# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1519775030 28800
# Node ID af57fbe9435a451d810eab12e71f06666f05a96e
# Parent  1dcebff866f16d609e110c41d59c24a5bb56e30b
formatter: Fix the regex used to find page segments.

It was incorrectly matching a Markdown horizontal rule followed by a title if
the title had exactly 3 dashes underneath it.

diff -r 1dcebff866f1 -r af57fbe9435a piecrust/page.py
--- a/piecrust/page.py	Sun Feb 25 23:19:38 2018 -0800
+++ b/piecrust/page.py	Tue Feb 27 15:43:50 2018 -0800
@@ -301,8 +301,7 @@
 
 
 segment_pattern = re.compile(
-    r"""^\-\-\-\s*(?P<name>\w+)(\:(?P<fmt>\w+))?\s*\-\-\-\s*$""",
-    re.M)
+    r"^\-\-\-[ \t]*(?P<name>\w+)(\:(?P<fmt>\w+))?[ \t]*\-\-\-[ \t]*$", re.M)
 
 
 def _count_lines(txt, start=0, end=-1):