Thanks Dave, for the suggestion. That doesn't seem to be the problem, however, on my machine (Ubuntu 20.10). No-argument cat works as expected.
--d On Tuesday, December 15, 2020, 04:50:01 PM EST, Dave Kemper <saint.s...@gmail.com> wrote: On 12/15/20, Oliver Corff <oliver.co...@email.de> wrote: > I have no other version at hand so I cannot check. Maybe you try 1.22.3, Oliver, I ran the simple example you posted using groff 1.22.4 and groff 1.23.0.rc1, and it behaved as you described under both versions. So the problem does not appear to be related to the groff version, which suggests that something in Dorai's groff installation or environment is causing the problem. Dorai, do other commands process stdin as expected? That is, if you enter "cat" (with no filename) at the shell prompt, then lines of input, is each line echoed to stdout?
