id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
11149	[IE QM] Error thrown when undoing	Piotrek Koszuliński	Olek Nowodziński	"1. Write something.
2. Undo.
3. Error is thrown because there's no `querySelectorAll` support in IE QM."	Bug	closed	Normal	CKEditor 4.3	General	4.3	fixed