bug#41006: 26.3; regular expressions documentation

[Eli Zaretskii]

> From: Stefan Kangas <stefan@marxist.se>
> Date: Tue, 5 May 2020 20:09:55 +0200
> Cc: Mattias Engdegård <mattiase@acm.org>, 
>       Richard Stallman <rms@gnu.org>, rtm443x@googlemail.com, 
> 41006@debbugs.gnu.org
> 
> > I usually prefer not to use subheadings, because Info doesn't have
> > commands to go to a subheading.
> 
> Sorry if this is slightly off-topic, but is there any reason not to
> add such a command?  Would it be hard to do so?  Just a thought.

Maybe not hard, but I think this needs to be negotiated with the
Texinfo maintainers, since Emacs is not the only Info reader out
there.