From d16b4487d5061174d7e9c45d7bac9883b03b7d15 Mon Sep 17 00:00:00 2001
From: Robin Ward <robin.ward@gmail.com>
Date: Fri, 10 Jan 2014 13:04:15 -0500
Subject: [PATCH] Applied markdown-js fixes from upstream

---
 vendor/assets/javascripts/better_markdown.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/vendor/assets/javascripts/better_markdown.js b/vendor/assets/javascripts/better_markdown.js
index 38e3ef7820b..7c0e7523f98 100644
--- a/vendor/assets/javascripts/better_markdown.js
+++ b/vendor/assets/javascripts/better_markdown.js
@@ -1211,6 +1211,9 @@
 
       "![": function image( text ) {
 
+        // Without this guard V8 crashes hard on the RegExp
+        if (text.indexOf('(') >= 0 && text.indexOf(')') === -1) { return; }
+
         // Unlike images, alt text is plain text only. no other elements are
         // allowed in there