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From: Stephen Leake <stephen_leake@stephe-leake.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: emacs-devel@gnu.org
Subject: Re: Reading major-mode name via completion?
Date: Sun, 29 May 2016 13:51:56 -0500	[thread overview]
Message-ID: <8660twbstv.fsf@stephe-leake.org> (raw)
In-Reply-To: <jwvr3ckswju.fsf-monnier+gmane.emacs.devel@gnu.org> (Stefan Monnier's message of "Sun, 29 May 2016 11:40:01 -0400")

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> Is there a completion table that already exists in emacs that one
>> could pass to completing-read for reading in a major-mode name?
>
> You might like to look at `customize-mode' which seems to provide
> that completion.

That essentially does:

(completing-read "prompt" obarray 'custom-group-of-mode ...)

`custom-group-of-mode' is used as the predicate in the completion; it
returns non-nil if the symbol has a custom group.

So this assumes all major modes have custom groups, which is only
approximately true.


-- 
-- Stephe



  reply	other threads:[~2016-05-29 18:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-29  2:54 Reading major-mode name via completion? raman
2016-05-29 15:40 ` Stefan Monnier
2016-05-29 18:51   ` Stephen Leake [this message]
2016-05-29 18:47 ` Stephen Leake
2016-05-29 22:18   ` raman

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