[OSM-newbies] Market vs supermarket

[Mike N.]

> I would not expect amenity=marketplace having an additional tag
> opening_hours=We 09-12 (unless it is really not accessible during the
> rest of the week), but I would welcome it with amenity=market.

   As I picture marketplace, those opening hours would describe a location 
where vendors set up temporary booths on Wed. from 09-12.  Possibly the area 
is fully accessible all the time but there is no 'marketplace' activity.