Re: use-package documentation

[Eli Zaretskii]

> From: Stefan Kangas <stefankangas@gmail.com>
> Date: Sat, 31 Dec 2022 12:28:57 +0100
> Cc: rms@gnu.org, emacs-devel@gnu.org
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > I think we should perhaps mention it in both manuals, and leave it as
> > a separate manual.
> 
> Agreed.
> 
> However, while I think it makes sense to mention it in the emacs
> manual, I don't currently see where it would fit in the elisp manual.
> Perhaps it'd be enough to mention it in the emacs manual.

I think I found good places in both manuals, please take a look at the
emacs-29 branch.