id summary reporter owner description type status priority milestone component version resolution keywords cc 11574 Contenteditable megabug with nested ul/li structure Aleksey Piotrek Koszuliński "1). Create simple html-document with the following simple structure: 2). Open page in latest version of Firefox/Google Chrome (not tested others). 3). Click on ""Sub-section 1.1"" or ""Sub-section 1.2"" node. CKEditor will be loaded for the appropriate field. 4). Put the caret to the start of the edited node. 5). Press ""Backspace"" hotkey and you'll see that DOM-model is broken very hard:(((." Bug closed Normal CKEditor 4.3.4 Core : Editable fixed