> On Jan 14, 2022, at 1:10, Rob Pike <robpike@gmail.com> wrote:
>
> Dennis spent quite a bit of time cleaning up the troff code in the late 1980s, if I remember right, moving it to modern C. He got annoyed by it one day.

If I remember correctly, it was actually Ken.  He also turned it
in a single binary.  (Troff -N turned it into nroff).

> It was the "ditroff" variant although honestly I don't remember us ever calling it that. It was just the current version of troff. Not sure where the name came from. Perhaps it was us but I think of it as a foreign name.

Originally Brian called it "Typesetter Independent Troff" in the
article he wrote about it and for some reason people started to
call it "Device Independent".

        jaap