Re: [Groff] Correct protocol for making changes

[Tadziu Hoffmann]

> >   (b) it works with old troff also (which has a limit
> >       of 9 macro arguments)
> >
> Actually the limit was 6 macro arguments for man macros
> in the 1980s.

Old troff had a general limit of 9 macro arguments.  The
limit of 6 arguments you're referring to came about because
the particular font-switching macros of the manpage macros
delegated the work to a generalized two-font switching
macro which took (I think) an additional 3 arguments.