bug#61877: [PATCH] Extract Lisp function examples from shortdoc information

[Eli Zaretskii]

> Date: Thu, 02 Mar 2023 22:38:42 +0100
> From:  Daniel Martín via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> Daniel Martín <mardani29@yahoo.es> writes:
> 
> > Shortdoc contains a lot of useful examples about how to use common ELisp
> > functions.  This patch explores a new Emacs feature where those examples
> > are identified and extracted so they can be displayed, perhaps, in
> > *Help* buffers (via an additional help-fns-describe-function-functions
> > hook).
> >
> > After you install the attached patch, take a look at the *Help* buffer
> > produced by C-h f assq RET, or C-h f match-string RET, etc.
> >
> > What do you think of having this new Lisp feature in Emacs 30?  I can
> > send later another patch with tests, relevant NEWS entries and
> > documentation changes.
> >
> > Thanks.
> 
> I attach a second version of the patch.  I've confined the
> implementation to shortdoc.el, added a test, and documented the new
> functions.

Thanks.  This no longer applies to the current master, so please
resubmit, and I will install.

> The NEWS entry explains how users could show this information in their
> *Help* buffers, if they want.

Maybe this part should be also in the user manual?