Useful completion package in GNU ELPA

[Christopher Dimech <dimech@gmx.com>]

> Sent: Tuesday, June 22, 2021 at 9:28 PM
> From: "Tassilo Horn" <tsdh@gnu.org>
> To: "Christopher Dimech" <dimech@gmx.com>
> Cc: "Jean Louis" <bugs@gnu.support>, help-gnu-emacs@gnu.org
> Subject: Re: Useful completion package in GNU ELPA
>
> Christopher Dimech <dimech@gmx.com> writes:
>
> Hi Christopher,
>
> > The way you say it sounds very good.  I wonder how it works with
> > orderless and other completion styles such as partial-completion and
> > initials.  Or does aggressive-completion have such capability?
>
> It is agnostic of the used completion-styles but works best for those
> where minibuffer-complete (or rather
> aggressive-completion-auto-complete-fn) can complete the current
> candidate further.  That's the case for styles whose candidates usually
> have a common prefix which can then be completed.
>
> With orderless, because of the orderlessiness, that's less common, e.g.,
> with input fo most styles would have as candidates foo-bar, foo-quux,
> foo-baz and aggressive-completion could complete to foo-.  With
> orderless, baz-foo would also be a canditate so there is no common
> prefix which could be completed.  (Maybe it could complete at least
> "foo" and then it's the users choice if she wants to complete at the
> front or at the end by moving point...).
>
> Similar arguments hold for the flex completion style.
>
> So all in all, I'd say aggressive-completion works very good for the
> styles basic, partial-completion, and substring and less good for more
> "open and flexible" styles.

Have not seen a problem but you seem to have tested it more thoroughly.
Will do some more tests.

> Bye,
> Tassilo
>