From c2e2cd40a4042e2d2bb5a859e7409366678002f4 Mon Sep 17 00:00:00 2001
From: Rocky Duan <dementrock@gmail.com>
Date: Mon, 6 Aug 2012 22:21:10 -0400
Subject: [PATCH] fixed display mode single character bug

---
 lms/static/coffee/src/discussion/utils.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lms/static/coffee/src/discussion/utils.coffee b/lms/static/coffee/src/discussion/utils.coffee
index e4515b941b..657c7c12e5 100644
--- a/lms/static/coffee/src/discussion/utils.coffee
+++ b/lms/static/coffee/src/discussion/utils.coffee
@@ -182,7 +182,7 @@ wmdEditors = {}
   
     codeArchive = []
 
-    RE_DISPLAYMATH = /^([^\$]*?)\$\$([^\$].+?)\$\$(.*)$/m
+    RE_DISPLAYMATH = /^([^\$]*?)\$\$([^\$]+?)\$\$(.*)$/m
     RE_INLINEMATH = /^([^\$]*?)\$([^\$]+?)\$(.*)$/m
 
     ESCAPED_DOLLAR = '@@ESCAPED_D@@'