[Tagging] landuse=grass => natural=grass

[Martin Koppenhoefer]

> Il giorno 18/set/2014, alle ore 07:57, Friedrich Volkmann <bsd at volki.at> ha scritto:
> 
> Say, how does landcover=grass differ
> from surface=grass?


I agree that in this case it doesn't make a difference, besides that surface is typically used as an attribute for highways and not as a feature on its own. 
surface = trees isn't that nice as a tag though, while landcover fits well


cheers,
Martin