[Tagging] 'Unknown' value.

OSMDoudou 19b350d2-b1b3-4edb-ad96-288ea1238eee at gmx.com
Mon Feb 5 16:46:55 UTC 2018

I'd rather use fixme and note tags instead of encoding uncodified information in well-established tags.

The wiki page [1] explains a bit the difference: "The fixme key allows contributors to mark objects and places that need further attention. These can be in the form of a "note to self" or request for additional mapping resources. Its distinction from note=* is that fixme is only to express that the mapper thinks there is an error, while note might be information to other mappers."

If it's reasonable to think tagging can be improved (e.g. initial tagging was a bit rushed and better tagging is expected based on site survey or imagery), than a fixme note looks suitable.

In the case you describe ("nothing suggesting that further survey will reveal what the legal situation is"), a note looks suitable to document there was a site survey and explain why "it was obvious that it was not obvious" (that is to say: explaining the elements causing your perplexity conveys much richer information than tagging "unknown").

And you could also start a discussion on the mailing list and link to it from the note, so other mappers are aware of the discussion and can contribute.

[1] https://wiki.openstreetmap.org/wiki/Key:fixme 

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