[Tagging] 2 meaning for crossing=zebra

[marc marc]

Le 26. 10. 18 à 09:41, Martin Koppenhoefer a écrit :
> traffic light controlled crossings also have zebra markings.

so a crossing with a zebra ground marking (as a armchair mapper may 
create) must not be mapped with crossing=zebra :)
It's the need to move ground marking out of the crossing=* key
to get back one key for traffic light and another key for ground marking