id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
11597	[IE11] Error thrown when trying to open preview using keyboard	Piotrek Koszuliński	Marek Lewandowski	"1. open any sample with CKEditor (i.e. samples/replacebyclass.html)
1. focus editor
1. press alt+f10 to focus toolbar
1. navigate to preview button
1. press button using space

Related issue: #11408.

Our goal is to avoid exception. Popup blocker thing is another issue."	Bug	closed	Normal	CKEditor 4.3.4	General	4.3.2	fixed