bug#4980: 23.1.50; In File > Quit GUI, add "Cancel", write "Save", and simplify

[Eli Zaretskii <eliz@gnu.org>]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: jasonr@f2s.com,  jasonspiro4@gmail.com,  4980@debbugs.gnu.org,
>   lennart.borgman@gmail.com
> Date: Thu, 27 Jan 2022 22:27:28 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > This now pops the dialog when you click File->Quit immediately after
> > entering "emacs -Q".  But there's no buffer that needs saving at that
> > point.
> 
> Now fixed.

Thanks.

> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Also, if you try this:
> >
> >   emacs -Q
> >   C-x C-f /some/non-existent/file RET
> >
> > then insert some text and click File->Quit, then selecting "Close
> > without saving" will still pop up an additional dialog asking whether
> > to exit although modified buffers exist.  But "Close without saving"
> > was supposed to have already answered that question.
> 
> I didn't change that logic -- you had to answer "no" twice before, and
> you still have to.

But save-some-buffers doesn't ask the same question: it asks about
specific buffers, one by one.  And popping 2 dialogs with basically
the same question looks ... worse.