bug#61613: 30.0.50; ffap-other-window ignores ffap-require-prefix

[Ergus]

On Sun, Feb 19, 2023 at 12:15:49PM +0200, Eli Zaretskii wrote:
> > Date: Sun, 19 Feb 2023 11:09:04 +0100
> > From: Ergus <spacibba@aol.com>
> > CC: 61613@debbugs.gnu.org
> >
> > emacs -Q
> > M-x ffap-bindings
> > M-: (setq ffap-require-prefix t)
> > Write /somedir
> >
> > C-x C-f  (you see: ~/)
> >
> > But
> >
> > C-x 4 f (you see /somedir)
> >
> > This seems to be related with the ffap-prompter called before the switch then?
>
> Yes, I think so.

Hi Eli:

So, what do you think? The fix may be to put the ffap-require-prefix
condition in ffap-read-file-or-url directly or in ffap-prompter??