From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!not-for-mail
From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.help
Subject: Re: `save-excursion' defeated by `set-buffer'
Date: Mon, 14 Mar 2011 10:34:37 -0400
Organization: A noiseless patient Spider
Message-ID: <jwvoc5du61k.fsf-monnier+gnu.emacs.help@gnu.org>
References: <mailman.0.1299085819.4487.help-gnu-emacs@gnu.org>
	<jwvfwr2ures.fsf-monnier+gnu.emacs.help@gnu.org>
	<4D792D16.1080900@easy-emacs.de>
	<jwvei6efnv1.fsf-monnier+INBOX@gnu.org>
	<mailman.25.1299833256.26376.help-gnu-emacs@gnu.org>
	<jwv39mtd5uk.fsf-monnier+gnu.emacs.help@gnu.org>
	<83y64ksoik.fsf@gnu.org>
	<mailman.4.1299956141.9013.help-gnu-emacs@gnu.org>
	<87aah0j7lf.fsf@rapttech.com.au>
	<mailman.4.1300066631.25374.help-gnu-emacs@gnu.org>
NNTP-Posting-Host: lo.gmane.org
Mime-Version: 1.0
Content-Type: text/plain
X-Trace: dough.gmane.org 1300113911 32475 80.91.229.12 (14 Mar 2011 14:45:11 GMT)
X-Complaints-To: usenet@dough.gmane.org
NNTP-Posting-Date: Mon, 14 Mar 2011 14:45:11 +0000 (UTC)
To: help-gnu-emacs@gnu.org
Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Mar 14 15:45:06 2011
Return-path: <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>
Envelope-to: geh-help-gnu-emacs@m.gmane.org
Original-Received: from lists.gnu.org ([199.232.76.165])
	by lo.gmane.org with esmtp (Exim 4.69)
	(envelope-from <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>)
	id 1Pz913-0006un-My
	for geh-help-gnu-emacs@m.gmane.org; Mon, 14 Mar 2011 15:45:02 +0100
Original-Received: from localhost ([127.0.0.1]:57481 helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43)
	id 1Pz912-0006hR-N9
	for geh-help-gnu-emacs@m.gmane.org; Mon, 14 Mar 2011 10:45:00 -0400
Original-Path: usenet.stanford.edu!news.glorb.com!news2.glorb.com!feeder.erje.net!eternal-september.org!feeder.eternal-september.org!.POSTED!not-for-mail
Original-Newsgroups: gnu.emacs.help
Original-Lines: 12
Injection-Info: mx03.eternal-september.org;
	posting-host="MlVxKHoiiELTWWEIMzj3xA"; 
	logging-data="3774"; mail-complaints-to="abuse@eternal-september.org";
	posting-account="U2FsdGVkX19TP/5q/dE36mFbzdDQyDuu"
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)
Cancel-Lock: sha1:q1faNxenQjgY/GAl33h7sNPLdJM=
	sha1:VaMMvZr48Wgrt7lrwqD6fDCbw3o=
Original-Xref: usenet.stanford.edu gnu.emacs.help:185952
X-BeenThere: help-gnu-emacs@gnu.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Users list for the GNU Emacs text editor <help-gnu-emacs.gnu.org>
List-Unsubscribe: <http://lists.gnu.org/mailman/listinfo/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/help-gnu-emacs>
List-Post: <mailto:help-gnu-emacs@gnu.org>
List-Help: <mailto:help-gnu-emacs-request@gnu.org?subject=help>
List-Subscribe: <http://lists.gnu.org/mailman/listinfo/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=subscribe>
Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org
Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org
Xref: news.gmane.org gmane.emacs.help:80095
Archived-At: <http://permalink.gmane.org/gmane.emacs.help/80095>

> So, my test is pure and simple.  Convert all the save-excursion's that
> the compiler complains about to save-current-buffer.  If your code

I tend to push with-current-buffer rather than save-current-buffer.
The idea is that for most coding purposes, you only need save-excursion
to save point&mark and with-current-buffer to move to a another buffer
(and set-buffer is basically never needed).

I actually do C-s (set-buffer fairly often, as part of random code cleanup.


        Stefan