On Sat, 6 Feb 2021 at 11:39, Lars Ingebrigtsen <larsi@gnus.org> wrote:

>
> I think adding "MODES or their aliases" was a bit superfluous -- I think
> it should be self-evident that that's what's meant here.  I didn't
> remove that bit from the doc string, but I think adding it to
> derived-mode-p isn't all that helpful.
>

I agree, but I think it should be consistent between the two functions,
otherwise it looks as though they work differently. (If one is reading only
the docstrings, not looking at the code.)

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