From: Lars Ingebrigtsen <larsi@gnus.org>
To: Drew Adams <drew.adams@oracle.com>
Cc: 21252@debbugs.gnu.org
Subject: bug#21252: 25.0.50; `describe-variable': use current buffer, not minibuffer, in `completing-read' PREDICATE
Date: Sun, 01 May 2016 00:09:18 +0200 [thread overview]
Message-ID: <87eg9m92b5.fsf@gnus.org> (raw)
In-Reply-To: <acc6fc59-6b44-46f1-9bf0-2d1e10714b75@default> (Drew Adams's message of "Thu, 13 Aug 2015 08:44:24 -0700 (PDT)")
Drew Adams <drew.adams@oracle.com> writes:
> This bug is at least as old as Emacs 20! Never noticed it before.
>
> 1. emacs -Q
> 2. Type this in *scratch* and evaluate it using `C-x C-e':
>
> (set (make-local-variable 'toto) 42)
>
> 3. C-h v tot TAB
>
> There is no completion for variable `toto'.
>
> The reason is that the PREDICATE arg passed to `completing-read' gets
> evaluated with the minibuffer as the current buffer, and `toto' is not
> bound in the minibuffer.
>
> The predicate should use `with-current-buffer' to make the originally
> current buffer current for the test.
Makes sense. I applied your changes, slightly changed.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
prev parent reply other threads:[~2016-04-30 22:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-13 15:44 bug#21252: 25.0.50; `describe-variable': use current buffer, not minibuffer, in `completing-read' PREDICATE Drew Adams
2016-04-30 22:09 ` Lars Ingebrigtsen [this message]
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