[Tagging] SF Muni tram lines are layer=1?

[Martin Koppenhoefer]

2012/12/17 Paul Johnson <baloo at ursamundi.org>:
> Well, I say this because I've yet to come across any renderer that doesn't
> automatically assume layer=-1 for tunnel or layer=1 for bridge when it's
> omitted.


I am refering to this proposal, which was rejected:
http://wiki.openstreetmap.org/wiki/Proposed_features/default_layer_for_bridge_and_tunnel
have a read in the voting section, why people didn't like this idea.

cheers,
Martin