bug#25807: 24.5; List-Directory closes with error when invalid path is typed instead of prompting the user to fix it

[Eli Zaretskii]

Ping!  Ping!

> Date: Sat, 04 Mar 2017 12:23:04 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 25807@debbugs.gnu.org, my.old.email.sucked@gmail.com
> 
> Ping!
> 
> > Date: Fri, 24 Feb 2017 16:15:45 +0200
> > From: Eli Zaretskii <eliz@gnu.org>
> > Cc: 25807@debbugs.gnu.org
> > 
> > > From: Colin <my.old.email.sucked@gmail.com>
> > > Date: Mon, 20 Feb 2017 17:20:10 +1100
> > > 
> > > If I hit `C-x C-d`, I receive the prompt `List directory (breif): ~/` - 
> > > if I
> > > type `/tmp/foo` and hit Enter my message buffer shows `insert-directory:
> > > Reading directory: no such file or directory, /tmp/foo` - the prompt has
> > > now gone and I'm unable to fix my mistake without repeating the entire
> > > process.
> > 
> > Could someone knowledgeable about completion please suggest a way to
> > do better in these use cases, or perhaps propose a patch?  We are
> > looking for a way to reject non-existing directories, but accept
> > existing ones and wildcards, when the user types RET in these cases.
> > 
> > There is "permissive completion with confirmation", but that requires
> > the user to type TAB before it kicks in, which IMO is sub-optimal (and
> > counter-intuitive) in this case.
> > 
> > TIA