id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
11011	Method applyStyle removes attributes from nested elements.	Jakub Ś	Piotr Jasiun	"1. Please put attached file in samples folder (code for v3 is commented)
2. Select 'some' and apply term style with button
3. Select 'is some sample' and apply quote style with button
4. Switch to source
Result: data-element=""term"" is removed
{{{
<span class=""quote"" data-element=""quote"">is <span class=""term"">some </span>sample</span>
}}}

Problem can be reproduced in every browser from CKEditor 3.0 in both CKE 3.x and 4.x
"	Bug	closed	Must have (possibly next milestone)	CKEditor 4.3.1	General	3.0	fixed	Support