From c7bbec6b20387ece6cd69e2a87bc49c1ebafa488 Mon Sep 17 00:00:00 2001
From: David Chambers <David.Chambers.05@gmail.com>
Date: Sun, 5 Jun 2011 21:38:32 -0700
Subject: Added "." to the characters that may be included in implicit heading
 ids.

---
 markdown/extensions/headerid.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/markdown/extensions/headerid.py b/markdown/extensions/headerid.py
index 2332abe..9c36a2b 100644
--- a/markdown/extensions/headerid.py
+++ b/markdown/extensions/headerid.py
@@ -73,7 +73,7 @@ import logging
 
 logger = logging.getLogger('MARKDOWN')
 
-ID_CHARS = ascii_lowercase + digits + '-_'
+ID_CHARS = ascii_lowercase + digits + '-_.'
 IDCOUNT_RE = re.compile(r'^(.*)_([0-9]+)$')
 
 
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