A third possibility could be,
o Deprecate NAT-PT altogther and write other drafts with 'offspring of NAT-PT' to cover the specialised use cases where a translator is useful, or o Turn this into a new applicability draft recommending only a very limited set of uses, and produce modifications to cater for some of the specialised use cases.
(Writing strictly as another bozo on the bus..)
-- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings