id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
12556	detect the same way forming a loop by being twice in a multipolygon	aceman	team	"If a way is a member twice in the same multipolygon and the two occurrences are connected (their index in the relation is n and n+1), JOSM displays the relation fine, with a closed loop in the relation editor. There is also no warning about this. So while this ""area"" is closed, it is probably useless for a multipolygon.

You can observe this case in the history of way 188885975 ."	enhancement	closed	normal	16.12	Core validator	latest	fixed	multipolygon