@@ -271,7 +271,7 @@ instance ( Ord k
271271 h :: (k, (Maybe k, From k p)) -> [(k, Fixup k p)]
272272 h (_, (mToAfter, editBefore)) = case (mToAfter, editBefore) of
273273 (Just toAfter, From_Move fromBefore p)
274− | fromBefore == toAfter && isNull p
274+ | fromBefore == toAfter && isEmpty p
275275 -> [(toAfter, Fixup_Delete)]
276276 | otherwise
277277 -> [ (toAfter, Fixup_Update (This editBefore))