ietf-nntp OVER and PAT

[Lee Kindness]

Charles Lindsey writes:
 > At least leaving PAT out and putting HDR in (as a tidied up XHDR) would
 > mean we were merely documenting existing best practice. And the whole
 > question of respresenting SP in wildmats would simply go away.

Leave both out and we might get a new NNTP specification out
/soon/. Neither are worth holding release up for. Both could be fully
documented in an additional LIST EXTENSIONS extension at a later date.