> There are been attempts (doclifter and -Thtml being two of the most
ambitious) to make *roff output interchangeable with the rest of the world
I have something planned. But it's so ruthlessly absurd nobody would take
it seriously without proof. =) Hence why I'm not speaking up about it until
it'
> John Gardner wrote:
>
> Apropos of compatibility outside `groff`...
>
> Does anybody know of an exhaustive list of *roff implementations still in
> common use? (Including legacy repositories of historical interest)
>
> The current Roff interpreters I'm aware of are:
>
> 1. *GNU Troff