Re: emacs 29 expand command in minibuf

[Stephen Berman]

On Mon, 13 Jun 2022 06:57:27 +0200 Tassilo Horn <tsdh@gnu.org> wrote:

> hx <silent2600@gmail.com> writes:
>
>> In 28.1 when I execute M-x em-v, it will execute emacs-version
>> immediately, but in 29, it will expand to emacs-v in mini-buffer
>> first, need to press enter again.
>>
>> Could you please tell me which option can make 29 work like 28 ?
>
> The "problem" is that in 29, there's a new command emacs-news-view-mode
> which also happens to be a possible match for input "em-v" when
> partial-completion is in completion-styles (which it is by default).
> That emacs-version is matched by "em-v" is also due to the
> partial-completion style, so removing that won't do either.

I think the real problem is that after `M-x em-v TAB' expands the input
to "emacs-v", typing TAB again completes it to "emacs-version" instead
of popping up a *Completions* buffer containing both
"emacs-news-view-mode" and "emacs-version".

Steve Berman