[Tagging] Combining gas stations & convenience stores

[Markus Lindholm]

On 5 December 2014 at 17:51, Jack Burke <burkejf3 at gmail.com> wrote:
> Lately I've been playing with using a multipolygon as a way to handle the
> too-many-address-entries problem.  Join the building=roof and
> building=retail into a multipolygon, then apply the address data to that.
> (I do have to do this before applying the other tags to the
> areas-that-make-up-the-building bits, but that's easy.)

Please have a look at
http://wiki.openstreetmap.org/wiki/Relations/Proposed/Provides_feature

I think it addresses exactly your problem.

Regards
Markus