bug#64871: 30.0.50; [FR] Add command and menu item to open user init file

[Eli Zaretskii]

> From: Ihor Radchenko <yantar92@posteo.net>
> Cc: luangruo@yahoo.com, 64871@debbugs.gnu.org
> Date: Fri, 28 Jul 2023 08:09:51 +0000
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> Not helpful:
> >> 1. "Top-level customization group" has help-echo "The master group
> >>    called 'Emacs'" - it does not clarify anything for me.
> >> 2. "Browse customization groups" has help-echo "Browse all customization
> >>    groups" - what new information does it provide?
> >
> > Feel free to suggest better help strings.  (I really don't understand
> > how are those "not helpful", but that's me.)
> 
> What about
> 
> 1. "Explore all Emacs customizations"
> 2. "Abbreviated overview of all Emacs customizations"

That's inaccurate.

How about:

  "Top-level groups of customizable options, and their descriptions."
  "Tree-like browser of all the groups of customizable options."