[Tagging] Refining heritage tag

[António Madeira]

This is the main reason why I came up with this refinement.
For example, if I search for "ref:" at taginfo, there are *millions* of
results. I believe this has implications in data management, although
I'm by no means an expert on that matter.


Às 20:57 de 20/04/2020, Paul Allen escreveu:
> As it stands, there is a possibility for namespace collision. That is
> theoretically
> a problem.  An object might have two references, but we've made heritage
> references take the form ref:xxx=* so if the other ref is of the form
> ref=*
> there won't be a collision.  But it's also possible that both schemes want
> to use ref:xxx.  So adding heritage to the ref key fixes that remote
> possibility.
>
> As it stands, overpass queries would not be able to distinguish the
> right ref
> if an object has a heritage ref:xxx=yyy and a non-heritage ref:aaa=bbb.  A
> remote possibility.  Adding heritage to the ref key fixes it.
>
>

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