On Thu, Nov 03, 2022 at 11:56:45AM +0000, Anne-Karoline Distel wrote:
> Hello all,
> 
> Martin is too busy the next couple of days, so with his permission I
> have opened the voting booths for the key historic to be approved. The
> minimum 2 weeks passed a couple of days ago, and the discussion has died
> down, so hopefully everyone is ready to vote.
> 
> https://wiki.openstreetmap.org/wiki/Proposed_features/Historic

I'm not quite sure if that has been discussed yet with three places for
discussion to chose from, but the proposal has a rather big flaw in my
eyes:

historic=* is one of these keys that is used as a primary key to define
the object but also frequently seen as a property for other objects to
mark them as historic. In contrast to other keys, there doesn't even
seem to be any clear distinction for single values if they are meant to be
used as a property or a main tag.

Random example: historic=manor. About 77% of objects tagged with
historic=manor have a building=* tag, which makes perfect sense. A manor
is a building after all. So it looks like historic=manor is more of a
property tag to a building. But what about the 23% other manors that are
not tagged as building? Is a historic=manor without a builing=* tag
meant to be used as a primary key?

I would expect that an apporved wiki page to historic=* mentions this
problem and gives some guidance to mappers and data users how to handle
this situation.

Sarah

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