see the dot in the location map in the infobox in https://de.wikipedia.org/w/index.php?title=Ameistal
which calls https://de.wikipedia.org/w/index.php?title=Vorlage:CoordinateLINK
where the geohack link is constructed using &params (the defined interface of geohack),
which is rendered as ¶ms.

Please do not replace HTML characters like this. Only ¶ is a html character.

It works correctly when not using parsoid: https://de.wikipedia.org/w/index.php?title=Ameistal&action=parsermigration-edit