Re: master 69ec333eab0: Allow customizing partial-completion to be more like substring

[Spencer Baugh <sbaugh@janestreet.com>]

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On Tue, Sep 24, 2024, 7:22 AM Eli Zaretskii <eliz@gnu.org> wrote:

> > From: Spencer Baugh <sbaugh@janestreet.com>
> > Cc: emacs-devel@gnu.org
> > Date: Mon, 23 Sep 2024 15:36:10 -0400
> >
> > Eli Zaretskii <eliz@gnu.org> writes:
> > >> Date: Sat, 14 Sep 2024 11:47:42 +0300
> > >> From: Eli Zaretskii <eliz@gnu.org>
> > >> Cc: emacs-devel@gnu.org
> > >>
> > >> > Date: Fri, 06 Sep 2024 13:23:19 -0400
> > >> > From:  Spencer Baugh via "Emacs development discussions." <
> emacs-devel@gnu.org>
> > >> > Eli Zaretskii <eliz@gnu.org> writes:
> > >> > > Spencer, would you please take care of these gotchas?
> > >> >
> > >> > The attached patch does so.
> > >>
> > >> Thanks, installed.  But the new single-or-list feature should be
> > >> documented in the ELisp manual.
> > >
> > > Ping! single-or-list is still undocumented, AFAICT.  We should
> > > document it ASAP, as it is not good to have on the master branch
> > > features which are not reflected in the documentation.
> > >
> > > TIA
> >
> > I started writing documentation, but I came to the conclusion that most
> > users other than completion-styles should use the "group" widget
> > instead.  And documenting single-or-list would encourage using it
> > instead of group, which I don't think is correct.
> >
> > Maybe this widget should just be moved to minibuffer.el?
> >
> > Alternatively, if there are any other customizable variables or values
> > in Emacs which are sometimes a single value, and sometimes a list, then
> > this widget would be useful for those.  If we can think of any such
> > variables, then that would help justify the existence of single-or-list
> > (and I would convert their defcustoms to use single-or-list).  That
> > would help in writing documentation about when exactly to use it.
>
> I'm not sure I understand: are you saying that your change to
> minibuffer.el can be rewritten to not use single-or-list?  If so, I'm
> okay with that, and in that case we should simply remove
> single-or-list, until there are some users of it.
>

No, it's still necessary for my changes in minibuffer.el.  But I don't
think it's useful outside that.

>

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