From: bojohan+news@dd.chalmers.se (Johan Bockgård)
To: emacs-devel@gnu.org
Subject: Re: quoted buffer object
Date: Thu, 23 Aug 2007 15:16:08 +0200 [thread overview]
Message-ID: <yoijlkc2fl2f.fsf@gamma02.me.chalmers.se> (raw)
In-Reply-To: 87mywi4m5m.fsf@ambire.localdomain
Thien-Thi Nguyen <ttn@gnuvola.org> writes:
> in vc.el:999, i see:
>
> (with-current-buffer ',(current-buffer)
>
> weird. here are some experiments in *scratch*:
>
> (bufferp (current-buffer))
> t
>
> (bufferp (car `(,(current-buffer))))
> t
>
> (bufferp (car `(',(current-buffer))))
> nil
>
> i conclude the code as it stands does not DTRT.
But 'x *evaluates* to x, so the quote is harmless (though superfluous,
since buffer objects are self-evaluating).
`(lambda ()
(with-current-buffer ',(current-buffer) ...))
=> (lambda nil (with-current-buffer '#<buffer foo> ...))
which will DTRT.
--
Johan Bockgård
next prev parent reply other threads:[~2007-08-23 13:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-23 9:48 quoted buffer object Thien-Thi Nguyen
2007-08-23 13:16 ` Johan Bockgård [this message]
2007-08-23 14:42 ` Stefan Monnier
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