Only in the sense that Fortran is an IBM product.  (IBM's Fortran compilers and runtimes are IBM products, but that's another matter.)

On Thu, Jan 13, 2022 at 5:13 AM Thomas Paulsen <thomas.paulsen@firemail.de> wrote:
nevertheless it's still an Adobe product.

--- Ursprüngliche Nachricht ---
Von: John Cowan <cowan@ccil.org>
Datum: 12.01.2022 20:54:34
An: Blake McBride <blake1024@gmail.com>
Betreff: Re: [TUHS] TeX and groff (was: roff(7))

an Adobe product.