polygon reaching over meridian 180° gets cut off on large map: https://fr.wikipedia.org/wiki/Utilisateur:WikedKentaur/polygon
phab: https://phabricator.wikimedia.org/T195654
<maplink text="Chukotka outlined" zoom=7 > { "type": "ExternalData", "service": "geoshape", "ids": "Q7984" } </maplink>
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<mapframe latitude=66 longitude=172 text="Chukotka outlined" zoom=4 width=400 height=400> { "type": "ExternalData", "service": "geoshape", "ids": "Q7984" } </mapframe>