On 2/5/24, G. Branden Robinson <g.branden.robin...@gmail.com> wrote: > As far as I know, groff has never extended AT&T troff syntax in _this_ > respect. > > The argument count to requests (unlike macros) is seemingly sacrosanct.
Groff extended the .ss request by adding an optional second parameter where AT&T's took only one. It's not exactly the same situation, but would seem to cross the same minefield.
