[OSM-talk] [Tagging] proposed bot edit was: Re: history discardable ?

[Mateusz Konieczny]

I want to propose making this bot edit

This edit would remove unneded and confusing history=* tags, remains of old software.

It would remove

history=retrieved using undelete JOSM plugin
history=Retrieved from v1
history=Retrieved from v2
...
history=Retrieved from v76
...

And merges of such values
history=Retrieved from v7;Retrieved from v3

Most values of this tag are pointless, confusing, unwelcome. Removing it manually 
(either in organized fashion or while editing affected objects) is a pointless waste of time
when it is possible to automate it.

Checking what that is by mappers encountering it and learning about it is a pointless waste of time.
Removing this tags from current object version would mostly eliminate this.

Making it a discardable key is not viable as some values can have some potential use 
(history=monument and similar mistaggings of historic), mass removing them silently is not OK.

Removing via JOSM validator is also sometimes that would involve precious human attention
that can be used far more beneficially than handling (semi)manual removal of worthless tags.

Yes, making an edit requires modifying objects. The same would happen if mapper would remove them manually.

Also, removal of this values would make history=monument and similar mistaggings of historic
more visible (for example on taginfo), making rescue of that data easier.
Full info:
https://wiki.openstreetmap.org/wiki/Mechanical_Edits/Mateusz_Konieczny_-_bot_account/remove_history_tags_recording_revert_as_an_object_tag/


Feb 11, 2021, 18:36 by tagging at openstreetmap.org:

> I support automatic edit removing all values starting from 
> "Retrieved from" and using key history as useless remains.
>
> I will make such edits, unless there is a clear opposition
> (note that manual removal of this tags is also acceptable and
> also desirable and also will change last edit date of this objects)
>
> It would make cleanup of remaining values easier, most of them appear
> to be mistagging of historic tag.
>
> Note that making this tag discardable is not ideal
> - there are values such as > https://taginfo.openstreetmap.org/tags/history=city_gate
> - tag value is not some bizarre name like osmarender:nameDirection but something
> where there is a real risk of people actually adding it deliberately
>
> Feb 11, 2021, 16:59 by letopographefou at gmail.com:
>
>> I agree it is a changeset tag, not a feature tag.
>>
>> But if a tag, whatever it is, shall disappear automatically on edit then it is easier and quicker to massively remove it once. I don't see the benefit of waiting 20 years to maybe one day have removed all of them. Asking tools to manage this exception is a loss of energy from my point of view.
>>
>> I agree for such mass edit removal if consensus is reached.
>>
>> LeTopographeFou
>>
>>
>>   Message original  
>>
>>
>> De: marc_marc at mailo.com
>> Envoyé: 11 février 2021 8:59 AM
>> À: tagging at openstreetmap.org
>> Répondre à: tagging at openstreetmap.org
>> Objet: [Tagging] history discardable ?
>>
>>
>> Hello,
>>
>> a long time ago, some tools add history=* to describe how a revert was done.
>> the current method is a changeset tag, for example
>> created_by=reverter_plugin;JOSM
>>
>> however there are still 42000 occurrences in the database and this
>> number increases every time someone split a way.
>> e.g. with https://www.openstreetmap.org/way/8105642 tag added in 2008,
>> but put on any splited way from it
>> https://www.openstreetmap.org/way/508259115/history
>> besides the uselessness of this information as a not-a-changeset tag,
>> it leads to absurd situations with "recovered from version 4 on objects
>> starting at version 1".
>> I therefore propose to declare this tag discardable so that this tag
>> disappears during a modification instead of being propagated.
>> if it makes consensus, I will open the tickets josm, id, ...
>>
>> What do you think?
>>
>> Regards,
>> Marc
>>
>>
>>
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>>
>
>

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