heres a more recent groff implementation of it the macros: https://linux.die.net/man/7/groff_ms https://linux.die.net/man/7/groff_ms prob not what you're lookin

heres a more recent groff implementation of it the macros: https://linux.die.net/man/7/groff_ms https://linux.die.net/man/7/groff_ms prob not what you're looking for, you prob want to get ahold of the orig nroff/troff files