did you consider mapping building parts? If you drew polygons for the single shops it would be clear how wide they are. We could invent a tag for building-parts (btw.: is there any in use?), but you could also avoid this and tag the single polygons only as shops with no building attribute.
cheers, Martin _______________________________________________ Tagging mailing list [email protected] http://lists.openstreetmap.org/listinfo/tagging
