[Tagging] Keys to which new values can be added without a proposal: craft=, shop=, building=, office=, sport=?

Warin 61sundowner at gmail.com
Mon Aug 19 11:34:14 UTC 2019

On 19/08/19 21:14, ael wrote:
> On Mon, Aug 19, 2019 at 05:21:22PM +0900, Joseph Eisenberg wrote:
>> Interesting!
>> I remembered a problem with "trade=*" - it's already been used almost
>> 5000 times to specify the type of trade goods sold at a shop=trade -
>> see https://taginfo.openstreetmap.org/keys/trade and
>> https://wiki.openstreetmap.org/wiki/Tag:shop%3Dtrade
> Yes. I invented that tag and have already noted the possible confusion
> earlier in this thread.
> I have dithered about whether this second usage of "trade" would be
> confusing. Just as long as it can be used in a clearly distinct way, and
> the documentation clearly notes the other use and indicates how they are
> distinguished, I guess it would be OK.

I am not proposing that 'trade' be used in OSM in that way, but if it were then there can be problems.
  If necessary then something along the lines of payment=trade;cash;* Long way off topic.

I would certainly not use trade=* to indicate what is for sale in shop=* other than shop=trade.

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