I think Frederik describes the problem very well here:
http://osm.gryph.de/2012/02/freedom-to-tag and I really like the Tag
Central idea, but as usual it requires that somebody with the right skills
and available time falls in love with the idea. It is probably too late
now, but it might have been
The easiest way to find out is to ask him ;)
Looking at his other recent edits, it looks like he is systematically going
through and fixing the issues in OSM Inspectors Multipolygon view:
http://goo.gl/aWpXQ - It still shows the error as i write this, but the
view might have been updated with his
