4.3.7.1 troff macros not appearing in groff

Macros missing from groff -ms are cover page macros specific to Bell Labs and Berkeley. The macros known to be missing are:

.TM

Technical memorandum; a cover sheet style

.IM

Internal memorandum; a cover sheet style

.MR

Memo for record; a cover sheet style

.MF

Memo for file; a cover sheet style

.EG

Engineer's notes; a cover sheet style

.TR

Computing Science Tech Report; a cover sheet style

.OK

Other keywords

.CS

Cover sheet information

.MH

A cover sheet macro