one of the students in our seminar who's just upgraded to Accordance 10 has a copy-paste issue:
when pasting into Nisus Writer Pro, quotation marks appear in the wrong place as does an errant full stop.
instead of the quotation marks appearing at the beginning of the line, they appear at the end.
and a full stop appears at the beginning of the second line of each verse pasted.
this wasn't an issue in Accordance 9, and is not repeated in TextEdit or Word.
(sorry I can't show it as it's not on my computer)