improving detection of indoor-maps

[pointhi]

The detection of indoor-maps is currently very worse. Searching for ways with the tags level"="0" and "building"="yes" isn't a good solution. Because of that, many indoor-maps are not found by this great webiste. Also, I have no idea, why level=0 must be tagged with building=yes.

As Example:

I have identified 4! buildings with indoor maps on this small area, but only 1. building was found.

http://www.openstreetmap.org/?mlat=49.41818&mlon=8.67548#map=17/49.41818/8.67547&layers=N

http://osmtools.org/indoor/#lat=49.41829&lon=8.67509&z=17

searching an relation with type=building and probably building=yes would be better (find 2. buildings), but is also upgradeable.

searching for buildingpart=* or simmilar ist the best, because it find all buildings with indoor informations.

thanks