On Fri, 10 Mar 2006, Larry McVoy wrote:
I've
found the documentation for most of the major
troff preprocessors and macros packages, but I can't
seem to find anything but occasional references to a
paper on the "Programmer's Memorandum Macros" (troff -mm)
by Smith and Mashey.
Try asking on the groff mailing list, they have been very active lately,
built a new macro package even.
As a matter of fact, I did come across the groff list archives -
one of the members suggested adding a placeholder to the
troff.org
web site for a link to the -mm document I mentioned:
http://www.troff.org/papers.html
-aw