Backspace in Source mode raises javascript error under IE8

[rmacfadyen]

1. Switch to Source mode
2. Enter some text
3. Press the backspace key

The following error occurs: Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; MS-RTC LM 8) Timestamp: Mon, 23 Nov 2009 20:38:02 UTC

Message: 'r.getSelection()' is null or not an object Line: 71 Char: 2262 Code: 0 URI: ​http://ckeditor.com/apps/ckeditor/3.0.1/ckeditor.js?1258978512

Note: this was reproduced using ​http://ckeditor.com/demo, the Custom Toolbar sample.

[Frederico Caldeira Knabben]

Milestone CKEditor 3.x deleted

[Garry Yao]

Expired on trunk.