bug#65027: 30.0.50; [PATCH] Document .elpaignore behavior in the Emacs Lisp manual

[Stefan Kangas]

Jim Porter <jporterbugs@gmail.com> writes:

> In any case, if there are no objections in the next day or two, I'll merge my
> patch, and then look into whether there are any other things worth
> documenting. (For example, I'll try to turn my suggested documentation on
> package naming[1] into a patch.)
>
> [1] https://lists.gnu.org/archive/html/emacs-devel/2023-05/msg00452.html

Was this installed?  Otherwise, please go ahead.

Your patch LGTM.