Hello,
It would be useful to be able to turn off permission to add more markups for certain users (e.g. once the comment period is closed) but still allow them the ability to reply to the comment or set status on the comment. I guess I'm asking for a more granular applied permissions list. As it stands, it's either a markup is allowed or denied. It should be broken out into 1) add markup; 2) add reply to markup; 3) set status to markup; and 4) set status to reply.
For the last one above, it'd be helpful to be able allow or deny setting status on a reply to a comment because it messes up the ability to filter by status accurately when people set status on the reply and not on the original comment.