id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
680	Make readonly files visually distinct via different background	adamk	alias, adamk	"In all kinds of editors, I get caught by trying to do things to a readonly file I'm not allowed to touch.

To help make this readonly limitation immediately and intuitively obvious, use a different background colour for the editor window when the file is readonly.

For the white-background styles, I recommend a light grey.

"	enhancement	assigned	major		editor	0.47		usability