[TUHS] revision history of troff -me macro set?

[Jeremy C. Reed]

> Is there a repository of historical versions of Eric Allman's -me macro
> set for troff?

Also see

https://minnie.tuhs.org/cgi-bin/utree.pl?file=2BSD/doc/me
https://minnie.tuhs.org/cgi-bin/utree.pl?file=2BSD/bin/lib/me
(especially revisions and tmac.e)
https://minnie.tuhs.org/cgi-bin/utree.pl?file=2BSD/src/me
(again revisions and tmac.e)

And look at the SCCS "s.revisions" file

While it says "First Release: 11 Sept 1978" there is also a tmac.e 
included and used by docs in 1BSD for exrefm.