From d7b1244d452f7051af991ceff45ef0e7c006e037 Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Mon, 6 Apr 2015 02:00:41 +0200
Subject: [PATCH] Fixed potential infinite loop

---
 .../install/files/js/3rdParty/redactor/plugins/wutil.js    | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/wcfsetup/install/files/js/3rdParty/redactor/plugins/wutil.js b/wcfsetup/install/files/js/3rdParty/redactor/plugins/wutil.js
index 302b302d19..10e76ca683 100644
--- a/wcfsetup/install/files/js/3rdParty/redactor/plugins/wutil.js
+++ b/wcfsetup/install/files/js/3rdParty/redactor/plugins/wutil.js
@@ -837,13 +837,12 @@ RedactorPlugins.wutil = function() {
 		 * @return	boolean
 		 */
 		isNodeWithin: function(node, element) {
-			var $node = $(node);
-			while ($node[0] !== this.$editor[0]) {
-				if ($node[0] === element) {
+			while (node && node !== this.$editor[0]) {
+				if (node === element) {
 					return true;
 				}
 				
-				$node = $node.parent();
+				node = node.parentNode;
 			}
 			
 			return false;
-- 
2.20.1