] = (r, None)
+        if current:
+            for r in current.records:
+                p = pairs.get(r.name, (None, None))
+                if p[1] is not None:
+                    raise Exception("Got several records named: %s" % r.name)
+                pairs[r.name] = (p[0], r)
+
+        for name, pair in pairs.items():
+            p, c = pair
+            if p is None:
+                p = Record(name)
+                previous.records.append(p)
+            if c is None:
+                c = Record(name)
+                current.records.append(c)
+            self.histories.append(RecordHistory(p, c))
+
+
+def _build_diff_key(item_spec):
+    return hashlib.md5(item_spec.encode('utf8')).hexdigest()
+
--- a/piecrust/plugins/base.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/plugins/base.py	Fri Sep 29 17:05:09 2017 -0700
@@ -39,7 +39,7 @@
     def getSources(self):
         return []
 
-    def getPageGenerators(self):
+    def getPipelines(self):
         return []
 
     def getPublishers(self):
@@ -62,15 +62,15 @@
 
     def getFormatters(self):
         return self._getPluginComponents(
-                'getFormatters',
-                initialize=True, register_timer=True,
-                order_key=lambda f: f.priority)
+            'getFormatters',
+            initialize=True, register_timer=True,
+            order_key=lambda f: f.priority)
 
     def getTemplateEngines(self):
         return self._getPluginComponents(
-                'getTemplateEngines',
-                initialize=True, register_timer=True,
-                register_timer_suffixes=['_segment', '_layout'])
+            'getTemplateEngines',
+            initialize=True, register_timer=True,
+            register_timer_suffixes=['_segment', '_layout'])
 
     def getTemplateEngineExtensions(self, engine_name):
         return self._getPluginComponents('getTemplateEngineExtensions',
@@ -81,9 +81,9 @@
 
     def getProcessors(self):
         return self._getPluginComponents(
-                'getProcessors',
-                initialize=True, register_timer=True,
-                order_key=lambda p: p.priority)
+            'getProcessors',
+            initialize=True, register_timer=True,
+            order_key=lambda p: p.priority)
 
     def getImporters(self):
         return self._getPluginComponents('getImporters')
@@ -100,8 +100,8 @@
     def getSources(self):
         return self._getPluginComponents('getSources')
 
-    def getPageGenerators(self):
-        return self._getPluginComponents('getPageGenerators')
+    def getPipelines(self):
+        return self._getPluginComponents('getPipelines')
 
     def getPublishers(self):
         return self._getPluginComponents('getPublishers')
@@ -117,7 +117,8 @@
         if to_install:
             for name in to_install:
                 plugin = self._loadPlugin(name)
-                self._plugins.append(plugin)
+                if plugin is not None:
+                    self._plugins.append(plugin)
 
         for plugin in self._plugins:
             plugin.initialize(self.app)
@@ -130,7 +131,7 @@
         except ImportError as ex:
             mod = None
 
-        if mod is None:
+        if mod is None and self.app.plugins_dir:
             # Import as a loose Python file from the plugins dir.
             pfile = os.path.join(self.app.plugins_dir, plugin_name + '.py')
             if os.path.isfile(pfile):
@@ -142,7 +143,6 @@
 
         if mod is None:
             logger.error("Failed to load plugin '%s'." % plugin_name)
-            logger.error(ex)
             return
 
         plugin_class = getattr(mod, '__piecrust_plugin__', None)
@@ -180,10 +180,11 @@
             if register_timer:
                 for comp in plugin_components:
                     if not register_timer_suffixes:
-                        self.app.env.registerTimer(comp.__class__.__name__)
+                        self.app.env.stats.registerTimer(
+                            comp.__class__.__name__)
                     else:
                         for s in register_timer_suffixes:
-                            self.app.env.registerTimer(
+                            self.app.env.stats.registerTimer(
                                 comp.__class__.__name__ + s)
 
         if order_key is not None:
--- a/piecrust/plugins/builtin.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/plugins/builtin.py	Fri Sep 29 17:05:09 2017 -0700
@@ -16,8 +16,8 @@
         from piecrust.commands.builtin.plugins import PluginsCommand
         from piecrust.commands.builtin.publishing import PublishCommand
         from piecrust.commands.builtin.scaffolding import PrepareCommand
-        from piecrust.commands.builtin.serving import (ServeCommand)
-        from piecrust.commands.builtin.themes import (ThemesCommand)
+        from piecrust.commands.builtin.serving import ServeCommand
+        from piecrust.commands.builtin.themes import ThemesCommand
         from piecrust.commands.builtin.util import (
             InitCommand, PurgeCommand, ImportCommand)
 
@@ -53,36 +53,47 @@
             DefaultPrepareTemplatesHelpTopic()]
 
     def getSources(self):
-        from piecrust.sources.default import DefaultPageSource
+        from piecrust.sources.autoconfig import (
+            AutoConfigContentSource, OrderedContentSource)
+        from piecrust.sources.blogarchives import BlogArchivesSource
+        from piecrust.sources.default import DefaultContentSource
+        from piecrust.sources.fs import FSContentSource
         from piecrust.sources.posts import (
-                FlatPostsSource, ShallowPostsSource, HierarchyPostsSource)
-        from piecrust.sources.autoconfig import (
-                AutoConfigSource, OrderedPageSource)
+            FlatPostsSource, ShallowPostsSource, HierarchyPostsSource)
         from piecrust.sources.prose import ProseSource
+        from piecrust.sources.taxonomy import TaxonomySource
 
         return [
-            DefaultPageSource,
+            AutoConfigContentSource,
+            BlogArchivesSource,
+            DefaultContentSource,
+            FSContentSource,
             FlatPostsSource,
-            ShallowPostsSource,
             HierarchyPostsSource,
-            AutoConfigSource,
-            OrderedPageSource,
-            ProseSource]
+            OrderedContentSource,
+            ProseSource,
+            ShallowPostsSource,
+            TaxonomySource]
 
-    def getPageGenerators(self):
-        from piecrust.generation.blogarchives import BlogArchivesPageGenerator
-        from piecrust.generation.taxonomy import TaxonomyPageGenerator
+    def getPipelines(self):
+        from piecrust.pipelines.page import PagePipeline
+        from piecrust.pipelines.asset import AssetPipeline
+        from piecrust.sources.taxonomy import TaxonomyPipeline
+        from piecrust.sources.blogarchives import BlogArchivesPipeline
 
         return [
-            TaxonomyPageGenerator,
-            BlogArchivesPageGenerator]
+            PagePipeline,
+            AssetPipeline,
+            TaxonomyPipeline,
+            BlogArchivesPipeline]
 
     def getDataProviders(self):
-        from piecrust.data.provider import (
-            IteratorDataProvider, BlogDataProvider)
+        from piecrust.dataproviders.pageiterator import \
+            PageIteratorDataProvider
+        from piecrust.dataproviders.blog import BlogDataProvider
 
         return [
-            IteratorDataProvider,
+            PageIteratorDataProvider,
             BlogDataProvider]
 
     def getTemplateEngines(self):
@@ -107,10 +118,10 @@
             TextileFormatter()]
 
     def getProcessors(self):
-        from piecrust.processing.base import CopyFileProcessor
         from piecrust.processing.compass import CompassProcessor
         from piecrust.processing.compressors import (
             CleanCssProcessor, UglifyJSProcessor)
+        from piecrust.processing.copy import CopyFileProcessor
         from piecrust.processing.less import LessProcessor
         from piecrust.processing.pygments_style import PygmentsStyleProcessor
         from piecrust.processing.requirejs import RequireJSProcessor
@@ -141,11 +152,13 @@
             WordpressXmlImporter()]
 
     def getPublishers(self):
+        from piecrust.publishing.copy import CopyPublisher
         from piecrust.publishing.sftp import SftpPublisher
         from piecrust.publishing.shell import ShellCommandPublisher
         from piecrust.publishing.rsync import RsyncPublisher
 
         return [
+            CopyPublisher,
             ShellCommandPublisher,
             SftpPublisher,
             RsyncPublisher]
--- a/piecrust/processing/base.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/processing/base.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,4 +1,3 @@
-import shutil
 import os.path
 import logging
 
@@ -11,26 +10,31 @@
 PRIORITY_LAST = 1
 
 
-class PipelineContext(object):
-    def __init__(self, worker_id, app, out_dir, tmp_dir, force=None):
-        self.worker_id = worker_id
-        self.app = app
-        self.out_dir = out_dir
-        self.tmp_dir = tmp_dir
-        self.force = force
-        self.record = None
-        self._additional_ignore_patterns = []
+FORCE_BUILD = object()
+
+
+class ProcessorContext:
+    def __init__(self, pipeline):
+        self.ignore_patterns = []
+        self.extra_processors = []
+        self._pipeline = pipeline
+        self._pipeline_ctx = pipeline.ctx
 
     @property
-    def is_first_worker(self):
-        return self.worker_id == 0
+    def tmp_dir(self):
+        return self._pipeline.tmp_dir
 
     @property
-    def is_pipeline_process(self):
-        return self.worker_id < 0
+    def out_dir(self):
+        return self._pipeline_ctx.out_dir
 
-    def addIgnorePatterns(self, patterns):
-        self._additional_ignore_patterns += patterns
+    @property
+    def worker_id(self):
+        return self._pipeline_ctx.worker_id
+
+    @property
+    def is_main_process(self):
+        return self._pipeline_ctx.is_main_process
 
 
 class Processor(object):
@@ -63,24 +67,12 @@
         pass
 
 
-class CopyFileProcessor(Processor):
-    PROCESSOR_NAME = 'copy'
-
-    def __init__(self):
-        super(CopyFileProcessor, self).__init__()
-        self.priority = PRIORITY_LAST
+class ExternalProcessException(Exception):
+    def __init__(self, stderr_data):
+        self.stderr_data = stderr_data
 
-    def matches(self, path):
-        return True
-
-    def getOutputFilenames(self, filename):
-        return [filename]
-
-    def process(self, path, out_dir):
-        out_path = os.path.join(out_dir, os.path.basename(path))
-        logger.debug("Copying: %s -> %s" % (path, out_path))
-        shutil.copyfile(path, out_path)
-        return True
+    def __str__(self):
+        return self.stderr_data
 
 
 class SimpleFileProcessor(Processor):
@@ -109,12 +101,3 @@
     def _doProcess(self, in_path, out_path):
         raise NotImplementedError()
 
-
-class ExternalProcessException(Exception):
-    def __init__(self, stderr_data):
-        self.stderr_data = stderr_data
-
-    def __str__(self):
-        return self.stderr_data
-
-
--- a/piecrust/processing/compass.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/processing/compass.py	Fri Sep 29 17:05:09 2017 -0700
@@ -28,13 +28,13 @@
     def initialize(self, app):
         super(CompassProcessor, self).initialize(app)
 
-    def onPipelineStart(self, pipeline):
-        super(CompassProcessor, self).onPipelineStart(pipeline)
-        self._maybeActivate(pipeline)
+    def onPipelineStart(self, ctx):
+        super(CompassProcessor, self).onPipelineStart(ctx)
+        self._maybeActivate(ctx)
 
-    def onPipelineEnd(self, pipeline):
-        super(CompassProcessor, self).onPipelineEnd(pipeline)
-        self._maybeRunCompass(pipeline)
+    def onPipelineEnd(self, ctx):
+        super(CompassProcessor, self).onPipelineEnd(ctx)
+        self._maybeRunCompass(ctx)
 
     def matches(self, path):
         if self._state != self.STATE_ACTIVE:
@@ -62,7 +62,7 @@
                              "is done.")
                 self._runInSite = True
 
-    def _maybeActivate(self, pipeline):
+    def _maybeActivate(self, ctx):
         if self._state != self.STATE_UNKNOWN:
             return
 
@@ -95,17 +95,17 @@
         if custom_args:
             self._args += ' ' + custom_args
 
-        out_dir = pipeline.out_dir
-        tmp_dir = os.path.join(pipeline.tmp_dir, 'compass')
+        out_dir = ctx.out_dir
+        tmp_dir = os.path.join(ctx.tmp_dir, 'compass')
         self._args = multi_replace(
-                self._args,
-                {'%out_dir%': out_dir,
-                    '%tmp_dir%': tmp_dir})
+            self._args,
+            {'%out_dir%': out_dir,
+             '%tmp_dir%': tmp_dir})
 
         self._runInSite = False
         self._runInTheme = False
 
-    def _maybeRunCompass(self, pipeline):
+    def _maybeRunCompass(self, ctx):
         if self._state != self.STATE_ACTIVE:
             return
 
--- a/piecrust/processing/compressors.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/processing/compressors.py	Fri Sep 29 17:05:09 2017 -0700
@@ -17,7 +17,7 @@
         self._conf = None
 
     def matches(self, path):
-        return path.endswith('.css')
+        return path.endswith('.css') and not path.endswith('.min.css')
 
     def getOutputFilenames(self, filename):
         self._ensureInitialized()
@@ -73,6 +73,9 @@
         super(UglifyJSProcessor, self).__init__({'js': 'js'})
         self._conf = None
 
+    def matches(self, path):
+        return path.endswith('.js') and not path.endswith('.min.js')
+
     def _doProcess(self, in_path, out_path):
         self._ensureInitialized()
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/processing/copy.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,27 @@
+import os.path
+import shutil
+import logging
+from piecrust.processing.base import Processor, PRIORITY_LAST
+
+
+logger = logging.getLogger(__name__)
+
+
+class CopyFileProcessor(Processor):
+    PROCESSOR_NAME = 'copy'
+
+    def __init__(self):
+        super(CopyFileProcessor, self).__init__()
+        self.priority = PRIORITY_LAST
+
+    def matches(self, path):
+        return True
+
+    def getOutputFilenames(self, filename):
+        return [filename]
+
+    def process(self, path, out_dir):
+        out_path = os.path.join(out_dir, os.path.basename(path))
+        logger.debug("Copying: %s -> %s" % (path, out_path))
+        shutil.copyfile(path, out_path)
+        return True
--- a/piecrust/processing/less.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/processing/less.py	Fri Sep 29 17:05:09 2017 -0700
@@ -7,8 +7,7 @@
 import platform
 import subprocess
 from piecrust.processing.base import (
-        SimpleFileProcessor, ExternalProcessException)
-from piecrust.processing.tree import FORCE_BUILD
+    SimpleFileProcessor, ExternalProcessException, FORCE_BUILD)
 
 
 logger = logging.getLogger(__name__)
@@ -22,9 +21,9 @@
         self._conf = None
         self._map_dir = None
 
-    def onPipelineStart(self, pipeline):
-        self._map_dir = os.path.join(pipeline.tmp_dir, 'less')
-        if (pipeline.is_first_worker and
+    def onPipelineStart(self, ctx):
+        self._map_dir = os.path.join(ctx.tmp_dir, 'less')
+        if (ctx.is_main_process and
                 not os.path.isdir(self._map_dir)):
             os.makedirs(self._map_dir)
 
@@ -59,7 +58,7 @@
 
         map_path = self._getMapPath(in_path)
         map_url = '/' + os.path.relpath(
-                map_path, self.app.root_dir).replace('\\', '/')
+            map_path, self.app.root_dir).replace('\\', '/')
 
         # On Windows, it looks like LESSC is confused with paths when the
         # map file is not to be created in the same directory as the input
@@ -67,8 +66,8 @@
         # a mix of relative and absolute paths stuck together).
         # So create it there and move it afterwards... :(
         temp_map_path = os.path.join(
-                os.path.dirname(in_path),
-                os.path.basename(map_path))
+            os.path.dirname(in_path),
+            os.path.basename(map_path))
 
         args = [self._conf['bin'],
                 '--source-map=%s' % temp_map_path,
@@ -83,8 +82,8 @@
         shell = (platform.system() == 'Windows')
         try:
             proc = subprocess.Popen(
-                    args, shell=shell,
-                    stderr=subprocess.PIPE)
+                args, shell=shell,
+                stderr=subprocess.PIPE)
             stdout_data, stderr_data = proc.communicate()
         except FileNotFoundError as ex:
             logger.error("Tried running LESS processor with command: %s" %
@@ -93,7 +92,7 @@
                             "Did you install it?") from ex
         if proc.returncode != 0:
             raise ExternalProcessException(
-                    stderr_data.decode(sys.stderr.encoding))
+                stderr_data.decode(sys.stderr.encoding))
 
         logger.debug("Moving map file: %s -> %s" % (temp_map_path, map_path))
         if os.path.exists(map_path):
@@ -115,8 +114,8 @@
 
     def _getMapPath(self, path):
         map_name = "%s_%s.map" % (
-                os.path.basename(path),
-                hashlib.md5(path.encode('utf8')).hexdigest())
+            os.path.basename(path),
+            hashlib.md5(path.encode('utf8')).hexdigest())
         map_path = os.path.join(self._map_dir, map_name)
         return map_path
 
--- a/piecrust/processing/pipeline.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,325 +0,0 @@
-import os
-import os.path
-import re
-import time
-import hashlib
-import logging
-import multiprocessing
-from piecrust.chefutil import format_timed, format_timed_scope
-from piecrust.environment import ExecutionStats
-from piecrust.processing.base import PipelineContext
-from piecrust.processing.records import (
-        ProcessorPipelineRecordEntry, TransitionalProcessorPipelineRecord,
-        FLAG_PROCESSED)
-from piecrust.processing.worker import (
-        ProcessingWorkerJob,
-        get_filtered_processors)
-
-
-logger = logging.getLogger(__name__)
-
-
-class _ProcessingContext(object):
-    def __init__(self, jobs, record, base_dir, mount_info):
-        self.jobs = jobs
-        self.record = record
-        self.base_dir = base_dir
-        self.mount_info = mount_info
-
-
-class ProcessorPipeline(object):
-    def __init__(self, app, out_dir, force=False,
-                 applied_config_variant=None,
-                 applied_config_values=None):
-        assert app and out_dir
-        self.app = app
-        self.out_dir = out_dir
-        self.force = force
-        self.applied_config_variant = applied_config_variant
-        self.applied_config_values = applied_config_values
-
-        tmp_dir = app.cache_dir
-        if not tmp_dir:
-            import tempfile
-            tmp_dir = os.path.join(tempfile.gettempdir(), 'piecrust')
-        self.tmp_dir = os.path.join(tmp_dir, 'proc')
-
-        baker_params = app.config.get('baker', {})
-
-        mount_params = baker_params.get('assets_dirs', {})
-        self.mounts = make_mount_infos(app, mount_params)
-
-        self.num_workers = baker_params.get(
-                'workers', multiprocessing.cpu_count())
-
-        ignores = baker_params.get('ignore', [])
-        ignores += [
-                '_cache', '_counter',
-                '.DS_Store', 'Thumbs.db',
-                '.git*', '.hg*', '.svn']
-        self.ignore_patterns = make_re(ignores)
-        self.force_patterns = make_re(baker_params.get('force', []))
-
-        # Those things are mostly for unit-testing.
-        #
-        # Note that additiona processors can't be passed as instances.
-        # Instead, we need some factory functions because we need to create
-        # one instance right away to use during the initialization phase, and
-        # another instance to pass to the worker pool. The initialized one will
-        # be tied to the PieCrust app instance, which can't be pickled across
-        # processes.
-        self.enabled_processors = None
-        self.additional_processors_factories = None
-
-    def addIgnorePatterns(self, patterns):
-        self.ignore_patterns += make_re(patterns)
-
-    def run(self, src_dir_or_file=None, *,
-            delete=True, previous_record=None, save_record=True):
-        start_time = time.perf_counter()
-
-        # Get the list of processors for this run.
-        processors = self.app.plugin_loader.getProcessors()
-        if self.enabled_processors is not None:
-            logger.debug("Filtering processors to: %s" %
-                         self.enabled_processors)
-            processors = get_filtered_processors(processors,
-                                                 self.enabled_processors)
-        if self.additional_processors_factories is not None:
-            logger.debug("Adding %s additional processors." %
-                         len(self.additional_processors_factories))
-            for proc_fac in self.additional_processors_factories:
-                proc = proc_fac()
-                self.app.env.registerTimer(proc.__class__.__name__,
-                                           raise_if_registered=False)
-                proc.initialize(self.app)
-                processors.append(proc)
-
-        # Invoke pre-processors.
-        pipeline_ctx = PipelineContext(-1, self.app, self.out_dir,
-                                       self.tmp_dir, self.force)
-        for proc in processors:
-            proc.onPipelineStart(pipeline_ctx)
-
-        # Pre-processors can define additional ignore patterns.
-        self.ignore_patterns += make_re(
-                pipeline_ctx._additional_ignore_patterns)
-
-        # Create the pipeline record.
-        record = TransitionalProcessorPipelineRecord()
-        record_cache = self.app.cache.getCache('proc')
-        record_name = (
-                hashlib.md5(self.out_dir.encode('utf8')).hexdigest() +
-                '.record')
-        if previous_record:
-            record.setPrevious(previous_record)
-        elif not self.force and record_cache.has(record_name):
-            with format_timed_scope(logger, 'loaded previous bake record',
-                                    level=logging.DEBUG, colored=False):
-                record.loadPrevious(record_cache.getCachePath(record_name))
-        logger.debug("Got %d entries in process record." %
-                     len(record.previous.entries))
-        record.current.success = True
-        record.current.processed_count = 0
-
-        # Work!
-        def _handler(res):
-            entry = record.getCurrentEntry(res.path)
-            assert entry is not None
-            entry.flags = res.flags
-            entry.proc_tree = res.proc_tree
-            entry.rel_outputs = res.rel_outputs
-            if entry.flags & FLAG_PROCESSED:
-                record.current.processed_count += 1
-            if res.errors:
-                entry.errors += res.errors
-                record.current.success = False
-
-                rel_path = os.path.relpath(res.path, self.app.root_dir)
-                logger.error("Errors found in %s:" % rel_path)
-                for e in entry.errors:
-                    logger.error("  " + e)
-
-        jobs = []
-        self._process(src_dir_or_file, record, jobs)
-        pool = self._createWorkerPool()
-        ar = pool.queueJobs(jobs, handler=_handler)
-        ar.wait()
-
-        # Shutdown the workers and get timing information from them.
-        reports = pool.close()
-        total_stats = ExecutionStats()
-        record.current.stats['_Total'] = total_stats
-        for i in range(len(reports)):
-            worker_stats = reports[i]['data']
-            if worker_stats is not None:
-                worker_name = 'PipelineWorker_%d' % i
-                record.current.stats[worker_name] = worker_stats
-                total_stats.mergeStats(worker_stats)
-
-        # Invoke post-processors.
-        pipeline_ctx.record = record.current
-        for proc in processors:
-            proc.onPipelineEnd(pipeline_ctx)
-
-        # Handle deletions.
-        if delete:
-            for path, reason in record.getDeletions():
-                logger.debug("Removing '%s': %s" % (path, reason))
-                record.current.deleted.append(path)
-                try:
-                    os.remove(path)
-                except FileNotFoundError:
-                    pass
-                logger.info('[delete] %s' % path)
-
-        # Finalize the process record.
-        record.current.process_time = time.time()
-        record.current.out_dir = self.out_dir
-        record.collapseRecords()
-
-        # Save the process record.
-        if save_record:
-            with format_timed_scope(logger, 'saved bake record',
-                                    level=logging.DEBUG, colored=False):
-                record.saveCurrent(record_cache.getCachePath(record_name))
-
-        logger.info(format_timed(
-                start_time,
-                "processed %d assets." % record.current.processed_count))
-
-        return record.detach()
-
-    def _process(self, src_dir_or_file, record, jobs):
-        if src_dir_or_file is not None:
-            # Process only the given path.
-            # Find out what mount point this is in.
-            for path, info in self.mounts.items():
-                if src_dir_or_file[:len(path)] == path:
-                    base_dir = path
-                    mount_info = info
-                    break
-            else:
-                known_roots = list(self.mounts.keys())
-                raise Exception("Input path '%s' is not part of any known "
-                                "mount point: %s" %
-                                (src_dir_or_file, known_roots))
-
-            ctx = _ProcessingContext(jobs, record, base_dir, mount_info)
-            logger.debug("Initiating processing pipeline on: %s" %
-                         src_dir_or_file)
-            if os.path.isdir(src_dir_or_file):
-                self._processDirectory(ctx, src_dir_or_file)
-            elif os.path.isfile(src_dir_or_file):
-                self._processFile(ctx, src_dir_or_file)
-
-        else:
-            # Process everything.
-            for path, info in self.mounts.items():
-                ctx = _ProcessingContext(jobs, record, path, info)
-                logger.debug("Initiating processing pipeline on: %s" % path)
-                self._processDirectory(ctx, path)
-
-    def _processDirectory(self, ctx, start_dir):
-        for dirpath, dirnames, filenames in os.walk(start_dir):
-            rel_dirpath = os.path.relpath(dirpath, start_dir)
-            dirnames[:] = [d for d in dirnames
-                           if not re_matchany(
-                               d, self.ignore_patterns, rel_dirpath)]
-
-            for filename in filenames:
-                if re_matchany(filename, self.ignore_patterns, rel_dirpath):
-                    continue
-                self._processFile(ctx, os.path.join(dirpath, filename))
-
-    def _processFile(self, ctx, path):
-        # TODO: handle overrides between mount-points.
-
-        entry = ProcessorPipelineRecordEntry(path)
-        ctx.record.addEntry(entry)
-
-        previous_entry = ctx.record.getPreviousEntry(path)
-        force_this = (self.force or previous_entry is None or
-                      not previous_entry.was_processed_successfully)
-
-        job = ProcessingWorkerJob(ctx.base_dir, ctx.mount_info, path,
-                                  force=force_this)
-        ctx.jobs.append(job)
-
-    def _createWorkerPool(self):
-        from piecrust.app import PieCrustFactory
-        from piecrust.workerpool import WorkerPool
-        from piecrust.processing.worker import (
-                ProcessingWorkerContext, ProcessingWorker)
-
-        appfactory = PieCrustFactory(
-                self.app.root_dir,
-                cache=self.app.cache.enabled,
-                cache_key=self.app.cache_key,
-                config_variant=self.applied_config_variant,
-                config_values=self.applied_config_values,
-                debug=self.app.debug,
-                theme_site=self.app.theme_site)
-
-        ctx = ProcessingWorkerContext(
-                appfactory,
-                self.out_dir, self.tmp_dir,
-                force=self.force)
-        ctx.enabled_processors = self.enabled_processors
-        if self.additional_processors_factories is not None:
-            ctx.additional_processors = [
-                    proc_fac()
-                    for proc_fac in self.additional_processors_factories]
-
-        pool = WorkerPool(
-                worker_class=ProcessingWorker,
-                initargs=(ctx,))
-        return pool
-
-
-def make_mount_infos(app, mount_params):
-    mounts = {d: {} for d in app.assets_dirs}
-
-    for name, cfg in mount_params.items():
-        mdir = os.path.join(app.root_dir, name)
-        mounts[mdir] = cfg
-
-    for mdir, info in mounts.items():
-        mname = os.path.basename(mdir)
-        info_from_config = mount_params.get(mname)
-        if info_from_config is not None:
-            if not isinstance(info, dict):
-                raise Exception("Asset directory info for '%s' is not a "
-                                "dictionary." % mname)
-            info.update(info_from_config)
-        info.setdefault('processors', 'all -uglifyjs -cleancss')
-        info['name'] = mname
-
-    return mounts
-
-
-def make_re(patterns):
-    re_patterns = []
-    for pat in patterns:
-        if pat[0] == '/' and pat[-1] == '/' and len(pat) > 2:
-            re_patterns.append(pat[1:-1])
-        else:
-            escaped_pat = (
-                    re.escape(pat)
-                    .replace(r'\*', r'[^/\\]*')
-                    .replace(r'\?', r'[^/\\]'))
-            re_patterns.append(escaped_pat)
-    return [re.compile(p) for p in re_patterns]
-
-
-def re_matchany(filename, patterns, dirname=None):
-    if dirname and dirname != '.':
-        filename = os.path.join(dirname, filename)
-
-    # skip patterns use a forward slash regardless of the platform.
-    filename = filename.replace('\\', '/')
-    for pattern in patterns:
-        if pattern.search(filename):
-            return True
-    return False
-
--- a/piecrust/processing/records.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,100 +0,0 @@
-import os.path
-import hashlib
-from piecrust.records import Record, TransitionalRecord
-
-
-class ProcessorPipelineRecord(Record):
-    RECORD_VERSION = 7
-
-    def __init__(self):
-        super(ProcessorPipelineRecord, self).__init__()
-        self.out_dir = None
-        self.process_time = None
-        self.processed_count = 0
-        self.deleted = []
-        self.success = False
-
-
-FLAG_NONE = 0
-FLAG_PREPARED = 2**0
-FLAG_PROCESSED = 2**1
-FLAG_BYPASSED_STRUCTURED_PROCESSING = 2**3
-FLAG_COLLAPSED_FROM_LAST_RUN = 2**4
-
-
-def _get_transition_key(path):
-    return hashlib.md5(path.encode('utf8')).hexdigest()
-
-
-class ProcessorPipelineRecordEntry(object):
-    def __init__(self, path):
-        self.path = path
-
-        self.flags = FLAG_NONE
-        self.rel_outputs = []
-        self.proc_tree = None
-        self.errors = []
-
-    @property
-    def was_prepared(self):
-        return bool(self.flags & FLAG_PREPARED)
-
-    @property
-    def was_processed(self):
-        return (self.was_prepared and
-                (bool(self.flags & FLAG_PROCESSED) or len(self.errors) > 0))
-
-    @property
-    def was_processed_successfully(self):
-        return self.was_processed and not self.errors
-
-    @property
-    def was_collapsed_from_last_run(self):
-        return self.flags & FLAG_COLLAPSED_FROM_LAST_RUN
-
-
-class TransitionalProcessorPipelineRecord(TransitionalRecord):
-    def __init__(self, previous_path=None):
-        super(TransitionalProcessorPipelineRecord, self).__init__(
-                ProcessorPipelineRecord, previous_path)
-
-    def getTransitionKey(self, entry):
-        return _get_transition_key(entry.path)
-
-    def getCurrentEntry(self, path):
-        key = _get_transition_key(path)
-        pair = self.transitions.get(key)
-        if pair is not None:
-            return pair[1]
-        return None
-
-    def getPreviousEntry(self, path):
-        key = _get_transition_key(path)
-        pair = self.transitions.get(key)
-        if pair is not None:
-            return pair[0]
-        return None
-
-    def collapseRecords(self):
-        for prev, cur in self.transitions.values():
-            if prev and cur and not cur.was_processed:
-                # This asset wasn't processed, so the information from
-                # last time is still valid.
-                cur.flags = (prev.flags
-                        & ~FLAG_PROCESSED
-                        | FLAG_COLLAPSED_FROM_LAST_RUN)
-                cur.rel_outputs = list(prev.rel_outputs)
-                cur.errors = list(prev.errors)
-
-    def getDeletions(self):
-        for prev, cur in self.transitions.values():
-            if prev and not cur:
-                for p in prev.rel_outputs:
-                    abs_p = os.path.join(self.previous.out_dir, p)
-                    yield (abs_p, 'previous asset was removed')
-            elif prev and cur and cur.was_processed_successfully:
-                diff = set(prev.rel_outputs) - set(cur.rel_outputs)
-                for p in diff:
-                    abs_p = os.path.join(self.previous.out_dir, p)
-                    yield (abs_p, 'asset changed outputs')
-
--- a/piecrust/processing/requirejs.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/processing/requirejs.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,12 +1,9 @@
 import os
 import os.path
-import json
-import hashlib
 import logging
 import platform
 import subprocess
-from piecrust.processing.base import Processor, PRIORITY_FIRST
-from piecrust.processing.tree import FORCE_BUILD
+from piecrust.processing.base import Processor, PRIORITY_FIRST, FORCE_BUILD
 
 
 logger = logging.getLogger(__name__)
@@ -33,15 +30,15 @@
         self._conf.setdefault('bin', 'r.js')
         self._conf.setdefault('out_path', self._conf['build_path'])
 
-    def onPipelineStart(self, pipeline):
-        super(RequireJSProcessor, self).onPipelineStart(pipeline)
+    def onPipelineStart(self, ctx):
+        super(RequireJSProcessor, self).onPipelineStart(ctx)
 
         if self._conf is None:
             return
 
         logger.debug("Adding Javascript suppressor to build pipeline.")
         skip = _JavascriptSkipProcessor(self._conf['build_path'])
-        pipeline.processors.append(skip)
+        ctx.extra_processors.append(skip)
 
     def matches(self, path):
         if self._conf is None:
--- a/piecrust/processing/sass.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/processing/sass.py	Fri Sep 29 17:05:09 2017 -0700
@@ -5,8 +5,7 @@
 import logging
 import platform
 import subprocess
-from piecrust.processing.base import SimpleFileProcessor
-from piecrust.processing.tree import FORCE_BUILD
+from piecrust.processing.base import SimpleFileProcessor, FORCE_BUILD
 
 
 logger = logging.getLogger(__name__)
@@ -17,23 +16,23 @@
 
     def __init__(self):
         super(SassProcessor, self).__init__(
-                extensions={'scss': 'css', 'sass': 'css'})
+            extensions={'scss': 'css', 'sass': 'css'})
         self._conf = None
         self._map_dir = None
 
     def initialize(self, app):
         super(SassProcessor, self).initialize(app)
 
-    def onPipelineStart(self, pipeline):
-        super(SassProcessor, self).onPipelineStart(pipeline)
+    def onPipelineStart(self, ctx):
+        super(SassProcessor, self).onPipelineStart(ctx)
 
-        self._map_dir = os.path.join(pipeline.tmp_dir, 'sass')
-        if pipeline.is_first_worker:
+        self._map_dir = os.path.join(ctx.tmp_dir, 'sass')
+        if ctx.is_main_process:
             if not os.path.isdir(self._map_dir):
                 os.makedirs(self._map_dir)
 
         # Ignore include-only Sass files.
-        pipeline.addIgnorePatterns(['_*.scss', '_*.sass'])
+        ctx.ignore_patterns += ['_*.scss', '_*.sass']
 
     def getDependencies(self, path):
         if _is_include_only(path):
--- a/piecrust/processing/sitemap.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/processing/sitemap.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,18 +1,19 @@
+import os
+import os.path
 import time
 import logging
 import yaml
-from piecrust.data.iterators import PageIterator
+from piecrust.dataproviders.pageiterator import PageIterator
 from piecrust.processing.base import SimpleFileProcessor
-from piecrust.routing import create_route_metadata
 
 
 logger = logging.getLogger(__name__)
 
 
 SITEMAP_HEADER = \
-"""<?xml version="1.0" encoding="utf-8"?>
-<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
-"""
+    """<?xml version="1.0" encoding="utf-8"?>
+    <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+    """
 SITEMAP_FOOTER = "</urlset>\n"
 
 SITEURL_HEADER =     "  <url>\n"
@@ -30,18 +31,26 @@
         super(SitemapProcessor, self).__init__({'sitemap': 'xml'})
         self._start_time = None
 
-    def onPipelineStart(self, pipeline):
+    def onPipelineStart(self, ctx):
         self._start_time = time.time()
 
     def _doProcess(self, in_path, out_path):
         with open(in_path, 'r') as fp:
             sitemap = yaml.load(fp)
 
-        with open(out_path, 'w') as fp:
-            fp.write(SITEMAP_HEADER)
-            self._writeManualLocs(sitemap, fp)
-            self._writeAutoLocs(sitemap, fp)
-            fp.write(SITEMAP_FOOTER)
+        try:
+            with open(out_path, 'w') as fp:
+                fp.write(SITEMAP_HEADER)
+                self._writeManualLocs(sitemap, fp)
+                self._writeAutoLocs(sitemap, fp)
+                fp.write(SITEMAP_FOOTER)
+        except:
+            # If an exception occurs, delete the output file otherwise
+            # the pipeline will think the output was correctly produced.
+            if os.path.isfile(out_path):
+                logger.debug("Error occured, removing output sitemap.")
+                os.unlink(out_path)
+            raise
 
         return True
 
--- a/piecrust/processing/tree.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,299 +0,0 @@
-import os
-import time
-import os.path
-import logging
-from piecrust.chefutil import format_timed
-
-
-logger = logging.getLogger(__name__)
-
-
-STATE_UNKNOWN = 0
-STATE_DIRTY = 1
-STATE_CLEAN = 2
-
-
-FORCE_BUILD = object()
-
-
-class ProcessingTreeError(Exception):
-    pass
-
-
-class ProcessorNotFoundError(ProcessingTreeError):
-    pass
-
-
-class ProcessorError(ProcessingTreeError):
-    def __init__(self, proc_name, in_path, *args):
-        super(ProcessorError, self).__init__(*args)
-        self.proc_name = proc_name
-        self.in_path = in_path
-
-    def __str__(self):
-        return "Processor %s failed on: %s" % (self.proc_name, self.in_path)
-
-
-class ProcessingTreeNode(object):
-    def __init__(self, path, available_procs, level=0):
-        self.path = path
-        self.available_procs = available_procs
-        self.outputs = []
-        self.level = level
-        self.state = STATE_UNKNOWN
-        self._processor = None
-
-    def getProcessor(self):
-        if self._processor is None:
-            for p in self.available_procs:
-                if p.matches(self.path):
-                    self._processor = p
-                    self.available_procs.remove(p)
-                    break
-            else:
-                raise ProcessorNotFoundError()
-        return self._processor
-
-    def setState(self, state, recursive=True):
-        self.state = state
-        if recursive:
-            for o in self.outputs:
-                o.setState(state, True)
-
-    @property
-    def is_leaf(self):
-        return len(self.outputs) == 0
-
-    def getLeaves(self):
-        if self.is_leaf:
-            return [self]
-        leaves = []
-        for o in self.outputs:
-            for l in o.getLeaves():
-                leaves.append(l)
-        return leaves
-
-
-class ProcessingTreeBuilder(object):
-    def __init__(self, processors):
-        self.processors = processors
-
-    def build(self, path):
-        tree_root = ProcessingTreeNode(path, list(self.processors))
-
-        loop_guard = 100
-        walk_stack = [tree_root]
-        while len(walk_stack) > 0:
-            loop_guard -= 1
-            if loop_guard <= 0:
-                raise ProcessingTreeError("Infinite loop detected!")
-
-            cur_node = walk_stack.pop()
-            proc = cur_node.getProcessor()
-
-            # If the root tree node (and only that one) wants to bypass this
-            # whole tree business, so be it.
-            if proc.is_bypassing_structured_processing:
-                if cur_node != tree_root:
-                    raise ProcessingTreeError("Only root processors can "
-                                              "bypass structured processing.")
-                break
-
-            # Get the destination directory and output files.
-            rel_dir, basename = os.path.split(cur_node.path)
-            out_names = proc.getOutputFilenames(basename)
-            if out_names is None:
-                continue
-
-            for n in out_names:
-                out_node = ProcessingTreeNode(
-                        os.path.join(rel_dir, n),
-                        list(cur_node.available_procs),
-                        cur_node.level + 1)
-                cur_node.outputs.append(out_node)
-
-                if proc.PROCESSOR_NAME != 'copy':
-                    walk_stack.append(out_node)
-
-        return tree_root
-
-
-class ProcessingTreeRunner(object):
-    def __init__(self, base_dir, tmp_dir, out_dir):
-        self.base_dir = base_dir
-        self.tmp_dir = tmp_dir
-        self.out_dir = out_dir
-
-    def processSubTree(self, tree_root):
-        did_process = False
-        walk_stack = [tree_root]
-        while len(walk_stack) > 0:
-            cur_node = walk_stack.pop()
-
-            self._computeNodeState(cur_node)
-            if cur_node.state == STATE_DIRTY:
-                did_process_this_node = self.processNode(cur_node)
-                did_process |= did_process_this_node
-
-                if did_process_this_node:
-                    for o in cur_node.outputs:
-                        if not o.is_leaf:
-                            walk_stack.append(o)
-            else:
-                for o in cur_node.outputs:
-                    if not o.is_leaf:
-                        walk_stack.append(o)
-        return did_process
-
-    def processNode(self, node):
-        full_path = self._getNodePath(node)
-        proc = node.getProcessor()
-        if proc.is_bypassing_structured_processing:
-            try:
-                start_time = time.perf_counter()
-                with proc.app.env.timerScope(proc.__class__.__name__):
-                    proc.process(full_path, self.out_dir)
-                print_node(
-                        node,
-                        format_timed(
-                            start_time, "(bypassing structured processing)",
-                            colored=False))
-                return True
-            except Exception as e:
-                raise ProcessorError(proc.PROCESSOR_NAME, full_path) from e
-
-        # All outputs of a node must go to the same directory, so we can get
-        # the output directory off of the first output.
-        base_out_dir = self._getNodeBaseDir(node.outputs[0])
-        rel_out_dir = os.path.dirname(node.path)
-        out_dir = os.path.join(base_out_dir, rel_out_dir)
-        if not os.path.isdir(out_dir):
-            try:
-                os.makedirs(out_dir, 0o755, exist_ok=True)
-            except OSError:
-                pass
-
-        try:
-            start_time = time.perf_counter()
-            with proc.app.env.timerScope(proc.__class__.__name__):
-                proc_res = proc.process(full_path, out_dir)
-            if proc_res is None:
-                raise Exception("Processor '%s' didn't return a boolean "
-                                "result value." % proc)
-            if proc_res:
-                print_node(node, "-> %s" % out_dir)
-                return True
-            else:
-                print_node(node, "-> %s [clean]" % out_dir)
-                return False
-        except Exception as e:
-            raise ProcessorError(proc.PROCESSOR_NAME, full_path) from e
-
-    def _computeNodeState(self, node):
-        if node.state != STATE_UNKNOWN:
-            return
-
-        proc = node.getProcessor()
-        if (proc.is_bypassing_structured_processing or
-                not proc.is_delegating_dependency_check):
-            # This processor wants to handle things on its own...
-            node.setState(STATE_DIRTY, False)
-            return
-
-        start_time = time.perf_counter()
-
-        # Get paths and modification times for the input path and
-        # all dependencies (if any).
-        base_dir = self._getNodeBaseDir(node)
-        full_path = os.path.join(base_dir, node.path)
-        in_mtime = (full_path, os.path.getmtime(full_path))
-        force_build = False
-        try:
-            deps = proc.getDependencies(full_path)
-            if deps == FORCE_BUILD:
-                force_build = True
-            elif deps is not None:
-                for dep in deps:
-                    dep_mtime = os.path.getmtime(dep)
-                    if dep_mtime > in_mtime[1]:
-                        in_mtime = (dep, dep_mtime)
-        except Exception as e:
-            logger.warning("%s -- Will force-bake: %s" % (e, node.path))
-            node.setState(STATE_DIRTY, True)
-            return
-
-        if force_build:
-            # Just do what the processor told us to do.
-            node.setState(STATE_DIRTY, True)
-            message = "Processor requested a forced build."
-            print_node(node, message)
-        else:
-            # Get paths and modification times for the outputs.
-            message = None
-            for o in node.outputs:
-                full_out_path = self._getNodePath(o)
-                if not os.path.isfile(full_out_path):
-                    message = "Output '%s' doesn't exist." % o.path
-                    break
-                o_mtime = os.path.getmtime(full_out_path)
-                if o_mtime < in_mtime[1]:
-                    message = "Input '%s' is newer than output '%s'." % (
-                            in_mtime[0], o.path)
-                    break
-            if message is not None:
-                node.setState(STATE_DIRTY, True)
-                message += " Re-processing sub-tree."
-                print_node(node, message)
-            else:
-                node.setState(STATE_CLEAN, False)
-
-        if node.state == STATE_DIRTY:
-            state = "dirty"
-        elif node.state == STATE_CLEAN:
-            state = "clean"
-        else:
-            state = "unknown"
-        logger.debug(format_timed(start_time,
-                                  "Computed node dirtyness: %s" % state,
-                                  indent_level=node.level, colored=False))
-
-    def _getNodeBaseDir(self, node):
-        if node.level == 0:
-            return self.base_dir
-        if node.is_leaf:
-            return self.out_dir
-        return os.path.join(self.tmp_dir, str(node.level))
-
-    def _getNodePath(self, node):
-        base_dir = self._getNodeBaseDir(node)
-        return os.path.join(base_dir, node.path)
-
-
-def print_node(node, message=None, recursive=False):
-    indent = '  ' * node.level
-    try:
-        proc_name = node.getProcessor().PROCESSOR_NAME
-    except ProcessorNotFoundError:
-        proc_name = 'n/a'
-
-    message = message or ''
-    logger.debug('%s%s [%s] %s' % (indent, node.path, proc_name, message))
-
-    if recursive:
-        for o in node.outputs:
-            print_node(o, None, True)
-
-
-def get_node_name_tree(node):
-    try:
-        proc_name = node.getProcessor().PROCESSOR_NAME
-    except ProcessorNotFoundError:
-        proc_name = 'n/a'
-
-    children = []
-    for o in node.outputs:
-        if not o.outputs:
-            continue
-        children.append(get_node_name_tree(o))
-    return (proc_name, children)
-
--- a/piecrust/processing/worker.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,185 +0,0 @@
-import re
-import os.path
-import time
-import logging
-from piecrust.app import PieCrust, apply_variant_and_values
-from piecrust.processing.base import PipelineContext
-from piecrust.processing.records import (
-        FLAG_NONE, FLAG_PREPARED, FLAG_PROCESSED,
-        FLAG_BYPASSED_STRUCTURED_PROCESSING)
-from piecrust.processing.tree import (
-        ProcessingTreeBuilder, ProcessingTreeRunner,
-        ProcessingTreeError, ProcessorError,
-        get_node_name_tree, print_node,
-        STATE_DIRTY)
-from piecrust.workerpool import IWorker
-
-
-logger = logging.getLogger(__name__)
-
-
-split_processor_names_re = re.compile(r'[ ,]+')
-re_ansicolors = re.compile('\033\\[\d+m')
-
-
-class ProcessingWorkerContext(object):
-    def __init__(self, appfactory, out_dir, tmp_dir, *,
-                 force=False):
-        self.appfactory = appfactory
-        self.out_dir = out_dir
-        self.tmp_dir = tmp_dir
-        self.force = force
-        self.is_profiling = False
-        self.enabled_processors = None
-        self.additional_processors = None
-
-
-class ProcessingWorkerJob(object):
-    def __init__(self, base_dir, mount_info, path, *, force=False):
-        self.base_dir = base_dir
-        self.mount_info = mount_info
-        self.path = path
-        self.force = force
-
-
-class ProcessingWorkerResult(object):
-    def __init__(self, path):
-        self.path = path
-        self.flags = FLAG_NONE
-        self.proc_tree = None
-        self.rel_outputs = None
-        self.errors = None
-
-
-class ProcessingWorker(IWorker):
-    def __init__(self, ctx):
-        self.ctx = ctx
-        self.work_start_time = time.perf_counter()
-
-    def initialize(self):
-        # Create the app local to this worker.
-        app = self.ctx.appfactory.create()
-        app.env.registerTimer("PipelineWorker_%d_Total" % self.wid)
-        app.env.registerTimer("PipelineWorkerInit")
-        app.env.registerTimer("JobReceive")
-        app.env.registerTimer('BuildProcessingTree')
-        app.env.registerTimer('RunProcessingTree')
-        self.app = app
-
-        processors = app.plugin_loader.getProcessors()
-        if self.ctx.enabled_processors:
-            logger.debug("Filtering processors to: %s" %
-                         self.ctx.enabled_processors)
-            processors = get_filtered_processors(processors,
-                                                 self.ctx.enabled_processors)
-        if self.ctx.additional_processors:
-            logger.debug("Adding %s additional processors." %
-                         len(self.ctx.additional_processors))
-            for proc in self.ctx.additional_processors:
-                app.env.registerTimer(proc.__class__.__name__)
-                proc.initialize(app)
-                processors.append(proc)
-        self.processors = processors
-
-        # Invoke pre-processors.
-        pipeline_ctx = PipelineContext(self.wid, self.app, self.ctx.out_dir,
-                                       self.ctx.tmp_dir, self.ctx.force)
-        for proc in processors:
-            proc.onPipelineStart(pipeline_ctx)
-
-        # Sort our processors again in case the pre-process step involved
-        # patching the processors with some new ones.
-        processors.sort(key=lambda p: p.priority)
-
-        app.env.stepTimerSince("PipelineWorkerInit", self.work_start_time)
-
-    def process(self, job):
-        result = ProcessingWorkerResult(job.path)
-
-        processors = get_filtered_processors(
-                self.processors, job.mount_info['processors'])
-
-        # Build the processing tree for this job.
-        rel_path = os.path.relpath(job.path, job.base_dir)
-        try:
-            with self.app.env.timerScope('BuildProcessingTree'):
-                builder = ProcessingTreeBuilder(processors)
-                tree_root = builder.build(rel_path)
-                result.flags |= FLAG_PREPARED
-        except ProcessingTreeError as ex:
-            result.errors = _get_errors(ex)
-            return result
-
-        # Prepare and run the tree.
-        print_node(tree_root, recursive=True)
-        leaves = tree_root.getLeaves()
-        result.rel_outputs = [l.path for l in leaves]
-        result.proc_tree = get_node_name_tree(tree_root)
-        if tree_root.getProcessor().is_bypassing_structured_processing:
-            result.flags |= FLAG_BYPASSED_STRUCTURED_PROCESSING
-
-        if job.force:
-            tree_root.setState(STATE_DIRTY, True)
-
-        try:
-            with self.app.env.timerScope('RunProcessingTree'):
-                runner = ProcessingTreeRunner(
-                        job.base_dir, self.ctx.tmp_dir, self.ctx.out_dir)
-                if runner.processSubTree(tree_root):
-                    result.flags |= FLAG_PROCESSED
-        except ProcessingTreeError as ex:
-            if isinstance(ex, ProcessorError):
-                ex = ex.__cause__
-            # Need to strip out colored errors from external processes.
-            result.errors = _get_errors(ex, strip_colors=True)
-
-        return result
-
-    def getReport(self, pool_reports):
-        # Invoke post-processors.
-        pipeline_ctx = PipelineContext(self.wid, self.app, self.ctx.out_dir,
-                                       self.ctx.tmp_dir, self.ctx.force)
-        for proc in self.processors:
-            proc.onPipelineEnd(pipeline_ctx)
-
-        self.app.env.stepTimerSince("PipelineWorker_%d_Total" % self.wid,
-                                    self.work_start_time)
-        data = self.app.env.getStats()
-        data.timers.update(pool_reports)
-        return {
-                'type': 'stats',
-                'data': data}
-
-
-def get_filtered_processors(processors, authorized_names):
-    if not authorized_names or authorized_names == 'all':
-        return processors
-
-    if isinstance(authorized_names, str):
-        authorized_names = split_processor_names_re.split(authorized_names)
-
-    procs = []
-    has_star = 'all' in authorized_names
-    for p in processors:
-        for name in authorized_names:
-            if name == p.PROCESSOR_NAME:
-                procs.append(p)
-                break
-            if name == ('-%s' % p.PROCESSOR_NAME):
-                break
-        else:
-            if has_star:
-                procs.append(p)
-    return procs
-
-
-def _get_errors(ex, strip_colors=False):
-    errors = []
-    while ex is not None:
-        msg = str(ex)
-        if strip_colors:
-            msg = re_ansicolors.sub('', msg)
-        errors.append(msg)
-        ex = ex.__cause__
-    return errors
-
--- a/piecrust/publishing/base.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/publishing/base.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,10 +1,7 @@
 import os.path
-import shlex
-import urllib.parse
+import time
 import logging
-import threading
-import subprocess
-from piecrust.configuration import try_get_dict_value
+from piecrust.chefutil import format_timed
 
 
 logger = logging.getLogger(__name__)
@@ -18,17 +15,17 @@
     pass
 
 
-class PublishingContext(object):
+class PublishingContext:
     def __init__(self):
         self.bake_out_dir = None
-        self.bake_record = None
+        self.bake_records = None
         self.processing_record = None
         self.was_baked = False
         self.preview = False
         self.args = None
 
 
-class Publisher(object):
+class Publisher:
     PUBLISHER_NAME = 'undefined'
     PUBLISHER_SCHEME = None
 
@@ -36,90 +33,129 @@
         self.app = app
         self.target = target
         self.config = config
-        self.has_url_config = isinstance(config, urllib.parse.ParseResult)
         self.log_file_path = None
 
     def setupPublishParser(self, parser, app):
         return
 
-    def getConfigValue(self, name, default_value=None):
-        if self.has_url_config:
-            raise Exception("This publisher only has a URL configuration.")
-        return try_get_dict_value(self.config, name, default=default_value)
+    def parseUrlTarget(self, url):
+        raise NotImplementedError()
 
     def run(self, ctx):
         raise NotImplementedError()
 
     def getBakedFiles(self, ctx):
-        for e in ctx.bake_record.entries:
-            for sub in e.subs:
-                if sub.was_baked:
-                    yield sub.out_path
-        for e in ctx.processing_record.entries:
-            if e.was_processed:
-                yield from [os.path.join(ctx.processing_record.out_dir, p)
-                        for p in e.rel_outputs]
+        for rec in ctx.bake_records.records:
+            for e in rec.getEntries():
+                paths = e.getAllOutputPaths()
+                if paths is not None:
+                    yield from paths
 
     def getDeletedFiles(self, ctx):
-        yield from ctx.bake_record.deleted
-        yield from ctx.processing_record.deleted
+        for rec in ctx.bake_records.records:
+            yield from rec.deleted_out_paths
+
+
+class InvalidPublishTargetError(Exception):
+    pass
+
+
+class PublishingError(Exception):
+    pass
 
 
-class ShellCommandPublisherBase(Publisher):
-    def __init__(self, app, target, config):
-        super(ShellCommandPublisherBase, self).__init__(app, target, config)
-        self.expand_user_args = True
+class PublishingManager:
+    def __init__(self, appfactory, app):
+        self.appfactory = appfactory
+        self.app = app
+
+    def run(self, target,
+            force=False, preview=False, extra_args=None, log_file=None):
+        start_time = time.perf_counter()
+
+        # Get publisher for this target.
+        pub = self.app.getPublisher(target)
+        if pub is None:
+            raise InvalidPublishTargetError(
+                "No such publish target: %s" % target)
+
+        # Will we need to bake first?
+        bake_first = pub.config.get('bake', True)
 
-    def run(self, ctx):
-        args = self._getCommandArgs(ctx)
-        if self.expand_user_args:
-            args = [os.path.expanduser(i) for i in args]
+        # Setup logging stuff.
+        hdlr = None
+        root_logger = logging.getLogger()
+        if log_file and not preview:
+            logger.debug("Adding file handler for: %s" % log_file)
+            hdlr = logging.FileHandler(log_file, mode='w', encoding='utf8')
+            root_logger.addHandler(hdlr)
+        if not preview:
+            logger.info("Deploying to %s" % target)
+        else:
+            logger.info("Previewing deployment to %s" % target)
 
-        if ctx.preview:
-            preview_args = ' '.join([shlex.quote(i) for i in args])
-            logger.info(
-                    "Would run shell command: %s" % preview_args)
-            return True
-
-        logger.debug(
-                "Running shell command: %s" % args)
+        # Bake first is necessary.
+        records = None
+        was_baked = False
+        bake_out_dir = os.path.join(self.app.root_dir, '_pub', target)
+        if bake_first:
+            if not preview:
+                bake_start_time = time.perf_counter()
+                logger.debug("Baking first to: %s" % bake_out_dir)
 
-        proc = subprocess.Popen(
-                args, cwd=self.app.root_dir, bufsize=0,
-                stdout=subprocess.PIPE)
+                from piecrust.baking.baker import Baker
+                baker = Baker(
+                    self.appfactory, self.app, bake_out_dir, force=force)
+                records = baker.bake()
+                was_baked = True
 
-        logger.debug("Running publishing monitor for PID %d" % proc.pid)
-        thread = _PublishThread(proc)
-        thread.start()
-        proc.wait()
-        thread.join()
+                if not records.success:
+                    raise Exception(
+                        "Error during baking, aborting publishing.")
+                logger.info(format_timed(bake_start_time, "Baked website."))
+            else:
+                logger.info("Would bake to: %s" % bake_out_dir)
+
+        # Publish!
+        logger.debug(
+            "Running publish target '%s' with publisher: %s" %
+            (target, pub.PUBLISHER_NAME))
+        pub_start_time = time.perf_counter()
 
-        if proc.returncode != 0:
-            logger.error(
-                    "Publish process returned code %d" % proc.returncode)
-        else:
-            logger.debug("Publish process returned successfully.")
+        ctx = PublishingContext()
+        ctx.bake_out_dir = bake_out_dir
+        ctx.bake_records = records
+        ctx.was_baked = was_baked
+        ctx.preview = preview
+        ctx.args = extra_args
+        try:
+            pub.run(ctx)
+        except Exception as ex:
+            raise PublishingError(
+                "Error publishing to target: %s" % target) from ex
+        finally:
+            if hdlr:
+                root_logger.removeHandler(hdlr)
+                hdlr.close()
 
-        return proc.returncode == 0
+        logger.info(format_timed(
+            pub_start_time, "Ran publisher %s" % pub.PUBLISHER_NAME))
 
-    def _getCommandArgs(self, ctx):
-        raise NotImplementedError()
+        logger.info(format_timed(start_time, 'Deployed to %s' % target))
 
 
-class _PublishThread(threading.Thread):
-    def __init__(self, proc):
-        super(_PublishThread, self).__init__(
-                name='publish_monitor', daemon=True)
-        self.proc = proc
-        self.root_logger = logging.getLogger()
+def find_publisher_class(app, name, is_scheme=False):
+    attr_name = 'PUBLISHER_SCHEME' if is_scheme else 'PUBLISHER_NAME'
+    for pub_cls in app.plugin_loader.getPublishers():
+        pub_sch = getattr(pub_cls, attr_name, None)
+        if pub_sch == name:
+            return pub_cls
+    return None
 
-    def run(self):
-        for line in iter(self.proc.stdout.readline, b''):
-            line_str = line.decode('utf8')
-            logger.info(line_str.rstrip('\r\n'))
-            for h in self.root_logger.handlers:
-                h.flush()
 
-        self.proc.communicate()
-        logger.debug("Publish monitor exiting.")
+def find_publisher_name(app, scheme):
+    pub_cls = find_publisher_class(app, scheme, True)
+    if pub_cls:
+        return pub_cls.PUBLISHER_NAME
+    return None
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/publishing/copy.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,51 @@
+import os
+import os.path
+import shutil
+import logging
+from piecrust.publishing.base import Publisher
+
+
+logger = logging.getLogger(__name__)
+
+
+class CopyPublisher(Publisher):
+    PUBLISHER_NAME = 'copy'
+    PUBLISHER_SCHEME = 'file'
+
+    def parseUrlTarget(self, url):
+        self.config = {'output': (url.netloc + url.path)}
+
+    def run(self, ctx):
+        dest = self.config.get('output')
+
+        if ctx.was_baked:
+            to_upload = list(self.getBakedFiles(ctx))
+            to_delete = list(self.getDeletedFiles(ctx))
+            if to_upload or to_delete:
+                logger.info("Copying new/changed files...")
+                for path in to_upload:
+                    rel_path = os.path.relpath(path, ctx.bake_out_dir)
+                    dest_path = os.path.join(dest, rel_path)
+                    dest_dir = os.path.dirname(dest_path)
+                    os.makedirs(dest_dir, exist_ok=True)
+                    try:
+                        dest_mtime = os.path.getmtime(dest_path)
+                    except OSError:
+                        dest_mtime = 0
+                    if os.path.getmtime(path) >= dest_mtime:
+                        logger.info(rel_path)
+                        if not ctx.preview:
+                            shutil.copyfile(path, dest_path)
+
+                logger.info("Deleting removed files...")
+                for path in self.getDeletedFiles(ctx):
+                    rel_path = os.path.relpath(path, ctx.bake_out_dir)
+                    logger.info("%s [DELETE]" % rel_path)
+                    if not ctx.preview:
+                        try:
+                            os.remove(path)
+                        except OSError:
+                            pass
+            else:
+                logger.info("Nothing to copy to the output folder.")
+
--- a/piecrust/publishing/publisher.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,128 +0,0 @@
-import os.path
-import time
-import logging
-import urllib.parse
-from piecrust.chefutil import format_timed
-from piecrust.publishing.base import PublishingContext
-
-
-logger = logging.getLogger(__name__)
-
-
-class InvalidPublishTargetError(Exception):
-    pass
-
-
-class PublishingError(Exception):
-    pass
-
-
-class Publisher(object):
-    def __init__(self, app):
-        self.app = app
-
-    def run(self, target,
-            force=False, preview=False, extra_args=None, log_file=None,
-            applied_config_variant=None, applied_config_values=None):
-        start_time = time.perf_counter()
-
-        # Get publisher for this target.
-        pub = self.app.getPublisher(target)
-        if pub is None:
-            raise InvalidPublishTargetError(
-                    "No such publish target: %s" % target)
-
-        # Will we need to bake first?
-        bake_first = True
-        if not pub.has_url_config:
-            bake_first = pub.getConfigValue('bake', True)
-
-        # Setup logging stuff.
-        hdlr = None
-        root_logger = logging.getLogger()
-        if log_file and not preview:
-            logger.debug("Adding file handler for: %s" % log_file)
-            hdlr = logging.FileHandler(log_file, mode='w', encoding='utf8')
-            root_logger.addHandler(hdlr)
-        if not preview:
-            logger.info("Deploying to %s" % target)
-        else:
-            logger.info("Previewing deployment to %s" % target)
-
-        # Bake first is necessary.
-        rec1 = None
-        rec2 = None
-        was_baked = False
-        bake_out_dir = os.path.join(self.app.root_dir, '_pub', target)
-        if bake_first:
-            if not preview:
-                bake_start_time = time.perf_counter()
-                logger.debug("Baking first to: %s" % bake_out_dir)
-
-                from piecrust.baking.baker import Baker
-                baker = Baker(
-                        self.app, bake_out_dir,
-                        applied_config_variant=applied_config_variant,
-                        applied_config_values=applied_config_values)
-                rec1 = baker.bake()
-
-                from piecrust.processing.pipeline import ProcessorPipeline
-                proc = ProcessorPipeline(
-                        self.app, bake_out_dir,
-                        applied_config_variant=applied_config_variant,
-                        applied_config_values=applied_config_values)
-                rec2 = proc.run()
-
-                was_baked = True
-
-                if not rec1.success or not rec2.success:
-                    raise Exception(
-                            "Error during baking, aborting publishing.")
-                logger.info(format_timed(bake_start_time, "Baked website."))
-            else:
-                logger.info("Would bake to: %s" % bake_out_dir)
-
-        # Publish!
-        logger.debug(
-                "Running publish target '%s' with publisher: %s" %
-                (target, pub.PUBLISHER_NAME))
-        pub_start_time = time.perf_counter()
-
-        ctx = PublishingContext()
-        ctx.bake_out_dir = bake_out_dir
-        ctx.bake_record = rec1
-        ctx.processing_record = rec2
-        ctx.was_baked = was_baked
-        ctx.preview = preview
-        ctx.args = extra_args
-        try:
-            pub.run(ctx)
-        except Exception as ex:
-            raise PublishingError(
-                    "Error publishing to target: %s" % target) from ex
-        finally:
-            if hdlr:
-                root_logger.removeHandler(hdlr)
-                hdlr.close()
-
-        logger.info(format_timed(
-            pub_start_time, "Ran publisher %s" % pub.PUBLISHER_NAME))
-
-        logger.info(format_timed(start_time, 'Deployed to %s' % target))
-
-
-def find_publisher_class(app, name, is_scheme=False):
-    attr_name = 'PUBLISHER_SCHEME' if is_scheme else 'PUBLISHER_NAME'
-    for pub_cls in app.plugin_loader.getPublishers():
-        pub_sch = getattr(pub_cls, attr_name, None)
-        if pub_sch == name:
-            return pub_cls
-    return None
-
-
-def find_publisher_name(app, scheme):
-    pub_cls = find_publisher_class(app, scheme, True)
-    if pub_cls:
-        return pub_cls.PUBLISHER_NAME
-    return None
-
--- a/piecrust/publishing/rsync.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/publishing/rsync.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,21 +1,22 @@
-from piecrust.publishing.base import ShellCommandPublisherBase
+from piecrust.publishing.shell import ShellCommandPublisherBase
 
 
 class RsyncPublisher(ShellCommandPublisherBase):
     PUBLISHER_NAME = 'rsync'
     PUBLISHER_SCHEME = 'rsync'
 
+    def parseUrlTarget(self, url):
+        self.config = {
+            'destination': (url.netloc + url.path)
+        }
+
     def _getCommandArgs(self, ctx):
-        if self.has_url_config:
-            orig = ctx.bake_out_dir
-            dest = self.config.netloc + self.config.path
-        else:
-            orig = self.getConfigValue('source', ctx.bake_out_dir)
-            dest = self.getConfigValue('destination')
+        orig = self.config.get('source', ctx.bake_out_dir)
+        dest = self.config.get('destination')
+        if not dest:
+            raise Exception("No destination specified.")
 
-        rsync_options = None
-        if not self.has_url_config:
-            rsync_options = self.getConfigValue('options')
+        rsync_options = self.config.get('options')
         if rsync_options is None:
             rsync_options = ['-avc', '--delete']
 
--- a/piecrust/publishing/sftp.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/publishing/sftp.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,6 +1,5 @@
 import os
 import os.path
-import socket
 import urllib.parse
 import getpass
 import logging
@@ -17,20 +16,21 @@
 
     def setupPublishParser(self, parser, app):
         parser.add_argument(
-                '--force',
-                action='store_true',
-                help=("Upload the entire bake directory instead of only "
-                      "the files changed by the last bake."))
+            '--force',
+            action='store_true',
+            help=("Upload the entire bake directory instead of only "
+                  "the files changed by the last bake."))
+
+    def parseUrlTarget(self, url):
+        self.config = {'host': str(url)}
 
     def run(self, ctx):
-        remote = self.config
-        if not self.has_url_config:
-            host = self.getConfigValue('host')
-            if not host:
-                raise PublisherConfigurationError(
-                        "Publish target '%s' doesn't specify a 'host'." %
-                        self.target)
-            remote = urllib.parse.urlparse(host)
+        host = self.config.get('host')
+        if not host:
+            raise PublisherConfigurationError(
+                "Publish target '%s' doesn't specify a 'host'." %
+                self.target)
+        remote = urllib.parse.urlparse(host)
 
         hostname = remote.hostname
         port = remote.port or 22
@@ -39,16 +39,9 @@
             hostname = path
             path = ''
 
-        username = remote.username
-        pkey_path = None
-
-        if not self.has_url_config:
-            if not username:
-                username = self.getConfigValue('username')
-            if not path:
-                path = self.getConfigValue('path')
-
-            pkey_path = self.getConfigValue('key')
+        username = self.config.get('username', remote.username)
+        path = self.config.get('path', path)
+        pkey_path = self.config.get('key')
 
         password = None
         if username and not ctx.preview:
@@ -65,10 +58,10 @@
         sshc.load_system_host_keys()
         sshc.set_missing_host_key_policy(paramiko.WarningPolicy())
         sshc.connect(
-                hostname, port=port,
-                username=username, password=password,
-                key_filename=pkey_path,
-                look_for_keys=lfk)
+            hostname, port=port,
+            username=username, password=password,
+            key_filename=pkey_path,
+            look_for_keys=lfk)
         try:
             logger.info("Connected as %s" %
                         sshc.get_transport().get_username())
@@ -120,9 +113,11 @@
                         except OSError:
                             pass
             else:
-                logger.info("Nothing to upload or delete on the remote server.")
-                logger.info("If you want to force uploading the entire website, "
-                            "use the `--force` flag.")
+                logger.info(
+                    "Nothing to upload or delete on the remote server.")
+                logger.info(
+                    "If you want to force uploading the entire website, "
+                    "use the `--force` flag.")
         else:
             logger.info("Uploading entire website...")
             for dirpath, dirnames, filenames in os.walk(ctx.bake_out_dir):
@@ -148,7 +143,7 @@
             cur = os.path.join(cur, b)
             if cur not in known_dirs:
                 try:
-                    info = client.stat(cur)
+                    client.stat(cur)
                 except FileNotFoundError:
                     logger.debug("Creating remote dir: %s" % cur)
                     client.mkdir(cur)
--- a/piecrust/publishing/shell.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/publishing/shell.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,5 +1,71 @@
+import os.path
 import shlex
-from piecrust.publishing.base import ShellCommandPublisherBase
+import logging
+import threading
+import subprocess
+from piecrust.publishing.base import Publisher
+
+
+logger = logging.getLogger(__name__)
+
+
+class ShellCommandPublisherBase(Publisher):
+    def __init__(self, app, target, config):
+        super(ShellCommandPublisherBase, self).__init__(app, target, config)
+        self.expand_user_args = True
+
+    def run(self, ctx):
+        args = self._getCommandArgs(ctx)
+        if self.expand_user_args:
+            args = [os.path.expanduser(i) for i in args]
+
+        if ctx.preview:
+            preview_args = ' '.join([shlex.quote(i) for i in args])
+            logger.info(
+                "Would run shell command: %s" % preview_args)
+            return True
+
+        logger.debug(
+            "Running shell command: %s" % args)
+
+        proc = subprocess.Popen(
+            args, cwd=self.app.root_dir, bufsize=0,
+            stdout=subprocess.PIPE)
+
+        logger.debug("Running publishing monitor for PID %d" % proc.pid)
+        thread = _PublishThread(proc)
+        thread.start()
+        proc.wait()
+        thread.join()
+
+        if proc.returncode != 0:
+            logger.error(
+                "Publish process returned code %d" % proc.returncode)
+        else:
+            logger.debug("Publish process returned successfully.")
+
+        return proc.returncode == 0
+
+    def _getCommandArgs(self, ctx):
+        raise NotImplementedError()
+
+
+class _PublishThread(threading.Thread):
+    def __init__(self, proc):
+        super(_PublishThread, self).__init__(
+            name='publish_monitor', daemon=True)
+        self.proc = proc
+        self.root_logger = logging.getLogger()
+
+    def run(self):
+        for line in iter(self.proc.stdout.readline, b''):
+            line_str = line.decode('utf8')
+            logger.info(line_str.rstrip('\r\n'))
+            for h in self.root_logger.handlers:
+                h.flush()
+
+        self.proc.communicate()
+        logger.debug("Publish monitor exiting.")
 
 
 class ShellCommandPublisher(ShellCommandPublisherBase):
--- a/piecrust/records.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,133 +0,0 @@
-import os
-import os.path
-import pickle
-import logging
-from piecrust import APP_VERSION
-from piecrust.events import Event
-
-
-logger = logging.getLogger(__name__)
-
-
-class Record(object):
-    def __init__(self):
-        self.entries = []
-        self.entry_added = Event()
-        self.app_version = APP_VERSION
-        self.record_version = self.__class__.RECORD_VERSION
-        self.stats = {}
-
-    def hasLatestVersion(self):
-        return (self.app_version == APP_VERSION and
-                self.record_version == self.__class__.RECORD_VERSION)
-
-    def addEntry(self, entry):
-        self.entries.append(entry)
-        self.entry_added.fire(entry)
-
-    def save(self, path):
-        path_dir = os.path.dirname(path)
-        if not os.path.isdir(path_dir):
-            os.makedirs(path_dir, 0o755)
-
-        with open(path, 'wb') as fp:
-            pickle.dump(self, fp, pickle.HIGHEST_PROTOCOL)
-
-    def __getstate__(self):
-        odict = self.__dict__.copy()
-        del odict['entry_added']
-        return odict
-
-    def __setstate__(self, state):
-        state['entry_added'] = Event()
-        self.__dict__.update(state)
-
-    @staticmethod
-    def load(path):
-        logger.debug("Loading bake record from: %s" % path)
-        with open(path, 'rb') as fp:
-            return pickle.load(fp)
-
-
-class TransitionalRecord(object):
-    def __init__(self, record_class, previous_path=None):
-        self._record_class = record_class
-        self.transitions = {}
-        self.incremental_count = 0
-        self.current = record_class()
-        if previous_path:
-            self.loadPrevious(previous_path)
-        else:
-            self.previous = record_class()
-        self.current.entry_added += self._onCurrentEntryAdded
-
-    def loadPrevious(self, previous_path):
-        previous_record_valid = True
-        try:
-            self.previous = self._record_class.load(previous_path)
-        except Exception as ex:
-            logger.debug("Error loading previous record: %s" % ex)
-            logger.debug("Will reset to an empty one.")
-            previous_record_valid = False
-
-        if self.previous.record_version != self._record_class.RECORD_VERSION:
-            logger.debug(
-                    "Previous record has old version %s." %
-                    self.previous.record_version)
-            logger.debug("Will reset to an empty one.")
-            previous_record_valid = False
-
-        if not previous_record_valid:
-            self.previous = self._record_class()
-            return
-
-        self._rebuildTransitions()
-
-    def setPrevious(self, previous_record):
-        self.previous = previous_record
-        self._rebuildTransitions()
-
-    def clearPrevious(self):
-        self.setPrevious(self._record_class())
-
-    def saveCurrent(self, current_path):
-        self.current.save(current_path)
-
-    def detach(self):
-        res = self.current
-        self.current.entry_added -= self._onCurrentEntryAdded
-        self.current = None
-        self.previous = None
-        self.transitions = {}
-        return res
-
-    def addEntry(self, entry):
-        self.current.addEntry(entry)
-
-    def getTransitionKey(self, entry):
-        raise NotImplementedError()
-
-    def _rebuildTransitions(self):
-        self.transitions = {}
-        for e in self.previous.entries:
-            key = self.getTransitionKey(e)
-            self.transitions[key] = (e, None)
-
-    def _onCurrentEntryAdded(self, entry):
-        key = self.getTransitionKey(entry)
-        te = self.transitions.get(key)
-        if te is None:
-            logger.debug("Adding new record entry: %s" % key)
-            self.transitions[key] = (None, entry)
-            self._onNewEntryAdded(entry)
-            return
-
-        if te[1] is not None:
-            raise Exception("A current entry already exists for: %s" %
-                    key)
-        logger.debug("Setting current record entry: %s" % key)
-        self.transitions[key] = (te[0], entry)
-
-    def _onNewEntryAdded(self, entry):
-        pass
-
--- a/piecrust/rendering.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/rendering.py	Fri Sep 29 17:05:09 2017 -0700
@@ -2,14 +2,10 @@
 import os.path
 import copy
 import logging
-from werkzeug.utils import cached_property
 from piecrust.data.builder import (
-        DataBuildingContext, build_page_data, build_layout_data)
-from piecrust.data.filters import (
-        PaginationFilter, SettingFilterClause, page_value_accessor)
-from piecrust.fastpickle import _pickle_object, _unpickle_object
-from piecrust.sources.base import PageSource
+    DataBuildingContext, build_page_data, add_layout_data)
 from piecrust.templating.base import TemplateNotFoundError, TemplatingError
+from piecrust.sources.base import AbortedSourceUseError
 
 
 logger = logging.getLogger(__name__)
@@ -19,7 +15,7 @@
                                  re.MULTILINE)
 
 
-class PageRenderingError(Exception):
+class RenderingError(Exception):
     pass
 
 
@@ -27,19 +23,6 @@
     pass
 
 
-class QualifiedPage(object):
-    def __init__(self, page, route, route_metadata):
-        self.page = page
-        self.route = route
-        self.route_metadata = route_metadata
-
-    def getUri(self, sub_num=1):
-        return self.route.getUri(self.route_metadata, sub_num=sub_num)
-
-    def __getattr__(self, name):
-        return getattr(self.page, name)
-
-
 class RenderedSegments(object):
     def __init__(self, segments, render_pass_info):
         self.segments = segments
@@ -53,10 +36,9 @@
 
 
 class RenderedPage(object):
-    def __init__(self, page, uri, num=1):
+    def __init__(self, page, sub_num):
         self.page = page
-        self.uri = uri
-        self.num = num
+        self.sub_num = sub_num
         self.data = None
         self.content = None
         self.render_info = [None, None]
@@ -94,13 +76,11 @@
         return self._custom_info.get(key, default)
 
 
-class PageRenderingContext(object):
-    def __init__(self, qualified_page, page_num=1,
-                 force_render=False, is_from_request=False):
-        self.page = qualified_page
-        self.page_num = page_num
+class RenderingContext(object):
+    def __init__(self, page, *, sub_num=1, force_render=False):
+        self.page = page
+        self.sub_num = sub_num
         self.force_render = force_render
-        self.is_from_request = is_from_request
         self.pagination_source = None
         self.pagination_filter = None
         self.custom_data = {}
@@ -112,14 +92,6 @@
         return self.page.app
 
     @property
-    def source_metadata(self):
-        return self.page.source_metadata
-
-    @cached_property
-    def uri(self):
-        return self.page.getUri(self.page_num)
-
-    @property
     def current_pass_info(self):
         if self._current_pass != PASS_NONE:
             return self.render_passes[self._current_pass]
@@ -142,132 +114,186 @@
 
     def addUsedSource(self, source):
         self._raiseIfNoCurrentPass()
-        if isinstance(source, PageSource):
-            pass_info = self.current_pass_info
-            pass_info.used_source_names.add(source.name)
+        pass_info = self.current_pass_info
+        pass_info.used_source_names.add(source.name)
 
     def _raiseIfNoCurrentPass(self):
         if self._current_pass == PASS_NONE:
             raise Exception("No rendering pass is currently active.")
 
 
+class RenderingContextStack(object):
+    def __init__(self):
+        self._ctx_stack = []
+
+    @property
+    def is_empty(self):
+        return len(self._ctx_stack) == 0
+
+    @property
+    def current_ctx(self):
+        if len(self._ctx_stack) == 0:
+            return None
+        return self._ctx_stack[-1]
+
+    @property
+    def is_main_ctx(self):
+        return len(self._ctx_stack) == 1
+
+    def hasPage(self, page):
+        for ei in self._ctx_stack:
+            if ei.page == page:
+                return True
+        return False
+
+    def pushCtx(self, render_ctx):
+        for ctx in self._ctx_stack:
+            if ctx.page == render_ctx.page:
+                raise Exception("Loop detected during rendering!")
+        self._ctx_stack.append(render_ctx)
+
+    def popCtx(self):
+        del self._ctx_stack[-1]
+
+    def clear(self):
+        self._ctx_stack = []
+
+
 def render_page(ctx):
-    eis = ctx.app.env.exec_info_stack
-    eis.pushPage(ctx.page, ctx)
+    env = ctx.app.env
+    stats = env.stats
+
+    stack = env.render_ctx_stack
+    stack.pushCtx(ctx)
+
+    page = ctx.page
+    page_uri = page.getUri(ctx.sub_num)
+
     try:
         # Build the data for both segment and layout rendering.
-        with ctx.app.env.timerScope("BuildRenderData"):
+        with stats.timerScope("BuildRenderData"):
             page_data = _build_render_data(ctx)
 
         # Render content segments.
         ctx.setCurrentPass(PASS_FORMATTING)
-        repo = ctx.app.env.rendered_segments_repository
+        repo = env.rendered_segments_repository
         save_to_fs = True
-        if ctx.app.env.fs_cache_only_for_main_page and not eis.is_main_page:
+        if env.fs_cache_only_for_main_page and not stack.is_main_ctx:
             save_to_fs = False
-        with ctx.app.env.timerScope("PageRenderSegments"):
-            if repo and not ctx.force_render:
+        with stats.timerScope("PageRenderSegments"):
+            if repo is not None and not ctx.force_render:
                 render_result = repo.get(
-                        ctx.uri,
-                        lambda: _do_render_page_segments(ctx.page, page_data),
-                        fs_cache_time=ctx.page.path_mtime,
-                        save_to_fs=save_to_fs)
+                    page_uri,
+                    lambda: _do_render_page_segments(ctx, page_data),
+                    fs_cache_time=page.content_mtime,
+                    save_to_fs=save_to_fs)
             else:
-                render_result = _do_render_page_segments(ctx.page, page_data)
+                render_result = _do_render_page_segments(ctx, page_data)
                 if repo:
-                    repo.put(ctx.uri, render_result, save_to_fs)
+                    repo.put(page_uri, render_result, save_to_fs)
 
         # Render layout.
-        page = ctx.page
         ctx.setCurrentPass(PASS_RENDERING)
         layout_name = page.config.get('layout')
         if layout_name is None:
-            layout_name = page.source.config.get('default_layout', 'default')
+            layout_name = page.source.config.get(
+                'default_layout', 'default')
         null_names = ['', 'none', 'nil']
         if layout_name not in null_names:
-            with ctx.app.env.timerScope("BuildRenderData"):
-                build_layout_data(page, page_data, render_result['segments'])
+            with stats.timerScope("BuildRenderData"):
+                add_layout_data(page_data, render_result.segments)
 
-            with ctx.app.env.timerScope("PageRenderLayout"):
-                layout_result = _do_render_layout(layout_name, page, page_data)
+            with stats.timerScope("PageRenderLayout"):
+                layout_result = _do_render_layout(
+                    layout_name, page, page_data)
         else:
-            layout_result = {
-                    'content': render_result['segments']['content'],
-                    'pass_info': None}
+            layout_result = RenderedLayout(
+                render_result.segments['content'], None)
 
-        rp = RenderedPage(page, ctx.uri, ctx.page_num)
+        rp = RenderedPage(page, ctx.sub_num)
         rp.data = page_data
-        rp.content = layout_result['content']
-        rp.render_info[PASS_FORMATTING] = _unpickle_object(
-                render_result['pass_info'])
-        if layout_result['pass_info'] is not None:
-            rp.render_info[PASS_RENDERING] = _unpickle_object(
-                    layout_result['pass_info'])
+        rp.content = layout_result.content
+        rp.render_info[PASS_FORMATTING] = render_result.render_pass_info
+        rp.render_info[PASS_RENDERING] = layout_result.render_pass_info
         return rp
+
+    except AbortedSourceUseError:
+        raise
     except Exception as ex:
         if ctx.app.debug:
             raise
         logger.exception(ex)
-        page_rel_path = os.path.relpath(ctx.page.path, ctx.app.root_dir)
-        raise Exception("Error rendering page: %s" % page_rel_path) from ex
+        raise Exception("Error rendering page: %s" %
+                        ctx.page.content_spec) from ex
+
     finally:
         ctx.setCurrentPass(PASS_NONE)
-        eis.popPage()
+        stack.popCtx()
 
 
 def render_page_segments(ctx):
-    eis = ctx.app.env.exec_info_stack
-    eis.pushPage(ctx.page, ctx)
+    env = ctx.app.env
+    stats = env.stats
+
+    stack = env.render_ctx_stack
+
+    if env.abort_source_use and not stack.is_empty:
+        cur_spec = ctx.page.content_spec
+        from_spec = stack.current_ctx.page.content_spec
+        logger.debug("Aborting rendering of '%s' from: %s." %
+                     (cur_spec, from_spec))
+        raise AbortedSourceUseError()
+
+    stack.pushCtx(ctx)
+
+    page = ctx.page
+    page_uri = page.getUri(ctx.sub_num)
+
     try:
         ctx.setCurrentPass(PASS_FORMATTING)
-        repo = ctx.app.env.rendered_segments_repository
+        repo = env.rendered_segments_repository
+
         save_to_fs = True
-        if ctx.app.env.fs_cache_only_for_main_page and not eis.is_main_page:
+        if env.fs_cache_only_for_main_page and not stack.is_main_ctx:
             save_to_fs = False
-        with ctx.app.env.timerScope("PageRenderSegments"):
-            if repo and not ctx.force_render:
+
+        with stats.timerScope("PageRenderSegments"):
+            if repo is not None and not ctx.force_render:
                 render_result = repo.get(
-                    ctx.uri,
+                    page_uri,
                     lambda: _do_render_page_segments_from_ctx(ctx),
-                    fs_cache_time=ctx.page.path_mtime,
+                    fs_cache_time=page.content_mtime,
                     save_to_fs=save_to_fs)
             else:
                 render_result = _do_render_page_segments_from_ctx(ctx)
                 if repo:
-                    repo.put(ctx.uri, render_result, save_to_fs)
+                    repo.put(page_uri, render_result, save_to_fs)
     finally:
         ctx.setCurrentPass(PASS_NONE)
-        eis.popPage()
+        stack.popCtx()
 
-    rs = RenderedSegments(
-            render_result['segments'],
-            _unpickle_object(render_result['pass_info']))
-    return rs
+    return render_result
 
 
 def _build_render_data(ctx):
-    with ctx.app.env.timerScope("PageDataBuild"):
-        data_ctx = DataBuildingContext(ctx.page, page_num=ctx.page_num)
-        data_ctx.pagination_source = ctx.pagination_source
-        data_ctx.pagination_filter = ctx.pagination_filter
-        page_data = build_page_data(data_ctx)
-        if ctx.custom_data:
-            page_data._appendMapping(ctx.custom_data)
-        return page_data
+    data_ctx = DataBuildingContext(ctx.page, ctx.sub_num)
+    data_ctx.pagination_source = ctx.pagination_source
+    data_ctx.pagination_filter = ctx.pagination_filter
+    page_data = build_page_data(data_ctx)
+    if ctx.custom_data:
+        page_data._appendMapping(ctx.custom_data)
+    return page_data
 
 
 def _do_render_page_segments_from_ctx(ctx):
     page_data = _build_render_data(ctx)
-    return _do_render_page_segments(ctx.page, page_data)
+    return _do_render_page_segments(ctx, page_data)
 
 
-def _do_render_page_segments(page, page_data):
+def _do_render_page_segments(ctx, page_data):
+    page = ctx.page
     app = page.app
 
-    cpi = app.env.exec_info_stack.current_page_info
-    assert cpi is not None
-    assert cpi.page == page
-
     engine_name = page.config.get('template_engine')
     format_name = page.config.get('format')
 
@@ -279,10 +305,10 @@
         for seg_part in seg.parts:
             part_format = seg_part.fmt or format_name
             try:
-                with app.env.timerScope(
+                with app.env.stats.timerScope(
                         engine.__class__.__name__ + '_segment'):
                     part_text = engine.renderSegmentPart(
-                            page.path, seg_part, page_data)
+                        page.content_spec, seg_part, page_data)
             except TemplatingError as err:
                 err.lineno += seg_part.line
                 raise err
@@ -298,43 +324,47 @@
                 content_abstract = seg_text[:offset]
                 formatted_segments['content.abstract'] = content_abstract
 
-    pass_info = cpi.render_ctx.render_passes[PASS_FORMATTING]
-    res = {
-            'segments': formatted_segments,
-            'pass_info': _pickle_object(pass_info)}
+    pass_info = ctx.render_passes[PASS_FORMATTING]
+    res = RenderedSegments(formatted_segments, pass_info)
+
+    app.env.stats.stepCounter('PageRenderSegments')
+
     return res
 
 
 def _do_render_layout(layout_name, page, layout_data):
-    cpi = page.app.env.exec_info_stack.current_page_info
-    assert cpi is not None
-    assert cpi.page == page
+    app = page.app
+    cur_ctx = app.env.render_ctx_stack.current_ctx
+    assert cur_ctx is not None
+    assert cur_ctx.page == page
 
     names = layout_name.split(',')
-    default_exts = page.app.env.default_layout_extensions
     full_names = []
     for name in names:
         if '.' not in name:
-            for ext in default_exts:
-                full_names.append(name + ext)
+            full_names.append(name + '.html')
         else:
             full_names.append(name)
 
     _, engine_name = os.path.splitext(full_names[0])
     engine_name = engine_name.lstrip('.')
-    engine = get_template_engine(page.app, engine_name)
+    engine = get_template_engine(app, engine_name)
 
     try:
-        with page.app.env.timerScope(engine.__class__.__name__ + '_layout'):
+        with app.env.stats.timerScope(
+                engine.__class__.__name__ + '_layout'):
             output = engine.renderFile(full_names, layout_data)
     except TemplateNotFoundError as ex:
         logger.exception(ex)
-        msg = "Can't find template for page: %s\n" % page.path
+        msg = "Can't find template for page: %s\n" % page.content_item.spec
         msg += "Looked for: %s" % ', '.join(full_names)
         raise Exception(msg) from ex
 
-    pass_info = cpi.render_ctx.render_passes[PASS_RENDERING]
-    res = {'content': output, 'pass_info': _pickle_object(pass_info)}
+    pass_info = cur_ctx.render_passes[PASS_RENDERING]
+    res = RenderedLayout(output, pass_info)
+
+    app.env.stats.stepCounter('PageRenderLayout')
+
     return res
 
 
@@ -354,11 +384,17 @@
 
     format_count = 0
     format_name = format_name or app.config.get('site/default_format')
+
+    auto_fmts = app.config.get('site/auto_formats')
+    redirect = auto_fmts.get(format_name)
+    if redirect is not None:
+        format_name = redirect
+
     for fmt in app.plugin_loader.getFormatters():
         if not fmt.enabled:
             continue
         if fmt.FORMAT_NAMES is None or format_name in fmt.FORMAT_NAMES:
-            with app.env.timerScope(fmt.__class__.__name__):
+            with app.env.stats.timerScope(fmt.__class__.__name__):
                 txt = fmt.render(format_name, txt)
             format_count += 1
             if fmt.OUTPUT_FORMAT is not None:
--- a/piecrust/resources/theme/pages/_category.html	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,16 +0,0 @@
----
-title:
-format: none
----
-<h2>Posts in {{ category }}</h2>
-
-<section>
-    {% for post in pagination.posts %}
-    {% include 'partial_post.html' %}
-    {% endfor %}
-</section>
-<section>
-    {% if pagination.prev_page %}<div class="prev"><a href="{{ pagination.prev_page }}">Next Posts</a></div>{% endif %}
-    {% if pagination.next_page %}<div class="next"><a href="{{ pagination.next_page }}">Previous Posts</a></div>{% endif %}
-</section>
-
--- a/piecrust/resources/theme/pages/_tag.html	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,20 +0,0 @@
----
-title:
-format: none
----
-{% set display_tag = tag %}
-{% if is_multiple_tag %}
-    {% set display_tag = tag|join(', ') %}
-{% endif %}
-<h2>Posts tagged with {{ display_tag }}</h2>
-
-<section>
-    {% for post in pagination.posts %}
-    {% include 'partial_post.html' %}
-    {% endfor %}
-</section>
-<section>
-    {% if pagination.prev_page %}<div class="prev"><a href="{{ pagination.prev_page }}">Next Posts</a></div>{% endif %}
-    {% if pagination.next_page %}<div class="next"><a href="{{ pagination.next_page }}">Previous Posts</a></div>{% endif %}
-</section>
-
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/resources/theme/templates/_category.html	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,15 @@
+{% extends "default.html" %}
+
+{% block main %}
+<h2>Posts in {{ category }}</h2>
+
+<section>
+    {% for post in pagination.posts %}
+    {% include 'partial_post.html' %}
+    {% endfor %}
+</section>
+<section>
+    {% if pagination.prev_page %}<div class="prev"><a href="{{ pagination.prev_page }}">Next Posts</a></div>{% endif %}
+    {% if pagination.next_page %}<div class="next"><a href="{{ pagination.next_page }}">Previous Posts</a></div>{% endif %}
+</section>
+{% endblock %}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/resources/theme/templates/_tag.html	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,19 @@
+{% extends "default.html" %}
+
+{% block main %}
+{% set display_tag = tag %}
+{% if is_multiple_tag %}
+    {% set display_tag = tag|join(', ') %}
+{% endif %}
+<h2>Posts tagged with {{ display_tag }}</h2>
+
+<section>
+    {% for post in pagination.posts %}
+    {% include 'partial_post.html' %}
+    {% endfor %}
+</section>
+<section>
+    {% if pagination.prev_page %}<div class="prev"><a href="{{ pagination.prev_page }}">Next Posts</a></div>{% endif %}
+    {% if pagination.next_page %}<div class="next"><a href="{{ pagination.next_page }}">Previous Posts</a></div>{% endif %}
+</section>
+{% endblock %}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/resources/theme/templates/_year.html	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,15 @@
+{% extends "default.html" %}
+
+{% block main %}
+<h2>Posts in {{ year }}</h2>
+
+<section>
+    {% for post in pagination.posts %}
+    <p><em>{{post.timestamp|date('%d %B')}}</em> &ndash; <a href="{{ post.url }}">{{ post.title }}</a></p>
+    {% endfor %}
+</section>
+<section>
+    {% if pagination.prev_page %}<div class="prev"><a href="{{ pagination.prev_page }}">Next Posts</a></div>{% endif %}
+    {% if pagination.next_page %}<div class="next"><a href="{{ pagination.next_page }}">Previous Posts</a></div>{% endif %}
+</section>
+{% endblock %}
--- a/piecrust/routing.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/routing.py	Fri Sep 29 17:05:09 2017 -0700
@@ -10,7 +10,8 @@
 
 
 route_re = re.compile(r'%((?P<qual>[\w\d]+):)?(?P<var>\+)?(?P<name>\w+)%')
-route_esc_re = re.compile(r'\\%((?P<qual>[\w\d]+)\\:)?(?P<var>\\\+)?(?P<name>\w+)\\%')
+route_esc_re = re.compile(
+    r'\\%((?P<qual>[\w\d]+)\\:)?(?P<var>\\\+)?(?P<name>\w+)\\%')
 ugly_url_cleaner = re.compile(r'\.html$')
 
 
@@ -22,15 +23,6 @@
     pass
 
 
-def create_route_metadata(page):
-    route_metadata = copy.deepcopy(page.source_metadata)
-    return route_metadata
-
-
-ROUTE_TYPE_SOURCE = 0
-ROUTE_TYPE_GENERATOR = 1
-
-
 class RouteParameter(object):
     TYPE_STRING = 0
     TYPE_PATH = 1
@@ -46,29 +38,23 @@
 class Route(object):
     """ Information about a route for a PieCrust application.
         Each route defines the "shape" of an URL and how it maps to
-        sources and generators.
+        content sources.
     """
     def __init__(self, app, cfg):
         self.app = app
-
-        self.source_name = cfg.get('source')
-        self.generator_name = cfg.get('generator')
-        if not self.source_name and not self.generator_name:
-            raise InvalidRouteError(
-                    "Both `source` and `generator` are specified.")
+        self.config = copy.deepcopy(cfg)
 
+        self.source_name = cfg['source']
         self.uri_pattern = cfg['url'].lstrip('/')
+        self.pass_num = cfg['pass']
 
-        if self.is_source_route:
-            self.supported_params = self.source.getSupportedRouteParameters()
-        else:
-            self.supported_params = self.generator.getSupportedRouteParameters()
+        self.supported_params = self.source.getSupportedRouteParameters()
 
         self.pretty_urls = app.config.get('site/pretty_urls')
         self.trailing_slash = app.config.get('site/trailing_slash')
         self.show_debug_info = app.config.get('site/show_debug_info')
         self.pagination_suffix_format = app.config.get(
-                '__cache/pagination_suffix_format')
+            '__cache/pagination_suffix_format')
         self.uri_root = app.config.get('site/root')
 
         self.uri_params = []
@@ -87,9 +73,9 @@
         # (maybe there's a better way to do it but I can't think of any
         # right now)
         uri_pattern_no_path = (
-                route_re.sub(self._uriNoPathRepl, self.uri_pattern)
-                .replace('//', '/')
-                .rstrip('/'))
+            route_re.sub(self._uriNoPathRepl, self.uri_pattern)
+            .replace('//', '/')
+            .rstrip('/'))
         if uri_pattern_no_path != self.uri_pattern:
             p = route_esc_re.sub(self._uriPatternRepl,
                                  re.escape(uri_pattern_no_path)) + '$'
@@ -109,43 +95,15 @@
             last_param = self.getParameter(self.uri_params[-1])
             self.func_has_variadic_parameter = last_param.variadic
 
-    @property
-    def route_type(self):
-        if self.source_name:
-            return ROUTE_TYPE_SOURCE
-        elif self.generator_name:
-            return ROUTE_TYPE_GENERATOR
-        else:
-            raise InvalidRouteError()
-
-    @property
-    def is_source_route(self):
-        return self.route_type == ROUTE_TYPE_SOURCE
-
-    @property
-    def is_generator_route(self):
-        return self.route_type == ROUTE_TYPE_GENERATOR
-
     @cached_property
     def source(self):
-        if not self.is_source_route:
-            return InvalidRouteError("This is not a source route.")
         for src in self.app.sources:
             if src.name == self.source_name:
                 return src
-        raise Exception("Can't find source '%s' for route '%s'." % (
+        raise Exception(
+            "Can't find source '%s' for route '%s'." % (
                 self.source_name, self.uri_pattern))
 
-    @cached_property
-    def generator(self):
-        if not self.is_generator_route:
-            return InvalidRouteError("This is not a generator route.")
-        for gen in self.app.generators:
-            if gen.name == self.generator_name:
-                return gen
-        raise Exception("Can't find generator '%s' for route '%s'." % (
-                self.generator_name, self.uri_pattern))
-
     def hasParameter(self, name):
         return any(lambda p: p.param_name == name, self.supported_params)
 
@@ -159,8 +117,8 @@
     def getParameterType(self, name):
         return self.getParameter(name).param_type
 
-    def matchesMetadata(self, route_metadata):
-        return set(self.uri_params).issubset(route_metadata.keys())
+    def matchesParameters(self, route_params):
+        return set(self.uri_params).issubset(route_params.keys())
 
     def matchUri(self, uri, strict=False):
         if not uri.startswith(self.uri_root):
@@ -172,42 +130,42 @@
         elif self.trailing_slash:
             uri = uri.rstrip('/')
 
-        route_metadata = None
+        route_params = None
         m = self.uri_re.match(uri)
         if m:
-            route_metadata = m.groupdict()
+            route_params = m.groupdict()
         if self.uri_re_no_path:
             m = self.uri_re_no_path.match(uri)
             if m:
-                route_metadata = m.groupdict()
-        if route_metadata is None:
+                route_params = m.groupdict()
+        if route_params is None:
             return None
 
         if not strict:
             # When matching URIs, if the URI is a match but is missing some
-            # metadata, fill those up with empty strings. This can happen if,
+            # parameters, fill those up with empty strings. This can happen if,
             # say, a route's pattern is `/foo/%slug%`, and we're matching an
             # URL like `/foo`.
-            matched_keys = set(route_metadata.keys())
+            matched_keys = set(route_params.keys())
             missing_keys = set(self.uri_params) - matched_keys
             for k in missing_keys:
                 if self.getParameterType(k) != RouteParameter.TYPE_PATH:
                     return None
-                route_metadata[k] = ''
+                route_params[k] = ''
 
-        for k in route_metadata:
-            route_metadata[k] = self._coerceRouteParameter(
-                    k, route_metadata[k])
+        for k in route_params:
+            route_params[k] = self._coerceRouteParameter(
+                k, route_params[k])
 
-        return route_metadata
+        return route_params
 
-    def getUri(self, route_metadata, *, sub_num=1):
-        route_metadata = dict(route_metadata)
-        for k in route_metadata:
-            route_metadata[k] = self._coerceRouteParameter(
-                    k, route_metadata[k])
+    def getUri(self, route_params, *, sub_num=1):
+        route_params = dict(route_params)
+        for k in route_params:
+            route_params[k] = self._coerceRouteParameter(
+                k, route_params[k])
 
-        uri = self.uri_format % route_metadata
+        uri = self.uri_format % route_params
         suffix = None
         if sub_num > 1:
             # Note that we know the pagination suffix starts with a slash.
@@ -258,9 +216,9 @@
 
         if len(args) < fixed_param_count:
             raise Exception(
-                    "Route function '%s' expected %d arguments, "
-                    "got %d: %s" %
-                    (self.func_name, fixed_param_count, len(args), args))
+                "Route function '%s' expected %d arguments, "
+                "got %d: %s" %
+                (self.func_name, fixed_param_count, len(args), args))
 
         if self.func_has_variadic_parameter:
             coerced_args = list(args[:fixed_param_count])
@@ -270,15 +228,14 @@
         else:
             coerced_args = args
 
-        metadata = {}
+        route_params = {}
         for arg_name, arg_val in zip(self.uri_params, coerced_args):
-            metadata[arg_name] = self._coerceRouteParameter(
-                    arg_name, arg_val)
+            route_params[arg_name] = self._coerceRouteParameter(
+                arg_name, arg_val)
 
-        if self.is_generator_route:
-            self.generator.onRouteFunctionUsed(self, metadata)
+        self.source.onRouteFunctionUsed(route_params)
 
-        return self.getUri(metadata)
+        return self.getUri(route_params)
 
     def _uriFormatRepl(self, m):
         if m.group('qual') or m.group('var'):
@@ -350,32 +307,12 @@
         return name
 
 
-class CompositeRouteFunction(object):
-    def __init__(self):
-        self._routes = []
-        self._arg_names = None
-
-    def addFunc(self, route):
-        if self._arg_names is None:
-            self._arg_names = list(route.uri_params)
-
-        if route.uri_params != self._arg_names:
-            raise Exception("Cannot merge route function with arguments '%s' "
-                            "with route function with arguments '%s'." %
-                            (route.uri_params, self._arg_names))
-        self._routes.append(route)
+class RouteFunction:
+    def __init__(self, route):
+        self._route = route
 
     def __call__(self, *args, **kwargs):
-        if len(self._routes) == 1 or len(args) == len(self._arg_names):
-            return self._routes[0].execTemplateFunc(*args, **kwargs)
+        return self._route.execTemplateFunc(*args, **kwargs)
 
-        if len(args) == len(self._arg_names) + 1:
-            f_args = args[:-1]
-            for r in self._routes:
-                if r.source_name == args[-1]:
-                    return r.execTemplateFunc(*f_args, **kwargs)
-            raise Exception("No such source: %s" % args[-1])
-
-        raise Exception("Incorrect number of arguments for route function. "
-                        "Expected '%s', got '%s'" % (self._arg_names, args))
-
+    def _isCompatibleRoute(self, route):
+        return self._route.uri_pattern == route.uri_pattern
--- a/piecrust/serving/middlewares.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/serving/middlewares.py	Fri Sep 29 17:05:09 2017 -0700
@@ -4,15 +4,15 @@
 from werkzeug.wsgi import ClosingIterator
 from piecrust import RESOURCES_DIR, CACHE_DIR
 from piecrust.data.builder import (
-        DataBuildingContext, build_page_data)
+    DataBuildingContext, build_page_data)
 from piecrust.data.debug import build_var_debug_info
+from piecrust.page import PageNotFoundError
 from piecrust.routing import RouteNotFoundError
 from piecrust.serving.util import (
-        make_wrapped_file_response, get_requested_page, get_app_for_server)
-from piecrust.sources.pageref import PageNotFoundError
+    make_wrapped_file_response, get_requested_page, get_app_for_server)
 
 
-class StaticResourcesMiddleware(object):
+class PieCrustStaticResourcesMiddleware(object):
     """ WSGI middleware that serves static files from the `resources/server`
         directory in the PieCrust package.
     """
@@ -29,7 +29,7 @@
             full_path = os.path.join(mount, rel_req_path)
             try:
                 response = make_wrapped_file_response(
-                        environ, request, full_path)
+                    environ, request, full_path)
                 return response(environ, start_response)
             except OSError:
                 pass
@@ -38,7 +38,8 @@
 
 
 class PieCrustDebugMiddleware(object):
-    """ WSGI middleware that handles debugging of PieCrust stuff.
+    """ WSGI middleware that handles debugging of PieCrust stuff, and runs
+        the asset pipeline in an SSE thread.
     """
     def __init__(self, app, appfactory,
                  run_sse_check=None):
@@ -47,11 +48,11 @@
         self.run_sse_check = run_sse_check
         self._proc_loop = None
         self._out_dir = os.path.join(
-                appfactory.root_dir, CACHE_DIR, appfactory.cache_key, 'server')
+            appfactory.root_dir, CACHE_DIR, appfactory.cache_key, 'server')
         self._handlers = {
-                'debug_info': self._getDebugInfo,
-                'werkzeug_shutdown': self._shutdownWerkzeug,
-                'pipeline_status': self._startSSEProvider}
+            'debug_info': self._getDebugInfo,
+            'werkzeug_shutdown': self._shutdownWerkzeug,
+            'pipeline_status': self._startSSEProvider}
 
         if not self.run_sse_check or self.run_sse_check():
             # When using a server with code reloading, some implementations
@@ -89,8 +90,8 @@
         if not found:
             return NotFound("No such page: %s" % page_path)
 
-        ctx = DataBuildingContext(req_page.qualified_page,
-                                  page_num=req_page.page_num)
+        ctx = DataBuildingContext(req_page.page,
+                                  sub_num=req_page.sub_num)
         data = build_page_data(ctx)
 
         var_path = request.args.getlist('var')
@@ -111,15 +112,15 @@
 
     def _startSSEProvider(self, request, start_response):
         from piecrust.serving.procloop import (
-                PipelineStatusServerSentEventProducer)
+            PipelineStatusServerSentEventProducer)
         provider = PipelineStatusServerSentEventProducer(
-                self._proc_loop)
+            self._proc_loop)
         it = provider.run()
         response = Response(it, mimetype='text/event-stream')
         response.headers['Cache-Control'] = 'no-cache'
         response.headers['Last-Event-ID'] = \
             self._proc_loop.last_status_id
         return ClosingIterator(
-                response(request.environ, start_response),
-                [provider.close])
+            response(request.environ, start_response),
+            [provider.close])
 
--- a/piecrust/serving/procloop.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/serving/procloop.py	Fri Sep 29 17:05:09 2017 -0700
@@ -7,8 +7,12 @@
 import itertools
 import threading
 from piecrust import CONFIG_PATH, THEME_CONFIG_PATH
-from piecrust.app import PieCrust
-from piecrust.processing.pipeline import ProcessorPipeline
+from piecrust.chefutil import format_timed_scope
+from piecrust.pipelines.base import (
+    PipelineJobCreateContext, PipelineJobRunContext, PipelineJobResult,
+    PipelineManager)
+from piecrust.pipelines.records import (
+    MultiRecord, MultiRecordHistory)
 
 
 logger = logging.getLogger(__name__)
@@ -74,25 +78,28 @@
         self._running = 2
 
 
+class _AssetProcessingInfo:
+    def __init__(self, source):
+        self.source = source
+        self.paths = set()
+        self.last_bake_time = time.time()
+
+
 class ProcessingLoop(threading.Thread):
     def __init__(self, appfactory, out_dir):
-        super(ProcessingLoop, self).__init__(
-                name='pipeline-reloader', daemon=True)
+        super().__init__(name='pipeline-reloader', daemon=True)
         self.appfactory = appfactory
         self.out_dir = out_dir
         self.last_status_id = 0
         self.interval = 1
-        self.app = None
-        self._roots = []
-        self._monitor_assets_root = False
-        self._paths = set()
-        self._record = None
-        self._last_bake = 0
+        self._app = None
+        self._proc_infos = None
+        self._last_records = None
         self._last_config_mtime = 0
         self._obs = []
         self._obs_lock = threading.Lock()
         config_name = (
-                THEME_CONFIG_PATH if appfactory.theme_site else CONFIG_PATH)
+            THEME_CONFIG_PATH if appfactory.theme_site else CONFIG_PATH)
         self._config_path = os.path.join(appfactory.root_dir, config_name)
 
     def addObserver(self, obs):
@@ -104,116 +111,124 @@
             self._obs.remove(obs)
 
     def run(self):
-        self._initPipeline()
+        logger.debug("Initializing processing loop with output: %s" %
+                     self.out_dir)
+        try:
+            self._init()
+        except Exception as ex:
+            logger.error("Error initializing processing loop:")
+            logger.exception(ex)
+            return
 
-        self._last_bake = time.time()
+        logger.debug("Doing initial processing loop bake...")
+        self._runPipelinesSafe()
+
+        logger.debug("Running processing loop...")
         self._last_config_mtime = os.path.getmtime(self._config_path)
-        self._record = self.pipeline.run()
 
         while True:
             cur_config_time = os.path.getmtime(self._config_path)
             if self._last_config_mtime < cur_config_time:
                 logger.info("Site configuration changed, reloading pipeline.")
                 self._last_config_mtime = cur_config_time
-                self._initPipeline()
-                for root in self._roots:
-                    self._runPipeline(root)
+                self._init()
+                self._runPipelines()
                 continue
 
-            if self._monitor_assets_root:
-                assets_dir = os.path.join(self.app.root_dir, 'assets')
-                if os.path.isdir(assets_dir):
-                    logger.info("Assets directory was created, reloading "
-                                "pipeline.")
-                    self._initPipeline()
-                    self._runPipeline(assets_dir)
-                    continue
-
-            for root in self._roots:
-                # For each mount root we try to find the first new or
+            for procinfo in self._proc_infos.values():
+                # For each assets folder we try to find the first new or
                 # modified file. If any, we just run the pipeline on
-                # that mount.
+                # that source.
                 found_new_or_modified = False
-                for dirpath, dirnames, filenames in os.walk(root):
-                    for filename in filenames:
-                        path = os.path.join(dirpath, filename)
-                        if path not in self._paths:
-                            logger.debug("Found new asset: %s" % path)
-                            self._paths.add(path)
-                            found_new_or_modified = True
-                            break
-                        if os.path.getmtime(path) > self._last_bake:
-                            logger.debug("Found modified asset: %s" % path)
-                            found_new_or_modified = True
-                            break
-
-                    if found_new_or_modified:
+                for item in procinfo.source.getAllContents():
+                    path = item.spec
+                    if path not in procinfo.paths:
+                        logger.debug("Found new asset: %s" % path)
+                        procinfo.paths.add(path)
+                        found_new_or_modified = True
                         break
-
+                    if os.path.getmtime(path) > procinfo.last_bake_time:
+                        logger.debug("Found modified asset: %s" % path)
+                        found_new_or_modified = True
+                        break
                 if found_new_or_modified:
-                    self._runPipeline(root)
+                    with format_timed_scope(
+                            logger,
+                            "change detected, reprocessed '%s'." %
+                            procinfo.source.name):
+                        self._runPipelinesSafe(procinfo.source)
 
             time.sleep(self.interval)
 
-    def _initPipeline(self):
-        # Create the app and pipeline.
-        self.app = self.appfactory.create()
-        self.pipeline = ProcessorPipeline(self.app, self.out_dir)
+    def _init(self):
+        self._app = self.appfactory.create()
+        self._last_records = MultiRecord()
+
+        self._proc_infos = {}
+        for src in self._app.sources:
+            if src.config['pipeline'] != 'asset':
+                continue
 
-        # Get the list of assets directories.
-        self._roots = list(self.pipeline.mounts.keys())
+            procinfo = _AssetProcessingInfo(src)
+            self._proc_infos[src.name] = procinfo
+
+            # Build the list of initial asset files.
+            for item in src.getAllContents():
+                procinfo.paths.add(item.spec)
 
-        # The 'assets' folder may not be in the mounts list if it doesn't
-        # exist yet, but we want to monitor for when the user creates it.
-        default_root = os.path.join(self.app.root_dir, 'assets')
-        self._monitor_assets_root = (default_root not in self._roots)
+    def _runPipelinesSafe(self, only_for_source=None):
+        try:
+            self._runPipelines(only_for_source)
+        except Exception as ex:
+            logger.error("Error while running asset pipeline:")
+            logger.exception(ex)
 
-        # Build the list of initial asset files.
-        self._paths = set()
-        for root in self._roots:
-            for dirpath, dirnames, filenames in os.walk(root):
-                self._paths |= set([os.path.join(dirpath, f)
-                                    for f in filenames])
+    def _runPipelines(self, only_for_source):
+        from piecrust.baking.baker import Baker
+
+        allowed_sources = None
+        if only_for_source:
+            allowed_sources = [only_for_source.name]
+        baker = Baker(
+            self.appfactory, self._app, self.out_dir,
+            allowed_pipelines=['asset'],
+            allowed_sources=allowed_sources,
+            rotate_bake_records=False)
+        records = baker.bake()
 
-    def _runPipeline(self, root):
-        self._last_bake = time.time()
-        try:
-            self._record = self.pipeline.run(
-                    root,
-                    previous_record=self._record,
-                    save_record=False)
+        self._onPipelinesRun(records)
+
+    def _onPipelinesRun(self, records):
+        self.last_status_id += 1
 
-            status_id = self.last_status_id + 1
-            self.last_status_id += 1
-
-            if self._record.success:
+        if records.success:
+            for rec in records.records:
                 changed = filter(
-                        lambda i: not i.was_collapsed_from_last_run,
-                        self._record.entries)
+                    lambda i: not i.was_collapsed_from_last_run,
+                    rec.getEntries())
                 changed = itertools.chain.from_iterable(
-                        map(lambda i: i.rel_outputs, changed))
+                    map(lambda i: i.out_paths, changed))
                 changed = list(changed)
                 item = {
-                        'id': status_id,
-                        'type': 'pipeline_success',
-                        'assets': changed}
+                    'id': self.last_status_id,
+                    'type': 'pipeline_success',
+                    'assets': changed}
 
                 self._notifyObservers(item)
-            else:
-                item = {
-                        'id': status_id,
-                        'type': 'pipeline_error',
-                        'assets': []}
-                for entry in self._record.entries:
+        else:
+            item = {
+                'id': self.last_status_id,
+                'type': 'pipeline_error',
+                'assets': []}
+            for rec in records.records:
+                for entry in rec.getEntries():
                     if entry.errors:
                         asset_item = {
-                                'path': entry.path,
-                                'errors': list(entry.errors)}
+                            'path': entry.item_spec,
+                            'errors': list(entry.errors)}
                         item['assets'].append(asset_item)
 
                 self._notifyObservers(item)
-        except Exception as ex:
-            logger.exception(ex)
 
     def _notifyObservers(self, item):
         with self._obs_lock:
--- a/piecrust/serving/server.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/serving/server.py	Fri Sep 29 17:05:09 2017 -0700
@@ -6,53 +6,36 @@
 import hashlib
 import logging
 from werkzeug.exceptions import (
-        NotFound, MethodNotAllowed, InternalServerError, HTTPException)
+    NotFound, MethodNotAllowed, InternalServerError, HTTPException)
 from werkzeug.wrappers import Request, Response
 from jinja2 import FileSystemLoader, Environment
 from piecrust import CACHE_DIR, RESOURCES_DIR
-from piecrust.rendering import PageRenderingContext, render_page
+from piecrust.rendering import RenderingContext, render_page
 from piecrust.routing import RouteNotFoundError
 from piecrust.serving.util import (
-        content_type_map, make_wrapped_file_response, get_requested_page,
-        get_app_for_server)
+    content_type_map, make_wrapped_file_response, get_requested_page,
+    get_app_for_server)
 from piecrust.sources.base import SourceNotFoundError
 
 
 logger = logging.getLogger(__name__)
 
 
-class WsgiServer(object):
+class PieCrustServer(object):
+    """ A WSGI application that serves a PieCrust website.
+    """
     def __init__(self, appfactory, **kwargs):
-        self.server = Server(appfactory, **kwargs)
+        self.server = _ServerImpl(appfactory, **kwargs)
 
     def __call__(self, environ, start_response):
         return self.server._run_request(environ, start_response)
 
 
-class ServeRecord(object):
-    def __init__(self):
-        self.entries = {}
-
-    def addEntry(self, entry):
-        key = self._makeKey(entry.uri, entry.sub_num)
-        self.entries[key] = entry
-
-    def getEntry(self, uri, sub_num):
-        key = self._makeKey(uri, sub_num)
-        return self.entries.get(key)
-
-    def _makeKey(self, uri, sub_num):
-        return "%s:%s" % (uri, sub_num)
-
-
-class ServeRecordPageEntry(object):
-    def __init__(self, uri, sub_num):
-        self.uri = uri
-        self.sub_num = sub_num
-        self.used_source_names = set()
-
-
 class MultipleNotFound(HTTPException):
+    """ Represents a 404 (not found) error that tried to serve one or
+        more pages. It will report which pages it tried to serve
+        before failing.
+    """
     code = 404
 
     def __init__(self, description, nfes):
@@ -69,7 +52,9 @@
         return desc
 
 
-class Server(object):
+class _ServerImpl(object):
+    """ The PieCrust server.
+    """
     def __init__(self, appfactory,
                  enable_debug_info=True,
                  root_url='/',
@@ -78,12 +63,11 @@
         self.enable_debug_info = enable_debug_info
         self.root_url = root_url
         self.static_preview = static_preview
-        self._page_record = ServeRecord()
         self._out_dir = os.path.join(
-                appfactory.root_dir,
-                CACHE_DIR,
-                (appfactory.cache_key or 'default'),
-                'server')
+            appfactory.root_dir,
+            CACHE_DIR,
+            (appfactory.cache_key or 'default'),
+            'server')
 
     def _run_request(self, environ, start_response):
         try:
@@ -104,11 +88,17 @@
                          request.method)
             raise MethodNotAllowed()
 
-        # Also handle requests to a pipeline-built asset right away.
+        # Handle requests to a pipeline-built asset right away.
         response = self._try_serve_asset(environ, request)
         if response is not None:
             return response
 
+        # Same for page assets.
+        response = self._try_serve_page_asset(
+            self.appfactory.root_dir, environ, request)
+        if response is not None:
+            return response
+
         # Create the app for this request.
         app = get_app_for_server(self.appfactory,
                                  root_url=self.root_url)
@@ -117,15 +107,7 @@
                 '!debug' in request.args):
             app.config.set('site/show_debug_info', True)
 
-        # We'll serve page assets directly from where they are.
-        app.env.base_asset_url_format = self.root_url + '_asset/%path%'
-
-        # Let's see if it can be a page asset.
-        response = self._try_serve_page_asset(app, environ, request)
-        if response is not None:
-            return response
-
-        # Nope. Let's see if it's an actual page.
+        # Let's try to serve a page.
         try:
             response = self._try_serve_page(app, environ, request)
             return response
@@ -152,62 +134,41 @@
             full_path = os.path.join(self._out_dir, rel_req_path)
 
         try:
-            response = make_wrapped_file_response(environ, request, full_path)
-            return response
+            return make_wrapped_file_response(environ, request, full_path)
         except OSError:
-            pass
-        return None
+            return None
 
-    def _try_serve_page_asset(self, app, environ, request):
+    def _try_serve_page_asset(self, app_root_dir, environ, request):
         if not request.path.startswith(self.root_url + '_asset/'):
             return None
 
         offset = len(self.root_url + '_asset/')
-        full_path = os.path.join(app.root_dir, request.path[offset:])
-        if not os.path.isfile(full_path):
+        full_path = os.path.join(app_root_dir, request.path[offset:])
+
+        try:
+            return make_wrapped_file_response(environ, request, full_path)
+        except OSError:
             return None
 
-        return make_wrapped_file_response(environ, request, full_path)
-
     def _try_serve_page(self, app, environ, request):
         # Find a matching page.
         req_page = get_requested_page(app, request.path)
 
         # If we haven't found any good match, report all the places we didn't
         # find it at.
-        qp = req_page.qualified_page
-        if qp is None:
+        if req_page.page is None:
             msg = "Can't find path for '%s':" % request.path
             raise MultipleNotFound(msg, req_page.not_found_errors)
 
         # We have a page, let's try to render it.
-        render_ctx = PageRenderingContext(qp,
-                                          page_num=req_page.page_num,
-                                          force_render=True,
-                                          is_from_request=True)
-        if qp.route.is_generator_route:
-            qp.route.generator.prepareRenderContext(render_ctx)
-
-        # See if this page is known to use sources. If that's the case,
-        # just don't use cached rendered segments for that page (but still
-        # use them for pages that are included in it).
-        uri = qp.getUri()
-        entry = self._page_record.getEntry(uri, req_page.page_num)
-        if (qp.route.is_generator_route or entry is None or
-                entry.used_source_names):
-            cache_key = '%s:%s' % (uri, req_page.page_num)
-            app.env.rendered_segments_repository.invalidate(cache_key)
+        render_ctx = RenderingContext(req_page.page,
+                                      sub_num=req_page.sub_num,
+                                      force_render=True)
+        req_page.page.source.prepareRenderContext(render_ctx)
 
         # Render the page.
         rendered_page = render_page(render_ctx)
 
-        # Remember stuff for next time.
-        if entry is None:
-            entry = ServeRecordPageEntry(req_page.req_path, req_page.page_num)
-            self._page_record.addEntry(entry)
-        for pinfo in render_ctx.render_passes:
-            entry.used_source_names |= pinfo.used_source_names
-
         # Start doing stuff.
         page = rendered_page.page
         rp_content = rendered_page.content
@@ -216,10 +177,10 @@
         if app.config.get('site/show_debug_info'):
             now_time = time.perf_counter()
             timing_info = (
-                    '%8.1f ms' %
-                    ((now_time - app.env.start_time) * 1000.0))
+                '%8.1f ms' %
+                ((now_time - app.env.start_time) * 1000.0))
             rp_content = rp_content.replace(
-                    '__PIECRUST_TIMING_INFORMATION__', timing_info)
+                '__PIECRUST_TIMING_INFORMATION__', timing_info)
 
         # Build the response.
         response = Response()
@@ -311,4 +272,3 @@
         template += '.html'
         return super(ErrorMessageLoader, self).get_source(env, template)
 
-
--- a/piecrust/serving/util.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/serving/util.py	Fri Sep 29 17:05:09 2017 -0700
@@ -5,11 +5,8 @@
 import datetime
 from werkzeug.wrappers import Response
 from werkzeug.wsgi import wrap_file
-from piecrust.app import PieCrust, apply_variant_and_values
-from piecrust.rendering import QualifiedPage
+from piecrust.page import PageNotFoundError
 from piecrust.routing import RouteNotFoundError
-from piecrust.sources.base import MODE_PARSING
-from piecrust.sources.pageref import PageNotFoundError
 from piecrust.uriutil import split_sub_uri
 
 
@@ -20,31 +17,33 @@
     app = appfactory.create()
     app.config.set('site/root', root_url)
     app.config.set('server/is_serving', True)
+    # We'll serve page assets directly from where they are.
+    app.config.set('site/asset_url_format', root_url + '_asset/%path%')
     return app
 
 
 class RequestedPage(object):
     def __init__(self):
-        self.qualified_page = None
+        self.page = None
+        self.sub_num = 1
         self.req_path = None
-        self.page_num = 1
         self.not_found_errors = []
 
 
-def find_routes(routes, uri, is_sub_page=False):
-    """ Returns routes matching the given URL, but puts generator routes
-        at the end.
+def find_routes(routes, uri, uri_no_sub, sub_num=1):
+    """ Returns routes matching the given URL.
     """
     res = []
-    gen_res = []
     for route in routes:
-        metadata = route.matchUri(uri)
-        if metadata is not None:
-            if route.is_source_route:
-                res.append((route, metadata, is_sub_page))
-            else:
-                gen_res.append((route, metadata, is_sub_page))
-    return res + gen_res
+        route_params = route.matchUri(uri)
+        if route_params is not None:
+            res.append((route, route_params, 1))
+
+        if sub_num > 1:
+            route_params = route.matchUri(uri_no_sub)
+            if route_params is not None:
+                res.append((route, route_params, sub_num))
+    return res
 
 
 def get_requested_page(app, req_path):
@@ -54,56 +53,39 @@
         req_path = req_path.rstrip('/')
 
     # Try to find what matches the requested URL.
-    routes = find_routes(app.routes, req_path)
-
     # It could also be a sub-page (i.e. the URL ends with a page number), so
     # we try to also match the base URL (without the number).
-    req_path_no_num, page_num = split_sub_uri(app, req_path)
-    if page_num > 1:
-        routes += find_routes(app.routes, req_path_no_num, True)
-
+    req_path_no_sub, sub_num = split_sub_uri(app, req_path)
+    routes = find_routes(app.routes, req_path, req_path_no_sub, sub_num)
     if len(routes) == 0:
         raise RouteNotFoundError("Can't find route for: %s" % req_path)
 
     req_page = RequestedPage()
-    for route, route_metadata, is_sub_page in routes:
-        try:
-            cur_req_path = req_path
-            if is_sub_page:
-                cur_req_path = req_path_no_num
+    for route, route_params, route_sub_num in routes:
+        cur_req_path = req_path
+        if route_sub_num > 1:
+            cur_req_path = req_path_no_sub
 
-            qp = _get_requested_page_for_route(
-                    app, route, route_metadata, cur_req_path)
-            if qp is not None:
-                req_page.qualified_page = qp
-                req_page.req_path = cur_req_path
-                if is_sub_page:
-                    req_page.page_num = page_num
-                break
-        except PageNotFoundError as nfe:
-            req_page.not_found_errors.append(nfe)
+        page = _get_requested_page_for_route(app, route, route_params)
+        if page is not None:
+            req_page.page = page
+            req_page.sub_num = route_sub_num
+            req_page.req_path = cur_req_path
+            break
+
+        req_page.not_found_errors.append(PageNotFoundError(
+            "No path found for '%s' in source '%s'." %
+            (cur_req_path, route.source_name)))
+
     return req_page
 
 
-def _get_requested_page_for_route(app, route, route_metadata, req_path):
-    if not route.is_generator_route:
-        source = app.getSource(route.source_name)
-        factory = source.findPageFactory(route_metadata, MODE_PARSING)
-        if factory is None:
-            raise PageNotFoundError(
-                    "No path found for '%s' in source '%s'." %
-                    (req_path, source.name))
-    else:
-        factory = route.generator.getPageFactory(route_metadata)
-        if factory is None:
-            raise PageNotFoundError(
-                    "No path found for '%s' in generator '%s'." %
-                    (req_path, route.generator.name))
-
-    # Build the page.
-    page = factory.buildPage()
-    qp = QualifiedPage(page, route, route_metadata)
-    return qp
+def _get_requested_page_for_route(app, route, route_params):
+    source = app.getSource(route.source_name)
+    item = source.findContent(route_params)
+    if item is not None:
+        return app.getPage(source, item)
+    return None
 
 
 def load_mimetype_map():
@@ -137,20 +119,20 @@
     response.set_etag(etag)
     response.last_modified = datetime.datetime.fromtimestamp(mtime)
     response.mimetype = mimetype_map.get(
-            ext.lstrip('.'), 'text/plain')
+        ext.lstrip('.'), 'text/plain')
     response.direct_passthrough = True
     return response
 
 
 mimetype_map = load_mimetype_map()
 content_type_map = {
-        'html': 'text/html',
-        'xml': 'text/xml',
-        'txt': 'text/plain',
-        'text': 'text/plain',
-        'css': 'text/css',
-        'xhtml': 'application/xhtml+xml',
-        'atom': 'application/atom+xml',  # or 'text/xml'?
-        'rss': 'application/rss+xml',    # or 'text/xml'?
-        'json': 'application/json'}
+    'html': 'text/html',
+    'xml': 'text/xml',
+    'txt': 'text/plain',
+    'text': 'text/plain',
+    'css': 'text/css',
+    'xhtml': 'application/xhtml+xml',
+    'atom': 'application/atom+xml',  # or 'text/xml'?
+    'rss': 'application/rss+xml',    # or 'text/xml'?
+    'json': 'application/json'}
 
--- a/piecrust/serving/wrappers.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/serving/wrappers.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,14 +1,46 @@
 import os
 import signal
 import logging
-import urllib.request
 
 
 logger = logging.getLogger(__name__)
 
 
-def run_werkzeug_server(appfactory, host, port,
-                        use_debugger=False, use_reloader=False):
+def run_piecrust_server(wsgi, appfactory, host, port,
+                        is_cmdline_mode=False,
+                        serve_admin=False,
+                        use_debugger=False,
+                        use_reloader=False):
+
+    if wsgi == 'werkzeug':
+        _run_werkzeug_server(appfactory, host, port,
+                             is_cmdline_mode=is_cmdline_mode,
+                             serve_admin=serve_admin,
+                             use_debugger=use_debugger,
+                             use_reloader=use_reloader)
+
+    elif wsgi == 'gunicorn':
+        options = {
+            'bind': '%s:%s' % (host, port),
+            'accesslog': '-',  # print access log to stderr
+        }
+        if use_debugger:
+            options['loglevel'] = 'debug'
+        if use_reloader:
+            options['reload'] = True
+        _run_gunicorn_server(appfactory,
+                             is_cmdline_mode=is_cmdline_mode,
+                             gunicorn_options=options)
+
+    else:
+        raise Exception("Unknown WSGI server: %s" % wsgi)
+
+
+def _run_werkzeug_server(appfactory, host, port, *,
+                         is_cmdline_mode=False,
+                         serve_admin=False,
+                         use_debugger=False,
+                         use_reloader=False):
     from werkzeug.serving import run_simple
 
     def _run_sse_check():
@@ -22,6 +54,9 @@
                 os.environ.get('WERKZEUG_RUN_MAIN') == 'true')
 
     app = _get_piecrust_server(appfactory,
+                               is_cmdline_mode=is_cmdline_mode,
+                               serve_site=True,
+                               serve_admin=serve_admin,
                                run_sse_check=_run_sse_check)
 
     # We need to do a few things to get Werkzeug to properly shutdown or
@@ -46,6 +81,10 @@
         from piecrust.serving import procloop
         procloop.server_shutdown = True
 
+        if serve_admin:
+            from piecrust.admin import pubutil
+            pubutil.server_shutdown = True
+
     def _shutdown_server_and_raise_sigint():
         if not use_reloader or os.environ.get('WERKZEUG_RUN_MAIN') == 'true':
             # We only need to shutdown the SSE requests for the process
@@ -58,6 +97,9 @@
     signal.signal(signal.SIGINT,
                   lambda *args: _shutdown_server_and_raise_sigint())
 
+    # Disable debugger PIN protection.
+    os.environ['WERKZEUG_DEBUG_PIN'] = 'off'
+
     try:
         run_simple(host, port, app,
                    threaded=True,
@@ -73,7 +115,9 @@
         raise
 
 
-def run_gunicorn_server(appfactory, gunicorn_options=None):
+def _run_gunicorn_server(appfactory,
+                         is_cmdline_mode=False,
+                         gunicorn_options=None):
     from gunicorn.app.base import BaseApplication
 
     class PieCrustGunicornApplication(BaseApplication):
@@ -90,20 +134,72 @@
         def load(self):
             return self.app
 
-    app = _get_piecrust_server(appfactory)
+    app = _get_piecrust_server(appfactory,
+                               is_cmdline_mode=is_cmdline_mode)
 
     gunicorn_options = gunicorn_options or {}
     app_wrapper = PieCrustGunicornApplication(app, gunicorn_options)
     app_wrapper.run()
 
 
-def _get_piecrust_server(appfactory, run_sse_check=None):
-    from piecrust.serving.middlewares import (
-            StaticResourcesMiddleware, PieCrustDebugMiddleware)
-    from piecrust.serving.server import WsgiServer
-    app = WsgiServer(appfactory)
-    app = StaticResourcesMiddleware(app)
-    app = PieCrustDebugMiddleware(
-            app, appfactory, run_sse_check=run_sse_check)
+def _get_piecrust_server(appfactory, *,
+                         serve_site=True,
+                         serve_admin=False,
+                         is_cmdline_mode=False,
+                         run_sse_check=None):
+    app = None
+
+    if serve_site:
+        from piecrust.serving.middlewares import (
+            PieCrustStaticResourcesMiddleware, PieCrustDebugMiddleware)
+        from piecrust.serving.server import PieCrustServer
+
+        app = PieCrustServer(appfactory)
+        app = PieCrustStaticResourcesMiddleware(app)
+
+        if is_cmdline_mode:
+            app = PieCrustDebugMiddleware(
+                app, appfactory, run_sse_check=run_sse_check)
+
+    if serve_admin:
+        from piecrust.admin.web import create_foodtruck_app
+
+        admin_root_url = '/pc-admin'
+        es = {
+            'FOODTRUCK_CMDLINE_MODE': is_cmdline_mode,
+            'FOODTRUCK_ROOT': appfactory.root_dir,
+            'FOODTRUCK_URL_PREFIX': admin_root_url,
+            'DEBUG': appfactory.debug}
+        if is_cmdline_mode:
+            es.update({
+                'SECRET_KEY': os.urandom(22),
+                'LOGIN_DISABLED': True})
+
+        if appfactory.debug and is_cmdline_mode:
+            # Disable PIN protection with Werkzeug's debugger.
+            os.environ['WERKZEUG_DEBUG_PIN'] = 'off'
+
+        admin_app = create_foodtruck_app(es)
+        admin_app.wsgi_app = _PieCrustSiteOrAdminMiddleware(
+            app, admin_app.wsgi_app, admin_root_url)
+        app = admin_app
+
     return app
 
+
+class _PieCrustSiteOrAdminMiddleware:
+    def __init__(self, main_app, admin_app, admin_root_url):
+        from werkzeug.exceptions import abort
+
+        def _err_resp(e, sr):
+            abort(404)
+
+        self.main_app = main_app
+        self.admin_app = admin_app or _err_resp
+        self.admin_root_url = admin_root_url
+
+    def __call__(self, environ, start_response):
+        path_info = environ.get('PATH_INFO', '')
+        if path_info.startswith(self.admin_root_url):
+            return self.admin_app(environ, start_response)
+        return self.main_app(environ, start_response)
--- a/piecrust/sources/array.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-from piecrust.sources.base import PageSource
-from piecrust.sources.mixins import SimplePaginationSourceMixin
-from piecrust.sources.pageref import PageRef
-
-
-class CachedPageFactory(object):
-    """ A `PageFactory` (in appearance) that already has a page built.
-    """
-    def __init__(self, page):
-        self._page = page
-
-    @property
-    def rel_path(self):
-        return self._page.rel_path
-
-    @property
-    def metadata(self):
-        return self._page.source_metadata
-
-    @property
-    def ref_spec(self):
-        return self._page.ref_spec
-
-    @property
-    def path(self):
-        return self._page.path
-
-    def buildPage(self):
-        return self._page
-
-
-class ArraySource(PageSource, SimplePaginationSourceMixin):
-    def __init__(self, app, inner_source, name='array', config=None):
-        super(ArraySource, self).__init__(app, name, config)
-        self.inner_source = inner_source
-
-    @property
-    def page_count(self):
-        return len(self.inner_source)
-
-    def getPageFactories(self):
-        for p in self.inner_source:
-            yield CachedPageFactory(p)
-
--- a/piecrust/sources/autoconfig.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/sources/autoconfig.py	Fri Sep 29 17:05:09 2017 -0700
@@ -3,30 +3,21 @@
 import os.path
 import logging
 from piecrust.configuration import ConfigurationError
-from piecrust.routing import RouteParameter
-from piecrust.sources.base import (
-        PageSource, PageFactory, InvalidFileSystemEndpointError)
-from piecrust.sources.default import (
-        filter_page_dirname, filter_page_filename)
-from piecrust.sources.interfaces import IListableSource
-from piecrust.sources.mixins import SimplePaginationSourceMixin
+from piecrust.sources.base import ContentItem
+from piecrust.sources.default import DefaultContentSource
 
 
 logger = logging.getLogger(__name__)
 
 
-class AutoConfigSourceBase(PageSource, SimplePaginationSourceMixin,
-                           IListableSource):
-    """ Base class for page sources that automatically apply configuration
+class AutoConfigContentSourceBase(DefaultContentSource):
+    """ Base class for content sources that automatically apply configuration
         settings to their generated pages based on those pages' paths.
     """
     def __init__(self, app, name, config):
-        super(AutoConfigSourceBase, self).__init__(app, name, config)
-        self.fs_endpoint = config.get('fs_endpoint', name)
-        self.fs_endpoint_path = os.path.join(self.root_dir, self.fs_endpoint)
-        self.supported_extensions = list(
-                app.config.get('site/auto_formats').keys())
-        self.default_auto_format = app.config.get('site/default_auto_format')
+        super().__init__(app, name, config)
+
+        config.setdefault('data_type', 'page_iterator')
 
         self.capture_mode = config.get('capture_mode', 'path')
         if self.capture_mode not in ['path', 'dirname', 'filename']:
@@ -34,91 +25,34 @@
                                      "one of: path, dirname, filename" %
                                      name)
 
-    def getSupportedRouteParameters(self):
-        return [
-            RouteParameter('slug', RouteParameter.TYPE_PATH)]
-
-    def buildPageFactories(self):
-        logger.debug("Scanning for pages in: %s" % self.fs_endpoint_path)
-        if not os.path.isdir(self.fs_endpoint_path):
-            raise InvalidFileSystemEndpointError(self.name,
-                                                 self.fs_endpoint_path)
-
-        for dirpath, dirnames, filenames in os.walk(self.fs_endpoint_path):
-            rel_dirpath = os.path.relpath(dirpath, self.fs_endpoint_path)
-            dirnames[:] = list(filter(filter_page_dirname, dirnames))
+    def _finalizeContent(self, parent_group, items, groups):
+        DefaultContentSource._finalizeContent(parent_group, items, groups)
 
-            # If `capture_mode` is `dirname`, we don't need to recompute it
-            # for each filename, so we do it here.
-            if self.capture_mode == 'dirname':
-                config = self._extractConfigFragment(rel_dirpath)
-
-            for f in filter(filter_page_filename, filenames):
-                if self.capture_mode == 'path':
-                    path = os.path.join(rel_dirpath, f)
-                    config = self._extractConfigFragment(path)
-                elif self.capture_mode == 'filename':
-                    config = self._extractConfigFragment(f)
-
-                fac_path = f
-                if rel_dirpath != '.':
-                    fac_path = os.path.join(rel_dirpath, f)
-
-                slug = self._makeSlug(fac_path)
-
-                metadata = {
-                        'slug': slug,
-                        'config': config}
-                yield PageFactory(self, fac_path, metadata)
+        # If `capture_mode` is `dirname`, we don't need to recompute it
+        # for each filename, so we do it here.
+        if self.capture_mode == 'dirname':
+            rel_dirpath = os.path.relpath(parent_group.spec,
+                                          self.fs_endpoint_path)
+            config = self._extractConfigFragment(rel_dirpath)
 
-    def resolveRef(self, ref_path):
-        path = os.path.normpath(
-                os.path.join(self.fs_endpoint_path, ref_path.lstrip("\\/")))
-
-        config = None
-        if self.capture_mode == 'dirname':
-            config = self._extractConfigFragment(os.path.dirname(ref_path))
-        elif self.capture_mode == 'path':
-            config = self._extractConfigFragment(ref_path)
-        elif self.capture_mode == 'filename':
-            config = self._extractConfigFragment(os.path.basename(ref_path))
-
-        slug = self._makeSlug(ref_path)
-        metadata = {'slug': slug, 'config': config}
-        return path, metadata
-
-    def listPath(self, rel_path):
-        raise NotImplementedError()
+        for i in items:
+            # Compute the confif for the other capture modes.
+            if self.capture_mode == 'path':
+                rel_path = os.path.relpath(i.spec, self.fs_endpoint_path)
+                config = self._extractConfigFragment(rel_path)
+            elif self.capture_mode == 'filename':
+                fname = os.path.basename(i.spec)
+                config = self._extractConfigFragment(fname)
 
-    def getDirpath(self, rel_path):
-        return os.path.dirname(rel_path)
-
-    def getBasename(self, rel_path):
-        filename = os.path.basename(rel_path)
-        name, _ = os.path.splitext(filename)
-        return name
-
-    def _makeSlug(self, rel_path):
-        slug = rel_path.replace('\\', '/')
-        slug = self._cleanSlug(slug)
-        slug, ext = os.path.splitext(slug)
-        if ext.lstrip('.') not in self.supported_extensions:
-            slug += ext
-        if slug.startswith('./'):
-            slug = slug[2:]
-        if slug == '_index':
-            slug = ''
-        return slug
-
-    def _cleanSlug(self, slug):
-        return slug
+            # Set the config on the content item's metadata.
+            i.metadata.setdefault('config', {}).update(config)
 
     def _extractConfigFragment(self, rel_path):
         raise NotImplementedError()
 
 
-class AutoConfigSource(AutoConfigSourceBase):
-    """ Page source that extracts configuration settings from the sub-folders
+class AutoConfigContentSource(AutoConfigContentSourceBase):
+    """ Content source that extracts configuration settings from the sub-folders
         each page resides in. This is ideal for setting tags or categories
         on pages based on the folders they're in.
     """
@@ -126,13 +60,12 @@
 
     def __init__(self, app, name, config):
         config['capture_mode'] = 'dirname'
-        super(AutoConfigSource, self).__init__(app, name, config)
+        AutoConfigContentSourceBase.__init__(app, name, config)
+
         self.setting_name = config.get('setting_name', name)
         self.only_single_values = config.get('only_single_values', False)
         self.collapse_single_values = config.get('collapse_single_values',
                                                  False)
-        self.supported_extensions = list(
-                app.config.get('site/auto_formats').keys())
 
     def _extractConfigFragment(self, rel_path):
         if rel_path == '.':
@@ -157,48 +90,27 @@
 
         return {self.setting_name: values}
 
-    def findPageFactory(self, metadata, mode):
+    def findContent(self, route_params):
         # Pages from this source are effectively flattened, so we need to
         # find pages using a brute-force kinda way.
+        route_slug = route_params.get('slug', '')
+        if not route_slug:
+            route_slug = '_index'
+
         for dirpath, dirnames, filenames in os.walk(self.fs_endpoint_path):
             for f in filenames:
                 slug, _ = os.path.splitext(f)
-                if slug == metadata['slug']:
+                if slug == route_slug:
                     path = os.path.join(dirpath, f)
                     rel_path = os.path.relpath(path, self.fs_endpoint_path)
                     config = self._extractConfigFragment(rel_path)
                     metadata = {'slug': slug, 'config': config}
-                    return PageFactory(self, rel_path, metadata)
+                    return ContentItem(path, metadata)
         return None
 
-    def listPath(self, rel_path):
-        rel_path = rel_path.lstrip('\\/')
-        path = os.path.join(self.fs_endpoint_path, rel_path)
-        names = sorted(os.listdir(path))
-        items = []
-        for name in names:
-            if os.path.isdir(os.path.join(path, name)):
-                if filter_page_dirname(name):
-                    rel_subdir = os.path.join(rel_path, name)
-                    items.append((True, name, rel_subdir))
-            else:
-                if filter_page_filename(name):
-                    cur_rel_path = os.path.join(rel_path, name)
-                    slug = self._makeSlug(cur_rel_path)
-                    config = self._extractConfigFragment(cur_rel_path)
-                    metadata = {'slug': slug, 'config': config}
-                    fac = PageFactory(self, cur_rel_path, metadata)
 
-                    name, _ = os.path.splitext(name)
-                    items.append((False, name, fac))
-        return items
-
-    def _cleanSlug(self, slug):
-        return os.path.basename(slug)
-
-
-class OrderedPageSource(AutoConfigSourceBase):
-    """ A page source that assigns an "order" to its pages based on a
+class OrderedContentSource(AutoConfigContentSourceBase):
+    """ A content source that assigns an "order" to its pages based on a
         numerical prefix in their filename. Page iterators will automatically
         sort pages using that order.
     """
@@ -208,14 +120,13 @@
 
     def __init__(self, app, name, config):
         config['capture_mode'] = 'path'
-        super(OrderedPageSource, self).__init__(app, name, config)
+        AutoConfigContentSourceBase.__init__(app, name, config)
+
         self.setting_name = config.get('setting_name', 'order')
         self.default_value = config.get('default_value', 0)
-        self.supported_extensions = list(
-                app.config.get('site/auto_formats').keys())
 
-    def findPageFactory(self, metadata, mode):
-        uri_path = metadata.get('slug', '')
+    def findContent(self, route_params):
+        uri_path = route_params.get('slug', '')
         if uri_path == '':
             uri_path = '_index'
 
@@ -253,60 +164,16 @@
                 if not found:
                     return None
 
-        fac_path = os.path.relpath(path, self.fs_endpoint_path)
-        config = self._extractConfigFragment(fac_path)
+        rel_path = os.path.relpath(path, self.fs_endpoint_path)
+        config = self._extractConfigFragment(rel_path)
         metadata = {'slug': uri_path, 'config': config}
-
-        return PageFactory(self, fac_path, metadata)
+        return ContentItem(path, metadata)
 
     def getSorterIterator(self, it):
         accessor = self.getSettingAccessor()
         return OrderTrailSortIterator(it, self.setting_name + '_trail',
                                       value_accessor=accessor)
 
-    def listPath(self, rel_path):
-        rel_path = rel_path.lstrip('/')
-        path = self.fs_endpoint_path
-        if rel_path != '':
-            parts = rel_path.split('/')
-            for p in parts:
-                p_pat = r'(\d+_)?' + re.escape(p) + '$'
-                for name in os.listdir(path):
-                    if re.match(p_pat, name):
-                        path = os.path.join(path, name)
-                        break
-                else:
-                    raise Exception("No such path: %s" % rel_path)
-
-        items = []
-        names = sorted(os.listdir(path))
-        for name in names:
-            clean_name = self.re_pattern.sub('', name)
-            clean_name, _ = os.path.splitext(clean_name)
-            if os.path.isdir(os.path.join(path, name)):
-                if filter_page_dirname(name):
-                    rel_subdir = os.path.join(rel_path, name)
-                    items.append((True, clean_name, rel_subdir))
-            else:
-                if filter_page_filename(name):
-                    slug = self._makeSlug(os.path.join(rel_path, name))
-
-                    fac_path = name
-                    if rel_path != '.':
-                        fac_path = os.path.join(rel_path, name)
-                    fac_path = fac_path.replace('\\', '/')
-
-                    config = self._extractConfigFragment(fac_path)
-                    metadata = {'slug': slug, 'config': config}
-                    fac = PageFactory(self, fac_path, metadata)
-
-                    name, _ = os.path.splitext(name)
-                    items.append((False, clean_name, fac))
-        return items
-
-    def _cleanSlug(self, slug):
-        return self.re_pattern.sub(r'\1', slug)
-
     def _extractConfigFragment(self, rel_path):
         values = []
         for m in self.re_pattern.finditer(rel_path):
@@ -317,15 +184,12 @@
             values.append(self.default_value)
 
         return {
-                self.setting_name: values[-1],
-                self.setting_name + '_trail': values}
+            self.setting_name: values[-1],
+            self.setting_name + '_trail': values}
 
-    def _populateMetadata(self, rel_path, metadata, mode=None):
-        _, filename = os.path.split(rel_path)
-        config = self._extractConfigFragment(filename)
-        metadata['config'] = config
-        slug = metadata['slug']
-        metadata['slug'] = self.re_pattern.sub(r'\1', slug)
+    def _makeSlug(self, path):
+        slug = super()._makeSlug(path)
+        return self.re_pattern.sub(r'\1', slug)
 
 
 class OrderTrailSortIterator(object):
--- a/piecrust/sources/base.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/sources/base.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,137 +1,160 @@
-import copy
 import logging
+import collections
 from werkzeug.utils import cached_property
-from piecrust.page import Page
-from piecrust.data.assetor import Assetor
 
 
+# Source realms, to differentiate sources in the site itself ('User')
+# and sources in the site's theme ('Theme').
 REALM_USER = 0
 REALM_THEME = 1
 REALM_NAMES = {
-        REALM_USER: 'User',
-        REALM_THEME: 'Theme'}
+    REALM_USER: 'User',
+    REALM_THEME: 'Theme'}
 
 
-MODE_PARSING = 0
-MODE_CREATING = 1
+# Types of relationships a content source can be asked for.
+REL_LOGICAL_PARENT_ITEM = 1
+REL_LOGICAl_CHILD_GROUP = 2
+REL_ASSETS = 10
 
 
 logger = logging.getLogger(__name__)
 
 
-def build_pages(app, factories):
-    for f in factories:
-        yield f.buildPage()
-
-
 class SourceNotFoundError(Exception):
     pass
 
 
-class InvalidFileSystemEndpointError(Exception):
-    def __init__(self, source_name, fs_endpoint):
-        super(InvalidFileSystemEndpointError, self).__init__(
-                "Invalid file-system endpoint for source '%s': %s" %
-                (source_name, fs_endpoint))
+class InsufficientRouteParameters(Exception):
+    pass
+
+
+class AbortedSourceUseError(Exception):
+    pass
+
+
+class GeneratedContentException(Exception):
+    pass
 
 
-class PageFactory(object):
-    """ A class responsible for creating a page.
+CONTENT_TYPE_PAGE = 0
+CONTENT_TYPE_ASSET = 1
+
+
+class ContentItem:
+    """ Describes a piece of content.
+
+        Some known metadata that PieCrust will use include:
+        - `date`: A `datetime.date` object that will set the date of the page.
+        - `datetime`: A `datetime.datetime` object that will set the date and
+            time of the page.
+        - `route_params`: A dictionary of route parameters to generate the
+            URL to the content.
+        - `config`: A dictionary of configuration settings to merge into the
+            settings found in the content itself.
     """
-    def __init__(self, source, rel_path, metadata):
-        self.source = source
-        self.rel_path = rel_path
+    def __init__(self, spec, metadata):
+        self.spec = spec
         self.metadata = metadata
 
-    @cached_property
-    def ref_spec(self):
-        return '%s:%s' % (self.source.name, self.rel_path)
-
-    @cached_property
-    def path(self):
-        path, _ = self.source.resolveRef(self.rel_path)
-        return path
-
-    def buildPage(self):
-        repo = self.source.app.env.page_repository
-        cache_key = '%s:%s' % (self.source.name, self.rel_path)
-        return repo.get(cache_key, self._doBuildPage)
-
-    def _doBuildPage(self):
-        logger.debug("Building page: %s" % self.path)
-        page = Page(self.source, copy.deepcopy(self.metadata), self.rel_path)
-        return page
+    @property
+    def is_group(self):
+        return False
 
 
-class PageSource(object):
-    """ A source for pages, e.g. a directory with one file per page.
+class ContentGroup:
+    """ Describes a group of `ContentItem`s.
     """
+    def __init__(self, spec, metadata):
+        self.spec = spec
+        self.metadata = metadata
+
+    @property
+    def is_group(self):
+        return True
+
+
+class ContentSource:
+    """ A source for content.
+    """
+    DEFAULT_PIPELINE_NAME = None
+
     def __init__(self, app, name, config):
         self.app = app
         self.name = name
         self.config = config or {}
-        self.config.setdefault('realm', REALM_USER)
-        self._factories = None
-        self._provider_type = None
-
-    def __getattr__(self, name):
-        try:
-            return self.config[name]
-        except KeyError:
-            raise AttributeError()
+        self._cache = None
+        self._page_cache = None
 
     @property
     def is_theme_source(self):
-        return self.realm == REALM_THEME
+        return self.config['realm'] == REALM_THEME
+
+    @cached_property
+    def route(self):
+        return self.app.getSourceRoute(self.name)
+
+    def openItem(self, item, mode='r', **kwargs):
+        raise NotImplementedError()
+
+    def getItemMtime(self, item):
+        raise NotImplementedError()
 
-    @property
-    def root_dir(self):
-        if self.is_theme_source:
-            return self.app.theme_dir
-        return self.app.root_dir
+    def getAllPages(self):
+        if self._page_cache is not None:
+            return self._page_cache
 
-    def getPages(self):
-        return build_pages(self.app, self.getPageFactories())
+        getter = self.app.getPage
+        self._page_cache = [getter(self, i) for i in self.getAllContents()]
+        return self._page_cache
+
+    def getAllContents(self):
+        if self._cache is not None:
+            return self._cache
 
-    def getPage(self, metadata):
-        factory = self.findPageFactory(metadata, MODE_PARSING)
-        if factory is None:
-            return None
-        return factory.buildPage()
+        cache = []
+        stack = collections.deque()
+        stack.append(None)
+        while len(stack) > 0:
+            cur = stack.popleft()
+            try:
+                contents = self.getContents(cur)
+            except GeneratedContentException:
+                continue
+            if contents is not None:
+                for c in contents:
+                    if c.is_group:
+                        stack.append(c)
+                    else:
+                        cache.append(c)
+        self._cache = cache
+        return cache
 
-    def getPageFactories(self):
-        if self._factories is None:
-            self._factories = list(self.buildPageFactories())
-        return self._factories
+    def getContents(self, group):
+        raise NotImplementedError("'%s' doesn't implement 'getContents'." %
+                                  self.__class__)
+
+    def getParentGroup(self, item):
+        raise NotImplementedError()
+
+    def getRelatedContents(self, item, relationship):
+        raise NotImplementedError()
+
+    def findGroup(self, rel_spec):
+        raise NotImplementedError()
+
+    def findContent(self, route_params):
+        raise NotImplementedError()
 
     def getSupportedRouteParameters(self):
         raise NotImplementedError()
 
-    def buildPageFactories(self):
-        raise NotImplementedError()
-
-    def buildPageFactory(self, path):
-        raise NotImplementedError()
-
-    def resolveRef(self, ref_path):
-        """ Returns the full path and source metadata given a source
-            (relative) path, like a ref-spec.
-        """
-        raise NotImplementedError()
-
-    def findPageFactory(self, metadata, mode):
-        raise NotImplementedError()
-
-    def buildDataProvider(self, page, override):
-        if not self._provider_type:
-            from piecrust.data.provider import get_data_provider_class
-            self._provider_type = get_data_provider_class(self.app,
-                                                          self.data_type)
-        return self._provider_type(self, page, override)
-
-    def finalizeConfig(self, page):
+    def prepareRenderContext(self, ctx):
         pass
 
-    def buildAssetor(self, page, uri):
-        return Assetor(page, uri)
+    def onRouteFunctionUsed(self, route_params):
+        pass
 
+    def describe(self):
+        return None
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/sources/blogarchives.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,233 @@
+import time
+import logging
+import datetime
+import collections
+from piecrust.data.filters import PaginationFilter, IFilterClause
+from piecrust.dataproviders.pageiterator import (
+    PageIterator, HardCodedFilterIterator, DateSortIterator)
+from piecrust.page import Page
+from piecrust.pipelines._pagebaker import PageBaker
+from piecrust.pipelines._pagerecords import PagePipelineRecordEntry
+from piecrust.pipelines.base import (
+    ContentPipeline, get_record_name_for_source)
+from piecrust.routing import RouteParameter
+from piecrust.sources.base import ContentItem
+from piecrust.sources.generator import GeneratorSourceBase
+from piecrust.sources.list import ListSource
+
+
+logger = logging.getLogger(__name__)
+
+
+_year_index = """---
+layout: %(template)s
+---
+"""
+
+
+class BlogArchivesSource(GeneratorSourceBase):
+    SOURCE_NAME = 'blog_archives'
+    DEFAULT_PIPELINE_NAME = 'blog_archives'
+
+    def __init__(self, app, name, config):
+        super().__init__(app, name, config)
+
+        tpl_name = config.get('template', '_year.html')
+        self._raw_item = _year_index % {'template': tpl_name}
+
+    def getSupportedRouteParameters(self):
+        return [RouteParameter('year', RouteParameter.TYPE_INT4)]
+
+    def findContent(self, route_params):
+        year = route_params['year']
+        spec = '_index'
+        metadata = {
+            'record_entry_spec': '_index[%04d]' % year,
+            'route_params': {'year': year}
+        }
+        return ContentItem(spec, metadata)
+
+    def prepareRenderContext(self, ctx):
+        ctx.pagination_source = self.inner_source
+
+        route_params = ctx.page.source_metadata['route_params']
+        year = route_params.get('year')
+        if year is None:
+            raise Exception(
+                "Can't find the archive year in the route metadata")
+        if type(year) is not int:
+            raise Exception(
+                "The route for generator '%s' should specify an integer "
+                "parameter for 'year'." % self.name)
+
+        flt = PaginationFilter()
+        flt.addClause(IsFromYearFilterClause(year))
+        ctx.pagination_filter = flt
+
+        ctx.custom_data['year'] = year
+
+        flt2 = PaginationFilter()
+        flt2.addClause(IsFromYearFilterClause(year))
+        it = PageIterator(self.inner_source)
+        it._simpleNonSortedWrap(HardCodedFilterIterator, flt2)
+        it._wrapAsSort(DateSortIterator, reverse=False)
+        ctx.custom_data['archives'] = it
+
+        ctx.custom_data['monthly_archives'] = _MonthlyArchiveData(
+            self.inner_source, year)
+
+
+class IsFromYearFilterClause(IFilterClause):
+    def __init__(self, year):
+        self.year = year
+
+    def pageMatches(self, fil, page):
+        return (page.datetime.year == self.year)
+
+
+class _MonthlyArchiveData(collections.abc.Mapping):
+    def __init__(self, inner_source, year):
+        self._inner_source = inner_source
+        self._year = year
+        self._months = None
+
+    def __iter__(self):
+        self._load()
+        return iter(self._months)
+
+    def __len__(self):
+        self._load()
+        return len(self._months)
+
+    def __getitem__(self, i):
+        self._load()
+        return self._months[i]
+
+    def _load(self):
+        if self._months is not None:
+            return
+
+        month_index = {}
+        for page in self._inner_source.getAllPages():
+            if page.datetime.year != self._year:
+                continue
+
+            month = page.datetime.month
+
+            posts_this_month = month_index.get(month)
+            if posts_this_month is None:
+                posts_this_month = []
+                month_index[month] = posts_this_month
+            posts_this_month.append(page.content_item)
+
+        self._months = []
+        for m, ptm in month_index.items():
+            timestamp = time.mktime((self._year, m, 1, 0, 0, 0, 0, 0, -1))
+
+            it = PageIterator(ListSource(self._inner_source, ptm))
+            it._wrapAsSort(DateSortIterator, reverse=False)
+
+            self._months.append({
+                'timestamp': timestamp,
+                'posts': it
+            })
+
+
+class BlogArchivesPipelineRecordEntry(PagePipelineRecordEntry):
+    def __init__(self):
+        super().__init__()
+        self.year = None
+
+
+class BlogArchivesPipeline(ContentPipeline):
+    PIPELINE_NAME = 'blog_archives'
+    PASS_NUM = 10
+    RECORD_ENTRY_CLASS = BlogArchivesPipelineRecordEntry
+
+    def __init__(self, source, ctx):
+        if not isinstance(source, BlogArchivesSource):
+            raise Exception("The blog archives pipeline only supports blog "
+                            "archives content sources.")
+
+        super().__init__(source, ctx)
+        self.inner_source = source.inner_source
+        self._tpl_name = source.config['template']
+        self._all_years = None
+        self._dirty_years = None
+        self._pagebaker = None
+
+    def initialize(self):
+        self._pagebaker = PageBaker(self.app,
+                                    self.ctx.out_dir,
+                                    force=self.ctx.force)
+        self._pagebaker.startWriterQueue()
+
+    def shutdown(self):
+        self._pagebaker.stopWriterQueue()
+
+    def createJobs(self, ctx):
+        logger.debug("Caching template page for blog archives '%s'." %
+                     self.inner_source.name)
+        page = self.app.getPage(self.source, ContentItem('_index', {}))
+        page._load()
+
+        logger.debug("Building blog archives for: %s" %
+                     self.inner_source.name)
+        self._buildDirtyYears(ctx)
+        logger.debug("Got %d dirty years out of %d." %
+                     (len(self._dirty_years), len(self._all_years)))
+
+        jobs = []
+        for y in self._dirty_years:
+            item = ContentItem(
+                '_index',
+                {
+                    'record_entry_spec': '_index[%04d]' % y,
+                    'route_params': {'year': y}
+                })
+            jobs.append(self.createJob(item))
+        if len(jobs) > 0:
+            return jobs
+        return None
+
+    def run(self, job, ctx, result):
+        page = Page(self.source, job.content_item)
+        prev_entry = ctx.previous_entry
+        cur_entry = result.record_entry
+        cur_entry.year = job.content_item.metadata['route_params']['year']
+        self._pagebaker.bake(page, prev_entry, cur_entry)
+
+    def postJobRun(self, ctx):
+        # Create bake entries for the years that were *not* dirty.
+        # Otherwise, when checking for deleted pages, we would not find any
+        # outputs and would delete those files.
+        all_str_years = [str(y) for y in self._all_years]
+        for prev, cur in ctx.record_history.diffs:
+            if prev and not cur:
+                y = prev.year
+                if y in all_str_years:
+                    logger.debug(
+                        "Creating unbaked entry for year %s archive." % y)
+                    cur.year = y
+                    cur.out_paths = list(prev.out_paths)
+                    cur.errors = list(prev.errors)
+                else:
+                    logger.debug(
+                        "No page references year %s anymore." % y)
+
+    def _buildDirtyYears(self, ctx):
+        all_years = set()
+        dirty_years = set()
+
+        record_name = get_record_name_for_source(self.inner_source)
+        current_records = ctx.record_histories.current
+        cur_rec = current_records.getRecord(record_name)
+        for cur_entry in cur_rec.getEntries():
+            dt = datetime.datetime.fromtimestamp(cur_entry.timestamp)
+            all_years.add(dt.year)
+            if cur_entry.was_any_sub_baked:
+                dirty_years.add(dt.year)
+
+        self._all_years = all_years
+        self._dirty_years = dirty_years
+
--- a/piecrust/sources/default.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/sources/default.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,164 +1,54 @@
 import os.path
 import logging
-from piecrust import osutil
 from piecrust.routing import RouteParameter
-from piecrust.sources.base import (
-        PageFactory, PageSource, InvalidFileSystemEndpointError,
-        MODE_CREATING)
+from piecrust.sources.base import REL_ASSETS, ContentItem
+from piecrust.sources.fs import FSContentSource
 from piecrust.sources.interfaces import (
-        IListableSource, IPreparingSource, IInteractiveSource,
-        InteractiveField)
-from piecrust.sources.mixins import SimplePaginationSourceMixin
+    IPreparingSource, IInteractiveSource, InteractiveField)
+from piecrust.sources.mixins import SimpleAssetsSubDirMixin
+from piecrust.uriutil import uri_to_title
 
 
 logger = logging.getLogger(__name__)
 
 
-def filter_page_dirname(d):
-    return not (d.startswith('.') or d.endswith('-assets'))
-
-
-def filter_page_filename(f):
-    return (f[0] != '.' and   # .DS_store and other crap
-            f[-1] != '~' and  # Vim temp files and what-not
-            f not in ['Thumbs.db'])  # Windows bullshit
-
-
-class DefaultPageSource(PageSource,
-                        IListableSource, IPreparingSource, IInteractiveSource,
-                        SimplePaginationSourceMixin):
+class DefaultContentSource(FSContentSource,
+                           SimpleAssetsSubDirMixin,
+                           IPreparingSource, IInteractiveSource):
     SOURCE_NAME = 'default'
+    DEFAULT_PIPELINE_NAME = 'page'
 
     def __init__(self, app, name, config):
-        super(DefaultPageSource, self).__init__(app, name, config)
-        self.fs_endpoint = config.get('fs_endpoint', name)
-        self.fs_endpoint_path = os.path.join(self.root_dir, self.fs_endpoint)
-        self.supported_extensions = list(
-                app.config.get('site/auto_formats').keys())
-        self.default_auto_format = app.config.get('site/default_auto_format')
-
-    def getSupportedRouteParameters(self):
-        return [
-            RouteParameter('slug', RouteParameter.TYPE_PATH)]
+        super().__init__(app, name, config)
 
-    def buildPageFactories(self):
-        logger.debug("Scanning for pages in: %s" % self.fs_endpoint_path)
-        if not os.path.isdir(self.fs_endpoint_path):
-            if self.ignore_missing_dir:
-                return
-            raise InvalidFileSystemEndpointError(self.name,
-                                                 self.fs_endpoint_path)
-
-        for dirpath, dirnames, filenames in osutil.walk(self.fs_endpoint_path):
-            rel_dirpath = os.path.relpath(dirpath, self.fs_endpoint_path)
-            dirnames[:] = list(filter(filter_page_dirname, dirnames))
-            for f in sorted(filter(filter_page_filename, filenames)):
-                fac_path = f
-                if rel_dirpath != '.':
-                    fac_path = os.path.join(rel_dirpath, f)
+        config.setdefault('data_type', 'page_iterator')
 
-                slug = self._makeSlug(fac_path)
-                metadata = {'slug': slug}
-                fac_path = fac_path.replace('\\', '/')
-                self._populateMetadata(fac_path, metadata)
-                yield PageFactory(self, fac_path, metadata)
+        self.auto_formats = app.config.get('site/auto_formats')
+        self.default_auto_format = app.config.get('site/default_auto_format')
+        self.supported_extensions = list(self.auto_formats)
 
-    def buildPageFactory(self, path):
-        if not path.startswith(self.fs_endpoint_path):
-            raise Exception("Page path '%s' isn't inside '%s'." % (
-                    path, self.fs_enpoint_path))
-        rel_path = path[len(self.fs_endpoint_path):].lstrip('\\/')
-        slug = self._makeSlug(rel_path)
-        metadata = {'slug': slug}
-        fac_path = rel_path.replace('\\', '/')
-        self._populateMetadata(fac_path, metadata)
-        return PageFactory(self, fac_path, metadata)
+    def _createItemMetadata(self, path):
+        return self._doCreateItemMetadata(path)
 
-    def resolveRef(self, ref_path):
-        path = os.path.normpath(
-                os.path.join(self.fs_endpoint_path, ref_path.lstrip("\\/")))
-        slug = self._makeSlug(ref_path)
-        metadata = {'slug': slug}
-        self._populateMetadata(ref_path, metadata)
-        return path, metadata
-
-    def findPageFactory(self, metadata, mode):
-        uri_path = metadata.get('slug', '')
-        if not uri_path:
-            uri_path = '_index'
-        path = os.path.join(self.fs_endpoint_path, uri_path)
-        _, ext = os.path.splitext(path)
+    def _finalizeContent(self, parent_group, items, groups):
+        SimpleAssetsSubDirMixin._removeAssetGroups(self, groups)
 
-        if mode == MODE_CREATING:
-            if ext == '':
-                path = '%s.%s' % (path, self.default_auto_format)
-            rel_path = os.path.relpath(path, self.fs_endpoint_path)
-            rel_path = rel_path.replace('\\', '/')
-            self._populateMetadata(rel_path, metadata, mode)
-            return PageFactory(self, rel_path, metadata)
-
-        if ext == '':
-            paths_to_check = [
-                    '%s.%s' % (path, e)
-                    for e in self.supported_extensions]
-        else:
-            paths_to_check = [path]
-        for path in paths_to_check:
-            if os.path.isfile(path):
-                rel_path = os.path.relpath(path, self.fs_endpoint_path)
-                rel_path = rel_path.replace('\\', '/')
-                self._populateMetadata(rel_path, metadata, mode)
-                return PageFactory(self, rel_path, metadata)
-
-        return None
+    def _doCreateItemMetadata(self, path):
+        slug = self._makeSlug(path)
+        metadata = {
+            'route_params': {
+                'slug': slug
+            }
+        }
+        _, ext = os.path.splitext(path)
+        if ext:
+            fmt = self.auto_formats.get(ext.lstrip('.'))
+            if fmt:
+                metadata['config'] = {'format': fmt}
+        return metadata
 
-    def listPath(self, rel_path):
-        rel_path = rel_path.lstrip('\\/')
-        path = os.path.join(self.fs_endpoint_path, rel_path)
-        names = sorted(osutil.listdir(path))
-        items = []
-        for name in names:
-            if os.path.isdir(os.path.join(path, name)):
-                if filter_page_dirname(name):
-                    rel_subdir = os.path.join(rel_path, name)
-                    items.append((True, name, rel_subdir))
-            else:
-                if filter_page_filename(name):
-                    slug = self._makeSlug(os.path.join(rel_path, name))
-                    metadata = {'slug': slug}
-
-                    fac_path = name
-                    if rel_path != '.':
-                        fac_path = os.path.join(rel_path, name)
-                    fac_path = fac_path.replace('\\', '/')
-
-                    self._populateMetadata(fac_path, metadata)
-                    fac = PageFactory(self, fac_path, metadata)
-
-                    name, _ = os.path.splitext(name)
-                    items.append((False, name, fac))
-        return items
-
-    def getDirpath(self, rel_path):
-        return os.path.dirname(rel_path)
-
-    def getBasename(self, rel_path):
-        filename = os.path.basename(rel_path)
-        name, _ = os.path.splitext(filename)
-        return name
-
-    def setupPrepareParser(self, parser, app):
-        parser.add_argument('uri', help='The URI for the new page.')
-
-    def buildMetadata(self, args):
-        return {'slug': args.uri}
-
-    def getInteractiveFields(self):
-        return [
-                InteractiveField('slug', InteractiveField.TYPE_STRING,
-                                 'new-page')]
-
-    def _makeSlug(self, rel_path):
+    def _makeSlug(self, path):
+        rel_path = os.path.relpath(path, self.fs_endpoint_path)
         slug, ext = os.path.splitext(rel_path)
         slug = slug.replace('\\', '/')
         if ext.lstrip('.') not in self.supported_extensions:
@@ -169,6 +59,54 @@
             slug = ''
         return slug
 
-    def _populateMetadata(self, rel_path, metadata, mode=None):
-        pass
+    def getRelatedContents(self, item, relationship):
+        if relationship == REL_ASSETS:
+            return SimpleAssetsSubDirMixin._getRelatedAssetsContents(
+                self, item)
+        return FSContentSource.getRelatedContents(self, item, relationship)
+
+    def getSupportedRouteParameters(self):
+        return [
+            RouteParameter('slug', RouteParameter.TYPE_PATH)]
+
+    def findContent(self, route_params):
+        uri_path = route_params.get('slug', '')
+        if not uri_path:
+            uri_path = '_index'
+        path = os.path.join(self.fs_endpoint_path, uri_path)
+        _, ext = os.path.splitext(path)
 
+        if ext == '':
+            paths_to_check = [
+                '%s.%s' % (path, e)
+                for e in self.supported_extensions]
+        else:
+            paths_to_check = [path]
+        for path in paths_to_check:
+            if os.path.isfile(path):
+                metadata = self._doCreateItemMetadata(path)
+                return ContentItem(path, metadata)
+        return None
+
+    def setupPrepareParser(self, parser, app):
+        parser.add_argument('uri', help='The URI for the new page.')
+
+    def createContent(self, args):
+        uri = args.get('uri')
+        if not uri:
+            uri = '_index'
+        path = os.path.join(self.fs_endpoint_path, uri)
+        _, ext = os.path.splitext(path)
+        if ext == '':
+            path = '%s.%s' % (path, self.default_auto_format)
+
+        metadata = self._doCreateItemMetadata(path)
+        config = metadata.setdefault('config', {})
+        config.update({'title': uri_to_title(
+            os.path.basename(metadata['slug']))})
+        return ContentItem(path, metadata)
+
+    def getInteractiveFields(self):
+        return [
+            InteractiveField('slug', InteractiveField.TYPE_STRING,
+                             'new-page')]
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/sources/fs.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,189 @@
+import os.path
+import re
+import glob
+import fnmatch
+import logging
+from piecrust import osutil
+from piecrust.routing import RouteParameter
+from piecrust.sources.base import (
+    ContentItem, ContentGroup, ContentSource,
+    REL_LOGICAL_PARENT_ITEM, REL_LOGICAl_CHILD_GROUP)
+
+
+logger = logging.getLogger(__name__)
+
+
+class InvalidFileSystemEndpointError(Exception):
+    def __init__(self, source_name, fs_endpoint):
+        super(InvalidFileSystemEndpointError, self).__init__(
+            "Invalid file-system endpoint for source '%s': %s" %
+            (source_name, fs_endpoint))
+
+
+def _filter_crap_files(f):
+    return (f[-1] != '~' and  # Vim temp files and what-not
+            f not in ['.DS_Store', 'Thumbs.db'])  # OSX and Windows bullshit
+
+
+class FSContentSourceBase(ContentSource):
+    """ Implements some basic stuff for a `ContentSource` that stores its
+        items as files on disk.
+    """
+    def __init__(self, app, name, config):
+        super().__init__(app, name, config)
+        self.fs_endpoint = config.get('fs_endpoint', name)
+        self.fs_endpoint_path = os.path.join(self.root_dir, self.fs_endpoint)
+
+    @property
+    def root_dir(self):
+        if self.is_theme_source:
+            return self.app.theme_dir
+        return self.app.root_dir
+
+    def _checkFSEndpoint(self):
+        if not os.path.isdir(self.fs_endpoint_path):
+            if self.config.get('ignore_missing_dir'):
+                return False
+            raise InvalidFileSystemEndpointError(self.name,
+                                                 self.fs_endpoint_path)
+        return True
+
+    def openItem(self, item, mode='r', encoding=None):
+        for m in 'wxa+':
+            if m in mode:
+                # If opening the file for writing, let's make sure the
+                # directory exists.
+                dirname = os.path.dirname(item.spec)
+                if not os.path.exists(dirname):
+                    os.makedirs(dirname, 0o755)
+                break
+        return open(item.spec, mode, encoding=encoding)
+
+    def getItemMtime(self, item):
+        return os.path.getmtime(item.spec)
+
+    def describe(self):
+        return {'endpoint_path': self.fs_endpoint_path}
+
+
+class FSContentSource(FSContentSourceBase):
+    """ Implements a `ContentSource` that simply returns files on disk
+        under a given root directory.
+    """
+    SOURCE_NAME = 'fs'
+
+    def __init__(self, app, name, config):
+        super().__init__(app, name, config)
+
+        config.setdefault('data_type', 'asset_iterator')
+
+        ig, ir = _parse_ignores(config.get('ignore'))
+        self._ignore_globs = ig
+        self._ignore_regexes = ir
+
+    def getContents(self, group):
+        if not self._checkFSEndpoint():
+            return None
+
+        parent_path = self.fs_endpoint_path
+        if group is not None:
+            parent_path = group.spec
+
+        names = filter(_filter_crap_files, osutil.listdir(parent_path))
+
+        final_names = []
+        for name in names:
+            path = os.path.join(parent_path, name)
+            if not self._filterIgnored(path):
+                final_names.append(name)
+
+        items = []
+        groups = []
+        for name in final_names:
+            path = os.path.join(parent_path, name)
+            if os.path.isdir(path):
+                metadata = self._createGroupMetadata(path)
+                groups.append(ContentGroup(path, metadata))
+            else:
+                metadata = self._createItemMetadata(path)
+                items.append(ContentItem(path, metadata))
+        self._finalizeContent(group, items, groups)
+        return items + groups
+
+    def getParentGroup(self, item):
+        parent_dir = os.path.dirname(item.spec)
+        if len(parent_dir) >= len(self.fs_endpoint_path):
+            metadata = self._createGroupMetadata(parent_dir)
+            return ContentGroup(parent_dir, metadata)
+
+        # Don't return a group for paths that are outside of our
+        # endpoint directory.
+        return None
+
+    def _filterIgnored(self, path):
+        rel_path = os.path.relpath(path, self.fs_endpoint_path)
+        for g in self._ignore_globs:
+            if fnmatch.fnmatch(rel_path, g):
+                return True
+        for r in self._ignore_regexes:
+            if r.search(g):
+                return True
+        return False
+
+    def _createGroupMetadata(self, path):
+        return {}
+
+    def _createItemMetadata(self, path):
+        return {}
+
+    def _finalizeContent(self, parent_group, items, groups):
+        pass
+
+    def findGroup(self, rel_spec):
+        path = os.path.join(self.fs_endpoint_path, rel_spec)
+        if os.path.isdir(path):
+            metadata = self._createGroupMetadata(path)
+            return ContentGroup(path, metadata)
+        return None
+
+    def getRelatedContents(self, item, relationship):
+        if relationship == REL_LOGICAL_PARENT_ITEM:
+            # If we want the logical parent item of a folder, we find a
+            # page file with the same name as the folder.
+            if not item.is_group:
+                raise ValueError()
+            parent_glob = os.path.join(item.spec, '*')
+            for n in glob.iglob(parent_glob):
+                if os.path.isfile(n):
+                    metadata = self._createItemMetadata(n)
+                    return ContentItem(n, metadata)
+            return None
+
+        if relationship == REL_LOGICAl_CHILD_GROUP:
+            # If we want the children items of an item, we look for
+            # a directory that has the same name as the item's file.
+            if item.is_group:
+                raise ValueError()
+            dir_path, _ = os.path.splitext(item.spec)
+            if os.path.isdir(dir_path):
+                metadata = self._createGroupMetadata(dir_path)
+                return [ContentGroup(dir_path, metadata)]
+            return None
+
+        return None
+
+    def getSupportedRouteParameters(self):
+        return [
+            RouteParameter('path', RouteParameter.TYPE_PATH)]
+
+
+def _parse_ignores(patterns):
+    globs = []
+    regexes = []
+    if patterns:
+        for pat in patterns:
+            if len(pat) > 2 and pat[0] == '/' and pat[-1] == '/':
+                regexes.append(re.compile(pat[1:-1]))
+            else:
+                globs.append(pat)
+    return globs, regexes
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/sources/generator.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,36 @@
+import io
+import time
+from werkzeug.utils import cached_property
+from piecrust.configuration import ConfigurationError
+from piecrust.sources.base import ContentSource, GeneratedContentException
+
+
+class GeneratorSourceBase(ContentSource):
+    def __init__(self, app, name, config):
+        super().__init__(app, name, config)
+
+        source_name = config.get('source')
+        if source_name is None:
+            raise ConfigurationError(
+                "Taxonomy source '%s' requires an inner source." % name)
+        self._inner_source_name = source_name
+
+        self._raw_item = ''
+        self._raw_item_time = time.time()
+
+    @cached_property
+    def inner_source(self):
+        return self.app.getSource(self._inner_source_name)
+
+    def getContents(self, group):
+        # Our content is procedurally generated from other content sources,
+        # so we really don't support listing anything here -- it would be
+        # typically quite costly.
+        raise GeneratedContentException()
+
+    def openItem(self, item, mode='r', **kwargs):
+        return io.StringIO(self._raw_item)
+
+    def getItemMtime(self, item):
+        return self._raw_item_time
+
--- a/piecrust/sources/interfaces.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/sources/interfaces.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,41 +1,3 @@
-
-
-class IPaginationSource(object):
-    """ Defines the interface for a source that can be used as the data
-        for an iterator or a pagination.
-    """
-    def getItemsPerPage(self):
-        raise NotImplementedError()
-
-    def getSourceIterator(self):
-        raise NotImplementedError()
-
-    def getSorterIterator(self, it):
-        raise NotImplementedError()
-
-    def getTailIterator(self, it):
-        raise NotImplementedError()
-
-    def getPaginationFilter(self, page):
-        raise NotImplementedError()
-
-    def getSettingAccessor(self):
-        raise NotImplementedError()
-
-
-class IListableSource(object):
-    """ Defines the interface for a source that can be iterated on in a
-        hierarchical manner, for use with the `family` data endpoint.
-    """
-    def listPath(self, rel_path):
-        raise NotImplementedError()
-
-    def getDirpath(self, rel_path):
-        raise NotImplementedError()
-
-    def getBasename(self, rel_path):
-        raise NotImplementedError()
-
 
 class IPreparingSource(object):
     """ Defines the interface for a source whose pages can be created by the
@@ -44,11 +6,13 @@
     def setupPrepareParser(self, parser, app):
         raise NotImplementedError()
 
-    def buildMetadata(self, args):
+    def createContent(self, args):
         raise NotImplementedError()
 
 
 class InteractiveField(object):
+    """ A field to display in the administration web UI.
+    """
     TYPE_STRING = 0
     TYPE_INT = 1
 
@@ -59,6 +23,9 @@
 
 
 class IInteractiveSource(object):
+    """ A content source that a user can interact with in the administration
+        web UI.
+    """
     def getInteractiveFields(self):
         raise NotImplementedError()
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/sources/list.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,31 @@
+from piecrust.sources.base import ContentSource
+
+
+class ListSource(ContentSource):
+    def __init__(self, inner_source, items):
+        super().__init__(
+            inner_source.app, inner_source.name, inner_source.config)
+
+        self.inner_source = inner_source
+        self.items = items
+
+    def openItem(self, item, mode='r', **kwargs):
+        return self.inner_source.openItem(item, mode, **kwargs)
+
+    def getItemMtime(self, item):
+        return self.inner_source.getItemMtime(item)
+
+    def getContents(self, group):
+        return self.items
+
+    def getRelatedContents(self, item, relationship):
+        return self.inner_source.getRelatedContents(item, relationship)
+
+    def findContent(self, route_params):
+        # Can't find items... we could find stuff that's not in our list?
+        raise NotImplementedError(
+            "The list source doesn't support finding items.")
+
+    def getSupportedRouteParameters(self):
+        return self.inner_source.getSupportedRouteParameters()
+
--- a/piecrust/sources/mixins.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/sources/mixins.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,165 +1,43 @@
-import os
 import os.path
 import logging
-from piecrust.data.filters import PaginationFilter, page_value_accessor
-from piecrust.data.paginationdata import PaginationData
-from piecrust.sources.base import PageFactory
-from piecrust.sources.interfaces import IPaginationSource, IListableSource
-from piecrust.sources.pageref import PageRef
+from piecrust import osutil
+from piecrust.sources.base import ContentItem
 
 
 logger = logging.getLogger(__name__)
 
-
-class SourceFactoryIterator(object):
-    def __init__(self, source):
-        self.source = source
-
-        # This is to permit recursive traversal of the
-        # iterator chain. It acts as the end.
-        self.it = None
-
-    def __iter__(self):
-        return self.source.getPages()
-
-
-class SourceFactoryWithoutGeneratorsIterator(object):
-    def __init__(self, source):
-        self.source = source
-        self._generator_pages = None
-        # See comment above.
-        self.it = None
-
-    def __iter__(self):
-        self._cacheGeneratorPages()
-        for p in self.source.getPages():
-            if p.rel_path in self._generator_pages:
-                continue
-            yield p
-
-    def _cacheGeneratorPages(self):
-        if self._generator_pages is not None:
-            return
-
-        app = self.source.app
-        self._generator_pages = set()
-        for src in app.sources:
-            for gen in app.generators:
-                for sn, rp in gen.page_ref.possible_split_ref_specs:
-                    if sn == self.source.name:
-                        self._generator_pages.add(rp)
-
-
-class DateSortIterator(object):
-    def __init__(self, it, reverse=True):
-        self.it = it
-        self.reverse = reverse
-
-    def __iter__(self):
-        return iter(sorted(self.it,
-                           key=lambda x: x.datetime, reverse=self.reverse))
-
-
-class PaginationDataBuilderIterator(object):
-    def __init__(self, it):
-        self.it = it
-
-    def __iter__(self):
-        for page in self.it:
-            if page is None:
-                yield None
-            else:
-                yield PaginationData(page)
+assets_suffix = '-assets'
 
 
-class SimplePaginationSourceMixin(IPaginationSource):
-    """ Implements the `IPaginationSource` interface in a standard way that
-        should fit most page sources.
-    """
-    def getItemsPerPage(self):
-        return self.config['items_per_page']
-
-    def getSourceIterator(self):
-        if self.config.get('iteration_includes_generator_pages', False):
-            return SourceFactoryIterator(self)
-        return SourceFactoryWithoutGeneratorsIterator(self)
-
-    def getSorterIterator(self, it):
-        return DateSortIterator(it)
-
-    def getTailIterator(self, it):
-        return PaginationDataBuilderIterator(it)
+class SimpleAssetsSubDirMixin:
+    """ A content source mixin for sources that are file-system-based,
+        and have item assets stored in a sub-folder that is named after
+        the item.
 
-    def getPaginationFilter(self, page):
-        conf = (page.config.get('items_filters') or
-                self.config.get('items_filters'))
-        if conf == 'none' or conf == 'nil' or conf == '':
-            conf = None
-        if conf is not None:
-            f = PaginationFilter(value_accessor=page_value_accessor)
-            f.addClausesFromConfig(conf)
-            return f
-        return None
-
-    def getSettingAccessor(self):
-        return page_value_accessor
-
-
-class SimpleListableSourceMixin(IListableSource):
-    """ Implements the `IListableSource` interface for sources that map to
-        simple file-system structures.
+        More specifically, assets are stored in a sub-folder named:
+        `<item_path>-assets`
     """
-    def listPath(self, rel_path):
-        rel_path = rel_path.lstrip('\\/')
-        path = self._getFullPath(rel_path)
-        names = self._sortFilenames(os.listdir(path))
+    def _getRelatedAssetsContents(self, item):
+        spec_no_ext, _ = os.path.splitext(item.spec)
+        assets_dir = spec_no_ext + assets_suffix
+        try:
+            asset_files = list(osutil.listdir(assets_dir))
+        except (OSError, FileNotFoundError):
+            return None
 
-        items = []
-        for name in names:
-            if os.path.isdir(os.path.join(path, name)):
-                if self._filterPageDirname(name):
-                    rel_subdir = os.path.join(rel_path, name)
-                    items.append((True, name, rel_subdir))
-            else:
-                if self._filterPageFilename(name):
-                    slug = self._makeSlug(os.path.join(rel_path, name))
-                    metadata = {'slug': slug}
-
-                    fac_path = name
-                    if rel_path != '.':
-                        fac_path = os.path.join(rel_path, name)
-                    fac_path = fac_path.replace('\\', '/')
-
-                    self._populateMetadata(fac_path, metadata)
-                    fac = PageFactory(self, fac_path, metadata)
-
-                    name, _ = os.path.splitext(name)
-                    items.append((False, name, fac))
-        return items
+        assets = []
+        for f in asset_files:
+            fpath = os.path.join(assets_dir, f)
+            name, _ = os.path.splitext(f)
+            assets.append(ContentItem(
+                fpath,
+                {'name': name,
+                 'filename': f,
+                 '__is_asset': True}))
+        return assets
 
-    def getDirpath(self, rel_path):
-        return os.path.dirname(rel_path)
-
-    def getBasename(self, rel_path):
-        filename = os.path.basename(rel_path)
-        name, _ = os.path.splitext(filename)
-        return name
-
-    def _getFullPath(self, rel_path):
-        return os.path.join(self.fs_endpoint_path, rel_path)
-
-    def _sortFilenames(self, names):
-        return sorted(names)
-
-    def _filterPageDirname(self, name):
-        return True
-
-    def _filterPageFilename(self, name):
-        return True
-
-    def _makeSlug(self, rel_path):
-        return rel_path.replace('\\', '/')
-
-    def _populateMetadata(self, rel_path, metadata, mode=None):
-        pass
-
+    def _removeAssetGroups(self, groups):
+        asset_groups = [g for g in groups
+                        if g.spec.endswith(assets_suffix)]
+        for g in asset_groups:
+            groups.remove(g)
--- a/piecrust/sources/pageref.py	Thu May 11 13:21:41 2017 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,137 +0,0 @@
-import re
-import os.path
-import copy
-from piecrust.sources.base import PageFactory
-
-
-page_ref_pattern = re.compile(r'(?P<src>[\w]+)\:(?P<path>.*?)(;|$)')
-
-
-class PageNotFoundError(Exception):
-    pass
-
-
-class PageRef(object):
-    """ A reference to a page, with support for looking a page in different
-        realms.
-    """
-    _INDEX_NEEDS_LOADING = -2
-    _INDEX_NOT_FOUND = -1
-
-    class _HitInfo(object):
-        def __init__(self, source_name, rel_path, path, metadata):
-            self.source_name = source_name
-            self.rel_path = rel_path
-            self.path = path
-            self.metadata = metadata
-
-    def __init__(self, app, page_ref):
-        self.app = app
-        self._page_ref = page_ref
-        self._hits = None
-        self._first_valid_hit_index = self._INDEX_NEEDS_LOADING
-        self._exts = list(app.config.get('site/auto_formats').keys())
-
-    def __str__(self):
-        return self._page_ref
-
-    @property
-    def exists(self):
-        try:
-            self._checkHits()
-            return True
-        except PageNotFoundError:
-            return False
-
-    @property
-    def source_name(self):
-        return self._first_valid_hit.source_name
-
-    @property
-    def source(self):
-        return self.app.getSource(self.source_name)
-
-    @property
-    def rel_path(self):
-        return self._first_valid_hit.rel_path
-
-    @property
-    def path(self):
-        return self._first_valid_hit.path
-
-    @property
-    def metadata(self):
-        return self._first_valid_hit.metadata
-
-    @property
-    def possible_ref_specs(self):
-        self._load()
-        return ['%s:%s' % (h.source_name, h.rel_path) for h in self._hits]
-
-    @property
-    def possible_split_ref_specs(self):
-        self._load()
-        return [(h.source_name, h.rel_path) for h in self._hits]
-
-    @property
-    def possible_paths(self):
-        self._load()
-        return [h.path for h in self._hits]
-
-    def getFactory(self):
-        return PageFactory(self.source, self.rel_path,
-                           copy.deepcopy(self.metadata))
-
-    @property
-    def _first_valid_hit(self):
-        self._checkHits()
-        return self._hits[self._first_valid_hit_index]
-
-    def _load(self):
-        if self._hits is not None:
-            return
-
-        self._hits = []
-
-        if self._page_ref is None:
-            self._first_valid_hit_index = self._INDEX_NOT_FOUND
-            return
-
-        it = list(page_ref_pattern.finditer(self._page_ref))
-        if len(it) == 0:
-            raise Exception("Invalid page ref: %s" % self._page_ref)
-
-        for m in it:
-            source_name = m.group('src')
-            source = self.app.getSource(source_name)
-            if source is None:
-                raise Exception("No such source: %s" % source_name)
-            rel_path = m.group('path')
-            if '%ext%' in rel_path:
-                for e in self._exts:
-                    cur_rel_path = rel_path.replace('%ext%', e)
-                    path, metadata = source.resolveRef(cur_rel_path)
-                    self._hits.append(self._HitInfo(
-                            source_name, cur_rel_path, path, metadata))
-            else:
-                path, metadata = source.resolveRef(rel_path)
-                self._hits.append(
-                        self._HitInfo(source_name, rel_path, path, metadata))
-
-    def _checkHits(self):
-        if self._first_valid_hit_index >= 0:
-            return
-
-        if self._first_valid_hit_index == self._INDEX_NEEDS_LOADING:
-            self._load()
-            self._first_valid_hit_index = self._INDEX_NOT_FOUND
-            for i, hit in enumerate(self._hits):
-                if os.path.isfile(hit.path):
-                    self._first_valid_hit_index = i
-                    break
-
-        if self._first_valid_hit_index == self._INDEX_NOT_FOUND:
-            raise PageNotFoundError(
-                    "No valid paths were found for page reference: %s" %
-                    self._page_ref)
-
--- a/piecrust/sources/posts.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/sources/posts.py	Fri Sep 29 17:05:09 2017 -0700
@@ -5,80 +5,57 @@
 import datetime
 from piecrust import osutil
 from piecrust.routing import RouteParameter
-from piecrust.sources.base import (
-        PageSource, InvalidFileSystemEndpointError, PageFactory,
-        MODE_CREATING, MODE_PARSING)
+from piecrust.sources.base import REL_ASSETS, ContentItem
+from piecrust.sources.fs import (
+    FSContentSource, InvalidFileSystemEndpointError)
 from piecrust.sources.interfaces import (
-        IPreparingSource, IInteractiveSource, InteractiveField)
-from piecrust.sources.mixins import SimplePaginationSourceMixin
-from piecrust.uriutil import multi_replace
+    IPreparingSource, IInteractiveSource, InteractiveField)
+from piecrust.sources.mixins import SimpleAssetsSubDirMixin
+from piecrust.uriutil import uri_to_title
 
 
 logger = logging.getLogger(__name__)
 
 
-class PostsSource(PageSource, IPreparingSource, IInteractiveSource,
-                  SimplePaginationSourceMixin):
+class PostsSource(FSContentSource,
+                  SimpleAssetsSubDirMixin,
+                  IPreparingSource, IInteractiveSource):
     PATH_FORMAT = None
+    DEFAULT_PIPELINE_NAME = 'page'
 
     def __init__(self, app, name, config):
-        PageSource.__init__(self, app, name, config)
-        self.fs_endpoint = config.get('fs_endpoint', name)
-        self.fs_endpoint_path = os.path.join(self.root_dir, self.fs_endpoint)
-        self.supported_extensions = list(app.config.get('site/auto_formats').keys())
+        super().__init__(app, name, config)
+
+        config.setdefault('data_type', 'page_iterator')
+
+        self.auto_formats = app.config.get('site/auto_formats')
         self.default_auto_format = app.config.get('site/default_auto_format')
-        self._source_it_cache = None
+        self.supported_extensions = list(self.auto_formats)
 
     @property
     def path_format(self):
         return self.__class__.PATH_FORMAT
 
-    def resolveRef(self, ref_path):
-        path = os.path.normpath(os.path.join(self.fs_endpoint_path, ref_path))
-        metadata = self._parseMetadataFromPath(ref_path)
-        return path, metadata
+    def _finalizeContent(self, groups):
+        SimpleAssetsSubDirMixin._removeAssetGroups(self, groups)
 
-    def getSupportedRouteParameters(self):
-        return [
-            RouteParameter('slug', RouteParameter.TYPE_STRING),
-            RouteParameter('day', RouteParameter.TYPE_INT2),
-            RouteParameter('month', RouteParameter.TYPE_INT2),
-            RouteParameter('year', RouteParameter.TYPE_INT4)]
+    def getParentGroup(self, item):
+        return None
 
-    def buildPageFactory(self, path):
-        if not path.startswith(self.fs_endpoint_path):
-            raise Exception("Page path '%s' isn't inside '%s'." % (
-                    path, self.fs_endpoint_path))
-        rel_path = path[len(self.fs_endpoint_path):].lstrip('\\/')
-        pat = self.PATH_FORMAT % {
-                'year': 'YEAR',
-                'month': 'MONTH',
-                'day': 'DAY',
-                'slug': 'SLUG',
-                'ext': 'EXT'}
-        pat = re.escape(pat)
-        pat = multi_replace(pat, {
-                'YEAR': '(\d{4})',
-                'MONTH': '(\d{2})',
-                'DAY': '(\d{2})',
-                'SLUG': '(.*)',
-                'EXT': '(.*)'})
-        m = re.match(pat, rel_path)
-        if m is None:
-            raise Exception("'%s' isn't a proper %s page path." % (
-                    rel_path, self.SOURCE_NAME))
-        return self._makeFactory(
-                rel_path,
-                m.group(4),
-                int(m.group(1)),
-                int(m.group(2)),
-                int(m.group(3)))
+    def getRelatedContents(self, item, relationship):
+        if relationship == REL_ASSETS:
+            return SimpleAssetsSubDirMixin._getRelatedAssetsContents(
+                self, item)
+        return FSContentSource.getRelatedContents(self, item, relationship)
 
-    def findPageFactory(self, metadata, mode):
-        year = metadata.get('year')
-        month = metadata.get('month')
-        day = metadata.get('day')
-        slug = metadata.get('slug')
+    def findGroup(self, spec):
+        return None
+
+    def findContent(self, route_params):
+        year = route_params.get('year')
+        month = route_params.get('month')
+        day = route_params.get('day')
+        slug = route_params.get('slug')
 
         try:
             if year is not None:
@@ -90,20 +67,18 @@
         except ValueError:
             return None
 
-        ext = metadata.get('ext')
+        ext = route_params.get('ext')
         if ext is None:
             if len(self.supported_extensions) == 1:
                 ext = self.supported_extensions[0]
-            elif mode == MODE_CREATING and self.default_auto_format:
-                ext = self.default_auto_format
 
         replacements = {
-                'year': '%04d' % year if year is not None else None,
-                'month': '%02d' % month if month is not None else None,
-                'day': '%02d' % day if day is not None else None,
-                'slug': slug,
-                'ext': ext
-                }
+            'year': '%04d' % year if year is not None else None,
+            'month': '%02d' % month if month is not None else None,
+            'day': '%02d' % day if day is not None else None,
+            'slug': slug,
+            'ext': ext
+        }
         needs_recapture = False
         if year is None:
             needs_recapture = True
@@ -121,57 +96,105 @@
             needs_recapture = True
             replacements['ext'] = '*'
         path = os.path.normpath(os.path.join(
-                self.fs_endpoint_path, self.path_format % replacements))
+            self.fs_endpoint_path, self.path_format % replacements))
 
         if needs_recapture:
-            if mode == MODE_CREATING:
-                raise ValueError("Not enough information to find a post path.")
             possible_paths = osutil.glob(path)
             if len(possible_paths) != 1:
                 return None
             path = possible_paths[0]
-        elif mode == MODE_PARSING and not os.path.isfile(path):
+        elif not os.path.isfile(path):
             return None
 
-        rel_path = os.path.relpath(path, self.fs_endpoint_path)
-        rel_path = rel_path.replace('\\', '/')
-        fac_metadata = self._parseMetadataFromPath(rel_path)
-        return PageFactory(self, rel_path, fac_metadata)
+        metadata = self._parseMetadataFromPath(path)
+        return ContentItem(path, metadata)
+
+    def _parseMetadataFromPath(self, path):
+        regex_repl = {
+            'year': '(?P<year>\d{4})',
+            'month': '(?P<month>\d{2})',
+            'day': '(?P<day>\d{2})',
+            'slug': '(?P<slug>.*)',
+            'ext': '(?P<ext>.*)'
+        }
+        path_format_re = re.sub(r'([\-\.])', r'\\\1', self.path_format)
+        pattern = path_format_re % regex_repl + '$'
+        m = re.search(pattern, path.replace('\\', '/'))
+        if not m:
+            raise Exception("Expected to be able to match path with path "
+                            "format: %s" % path)
 
-    def getSourceIterator(self):
-        if self._source_it_cache is None:
-            it = SimplePaginationSourceMixin.getSourceIterator(self)
-            self._source_it_cache = list(it)
-        return self._source_it_cache
+        year = int(m.group('year'))
+        month = int(m.group('month'))
+        day = int(m.group('day'))
+        timestamp = datetime.date(year, month, day)
+        metadata = {
+            'route_params': {
+                'year': year,
+                'month': month,
+                'day': day,
+                'slug': m.group('slug')
+            },
+            'date': timestamp
+        }
+        return metadata
+
+    def getSupportedRouteParameters(self):
+        return [
+            RouteParameter('slug', RouteParameter.TYPE_STRING),
+            RouteParameter('day', RouteParameter.TYPE_INT2),
+            RouteParameter('month', RouteParameter.TYPE_INT2),
+            RouteParameter('year', RouteParameter.TYPE_INT4)]
 
     def setupPrepareParser(self, parser, app):
         parser.add_argument(
-                '-d', '--date', help="The date of the post, "
-                "in `year/month/day` format (defaults to today).")
+            '-d', '--date', help="The date of the post, "
+            "in `year/month/day` format (defaults to today).")
         parser.add_argument('slug', help="The URL slug for the new post.")
 
-    def buildMetadata(self, args):
+    def createContent(self, args):
         dt = datetime.date.today()
-        if args.date:
-            if args.date == 'today':
+        date = args.get('date')
+        if isinstance(date, str):
+            if date == 'today':
                 pass  # Keep the default we had.
-            elif args.date == 'tomorrow':
+            elif date == 'tomorrow':
                 dt += datetime.timedelta(days=1)
-            elif args.date.startswith('+'):
+            elif date.startswith('+'):
                 try:
-                    dt += datetime.timedelta(days=int(args.date.lstrip('+')))
+                    dt += datetime.timedelta(days=int(date.lstrip('+')))
                 except ValueError:
                     raise Exception("Date offsets must be numbers.")
             else:
                 try:
-                    year, month, day = [int(s) for s in args.date.split('/')]
+                    year, month, day = [int(s) for s in date.split('/')]
                 except ValueError:
                     raise Exception("Dates must be of the form: "
                                     "YEAR/MONTH/DAY.")
                 dt = datetime.date(year, month, day)
+        elif isinstance(date, datetime.datetime):
+            year = date.year
+            month = date.month
+            day = date.day
+        else:
+            raise Exception("Unknown date: %s" % date)
 
+        slug, ext = os.path.splitext(args.get('slug'))
+        if not ext:
+            ext = self.default_auto_format
         year, month, day = dt.year, dt.month, dt.day
-        return {'year': year, 'month': month, 'day': day, 'slug': args.slug}
+        tokens = {
+            'slug': args.get('slug'),
+            'ext': ext,
+            'year': '%04d' % year,
+            'month': '%02d' % month,
+            'day': '%02d' % day
+        }
+        rel_path = self.path_format % tokens
+        path = os.path.join(self.fs_endpoint_path, rel_path)
+        metadata = self._parseMetadataFromPath(path)
+        metadata['config'] = {'title': uri_to_title(slug)}
+        return ContentItem(path, metadata)
 
     def getInteractiveFields(self):
         dt = datetime.date.today()
@@ -185,96 +208,87 @@
         if not os.path.isdir(self.fs_endpoint_path):
             if self.ignore_missing_dir:
                 return False
-            raise InvalidFileSystemEndpointError(self.name, self.fs_endpoint_path)
+            raise InvalidFileSystemEndpointError(self.name,
+                                                 self.fs_endpoint_path)
         return True
 
-    def _parseMetadataFromPath(self, path):
-        regex_repl = {
-                'year': '(?P<year>\d{4})',
-                'month': '(?P<month>\d{2})',
-                'day': '(?P<day>\d{2})',
-                'slug': '(?P<slug>.*)',
-                'ext': '(?P<ext>.*)'
-                }
-        path_format_re = re.sub(r'([\-\.])', r'\\\1', self.path_format)
-        pattern = path_format_re % regex_repl + '$'
-        m = re.search(pattern, path.replace('\\', '/'))
-        if not m:
-            raise Exception("Expected to be able to match path with path "
-                            "format: %s" % path)
-
-        year = int(m.group('year'))
-        month = int(m.group('month'))
-        day = int(m.group('day'))
+    def _makeContentItem(self, rel_path, slug, year, month, day):
+        path = os.path.join(self.fs_endpoint_path, rel_path)
         timestamp = datetime.date(year, month, day)
         metadata = {
-                'year': year,
-                'month': month,
-                'day': day,
-                'slug': m.group('slug'),
-                'date': timestamp
-                }
-        return metadata
-
-    def _makeFactory(self, path, slug, year, month, day):
-        path = path.replace('\\', '/')
-        timestamp = datetime.date(year, month, day)
-        metadata = {
+            'route_params': {
                 'slug': slug,
                 'year': year,
                 'month': month,
-                'day': day,
-                'date': timestamp}
-        return PageFactory(self, path, metadata)
+                'day': day},
+            'date': timestamp
+        }
+
+        _, ext = os.path.splitext(path)
+        if ext:
+            fmt = self.auto_formats.get(ext.lstrip('.'))
+            if fmt:
+                metadata['config'] = {'format': fmt}
+
+        return ContentItem(path, metadata)
 
 
 class FlatPostsSource(PostsSource):
     SOURCE_NAME = 'posts/flat'
     PATH_FORMAT = '%(year)s-%(month)s-%(day)s_%(slug)s.%(ext)s'
+    PATTERN = re.compile(r'(\d{4})-(\d{2})-(\d{2})_(.*)\.(\w+)$')
 
     def __init__(self, app, name, config):
-        super(FlatPostsSource, self).__init__(app, name, config)
+        super().__init__(app, name, config)
 
-    def buildPageFactories(self):
-        if not self._checkFsEndpointPath():
-            return
-        logger.debug("Scanning for posts (flat) in: %s" % self.fs_endpoint_path)
-        pattern = re.compile(r'(\d{4})-(\d{2})-(\d{2})_(.*)\.(\w+)$')
+    def getContents(self, group):
+        if not self._checkFSEndpoint():
+            return None
+
+        logger.debug("Scanning for posts (flat) in: %s" %
+                     self.fs_endpoint_path)
+        pattern = FlatPostsSource.PATTERN
         _, __, filenames = next(osutil.walk(self.fs_endpoint_path))
         for f in filenames:
             match = pattern.match(f)
             if match is None:
                 name, ext = os.path.splitext(f)
-                logger.warning("'%s' is not formatted as 'YYYY-MM-DD_slug-title.%s' "
-                        "and will be ignored. Is that a typo?" % (f, ext))
+                logger.warning(
+                    "'%s' is not formatted as 'YYYY-MM-DD_slug-title.%s' "
+                    "and will be ignored. Is that a typo?" % (f, ext))
                 continue
-            yield self._makeFactory(
-                    f,
-                    match.group(4),
-                    int(match.group(1)),
-                    int(match.group(2)),
-                    int(match.group(3)))
+            yield self._makeContentItem(
+                f,
+                match.group(4),
+                int(match.group(1)),
+                int(match.group(2)),
+                int(match.group(3)))
 
 
 class ShallowPostsSource(PostsSource):
     SOURCE_NAME = 'posts/shallow'
     PATH_FORMAT = '%(year)s/%(month)s-%(day)s_%(slug)s.%(ext)s'
+    YEAR_PATTERN = re.compile(r'(\d{4})$')
+    FILE_PATTERN = re.compile(r'(\d{2})-(\d{2})_(.*)\.(\w+)$')
 
     def __init__(self, app, name, config):
         super(ShallowPostsSource, self).__init__(app, name, config)
 
-    def buildPageFactories(self):
+    def getContents(self, group):
         if not self._checkFsEndpointPath():
             return
-        logger.debug("Scanning for posts (shallow) in: %s" % self.fs_endpoint_path)
-        year_pattern = re.compile(r'(\d{4})$')
-        file_pattern = re.compile(r'(\d{2})-(\d{2})_(.*)\.(\w+)$')
+
+        logger.debug("Scanning for posts (shallow) in: %s" %
+                     self.fs_endpoint_path)
+        year_pattern = ShallowPostsSource.YEAR_PATTERN
+        file_pattern = ShallowPostsSource.FILE_PATTERN
         _, year_dirs, __ = next(osutil.walk(self.fs_endpoint_path))
         year_dirs = [d for d in year_dirs if year_pattern.match(d)]
         for yd in year_dirs:
             if year_pattern.match(yd) is None:
-                logger.warning("'%s' is not formatted as 'YYYY' and will be ignored. "
-                        "Is that a typo?")
+                logger.warning(
+                    "'%s' is not formatted as 'YYYY' and will be ignored. "
+                    "Is that a typo?")
                 continue
             year = int(yd)
             year_dir = os.path.join(self.fs_endpoint_path, yd)
@@ -284,31 +298,37 @@
                 match = file_pattern.match(f)
                 if match is None:
                     name, ext = os.path.splitext(f)
-                    logger.warning("'%s' is not formatted as 'MM-DD_slug-title.%s' "
-                            "and will be ignored. Is that a typo?" % (f, ext))
+                    logger.warning(
+                        "'%s' is not formatted as 'MM-DD_slug-title.%s' "
+                        "and will be ignored. Is that a typo?" % (f, ext))
                     continue
-                yield self._makeFactory(
-                        os.path.join(yd, f),
-                        match.group(3),
-                        year,
-                        int(match.group(1)),
-                        int(match.group(2)))
+                yield self._makeContentItem(
+                    os.path.join(yd, f),
+                    match.group(3),
+                    year,
+                    int(match.group(1)),
+                    int(match.group(2)))
 
 
 class HierarchyPostsSource(PostsSource):
     SOURCE_NAME = 'posts/hierarchy'
     PATH_FORMAT = '%(year)s/%(month)s/%(day)s_%(slug)s.%(ext)s'
+    YEAR_PATTERN = re.compile(r'(\d{4})$')
+    MONTH_PATTERN = re.compile(r'(\d{2})$')
+    FILE_PATTERN = re.compile(r'(\d{2})_(.*)\.(\w+)$')
 
     def __init__(self, app, name, config):
         super(HierarchyPostsSource, self).__init__(app, name, config)
 
-    def buildPageFactories(self):
+    def getContents(self, group):
         if not self._checkFsEndpointPath():
             return
-        logger.debug("Scanning for posts (hierarchy) in: %s" % self.fs_endpoint_path)
-        year_pattern = re.compile(r'(\d{4})$')
-        month_pattern = re.compile(r'(\d{2})$')
-        file_pattern = re.compile(r'(\d{2})_(.*)\.(\w+)$')
+
+        logger.debug("Scanning for posts (hierarchy) in: %s" %
+                     self.fs_endpoint_path)
+        year_pattern = HierarchyPostsSource.YEAR_PATTERN
+        month_pattern = HierarchyPostsSource.MONTH_PATTERN
+        file_pattern = HierarchyPostsSource.FILE_PATTERN
         _, year_dirs, __ = next(osutil.walk(self.fs_endpoint_path))
         year_dirs = [d for d in year_dirs if year_pattern.match(d)]
         for yd in year_dirs:
@@ -326,14 +346,15 @@
                     match = file_pattern.match(f)
                     if match is None:
                         name, ext = os.path.splitext(f)
-                        logger.warning("'%s' is not formatted as 'DD_slug-title.%s' "
-                                "and will be ignored. Is that a typo?" % (f, ext))
+                        logger.warning(
+                            "'%s' is not formatted as 'DD_slug-title.%s' "
+                            "and will be ignored. Is that a typo?" % (f, ext))
                         continue
                     rel_name = os.path.join(yd, md, f)
-                    yield self._makeFactory(
-                            rel_name,
-                            match.group(2),
-                            year,
-                            month,
-                            int(match.group(1)))
+                    yield self._makeContentItem(
+                        rel_name,
+                        match.group(2),
+                        year,
+                        month,
+                        int(match.group(1)))
 
--- a/piecrust/sources/prose.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/sources/prose.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,33 +1,28 @@
-import os
-import os.path
 import copy
 import logging
-from piecrust.sources.base import MODE_CREATING, MODE_PARSING
-from piecrust.sources.default import DefaultPageSource
+from piecrust.sources.default import DefaultContentSource
 
 
 logger = logging.getLogger(__name__)
 
 
-class ProseSource(DefaultPageSource):
+class ProseSource(DefaultContentSource):
     SOURCE_NAME = 'prose'
 
     def __init__(self, app, name, config):
-        super(ProseSource, self).__init__(app, name, config)
+        super().__init__(app, name, config)
         self.config_recipe = config.get('config', {})
 
-    def _populateMetadata(self, rel_path, metadata, mode=None):
-        metadata['config'] = self._makeConfig(rel_path, mode)
+    def _doCreateItemMetadata(self, path):
+        metadata = super()._doCreateItemMetadata(path)
+        config = metadata.setdefault('config', {})
+        config.update(self._makeConfig(path))
+        return metadata
 
-    def _makeConfig(self, rel_path, mode):
+    def _makeConfig(self, path):
         c = copy.deepcopy(self.config_recipe)
-        if c.get('title') == '%first_line%' and mode != MODE_CREATING:
-            path = os.path.join(self.fs_endpoint_path, rel_path)
-            try:
-                c['title'] = get_first_line(path)
-            except IOError:
-                if mode == MODE_PARSING:
-                    raise
+        if c.get('title') == '%first_line%':
+            c['title'] = get_first_line(path)
         return c
 
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/sources/taxonomy.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,493 @@
+import re
+import copy
+import logging
+import unidecode
+from piecrust.configuration import ConfigurationError
+from piecrust.data.filters import (
+    PaginationFilter, SettingFilterClause)
+from piecrust.page import Page
+from piecrust.pipelines._pagebaker import PageBaker
+from piecrust.pipelines._pagerecords import PagePipelineRecordEntry
+from piecrust.pipelines.base import (
+    ContentPipeline, get_record_name_for_source)
+from piecrust.pipelines.records import RecordHistory
+from piecrust.routing import RouteParameter
+from piecrust.sources.base import ContentItem
+from piecrust.sources.generator import GeneratorSourceBase
+
+
+logger = logging.getLogger(__name__)
+
+
+SLUGIFY_ENCODE = 1
+SLUGIFY_TRANSLITERATE = 2
+SLUGIFY_LOWERCASE = 4
+SLUGIFY_DOT_TO_DASH = 8
+SLUGIFY_SPACE_TO_DASH = 16
+
+
+re_first_dot_to_dash = re.compile(r'^\.+')
+re_dot_to_dash = re.compile(r'\.+')
+re_space_to_dash = re.compile(r'\s+')
+
+
+class Taxonomy(object):
+    """ Describes a taxonomy.
+    """
+    def __init__(self, name, config):
+        self.name = name
+        self.config = config
+        self.term_name = config.get('term', name)
+        self.is_multiple = bool(config.get('multiple', False))
+        self.separator = config.get('separator', '/')
+        self.page_ref = config.get('page')
+
+    @property
+    def setting_name(self):
+        if self.is_multiple:
+            return self.name
+        return self.term_name
+
+
+_taxonomy_index = """---
+layout: %(template)s
+---
+"""
+
+
+class TaxonomySource(GeneratorSourceBase):
+    """ A content source that generates taxonomy listing pages.
+    """
+    SOURCE_NAME = 'taxonomy'
+    DEFAULT_PIPELINE_NAME = 'taxonomy'
+
+    def __init__(self, app, name, config):
+        super().__init__(app, name, config)
+
+        tax_name = config.get('taxonomy')
+        if tax_name is None:
+            raise ConfigurationError(
+                "Taxonomy source '%s' requires a taxonomy name." % name)
+        self.taxonomy = _get_taxonomy(app, tax_name)
+
+        sm = config.get('slugify_mode')
+        self.slugifier = _get_slugifier(app, self.taxonomy, sm)
+
+        tpl_name = config.get('template', '_%s.html' % tax_name)
+        self._raw_item = _taxonomy_index % {'template': tpl_name}
+
+    def getSupportedRouteParameters(self):
+        name = self.taxonomy.term_name
+        param_type = (RouteParameter.TYPE_PATH if self.taxonomy.is_multiple
+                      else RouteParameter.TYPE_STRING)
+        return [RouteParameter(name, param_type,
+                               variadic=self.taxonomy.is_multiple)]
+
+    def findContent(self, route_params):
+        slugified_term = route_params[self.taxonomy.term_name]
+        spec = '_index'
+        metadata = {'term': slugified_term,
+                    'record_entry_spec': '_index[%s]' % slugified_term,
+                    'route_params': {
+                        self.taxonomy.term_name: slugified_term}
+                    }
+        return ContentItem(spec, metadata)
+
+    def slugify(self, term):
+        return self.slugifier.slugify(term)
+
+    def slugifyMultiple(self, terms):
+        return self.slugifier.slugifyMultiple(terms)
+
+    def prepareRenderContext(self, ctx):
+        # Set the pagination source as the source we're generating for.
+        ctx.pagination_source = self.inner_source
+
+        # Get the taxonomy terms from the route metadata... this can come from
+        # the browser's URL (while serving) or from the baking (see `bake`
+        # method below). In both cases, we expect to have the *slugified*
+        # version of the term, because we're going to set a filter that also
+        # slugifies the terms found on each page.
+        #
+        # This is because:
+        #  * while serving, we get everything from the request URL, so we only
+        #    have the slugified version.
+        #  * if 2 slightly different terms "collide" into the same slugified
+        #    term, we'll get a merge of the 2 on the listing page, which is
+        #    what the user expects.
+        #
+        route_params = ctx.page.source_metadata['route_params']
+        tax_terms, is_combination = self._getTaxonomyTerms(route_params)
+        self._setTaxonomyFilter(ctx, tax_terms, is_combination)
+
+        # Add some custom data for rendering.
+        ctx.custom_data.update({
+            self.taxonomy.term_name: tax_terms,
+            'is_multiple_%s' % self.taxonomy.term_name: is_combination})
+        # Add some "plural" version of the term... so for instance, if this
+        # is the "tags" taxonomy, "tag" will have one term most of the time,
+        # except when it's a combination. Here, we add "tags" as something that
+        # is always a tuple, even when it's not a combination.
+        if (self.taxonomy.is_multiple and
+                self.taxonomy.name != self.taxonomy.term_name):
+            mult_val = tax_terms
+            if not is_combination:
+                mult_val = (mult_val,)
+            ctx.custom_data[self.taxonomy.name] = mult_val
+
+    def _getTaxonomyTerms(self, route_params):
+        # Get the individual slugified terms from the route metadata.
+        all_values = route_params.get(self.taxonomy.term_name)
+        if all_values is None:
+            raise Exception("'%s' values couldn't be found in route metadata" %
+                            self.taxonomy.term_name)
+
+        # If it's a "multiple" taxonomy, we need to potentially split the
+        # route value into the individual terms (_e.g._ when listing all pages
+        # that have 2 given tags, we need to get each of those 2 tags).
+        if self.taxonomy.is_multiple:
+            sep = self.taxonomy.separator
+            if sep in all_values:
+                return tuple(all_values.split(sep)), True
+        # Not a "multiple" taxonomy, so there's only the one value.
+        return all_values, False
+
+    def _setTaxonomyFilter(self, ctx, term_value, is_combination):
+        # Set up the filter that will check the pages' terms.
+        flt = PaginationFilter()
+        flt.addClause(HasTaxonomyTermsFilterClause(
+            self.taxonomy, self.slugifier.mode, term_value, is_combination))
+        ctx.pagination_filter = flt
+
+    def onRouteFunctionUsed(self, route_params):
+        # Get the values, and slugify them appropriately.
+        values = route_params[self.taxonomy.term_name]
+        if self.taxonomy.is_multiple:
+            # TODO: here we assume the route has been properly configured.
+            slugified_values = self.slugifyMultiple((str(v) for v in values))
+            route_val = self.taxonomy.separator.join(slugified_values)
+        else:
+            slugified_values = self.slugify(str(values))
+            route_val = slugified_values
+
+        # We need to register this use of a taxonomy term.
+        rcs = self.app.env.render_ctx_stack
+        cpi = rcs.current_ctx.current_pass_info
+        if cpi:
+            utt = cpi.getCustomInfo('used_taxonomy_terms', [], True)
+            utt.append(slugified_values)
+
+        # Put the slugified values in the route metadata so they're used to
+        # generate the URL.
+        route_params[self.taxonomy.term_name] = route_val
+
+
+class HasTaxonomyTermsFilterClause(SettingFilterClause):
+    def __init__(self, taxonomy, slugify_mode, value, is_combination):
+        super().__init__(taxonomy.setting_name, value)
+        self._taxonomy = taxonomy
+        self._is_combination = is_combination
+        self._slugifier = _Slugifier(taxonomy, slugify_mode)
+        if taxonomy.is_multiple:
+            self.pageMatches = self._pageMatchesAny
+        else:
+            self.pageMatches = self._pageMatchesSingle
+
+    def _pageMatchesAny(self, fil, page):
+        # Multiple taxonomy, i.e. it supports multiple terms, like tags.
+        page_values = page.config.get(self.name)
+        if page_values is None or not isinstance(page_values, list):
+            return False
+
+        page_set = set(map(self._slugifier.slugify, page_values))
+        if self._is_combination:
+            # Multiple taxonomy, and multiple terms to match. Check that
+            # the ones to match are all in the page's terms.
+            value_set = set(self.value)
+            return value_set.issubset(page_set)
+        else:
+            # Multiple taxonomy, one term to match.
+            return self.value in page_set
+
+    def _pageMatchesSingle(self, fil, page):
+        # Single taxonomy. Just compare the values.
+        page_value = page.config.get(self.name)
+        if page_value is None:
+            return False
+        page_value = self._slugifier.slugify(page_value)
+        return page_value == self.value
+
+
+def _get_taxonomy(app, tax_name):
+    tax_config = app.config.get('site/taxonomies/' + tax_name)
+    if tax_config is None:
+        raise ConfigurationError("No such taxonomy: %s" % tax_name)
+    return Taxonomy(tax_name, tax_config)
+
+
+def _get_slugifier(app, taxonomy, slugify_mode=None):
+    if slugify_mode is None:
+        slugify_mode = app.config.get('site/slugify_mode', 'encode')
+    sm = _parse_slugify_mode(slugify_mode)
+    return _Slugifier(taxonomy, sm)
+
+
+class TaxonomyPipelineRecordEntry(PagePipelineRecordEntry):
+    def __init__(self):
+        super().__init__()
+        self.term = None
+
+
+class TaxonomyPipeline(ContentPipeline):
+    PIPELINE_NAME = 'taxonomy'
+    PASS_NUM = 10
+    RECORD_ENTRY_CLASS = TaxonomyPipelineRecordEntry
+
+    def __init__(self, source, ctx):
+        if not isinstance(source, TaxonomySource):
+            raise Exception("The taxonomy pipeline only supports taxonomy "
+                            "content sources.")
+
+        super().__init__(source, ctx)
+        self.inner_source = source.inner_source
+        self.taxonomy = source.taxonomy
+        self.slugifier = source.slugifier
+        self._tpl_name = source.config['template']
+        self._analyzer = None
+        self._pagebaker = None
+
+    def initialize(self):
+        self._pagebaker = PageBaker(self.app,
+                                    self.ctx.out_dir,
+                                    force=self.ctx.force)
+        self._pagebaker.startWriterQueue()
+
+    def shutdown(self):
+        self._pagebaker.stopWriterQueue()
+
+    def createJobs(self, ctx):
+        logger.debug("Caching template page for taxonomy '%s'." %
+                     self.taxonomy.name)
+        page = self.app.getPage(self.source, ContentItem('_index', {}))
+        page._load()
+
+        logger.debug("Building '%s' taxonomy pages for source: %s" %
+                     (self.taxonomy.name, self.inner_source.name))
+        self._analyzer = _TaxonomyTermsAnalyzer(self, ctx.record_histories)
+        self._analyzer.analyze()
+
+        logger.debug("Queuing %d '%s' jobs." %
+                     (len(self._analyzer.dirty_slugified_terms),
+                      self.taxonomy.name))
+        jobs = []
+        for slugified_term in self._analyzer.dirty_slugified_terms:
+            item = ContentItem(
+                '_index',
+                {'term': slugified_term,
+                 'record_entry_spec': '_index[%s]' % slugified_term,
+                 'route_params': {
+                     self.taxonomy.term_name: slugified_term}
+                 })
+            jobs.append(self.createJob(item))
+        if len(jobs) > 0:
+            return jobs
+        return None
+
+    def run(self, job, ctx, result):
+        content_item = job.content_item
+        logger.debug("Rendering '%s' page: %s" %
+                     (self.taxonomy.name, content_item.metadata['term']))
+
+        page = Page(self.source, job.content_item)
+        prev_entry = ctx.previous_entry
+        cur_entry = result.record_entry
+        cur_entry.term = content_item.metadata['term']
+        self._pagebaker.bake(page, prev_entry, cur_entry)
+
+    def postJobRun(self, ctx):
+        # We create bake entries for all the terms that were *not* dirty.
+        # This is because otherwise, on the next incremental bake, we wouldn't
+        # find any entry for those things, and figure that we need to delete
+        # their outputs.
+        analyzer = self._analyzer
+        record = ctx.record_history.current
+        for prev, cur in ctx.record_history.diffs:
+            # Only consider entries that don't have any current version
+            # (i.e. they weren't baked just now).
+            if prev and not cur:
+                t = prev.term
+                if analyzer.isKnownSlugifiedTerm(t):
+                    logger.debug("Creating unbaked entry for '%s' term: %s" %
+                                 (self.taxonomy.name, t))
+                    cur = copy.deepcopy(prev)
+                    cur.flags = \
+                        PagePipelineRecordEntry.FLAG_COLLAPSED_FROM_LAST_RUN
+                    record.addEntry(cur)
+                else:
+                    logger.debug("Term '%s' in '%s' isn't used anymore." %
+                                 (t, self.taxonomy.name))
+
+
+class _TaxonomyTermsAnalyzer(object):
+    def __init__(self, pipeline, record_histories):
+        self.pipeline = pipeline
+        self.record_histories = record_histories
+        self._all_terms = {}
+        self._single_dirty_slugified_terms = set()
+        self._all_dirty_slugified_terms = None
+
+    @property
+    def dirty_slugified_terms(self):
+        """ Returns the slugified terms that have been 'dirtied' during
+            this bake.
+        """
+        return self._all_dirty_slugified_terms
+
+    def isKnownSlugifiedTerm(self, term):
+        """ Returns whether the given slugified term has been seen during
+            this bake.
+        """
+        return term in self._all_terms
+
+    def analyze(self):
+        # Build the list of terms for our taxonomy, and figure out which ones
+        # are 'dirty' for the current bake.
+        #
+        # Remember all terms used.
+        source = self.pipeline.inner_source
+        taxonomy = self.pipeline.taxonomy
+        slugifier = self.pipeline.slugifier
+
+        record_name = get_record_name_for_source(source)
+        current_records = self.record_histories.current
+        cur_rec = current_records.getRecord(record_name)
+        for cur_entry in cur_rec.getEntries():
+            if not cur_entry.was_overriden:
+                cur_terms = cur_entry.config.get(taxonomy.setting_name)
+                if cur_terms:
+                    if not taxonomy.is_multiple:
+                        self._addTerm(
+                            slugifier, cur_entry.item_spec, cur_terms)
+                    else:
+                        self._addTerms(
+                            slugifier, cur_entry.item_spec, cur_terms)
+
+        # Re-bake all taxonomy terms that include new or changed pages, by
+        # marking them as 'dirty'.
+        previous_records = self.record_histories.previous
+        prev_rec = previous_records.getRecord(record_name)
+        history = RecordHistory(prev_rec, cur_rec)
+        history.build()
+        for prev_entry, cur_entry in history.diffs:
+            entries = [cur_entry]
+            if prev_entry:
+                entries.append(prev_entry)
+
+            for e in entries:
+                if e and e.was_any_sub_baked:
+                    entry_terms = e.config.get(taxonomy.setting_name)
+                    if entry_terms:
+                        if not taxonomy.is_multiple:
+                            self._single_dirty_slugified_terms.add(
+                                slugifier.slugify(entry_terms))
+                        else:
+                            self._single_dirty_slugified_terms.update(
+                                (slugifier.slugify(t)
+                                 for t in entry_terms))
+
+        self._all_dirty_slugified_terms = list(
+            self._single_dirty_slugified_terms)
+        logger.debug("Gathered %d dirty taxonomy terms",
+                     len(self._all_dirty_slugified_terms))
+
+        # Re-bake the combination pages for terms that are 'dirty'.
+        # We make all terms into tuple, even those that are not actual
+        # combinations, so that we have less things to test further down the
+        # line.
+        #
+        # Add the combinations to that list. We get those combinations from
+        # wherever combinations were used, so they're coming from the
+        # `onRouteFunctionUsed` method.
+        if taxonomy.is_multiple:
+            known_combinations = set()
+            for cur_entry in cur_rec.getEntries():
+                used_terms = _get_all_entry_taxonomy_terms(cur_entry)
+                for terms in used_terms:
+                    if len(terms) > 1:
+                        known_combinations.add(terms)
+
+            dcc = 0
+            for terms in known_combinations:
+                if not self._single_dirty_slugified_terms.isdisjoint(
+                        set(terms)):
+                    self._all_dirty_slugified_terms.append(
+                        taxonomy.separator.join(terms))
+                    dcc += 1
+            logger.debug("Gathered %d term combinations, with %d dirty." %
+                         (len(known_combinations), dcc))
+
+    def _addTerms(self, slugifier, item_spec, terms):
+        for t in terms:
+            self._addTerm(slugifier, item_spec, t)
+
+    def _addTerm(self, slugifier, item_spec, term):
+        st = slugifier.slugify(term)
+        orig_terms = self._all_terms.setdefault(st, [])
+        if orig_terms and orig_terms[0] != term:
+            logger.warning(
+                "Term '%s' in '%s' is slugified to '%s' which conflicts with "
+                "previously existing '%s'. The two will be merged." %
+                (term, item_spec, st, orig_terms[0]))
+        orig_terms.append(term)
+
+
+def _get_all_entry_taxonomy_terms(entry):
+    res = set()
+    for o in entry.subs:
+        for pinfo in o.render_info:
+            if pinfo:
+                terms = pinfo.getCustomInfo('used_taxonomy_terms')
+                if terms:
+                    res |= set(terms)
+    return res
+
+
+class _Slugifier(object):
+    def __init__(self, taxonomy, mode):
+        self.taxonomy = taxonomy
+        self.mode = mode
+
+    def slugifyMultiple(self, terms):
+        return tuple(map(self.slugify, terms))
+
+    def slugify(self, term):
+        if self.mode & SLUGIFY_TRANSLITERATE:
+            term = unidecode.unidecode(term)
+        if self.mode & SLUGIFY_LOWERCASE:
+            term = term.lower()
+        if self.mode & SLUGIFY_DOT_TO_DASH:
+            term = re_first_dot_to_dash.sub('', term)
+            term = re_dot_to_dash.sub('-', term)
+        if self.mode & SLUGIFY_SPACE_TO_DASH:
+            term = re_space_to_dash.sub('-', term)
+        return term
+
+
+def _parse_slugify_mode(value):
+    mapping = {
+        'encode': SLUGIFY_ENCODE,
+        'transliterate': SLUGIFY_TRANSLITERATE,
+        'lowercase': SLUGIFY_LOWERCASE,
+        'dot_to_dash': SLUGIFY_DOT_TO_DASH,
+        'space_to_dash': SLUGIFY_SPACE_TO_DASH}
+    mode = 0
+    for v in value.split(','):
+        f = mapping.get(v.strip())
+        if f is None:
+            if v == 'iconv':
+                raise Exception("'iconv' is not supported as a slugify mode "
+                                "in PieCrust2. Use 'transliterate'.")
+            raise Exception("Unknown slugify flag: %s" % v)
+        mode |= f
+    return mode
+
--- a/piecrust/templating/jinja/environment.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/templating/jinja/environment.py	Fri Sep 29 17:05:09 2017 -0700
@@ -2,6 +2,7 @@
 import time
 import email.utils
 import hashlib
+import logging
 import strict_rfc3339
 from jinja2 import Environment
 from .extensions import get_highlight_css
@@ -10,18 +11,23 @@
 from piecrust.uriutil import multi_replace
 
 
+logger = logging.getLogger(__name__)
+
+
 class PieCrustEnvironment(Environment):
     def __init__(self, app, *args, **kwargs):
         self.app = app
 
         # Before we create the base Environement, let's figure out the options
         # we want to pass to it.
-        twig_compatibility_mode = app.config.get('jinja/twig_compatibility')
-
+        #
         # Disable auto-reload when we're baking.
         if app.config.get('baker/is_baking'):
             kwargs.setdefault('auto_reload', False)
 
+        # Don't unload templates from the cache.
+        kwargs.setdefault('cache_size', -1)
+
         # Let the user override most Jinja options via the site config.
         for name in ['block_start_string', 'block_end_string',
                      'variable_start_string', 'variable_end_string',
@@ -33,9 +39,15 @@
             if val is not None:
                 kwargs.setdefault(name, val)
 
-        # Twig trims blocks.
-        if twig_compatibility_mode is True:
-            kwargs['trim_blocks'] = True
+        # Undefined behaviour.
+        undef = app.config.get('jinja/undefined')
+        if undef == 'logging':
+            from jinja2 import make_logging_undefined
+            kwargs.setdefault('undefined',
+                              make_logging_undefined(logger))
+        elif undef == 'strict':
+            from jinja2 import StrictUndefined
+            kwargs.setdefault('undefined', StrictUndefined)
 
         # All good! Create the Environment.
         super(PieCrustEnvironment, self).__init__(*args, **kwargs)
@@ -64,18 +76,14 @@
             'emaildate': get_email_date,
             'date': get_date})
 
-        # Backwards compatibility with Twig.
-        if twig_compatibility_mode is True:
-            self.filters['raw'] = self.filters['safe']
-            self.globals['pcfail'] = raise_exception
+        self.filters['raw'] = self.filters['safe']
 
     def _paginate(self, value, items_per_page=5):
-        cpi = self.app.env.exec_info_stack.current_page_info
-        if cpi is None or cpi.page is None or cpi.render_ctx is None:
+        ctx = self.app.env.render_ctx_stack.current_ctx
+        if ctx is None or ctx.page is None:
             raise Exception("Can't paginate when no page has been pushed "
                             "on the execution stack.")
-        return Paginator(cpi.page, value,
-                         page_num=cpi.render_ctx.page_num,
+        return Paginator(value, ctx.page, ctx.sub_num,
                          items_per_page=items_per_page)
 
     def _formatWith(self, value, format_name):
--- a/piecrust/templating/jinja/extensions.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/templating/jinja/extensions.py	Fri Sep 29 17:05:09 2017 -0700
@@ -2,9 +2,6 @@
 from jinja2.lexer import Token, describe_token
 from jinja2.nodes import CallBlock, Const
 from compressinja.html import HtmlCompressor, StreamProcessContext
-from pygments import highlight
-from pygments.formatters import HtmlFormatter
-from pygments.lexers import get_lexer_by_name, guess_lexer
 from piecrust.rendering import format_text
 
 
@@ -18,9 +15,14 @@
         lineno = next(parser.stream).lineno
         args = [parser.parse_expression()]
         body = parser.parse_statements(['name:endpcformat'], drop_needle=True)
-        return CallBlock(self.call_method('_format', args),
+        return CallBlock(self.call_method('_formatTimed', args),
                          [], [], body).set_lineno(lineno)
 
+    def _formatTimed(self, format_name, caller=None):
+        with self.environment.app.env.stats.timerScope(
+                'JinjaTemplateEngine_extensions'):
+            return self._format(format_name, caller)
+
     def _format(self, format_name, caller=None):
         body = caller()
         text = format_text(self.environment.app,
@@ -60,11 +62,22 @@
         body = parser.parse_statements(['name:endhighlight', 'name:endgeshi'],
                                        drop_needle=True)
 
-        return CallBlock(self.call_method('_highlight', args, kwargs),
+        return CallBlock(self.call_method('_highlightTimed', args, kwargs),
                          [], [], body).set_lineno(lineno)
 
+    def _highlightTimed(self, lang, line_numbers=False, use_classes=False,
+                        css_class=None, css_id=None, caller=None):
+        with self.environment.app.env.stats.timerScope(
+                'JinjaTemplateEngine_extensions'):
+            return self._highlight(lang, line_numbers, use_classes,
+                                   css_class, css_id, caller)
+
     def _highlight(self, lang, line_numbers=False, use_classes=False,
                    css_class=None, css_id=None, caller=None):
+        from pygments import highlight
+        from pygments.formatters import HtmlFormatter
+        from pygments.lexers import get_lexer_by_name, guess_lexer
+
         # Try to be mostly compatible with Jinja2-highlight's settings.
         body = caller()
 
@@ -90,6 +103,7 @@
 
 
 def get_highlight_css(style_name='default', class_name='.highlight'):
+    from pygments.formatters import HtmlFormatter
     return HtmlFormatter(style=style_name).get_style_defs(class_name)
 
 
@@ -118,17 +132,21 @@
         body = parser.parse_statements(['name:endpccache', 'name:endcache'],
                                        drop_needle=True)
 
-        # now return a `CallBlock` node that calls our _cache_support
+        # now return a `CallBlock` node that calls our _renderCache
         # helper method on this extension.
-        return CallBlock(self.call_method('_cache_support', args),
+        return CallBlock(self.call_method('_renderCacheTimed', args),
                          [], [], body).set_lineno(lineno)
 
-    def _cache_support(self, name, caller):
+    def _renderCacheTimed(self, name, caller):
+        with self.environment.app.env.stats.timerScope(
+                'JinjaTemplateEngine_extensions'):
+            return self._renderCache(name, caller)
+
+    def _renderCache(self, name, caller):
         key = self.environment.piecrust_cache_prefix + name
 
-        exc_stack = self.environment.app.env.exec_info_stack
-        render_ctx = exc_stack.current_page_info.render_ctx
-        rdr_pass = render_ctx.current_pass_info
+        rcs = self.environment.app.env.render_ctx_stack
+        rdr_pass = rcs.current_ctx.current_pass_info
 
         # try to load the block from the cache
         # if there is no fragment in the cache, render it and store
@@ -138,11 +156,6 @@
             rdr_pass.used_source_names.update(pair[1])
             return pair[0]
 
-        pair = self.environment.piecrust_cache.get(key)
-        if pair is not None:
-            rdr_pass.used_source_names.update(pair[1])
-            return pair[0]
-
         prev_used = rdr_pass.used_source_names.copy()
         rv = caller()
         after_used = rdr_pass.used_source_names.copy()
--- a/piecrust/templating/jinjaengine.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/templating/jinjaengine.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,6 +1,6 @@
 import os.path
 import logging
-from piecrust.environment import AbortedSourceUseError
+from piecrust.sources.base import AbortedSourceUseError
 from piecrust.templating.base import (TemplateEngine, TemplateNotFoundError,
                                       TemplatingError)
 
@@ -9,9 +9,8 @@
 
 
 class JinjaTemplateEngine(TemplateEngine):
-    # Name `twig` is for backwards compatibility with PieCrust 1.x.
-    ENGINE_NAMES = ['jinja', 'jinja2', 'j2', 'twig']
-    EXTENSIONS = ['html', 'jinja', 'jinja2', 'j2', 'twig']
+    ENGINE_NAMES = ['jinja', 'jinja2', 'j2']
+    EXTENSIONS = ['html', 'jinja', 'jinja2', 'j2']
 
     def __init__(self):
         self.env = None
@@ -19,11 +18,11 @@
         self._jinja_not_found = None
 
     def renderSegmentPart(self, path, seg_part, data):
-        self._ensureLoaded()
-
         if not _string_needs_render(seg_part.content):
             return seg_part.content
 
+        self._ensureLoaded()
+
         part_path = _make_segment_part_path(path, seg_part.offset)
         self.env.loader.segment_parts_cache[part_path] = (
             path, seg_part.content)
@@ -49,20 +48,12 @@
 
     def renderFile(self, paths, data):
         self._ensureLoaded()
-        tpl = None
-        logger.debug("Looking for template: %s" % paths)
-        rendered_path = None
-        for p in paths:
-            try:
-                tpl = self.env.get_template(p)
-                rendered_path = p
-                break
-            except self._jinja_syntax_error as tse:
-                raise self._getTemplatingError(tse)
-            except self._jinja_not_found:
-                pass
 
-        if tpl is None:
+        try:
+            tpl = self.env.select_template(paths)
+        except self._jinja_syntax_error as tse:
+            raise self._getTemplatingError(tse)
+        except self._jinja_not_found:
             raise TemplateNotFoundError()
 
         try:
@@ -72,9 +63,11 @@
         except AbortedSourceUseError:
             raise
         except Exception as ex:
+            if self.app.debug:
+                raise
             msg = "Error rendering Jinja markup"
-            rel_path = os.path.relpath(rendered_path, self.app.root_dir)
-            raise TemplatingError(msg, rel_path) from ex
+            name = getattr(tpl, 'name', '<unknown template>')
+            raise TemplatingError(msg, name) from ex
 
     def _getTemplatingError(self, tse, filename=None):
         filename = tse.filename or filename
@@ -84,21 +77,27 @@
         raise err from tse
 
     def _ensureLoaded(self):
-        if self.env:
+        if self.env is not None:
             return
 
+        stats = self.app.env.stats
+        stats.registerTimer('JinjaTemplateEngine_setup',
+                            raise_if_registered=False)
+        stats.registerTimer('JinjaTemplateEngine_extensions',
+                            raise_if_registered=False)
+        with stats.timerScope('JinjaTemplateEngine_setup'):
+            self._load()
+
+    def _load(self):
+        get_config = self.app.config.get
+
         # Get the list of extensions to load.
-        ext_names = self.app.config.get('jinja/extensions', [])
+        ext_names = get_config('jinja/extensions', [])
         if not isinstance(ext_names, list):
             ext_names = [ext_names]
 
         # Turn on autoescape by default.
-        autoescape = self.app.config.get('twig/auto_escape')
-        if autoescape is not None:
-            logger.warning("The `twig/auto_escape` setting is now called "
-                           "`jinja/auto_escape`.")
-        else:
-            autoescape = self.app.config.get('jinja/auto_escape', True)
+        autoescape = get_config('jinja/auto_escape', True)
         if autoescape:
             ext_names.append('autoescape')
 
@@ -149,4 +148,3 @@
 def _make_segment_part_path(path, start):
     return '$part=%s:%d' % (path, start)
 
-
--- a/piecrust/themes/base.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/themes/base.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,7 +1,7 @@
 import sys
 import os.path
 import yaml
-from piecrust import CONFIG_PATH, THEME_DIR, THEMES_DIR
+from piecrust import CONFIG_PATH, THEMES_DIR
 
 
 class Theme(object):
@@ -53,6 +53,6 @@
                 return theme_dir
 
         raise ThemeNotFoundError(
-                "Can't find theme '%s'. Looked in: %s" %
-                (theme, ', '.join(dirs)))
+            "Can't find theme '%s'. Looked in: %s" %
+            (theme, ', '.join(dirs)))
 
--- a/piecrust/uriutil.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/uriutil.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,6 +1,5 @@
 import re
 import os.path
-import string
 import logging
 
 
@@ -57,3 +56,8 @@
 
     return uri, page_num
 
+
+def uri_to_title(slug):
+    slug = re.sub(r'[\-_]', ' ', slug)
+    return slug.title()
+
--- a/piecrust/workerpool.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/workerpool.py	Fri Sep 29 17:05:09 2017 -0700
@@ -2,37 +2,61 @@
 import os
 import sys
 import time
-import zlib
-import queue
+import pickle
 import logging
-import itertools
 import threading
+import traceback
 import multiprocessing
 from piecrust import fastpickle
+from piecrust.environment import ExecutionStats
 
 
 logger = logging.getLogger(__name__)
 
-use_fastqueue = True
+use_fastqueue = False
+use_fastpickle = False
 
 
 class IWorker(object):
+    """ Interface for a pool worker.
+    """
     def initialize(self):
         raise NotImplementedError()
 
     def process(self, job):
         raise NotImplementedError()
 
-    def getReport(self, pool_reports):
+    def getStats(self):
         return None
 
     def shutdown(self):
         pass
 
 
+class WorkerExceptionData:
+    def __init__(self, wid):
+        super().__init__()
+        self.wid = wid
+        t, v, tb = sys.exc_info()
+        self.type = t
+        self.value = '\n'.join(_get_errors(v))
+        self.traceback = ''.join(traceback.format_exception(t, v, tb))
+
+    def __str__(self):
+        return str(self.value)
+
+
+def _get_errors(ex):
+    errors = []
+    while ex is not None:
+        msg = str(ex)
+        errors.append(msg)
+        ex = ex.__cause__
+    return errors
+
+
 TASK_JOB = 0
-TASK_BATCH = 1
-TASK_END = 2
+TASK_END = 1
 
 
 def worker_func(params):
@@ -52,6 +76,12 @@
 
 
 def _real_worker_func(params):
+    wid = params.wid
+
+    stats = ExecutionStats()
+    stats.registerTimer('WorkerInit')
+    init_start_time = time.perf_counter()
+
     # In a context where `multiprocessing` is using the `spawn` forking model,
     # the new process doesn't inherit anything, so we lost all our logging
     # configuration here. Let's set it up again.
@@ -60,7 +90,11 @@
         from piecrust.main import _pre_parse_chef_args
         _pre_parse_chef_args(sys.argv[1:])
 
-    wid = params.wid
+    from piecrust.main import ColoredFormatter
+    root_logger = logging.getLogger()
+    root_logger.handlers[0].setFormatter(ColoredFormatter(
+        ('[W-%d]' % wid) + '[%(name)s] %(message)s'))
+
     logger.debug("Worker %d initializing..." % wid)
 
     # We don't need those.
@@ -78,67 +112,49 @@
         params.outqueue.put(None)
         return
 
-    use_threads = False
-    if use_threads:
-        # Create threads to read/write the jobs and results from/to the
-        # main arbitrator process.
-        local_job_queue = queue.Queue()
-        reader_thread = threading.Thread(
-                target=_job_queue_reader,
-                args=(params.inqueue.get, local_job_queue),
-                name="JobQueueReaderThread")
-        reader_thread.start()
-
-        local_result_queue = queue.Queue()
-        writer_thread = threading.Thread(
-                target=_job_results_writer,
-                args=(local_result_queue, params.outqueue.put),
-                name="JobResultWriterThread")
-        writer_thread.start()
-
-        get = local_job_queue.get
-        put = local_result_queue.put_nowait
-    else:
-        get = params.inqueue.get
-        put = params.outqueue.put
+    stats.stepTimerSince('WorkerInit', init_start_time)
 
     # Start pumping!
     completed = 0
     time_in_get = 0
     time_in_put = 0
+    get = params.inqueue.get
+    put = params.outqueue.put
+
     while True:
         get_start_time = time.perf_counter()
         task = get()
         time_in_get += (time.perf_counter() - get_start_time)
 
         task_type, task_data = task
+
+        # End task... gather stats to send back to the main process.
         if task_type == TASK_END:
             logger.debug("Worker %d got end task, exiting." % wid)
-            wprep = {
-                    'WorkerTaskGet': time_in_get,
-                    'WorkerResultPut': time_in_put}
+            stats.registerTimer('WorkerTaskGet', time=time_in_get)
+            stats.registerTimer('WorkerResultPut', time=time_in_put)
             try:
-                rep = (task_type, True, wid, (wid, w.getReport(wprep)))
+                stats.mergeStats(w.getStats())
+                rep = (task_type, task_data, True, wid, (wid, stats))
             except Exception as e:
-                logger.debug("Error getting report: %s" % e)
-                if params.wrap_exception:
-                    e = multiprocessing.ExceptionWithTraceback(
-                            e, e.__traceback__)
-                rep = (task_type, False, wid, (wid, e))
+                logger.debug(
+                    "Error getting report, sending exception to main process:")
+                logger.debug(traceback.format_exc())
+                we = WorkerExceptionData(wid)
+                rep = (task_type, task_data, False, wid, (wid, we))
             put(rep)
             break
 
-        if task_type == TASK_JOB:
-            task_data = (task_data,)
-
-        for t in task_data:
+        # Job task... just do it.
+        elif task_type == TASK_JOB:
             try:
-                res = (TASK_JOB, True, wid, w.process(t))
+                res = (task_type, task_data, True, wid, w.process(task_data))
             except Exception as e:
-                if params.wrap_exception:
-                    e = multiprocessing.ExceptionWithTraceback(
-                            e, e.__traceback__)
-                res = (TASK_JOB, False, wid, e)
+                logger.debug(
+                    "Error processing job, sending exception to main process:")
+                logger.debug(traceback.format_exc())
+                we = WorkerExceptionData(wid)
+                res = (task_type, task_data, False, wid, we)
 
             put_start_time = time.perf_counter()
             put(res)
@@ -146,62 +162,31 @@
 
             completed += 1
 
-    if use_threads:
-        logger.debug("Worker %d waiting for reader/writer threads." % wid)
-        local_result_queue.put_nowait(None)
-        reader_thread.join()
-        writer_thread.join()
+        else:
+            raise Exception("Unknown task type: %s" % task_type)
 
     w.shutdown()
-
     logger.debug("Worker %d completed %d tasks." % (wid, completed))
 
 
-def _job_queue_reader(getter, out_queue):
-    while True:
-        try:
-            task = getter()
-        except (EOFError, OSError):
-            logger.debug("Worker encountered connection problem.")
-            break
-
-        out_queue.put_nowait(task)
-
-        if task[0] == TASK_END:
-            # Done reading jobs from the main process.
-            logger.debug("Got end task, exiting task queue reader thread.")
-            break
-
-
-def _job_results_writer(in_queue, putter):
-    while True:
-        res = in_queue.get()
-        if res is not None:
-            putter(res)
-            in_queue.task_done()
-        else:
-            # Got sentinel. Exit.
-            in_queue.task_done()
-            break
-    logger.debug("Exiting result queue writer thread.")
-
-
-class _WorkerParams(object):
+class _WorkerParams:
     def __init__(self, wid, inqueue, outqueue, worker_class, initargs=(),
-                 wrap_exception=False, is_profiling=False):
+                 is_profiling=False):
         self.wid = wid
         self.inqueue = inqueue
         self.outqueue = outqueue
         self.worker_class = worker_class
         self.initargs = initargs
-        self.wrap_exception = wrap_exception
         self.is_profiling = is_profiling
 
 
-class WorkerPool(object):
-    def __init__(self, worker_class, initargs=(),
+class WorkerPool:
+    def __init__(self, worker_class, initargs=(), *,
+                 callback=None, error_callback=None,
                  worker_count=None, batch_size=None,
-                 wrap_exception=False):
+                 userdata=None):
+        self.userdata = userdata
+
         worker_count = worker_count or os.cpu_count() or 1
 
         if use_fastqueue:
@@ -212,25 +197,25 @@
         else:
             self._task_queue = multiprocessing.SimpleQueue()
             self._result_queue = multiprocessing.SimpleQueue()
-            self._quick_put = self._task_queue._writer.send
-            self._quick_get = self._result_queue._reader.recv
+            self._quick_put = self._task_queue.put
+            self._quick_get = self._result_queue.get
 
+        self._callback = callback
+        self._error_callback = error_callback
         self._batch_size = batch_size
-        self._callback = None
-        self._error_callback = None
-        self._listener = None
+        self._jobs_left = 0
+        self._event = threading.Event()
 
         main_module = sys.modules['__main__']
         is_profiling = os.path.basename(main_module.__file__) in [
-                'profile.py', 'cProfile.py']
+            'profile.py', 'cProfile.py']
 
         self._pool = []
         for i in range(worker_count):
             worker_params = _WorkerParams(
-                    i, self._task_queue, self._result_queue,
-                    worker_class, initargs,
-                    wrap_exception=wrap_exception,
-                    is_profiling=is_profiling)
+                i, self._task_queue, self._result_queue,
+                worker_class, initargs,
+                is_profiling=is_profiling)
             w = multiprocessing.Process(target=worker_func,
                                         args=(worker_params,))
             w.name = w.name.replace('Process', 'PoolWorker')
@@ -239,66 +224,35 @@
             self._pool.append(w)
 
         self._result_handler = threading.Thread(
-                target=WorkerPool._handleResults,
-                args=(self,))
+            target=WorkerPool._handleResults,
+            args=(self,))
         self._result_handler.daemon = True
         self._result_handler.start()
 
         self._closed = False
 
-    def setHandler(self, callback=None, error_callback=None):
-        self._callback = callback
-        self._error_callback = error_callback
-
-    def queueJobs(self, jobs, handler=None, chunk_size=None):
+    def queueJobs(self, jobs):
         if self._closed:
             raise Exception("This worker pool has been closed.")
-        if self._listener is not None:
-            raise Exception("A previous job queue has not finished yet.")
 
-        if any([not p.is_alive() for p in self._pool]):
-            raise Exception("Some workers have prematurely exited.")
-
-        if handler is not None:
-            self.setHandler(handler)
-
-        if not hasattr(jobs, '__len__'):
-            jobs = list(jobs)
-        job_count = len(jobs)
-
-        res = AsyncResult(self, job_count)
-        if res._count == 0:
-            res._event.set()
-            return res
+        for job in jobs:
+            self._jobs_left += 1
+            self._quick_put((TASK_JOB, job))
 
-        self._listener = res
-
-        if chunk_size is None:
-            chunk_size = self._batch_size
-        if chunk_size is None:
-            chunk_size = max(1, job_count // 50)
-            logger.debug("Using chunk size of %d" % chunk_size)
+        if self._jobs_left > 0:
+            self._event.clear()
 
-        if chunk_size is None or chunk_size == 1:
-            for job in jobs:
-                self._quick_put((TASK_JOB, job))
-        else:
-            it = iter(jobs)
-            while True:
-                batch = tuple([i for i in itertools.islice(it, chunk_size)])
-                if not batch:
-                    break
-                self._quick_put((TASK_BATCH, batch))
-
-        return res
+    def wait(self, timeout=None):
+        return self._event.wait(timeout)
 
     def close(self):
-        if self._listener is not None:
+        if self._jobs_left > 0 or not self._event.is_set():
             raise Exception("A previous job queue has not finished yet.")
 
         logger.debug("Closing worker pool...")
         handler = _ReportHandler(len(self._pool))
         self._callback = handler._handle
+        self._error_callback = handler._handleError
         for w in self._pool:
             self._quick_put((TASK_END, None))
         for w in self._pool:
@@ -308,8 +262,8 @@
         if not handler.wait(2):
             missing = handler.reports.index(None)
             logger.warning(
-                    "Didn't receive all worker reports before timeout. "
-                    "Missing report from worker %d." % missing)
+                "Didn't receive all worker reports before timeout. "
+                "Missing report from worker %d." % missing)
 
         logger.debug("Exiting result handler thread...")
         self._result_queue.put(None)
@@ -318,8 +272,14 @@
 
         return handler.reports
 
+    def _onTaskDone(self):
+        self._jobs_left -= 1
+        if self._jobs_left == 0:
+            self._event.set()
+
     @staticmethod
     def _handleResults(pool):
+        userdata = pool.userdata
         while True:
             try:
                 res = pool._quick_get()
@@ -332,44 +292,26 @@
                 logger.debug("Result handler exiting.")
                 break
 
-            task_type, success, wid, data = res
+            task_type, task_data, success, wid, data = res
             try:
-                if success and pool._callback:
-                    pool._callback(data)
-                elif not success:
+                if success:
+                    if pool._callback:
+                        pool._callback(task_data, data, userdata)
+                else:
                     if pool._error_callback:
-                        pool._error_callback(data)
+                        pool._error_callback(task_data, data, userdata)
                     else:
-                        logger.error("Got error data:")
+                        logger.error(
+                            "Worker %d failed to process a job:" % wid)
                         logger.error(data)
             except Exception as ex:
                 logger.exception(ex)
 
             if task_type == TASK_JOB:
-                pool._listener._onTaskDone()
+                pool._onTaskDone()
 
 
-class AsyncResult(object):
-    def __init__(self, pool, count):
-        self._pool = pool
-        self._count = count
-        self._event = threading.Event()
-
-    def ready(self):
-        return self._event.is_set()
-
-    def wait(self, timeout=None):
-        return self._event.wait(timeout)
-
-    def _onTaskDone(self):
-        self._count -= 1
-        if self._count == 0:
-            self._pool.setHandler(None)
-            self._pool._listener = None
-            self._event.set()
-
-
-class _ReportHandler(object):
+class _ReportHandler:
     def __init__(self, worker_count):
         self.reports = [None] * worker_count
         self._count = worker_count
@@ -379,7 +321,7 @@
     def wait(self, timeout=None):
         return self._event.wait(timeout)
 
-    def _handle(self, res):
+    def _handle(self, job, res, _):
         wid, data = res
         if wid < 0 or wid > self._count:
             logger.error("Ignoring report from unknown worker %d." % wid)
@@ -391,13 +333,12 @@
         if self._received == self._count:
             self._event.set()
 
-    def _handleError(self, res):
-        wid, data = res
-        logger.error("Worker %d failed to send its report." % wid)
-        logger.exception(data)
+    def _handleError(self, job, res, _):
+        logger.error("Worker %d failed to send its report." % res.wid)
+        logger.error(res)
 
 
-class FastQueue(object):
+class FastQueue:
     def __init__(self):
         self._reader, self._writer = multiprocessing.Pipe(duplex=False)
         self._rlock = multiprocessing.Lock()
@@ -429,11 +370,11 @@
                 self._rbuf.write(e.args[0])
 
         self._rbuf.seek(0)
-        return self._unpickle(self._rbuf, bufsize)
+        return _unpickle(self._rbuf, bufsize)
 
     def put(self, obj):
         self._wbuf.seek(0)
-        self._pickle(obj, self._wbuf)
+        _pickle(obj, self._wbuf)
         size = self._wbuf.tell()
 
         self._wbuf.seek(0)
@@ -441,9 +382,27 @@
             with self._wbuf.getbuffer() as b:
                 self._writer.send_bytes(b, 0, size)
 
-    def _pickle(self, obj, buf):
-        fastpickle.pickle_intob(obj, buf)
+
+def _pickle_fast(obj, buf):
+    fastpickle.pickle_intob(obj, buf)
+
+
+def _unpickle_fast(buf, bufsize):
+    return fastpickle.unpickle_fromb(buf, bufsize)
+
+
+def _pickle_default(obj, buf):
+    pickle.dump(obj, buf, pickle.HIGHEST_PROTOCOL)
 
-    def _unpickle(self, buf, bufsize):
-        return fastpickle.unpickle_fromb(buf, bufsize)
+
+def _unpickle_default(buf, bufsize):
+    return pickle.load(buf)
+
 
+if use_fastpickle:
+    _pickle = _pickle_fast
+    _unpickle = _unpickle_fast
+else:
+    _pickle = _pickle_default
+    _unpickle = _unpickle_default
+
--- a/piecrust/wsgiutil/__init__.py	Thu May 11 13:21:41 2017 -0700
+++ b/piecrust/wsgiutil/__init__.py	Fri Sep 29 17:05:09 2017 -0700
@@ -1,9 +1,41 @@
+import logging
 from piecrust.serving.server import WsgiServer
 
 
-def get_app(root_dir, cache_key='prod', enable_debug_info=False):
+def _setup_logging(log_file, log_level, max_log_bytes, log_backup_count):
+    if log_file:
+        from logging.handlers import RotatingFileHandler
+        handler = RotatingFileHandler(log_file, maxBytes=max_log_bytes,
+                                      backupCount=log_backup_count)
+        handler.setLevel(log_level)
+        logging.getLogger().addHandler(handler)
+
+
+def get_app(root_dir, *,
+            cache_key='prod',
+            enable_debug_info=False,
+            log_file=None,
+            log_level=logging.INFO,
+            log_backup_count=0,
+            max_log_bytes=4096):
+    _setup_logging(log_file, log_level, max_log_bytes, log_backup_count)
     app = WsgiServer(root_dir,
                      cache_key=cache_key,
                      enable_debug_info=enable_debug_info)
     return app
 
+
+def get_admin_app(root_dir, *,
+                  url_prefix='pc-admin',
+                  log_file=None,
+                  log_level=logging.INFO,
+                  log_backup_count=0,
+                  max_log_bytes=4096):
+    _setup_logging(log_file, log_level, max_log_bytes, log_backup_count)
+    es = {
+        'FOODTRUCK_ROOT': root_dir,
+        'FOODTRUCK_URL_PREFIX': url_prefix}
+    from piecrust.admin.web import create_foodtruck_app
+    app = create_foodtruck_app(es)
+    return app
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piecrust/wsgiutil/cwdadminapp.py	Fri Sep 29 17:05:09 2017 -0700
@@ -0,0 +1,13 @@
+# This is a utility module that can be used with any WSGI-compatible server
+# like Werkzeug or Gunicorn. It returns a WSGI app for serving a PieCrust
+# administration panel located in the current working directory.
+import os
+from piecrust.wsgiutil import get_admin_app
+
+
+root_dir = os.getcwd()
+app = get_admin_app(root_dir)
+# Add this for `mod_wsgi`.
+application = app
+
+
--- a/requirements.txt	Thu May 11 13:21:41 2017 -0700
+++ b/requirements.txt	Fri Sep 29 17:05:09 2017 -0700
@@ -1,19 +1,31 @@
+appdirs==1.4.3
+asn1crypto==0.22.0
 cffi==1.5.0
 colorama==0.3.3
 compressinja==0.0.2
+cryptography==1.8.1
 Flask==0.10.1
+Flask-IndieAuth==0.0.3.2
 Flask-Login==0.3.2
-Jinja2==2.7.3
+idna==2.5
+itsdangerous==0.24
+Jinja2==2.9.6
 Markdown==2.6.2
-MarkupSafe==0.23
+MarkupSafe==1.0
+packaging==16.8
 paramiko==2.0.0
+py==1.4.33
+pyasn1==0.2.3
+pycparser==2.17
 Pygments==2.0.2
+pyparsing==2.2.0
 pystache==0.5.4
 python-dateutil==2.4.2
 PyYAML==3.11
 repoze.lru==0.6
+six==1.10.0
 smartypants==1.8.6
 strict-rfc3339==0.5
 textile==2.2.2
 Unidecode==0.4.18
-Werkzeug==0.10.4
+Werkzeug==0.12.2
--- a/setup.py	Thu May 11 13:21:41 2017 -0700
+++ b/setup.py	Fri Sep 29 17:05:09 2017 -0700
@@ -42,7 +42,7 @@
 class GenerateVersionCommand(Command):
     description = 'generates a version file'
     user_options = [
-            ('force=', 'f', 'force a specific version number')]
+        ('force=', 'f', 'force a specific version number')]
 
     def initialize_options(self):
         self.force = None
@@ -146,8 +146,8 @@
     version = APP_VERSION
 except ImportError:
     print(
-            "WARNING: Can't get version from version file. "
-            "Will use version `0.0`.")
+        "WARNING: Can't get version from version file. "
+        "Will use version `0.0`.")
     version = '0.0'
 
 
@@ -156,47 +156,47 @@
 
 
 setup(
-        name="PieCrust",
-        version=version,
-        description="A powerful static website generator and lightweight CMS.",
-        long_description=read('README.rst') + '\n\n' + read('CHANGELOG.rst'),
-        author="Ludovic Chabant",
-        author_email="ludovic@chabant.com",
-        license="Apache License 2.0",
-        url="http://bolt80.com/piecrust",
-        keywords=' '.join([
-            'python',
-            'website',
-            'generator',
-            'blog',
-            'portfolio',
-            'gallery',
-            'cms'
-            ]),
-        packages=find_packages(exclude=['garcon', 'tests']),
-        include_package_data=True,
-        zip_safe=False,
-        install_requires=install_requires,
-        tests_require=tests_require,
-        cmdclass={
-            'test': PyTest,
-            'version': GenerateVersionCommand
-            },
-        classifiers=[
-            'Development Status :: 4 - Beta',
-            'License :: OSI Approved :: Apache Software License',
-            'Environment :: Console',
-            'Intended Audience :: Developers',
-            'Intended Audience :: System Administrators',
-            'Natural Language :: English',
-            'Operating System :: MacOS :: MacOS X',
-            'Operating System :: POSIX :: Linux',
-            'Operating System :: Microsoft :: Windows',
-            'Programming Language :: Python :: 3 :: Only',
-            'Topic :: Internet :: WWW/HTTP :: Site Management'
-            ],
-        entry_points={'console_scripts': [
-            'chef = piecrust.main:main'
-            ]}
-        )
+    name="PieCrust",
+    version=version,
+    description="A powerful static website generator and lightweight CMS.",
+    long_description=read('README.rst') + '\n\n' + read('CHANGELOG.rst'),
+    author="Ludovic Chabant",
+    author_email="ludovic@chabant.com",
+    license="Apache License 2.0",
+    url="http://bolt80.com/piecrust",
+    keywords=' '.join([
+        'python',
+        'website',
+        'generator',
+        'blog',
+        'portfolio',
+        'gallery',
+        'cms'
+    ]),
+    packages=find_packages(exclude=['garcon', 'tests']),
+    include_package_data=True,
+    zip_safe=False,
+    install_requires=install_requires,
+    tests_require=tests_require,
+    cmdclass={
+        'test': PyTest,
+        'version': GenerateVersionCommand
+    },
+    classifiers=[
+        'Development Status :: 4 - Beta',
+        'License :: OSI Approved :: Apache Software License',
+        'Environment :: Console',
+        'Intended Audience :: Developers',
+        'Intended Audience :: System Administrators',
+        'Natural Language :: English',
+        'Operating System :: MacOS :: MacOS X',
+        'Operating System :: POSIX :: Linux',
+        'Operating System :: Microsoft :: Windows',
+        'Programming Language :: Python :: 3 :: Only',
+        'Topic :: Internet :: WWW/HTTP :: Site Management'
+    ],
+    entry_points={'console_scripts': [
+        'chef = piecrust.main:main'
+    ]}
+)