[Talk-GB] Overwhelming concentration of Source->source tag typo errors

[Andy Townsend]

On 28/12/2021 02:38, Jbrsk B wrote:
> Thank-you both, and Merry Christmas to all!
>
> https://wiki.openstreetmap.org/wiki/Automated_Edits_code_of_conduct
> says:
>
>     Acceptable usage
>
>       * Correcting obvious typos, for example changing
>         hi*hg*way=residential to highway=residential.
>
>
> The capital S is not technically a typo, but my feeling is that this 
> case fits the spirit of that. The capital S was used systematically by 
> some contributors for some time, but why would anyone object to this 
> simple change in capitalisation?
>
I'd absolutely agree that changing "Source" to "source" is a "typo fix" 
in the spirit of that wiki page.  Here the original mapper surely meant 
to use a normal OSM "source" tag, but accidentally used a capital S.

It can be difficult sometimes to guess what the original mapper meant*, 
but not here - in this case it's absolutely clear and makes perfect 
sense to change "Source" to "source" (after checking for existing 
"source" tags that might conflict, which turns out not to be an issue: 
https://overpass-turbo.eu/s/1ezI ).

Someone has already mentioned to the original mapper at 
https://www.openstreetmap.org/changeset/65598267 that adding source tags 
to every object isn't necessary if all of the objects in a changeset 
have the same source.  If I was editing in the area and using multiple 
sources (usually I'd use a mixture of survey, whatever imagery seems 
best, and something for imagery alightment such as OS OpenData and OSMUK 
cadastral parcels) I'd probably remove the "Source/source" tags as I 
went, or replace it with something descriptive of the multiple sources used.

Best Regards,

Andy

* With a DWG hat on I've just partially reverted 
https://www.openstreetmap.org/changeset/113316313 , which removed lots 
of invalid surface values that might actually be useful to future local 
mappers, but also did make some likely correct guesses, like 
"surface=as" being a typo for "surface=asphalt". There I've tried to 
preserve the "good guesses" but undo the "tag removals" - "surface=g" 
might be "ground", "grass" or "gravel", and a mapper with local 
knowledge might be able to say "because it's in this area it's 
obviously...."

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