bug#64425: [PATCH] Mention minibuffer-next-completion in completion-help

[Eli Zaretskii <eliz@gnu.org>]

> From: Spencer Baugh <sbaugh@janestreet.com>
> Cc: sbaugh@catern.com,  64425@debbugs.gnu.org
> Date: Mon, 03 Jul 2023 08:53:11 -0400
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> >> From: sbaugh@catern.com
> >> Date: Sun, 02 Jul 2023 19:14:06 +0000 (UTC)
> >> Cc: 64425@debbugs.gnu.org
> >> 
> >> > Isn't this text too long for a single screen line?  If so, it will
> >> > cause an annoying "jumping" of the mode line.
> >> 
> >> Good point, how about this wording:
> >
> > OK, I think.
> >
> >> > Also, what about updating the documentation?
> >> 
> >> All the other relevant documentation that I know about has already been
> >> updated to mention minibuffer-{next,previous,choose}-completion.
> >
> > I don't see the additional bindings documented anywhere.
> > And neither can I find any reference to
> > minibuffer-{next,previous,choose}-completion.  What did I miss?
> 
> (info "(emacs) Completion Commands") documents M-<DOWN>, M-<UP>,
> M-<RET>.

Ugh, not indexed, and the command names aren't even mentioned...  How
are people supposed to find them?  Now fixed.

> How about this?
> 
> diff --git a/doc/emacs/mini.texi b/doc/emacs/mini.texi
> index 9bf4da67644..517a6262522 100644
> --- a/doc/emacs/mini.texi
> +++ b/doc/emacs/mini.texi
> @@ -393,7 +393,7 @@ Completion Commands
>  @vindex minibuffer-completion-auto-choose
>  @item M-@key{DOWN}
>  @itemx M-@key{UP}
> -While in the minibuffer, these keys navigate through the completions
> +These keys navigate through the completions

I don't understand this change: do you mean that these keys are
available not only in the minibuffer?