Ticket #8429: 8429.patch

_source/plugins/wysiwygarea/plugin.js

@@ -803 +803 @@
                                                         domDocument.on( 'selectionchange', function()
                                                         {
                                                                 var body = domDocument.getBody(),
-                                                                        range = editor.getSelection().getRanges()[ 0 ];
+                                                                        sel = editor.getSelection(),
+                                                                        range = sel && sel.getRanges()[ 0 ];
 
                                                                 if ( body.getHtml().match( /^<p>&nbsp;<\/p>$/i )
-                                                                        && range.startContainer.equals( body ) )
+                                                                        && range && range.startContainer.equals( body ) )
                                                                 {
                                                                         // Avoid the ambiguity from a real user cursor position.
                                                                         setTimeout( function ()