[Tagging] Map for surface/smoothness?

[Martin Vonwald (Imagic)]

Am 11.09.2012 um 16:10 schrieb Georg Feddern <osm at bavarianmallet.de>:

> http://roads.osm4people.org/?zoom=7&lat=49.60305&lon=10.72137&layers=FFFFB0FFFFTFF

Thanks! This covers surface, but smoothness isn't supported as far as I can see.