From 1c4bbd6a49870a3a2402b661db38f752fc3597ea Mon Sep 17 00:00:00 2001
From: Keegan McAllister <keegan@humbughq.com>
Date: Mon, 22 Oct 2012 17:24:12 -0400
Subject: [PATCH] bugdown: Start a URL with a word boundary, not a space

This fixes the bug where we were eating the preceding space.

(imported from commit 9eca01e6ad828ccc31ad10693339f381333e76a7)
---
 zephyr/lib/bugdown/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zephyr/lib/bugdown/__init__.py b/zephyr/lib/bugdown/__init__.py
index 9316652e09..9057baa906 100644
--- a/zephyr/lib/bugdown/__init__.py
+++ b/zephyr/lib/bugdown/__init__.py
@@ -33,7 +33,7 @@ class Bugdown(markdown.Extension):
         md.inlinePatterns.add('gravatar', Gravatar(r'!gravatar\((?P<email>[^)]*)\)'), '_begin')
 
         # A link starts after whitespace and continues to the next whitespace.
-        link_regex = r'(\s|\A)(?P<url>https?://[^\s]+)'
+        link_regex = r'\b(?P<url>https?://[^\s]+)'
         md.inlinePatterns.add('autolink', AutoLink(link_regex), '_begin')
 
 # We need to re-initialize the markdown engine every 30 messages