For an MP with the topology of “island within a hole”, there is the warning that a “dual determination of the area mapped by way 3 will be created”: Relation:multipolygon - OpenStreetMap Wiki
Carto renders the “island” with an overlay of the surrounding “hole”, e.g. as water AND swamp at once (fortunately, Osmand does not).
Is there any option to determine the inner area only by its own tags? I am inexperienced with MP and I exclusively use the ID editor. So many thanks for all hints and proposals,
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Ce sujet de discussion accompagne la publication sur https://community.openstreetmap.org/t/mp-island-within-a-hole/6669