# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1518748608 28800
# Node ID 2b2872bcff1f63a684b289e4ef00420f33aed397
# Parent  1ab49e6add4fd5cbf02ee12890f17dc90352a304
docs: Add information about common file-system sources' configurations.

diff -r 1ab49e6add4f -r 2b2872bcff1f docs/docs/99_reference/03_sources.md
--- a/docs/docs/99_reference/03_sources.md	Thu Feb 15 18:36:08 2018 -0800
+++ b/docs/docs/99_reference/03_sources.md	Thu Feb 15 18:36:48 2018 -0800
@@ -5,6 +5,17 @@
 
 Here are the page sources that come with PieCrust by default.
 
+> Note that all file-based sources support this common set of configuration
+> settings:
+> 
+> * `ignore`: a list of patterns that specifies files to be ignored (similar to
+>   a "_black list_").
+> * `filter`: a list of patterns that specifies files to be exclusively included
+>   (similar to a "_white list_").
+> 
+> Patterns are glob patterns by default, but if they start and end with `/`,
+> they are treated as regular expressions.
+
 
 ## Default source