From c97de2c449d0ccfced56d66bb668e559cbd68a58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9gis=20Hanol?= <regis@hanol.fr>
Date: Wed, 14 May 2014 12:14:33 +0200
Subject: [PATCH] BUGFIX: markdown sanitize on null/undefined text

---
 app/assets/javascripts/discourse/lib/markdown.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/assets/javascripts/discourse/lib/markdown.js b/app/assets/javascripts/discourse/lib/markdown.js
index 7d408619517..e3a629314ca 100644
--- a/app/assets/javascripts/discourse/lib/markdown.js
+++ b/app/assets/javascripts/discourse/lib/markdown.js
@@ -160,7 +160,7 @@ Discourse.Markdown = {
     @return {String} text The sanitized text
   **/
   sanitize: function(text) {
-    if (!window.html_sanitize) return "";
+    if (!window.html_sanitize || !text) return "";
     text = text.replace(/<([^A-Za-z\/]|$)/g, "&lt;$1");
     return window.html_sanitize(text, Discourse.Markdown.urlAllowed, Discourse.Markdown.nameIdClassAllowed);
   },