Proximity search - node with tag1 near node with tag2
Is there a way to search for a node situated within a given distance from at least one other node with a given tag?
Applications:
* find benches near a body of water
water (seriously)
* [brothel](http://wiki.openstreetmap.org/wiki/Tag:amenity%3Dbrothel) near [police](http://wiki.openstreetmap.org/wiki/Tag:amenity%3Dpolice)
[police](http://wiki.openstreetmap.org/wiki/Tag:amenity%3Dpolice) (for fun)
* [swingerclub](http://wiki.openstreetmap.org/wiki/Tag:amenity%3Dswingerclub) near [place\_of\_worship](http://wiki.openstreetmap.org/wiki/Tag:amenity%3Dplace_of_worship)[place\_of\_worship](http://wiki.openstreetmap.org/wiki/Tag:amenity%3Dplace_of_worship)
* [stripclub](http://wiki.openstreetmap.org/wiki/Tag:amenity%3Dstripclub) near [kindergarten](http://wiki.openstreetmap.org/wiki/Tag:amenity%3Dkindergarten)