id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
13214	"Add an empty data layer when user clicks disabled ""mode"" button"	openstreetmap.org-user-d1g	team	"If user click mode buttons (on the left), he should be asked with promt

""In order to use modes, you need at least one data layer. Would you like to <s>add one</s> download OSM data for that region now?"" yes/no

In code:
* there 0 data layers OR
* there data layers and all of them are invisible"	enhancement	closed	normal		Core		wontfix