From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#13212: 24.2.90; setf (symbol-function ...) does not set buffer local variable if present Date: Mon, 17 Dec 2012 15:06:38 -0500 Message-ID: References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1355774818 31063 80.91.229.3 (17 Dec 2012 20:06:58 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 17 Dec 2012 20:06:58 +0000 (UTC) Cc: 13212-done@debbugs.gnu.org To: Burton Samograd Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Dec 17 21:07:10 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Tkgxw-0007W4-Fp for geb-bug-gnu-emacs@m.gmane.org; Mon, 17 Dec 2012 21:07:08 +0100 Original-Received: from localhost ([::1]:42652 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tkgxj-0002vN-3d for geb-bug-gnu-emacs@m.gmane.org; Mon, 17 Dec 2012 15:06:55 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:45102) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tkgxg-0002tw-2Z for bug-gnu-emacs@gnu.org; Mon, 17 Dec 2012 15:06:53 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Tkgxb-00037v-3A for bug-gnu-emacs@gnu.org; Mon, 17 Dec 2012 15:06:51 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:37319) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tkgxb-00037l-09 for bug-gnu-emacs@gnu.org; Mon, 17 Dec 2012 15:06:47 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1Tkgyp-00029E-7m for bug-gnu-emacs@gnu.org; Mon, 17 Dec 2012 15:08:03 -0500 Resent-From: Stefan Monnier Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: bug-gnu-emacs@gnu.org Resent-Date: Mon, 17 Dec 2012 20:08:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 13212 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: notabug Mail-Followup-To: 13212@debbugs.gnu.org, monnier@iro.umontreal.ca, burton@samograd.ca Original-Received: via spool by 13212-done@debbugs.gnu.org id=D13212.13557748778228 (code D ref 13212); Mon, 17 Dec 2012 20:08:02 +0000 Original-Received: (at 13212-done) by debbugs.gnu.org; 17 Dec 2012 20:07:57 +0000 Original-Received: from localhost ([127.0.0.1]:47563 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Tkgyj-00028e-Eb for submit@debbugs.gnu.org; Mon, 17 Dec 2012 15:07:57 -0500 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.182]:22189) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Tkgyh-00028T-Uf; Mon, 17 Dec 2012 15:07:56 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ai0FAG6Zu09FxLDj/2dsb2JhbABEsEiDSYEIghYBBVYjEAs0EhQYDSSIIboJkEQDiEKacYFYgwc X-IronPort-AV: E=Sophos;i="4.75,637,1330923600"; d="scan'208";a="210108750" Original-Received: from 69-196-176-227.dsl.teksavvy.com (HELO pastel.home) ([69.196.176.227]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 17 Dec 2012 15:06:38 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id E54D558FA3; Mon, 17 Dec 2012 15:06:38 -0500 (EST) In-Reply-To: (Burton Samograd's message of "Mon, 17 Dec 2012 10:26:50 -0700") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:68661 Archived-At: tags 13212 notabug thanks > (make-local-variable 'cons) > (setf (symbol-function 'cons) (lambda (x y) (+ x y))) buffer-local variables affect only variables, not functions. I.e. they affect symbol-value, not symbol-function. Elisp does not provide buffer-local functions, so you have to use things like (if (derived-mode-p 'foo-mode) ...) instead. An alternative is: (defvar-local my-foo-function (lambda () (some (default) behavior))) (defun my-foo () (funcall my-foo-function)) -- Stefan