id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
14532	"check for invalid ""layer"" tagging on tunnel=* and bridge=*"	mdk	team	"I found several wrong taggings for tunnel=* and bridge=*. For example I found lots of tunnel=* without layer=-1, but instead with ele=-1, level=-1 or width=-1. Theoretically also -2, -3 and so on, but I only saw -1. The same with bridge=*, but positive numbers. Sometimes the are also fixes by adding the missing layer=* tag, but leaving the other ones. In my opinion negative width values are always a failure. Only positive width values on highway=* and waterway=* could be valid.

It would be nice, if the validator would warn about ways with
- waterway=*, tunnel=* level=-1
- waterway=*, tunnel=* ele=-1
- waterway=*, tunnel=* width=-1
- highway=*, bridge=* level=1
- highway=*, bridge=* ele=1
and offer correction to layer=*"	enhancement	new	normal		Core validator	latest			naoliv