<div dir="ltr">On Fri, 7 Feb 2020 at 10:50, Christoph Hormann <<a href="mailto:osm@imagico.de">osm@imagico.de</a>> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Friday 07 February 2020, Peter Elderson wrote:<br>
> E.g. if a solution would be to tag hedge areas as natural=hedge<br>
> or landcover=hedge, then the change path would be for the renderer to<br>
> temporarily render the old AND the new tagging, so mappers can edit<br>
> the old tagging to the new tagging.<br>
<br>
We always try to avoid that because it never works towards a more <br>
consistent tagging but only perpetualizes the use of both tags as <br>
synonyms because mappers get feedback that both tags are correct.<br></blockquote><div><br></div><div>All it takes is for editors to use the new synonym for its presets and to</div><div>alert users when they edit an object with the old synonym with an offer</div><div>to upgrade the tags. Like iD does for many other tags that have been</div><div>obsoleted (like old bus stop tagging). Mappers DO get feedback about</div><div>which tag is correct, at least in iD.<br></div><div><br></div><div>This list regularly suggests things like replacing landuse=grass with</div><div> landcover=grass, and proposes that editors make the appropriate changes.</div><div> Then we give up on entirely sensible ideas because Carto insists on a "no</div><div>synonyms" rule. Which leads me to say, frequently, that OSM</div><div>doesn't do joined-up thinking.</div><div><br></div><div>We could make this work very easily for landuse=grass. Existing objects,</div><div> when edited for other reasons, would warn about outdated tags and</div><div>the mapper would have the option to check iif the area is landcover=grass</div><div> (grass is grown there for no purpose other than landcover) or if it's something like a</div><div> meadow. For new objects, when the user types in grass then the editor would throw</div><div> up a list of suitable presets for grass/meadow/whatever. It's all perfectly feasible,</div><div> except "no synonyms."<br></div><div><br></div><div>OSM doesn't do joined-up thinking.</div><div><br></div><div>-- <br></div><div>Paul</div><div><br></div><div><br></div></div></div>