<div dir="ltr"><div>There is a tag man_made=desalination_plant with its own wiki page[1] and with 11 occurrences [2]. Then there is man_made=water_works + water_works=desalination of which there is no wiki page, and 33 occurrences[3]. In the end, we have a proposal that proposes waterworks=desalination_plant[4]

 (waterworks with no underline) with 0 occurrences. There is also a man_made=water_works wiki which doesn't say anything about water_works=* subtags [5].<br></div><div><br></div><div>So it seems the wiki is pushing for the man_made=desalination_plant, but the state of the tag is there is 3 times as many water_works=desalination which is totally undocumented.</div><div><br></div><div>If we want to push the man_made=desalination_plant, should I put a "Possible tagging mistakes" section with {{PossibleSynonym|water_works|desalination}} so that we at least have it documented as an example of bad tagging?</div><div><br></div><div>Thanks,</div><div><br></div><div>Janko<br></div><div><br></div><div>[1] <a href="https://wiki.openstreetmap.org/wiki/Tag:man_made%3Ddesalination_plant">https://wiki.openstreetmap.org/wiki/Tag:man_made%3Ddesalination_plant</a></div><div>[2] <a href="https://taginfo.openstreetmap.org/tags/man_made=desalination_plant">https://taginfo.openstreetmap.org/tags/man_made=desalination_plant</a></div><div>[3] <a href="https://taginfo.openstreetmap.org/tags/water_works=desalination">https://taginfo.openstreetmap.org/tags/water_works=desalination</a></div><div>[4] <a href="https://wiki.openstreetmap.org/wiki/Proposed_features/Waterworks_proposal">https://wiki.openstreetmap.org/wiki/Proposed_features/Waterworks_proposal</a></div><div>[5] <a href="https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dwater_works">https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dwater_works</a></div></div>