[OSM-dev] Tag-key with "?" in planet but not in API

Martin Lesser ml-osm-dev at bettercom.de
Wed Sep 16 10:47:31 BST 2009

Jon Burgess <jburgess777 at googlemail.com> writes:

> On Tue, 2009-09-15 at 20:48 +0200, Martin Lesser wrote:
>> So the question remains what the reason for this transformation is and
>> whether this is intentional.
> I suspect the answer can be found at [1] where the planet dump utility
> will convert any ASCII characters less than 32 in a key or value to a
> '?'.

Thanks for this pointer - it explains also a part of the 19.865
different tag-keys found in the last planet.

If anyone has a need for the list with these 20k different keys (without
case mangling, stripping or anything else done) and the number how often
they appeared in the last planet:


(This is not a replacement for tagwatch, the main purpose of this list
was for internal stats).


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