On Thu, Sep 09, 2021 at 02:21:53PM +0200, Ingo Schwarze wrote:
> Consequently, i won't attempt fixing this bug before the upcoming
> release, the risk of breaking the release in a way that might be
> even worse is too high, and besides, this causes too much effort
> to be resolved before release.

Fair enough; as a work-around, apparently
-- >8 --
.EQ
delim %%
.EN
.if 0 \{ A % B % C \}
.if 1 \{ D % E % F \}
-- >8 --
works in both mandoc and groff.

наб