From 6a65710e9d4737d88d8d88cee998778dfa7b327c Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Fri, 6 Feb 2015 15:42:09 +0100
Subject: [PATCH] Fixed selecting text when mouseup occurs outside body element

---
 wcfsetup/install/files/js/WCF.Message.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wcfsetup/install/files/js/WCF.Message.js b/wcfsetup/install/files/js/WCF.Message.js
index 3a6f796c96..7f6dc42720 100644
--- a/wcfsetup/install/files/js/WCF.Message.js
+++ b/wcfsetup/install/files/js/WCF.Message.js
@@ -2077,7 +2077,7 @@ WCF.Message.Quote.Handler = Class.extend({
 		// check if mouseup occured within a <blockquote>
 		var $element = event.target;
 		while ($element !== $container[0]) {
-			if ($element.tagName === 'BLOCKQUOTE') {
+			if ($element === null || $element.tagName === 'BLOCKQUOTE') {
 				this._copyQuote.hide();
 				
 				return;
-- 
2.20.1