[Tagging] Deprecation reasons - RFC

[Mateusz Konieczny]

Jan 24, 2022, 20:11 by zelonewolf at gmail.com:

> On Mon, Jan 24, 2022 at 12:49 PM Florian LAINEZ <> winnerflo at free.fr> > wrote:
>
>> Hi, I propose to clarify the reasons why a tag is deprecated : >> https://wiki.openstreetmap.org/wiki/Proposed_features/clarify_deprecation_reasons
>>
>
> When we say "deprecated" in OSM terms, this translates in reality to "described as deprecated in the wiki, perhaps with a recommendation to use a different tagging instead".  Sometimes these deprecations come about as changes to the wiki resulting from proposals, and sometimes they are simply the outcome of the wiki gardeners documenting de facto cases of obvious tagging mistakes or taggings that are no longer meaningfully in use.
>
> I am not sure what the problem is that this proposal is trying to solve.  If someone wishes to categorize the reasons for which tags become labeled as deprecated on the wiki, that sounds like an academic exercise rather than a topic for proposal and vote.
>
I am also confused why "replace the current reasons listed in the table with a
more consistent list" is done as a proposal.

If more consistency/accuracy can be achieved just edit this overtemplated monster
(if you can - I failed and ignore that page in my OSM Wiki editing).

Neither OSM Wiki edit plans nor data items editing plans require or really benefit
from a proposal.

BTW, "never implemented by editors / Q/A tools / renders / routing engines / tools"
is not a valid reason for deprecation by itself.

Also, 
https://wiki.openstreetmap.org/wiki/Proposed_features/clarify_deprecation_reasons#Examples
recommends changing some specific explanation by generic vague ones.

In particular

(1) This tag is confusing. A furnace is a big oven used for melting metals; 
some people also applied this tag for shops selling cooking stoves.

(2) The difference between a condominium and an apartment is purely legal,
difficult to verify, and unimportant to OSM.

seems clearly superior to proposed vague replacements.

(there are also other problems, like some data item plans for singular reason
of deprecation - while typically there are multiple)
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