[Tagging] start_date variants

[Sergio Manzi]

Actually building:buildyear is of much more widespread use than building:start_date:

  * https://taginfo.openstreetmap.org/keys/?key=building%3Abuildyear -> 2051 objects
  * https://taginfo.openstreetmap.org/keys/?key=building%3Astart_date -> 163 objects

that's a 12.6:1 proportion...

The key is documented in the IndoorOSM proposal [1] and in a wiki page of which I fail to understand the meaning [2].

Sergio


[1] https://wiki.openstreetmap.org/wiki/Proposed_features/IndoorOSM

[2] https://wiki.openstreetmap.org/wiki/Item:Q2952


On 2019-02-16 10:39, Anton Klim wrote:
> I believe there was an (failed? Undocumented?) attempt to make building:buildyear a thing, but haven’t seen it used for a while. 
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