[Tagging] Are addresses features or attributes?

[Tobias]

> This argument recalls the discussions about the "is_in" tag... The POI
> within a building polygon containing the address is just the next
> refinement after the street way within the municipality polygon. All
> common GIS software are able to do it.

I agree. But it is really unsatisfactory that even nominatim does not
support such a feature. Does this mean we gonna have to put the address
information on the POI-node twice?

cracklinrain