arch-dungeons/mines-and-caverns: Animated Morrowind Patch is for an older version
The included patch for
npcs-misc/animated-morrowind is actually for the original "Animated Morrowind II", and is designed to replace it (terrible design decision on the m&c author's part), while the version we've packaged is, to quote its source:
A merge of Animated Morrowind I, II and Brigands by Arcimaestro Antares, Animated Morrowind - Expanded by Wikart, with some changes for better compatibility with MCA7.x
Basically we'd need to turn the changed plugin into a patch on top of the original (deltaplugin can do this, but probably not yet due to it being incomplete), then figure out if the changes are still valid on top of the merged version we use, adjusting them if necessary. Plus, since we've also added an openmw patch (which is via a separate file, fortunately), we'd also need to make sure the changes don't conflict (probably don't, but who knows).