preserve natural=coastline on outer ways during Merge operation (Fixes #11816) #11818
+21
−2
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this applies the same fix logic from 62e1714 to the merge operation
fix
Now, when coastline ways are merged into a multipolygon, the natural=coastline tag stays on the outer ways rather than being shifted to the relation, as recommended by the OSM wiki
changes
Modified modules/actions/merge_polygon.js to extract
natural=coastlinebefore merging tagsAdded a regression test in test/spec/actions/merge_polygon.js to verify that
natural=coastlinestays on the way while other tags move to the relation.Fixes #11816