# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1464666276 25200
# Node ID 71309814e88f16c2018c43b28635096b039de2da
# Parent  dab26ab3d533fae7676050a6ccffc7962b6d6aea
bug: Also look for format changes when determining if a page needs parsing.

diff -r dab26ab3d533 -r 71309814e88f piecrust/page.py
--- a/piecrust/page.py	Sat Apr 16 23:12:06 2016 -0700
+++ b/piecrust/page.py	Mon May 30 20:44:36 2016 -0700
@@ -307,6 +307,10 @@
     txtlen = len(txt)
     index = txt.find('-', offset)
     while index >= 0 and index < txtlen - 8:
+        # Look for a potential `<--format-->`
+        if index > 0 and txt[index - 1] == '<' and txt[index + 1] == '-':
+            return True
+        # Look for a potential `---segment---`
         if txt[index + 1] == '-' and txt[index + 2] == '-':
             return True
         index = txt.find('-', index + 1)