From 37a1deb79910fed0dd04a7faeb4682afa0949e09 Mon Sep 17 00:00:00 2001
From: umherirrender <umherirrender_de.wp@web.de>
Date: Sun, 5 Jan 2014 17:49:54 +0100
Subject: [PATCH] document.selection is undefined in IE11

IE11 replaced document.selection by window.getSelection, which breaks
dialogs in WikiEditor, because document.selection.createRange was
accessed without check. Inserting this check unbreaks the dialogs.

Bug: 57489
Change-Id: I70d49fb43bbf7602f43e9a8086ecd32027cb6d6f
---
 modules/jquery.wikiEditor.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/modules/jquery.wikiEditor.js b/modules/jquery.wikiEditor.js
index 460203ff..bfcc73d5 100644
--- a/modules/jquery.wikiEditor.js
+++ b/modules/jquery.wikiEditor.js
@@ -249,7 +249,7 @@ if ( !context || typeof context === 'undefined' ) {
 		'oldDelayedHTML': null,
 		// The previous selection of the iframe, stored to detect whether the selection has changed
 		'oldDelayedSel': null,
-		// Saved selection state for IE
+		// Saved selection state for old IE (<=10)
 		'savedSelection': null,
 		// Stack of states in { html: [string] } form
 		'history': [],
@@ -459,17 +459,17 @@ if ( !context || typeof context === 'undefined' ) {
 		},
 
 		/**
-		 * Save text selection for IE
+		 * Save text selection for old IE (<=10)
 		 */
 		saveSelection: function () {
-			if ( $.client.profile().name === 'msie' ) {
+			if ( $.client.profile().name === 'msie' && document.selection && document.selection.createRange ) {
 				context.$textarea.focus();
 				context.savedSelection = document.selection.createRange();
 			}
 		},
 
 		/**
-		 * Restore text selection for IE
+		 * Restore text selection for old IE (<=10)
 		 */
 		restoreSelection: function () {
 			if ( $.client.profile().name === 'msie' && context.savedSelection !== null ) {