id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
21026	Better check for negative numeric values like width, height, ...	mdk	team	"==== What steps will reproduce the problem?
* add width=-3 to a waterway=stream
OR
* add height=-4 to a building=yes

Validate.

==== What is the expected result?
A warning that negative values are not allowed.

==== What happens instead?
An unspecific warning: 
{{{unusual value of width: meters is default: point is decimal separator: if units, put space than unit}}}

==== Please provide any additional information below. Attach a screenshot if possible.
In general numeric tags which didn't support negative values should be checked for negative values.

Follow up of #14532"	enhancement	closed	normal	21.06	Core validator	latest	fixed