From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!not-for-mail
From: Richard Stallman <rms@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Multiple major modes
Date: Wed, 13 Jun 2007 12:22:39 -0400
Message-ID: <E1HyVcF-0001ex-2m@fencepost.gnu.org>
References: <m2wsyankbs.fsf@sl392.st-edmunds.cam.ac.uk>	<466E7A93.3050705@gmail.com>
	<466E81AA.3030202@gnu.org>	<466E9822.2050508@gmail.com>
	<466EAB9D.9020408@gnu.org> <jwv8xap2oyc.fsf-monnier+emacs@gnu.org>
	<466EEA71.2070700@gmail.com>
	<200706122014.l5CKEKV1021902@projectile.siege-engine.com>
Reply-To: rms@gnu.org
NNTP-Posting-Host: lo.gmane.org
Content-Type: text/plain; charset=ISO-8859-15
X-Trace: sea.gmane.org 1181751972 16916 80.91.229.12 (13 Jun 2007 16:26:12 GMT)
X-Complaints-To: usenet@sea.gmane.org
NNTP-Posting-Date: Wed, 13 Jun 2007 16:26:12 +0000 (UTC)
Cc: jasonr@gnu.org, lennart.borgman@gmail.com, sdl.web@gmail.com,
	monnier@iro.umontreal.ca, emacs-devel@gnu.org
To: "Eric M. Ludlam" <eric@siege-engine.com>
Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Jun 13 18:26:08 2007
Return-path: <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>
Envelope-to: ged-emacs-devel@m.gmane.org
Original-Received: from lists.gnu.org ([199.232.76.165])
	by lo.gmane.org with esmtp (Exim 4.50)
	id 1HyVfW-0002tz-OL
	for ged-emacs-devel@m.gmane.org; Wed, 13 Jun 2007 18:26:02 +0200
Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43)
	id 1HyVfW-0003WS-7H
	for ged-emacs-devel@m.gmane.org; Wed, 13 Jun 2007 12:26:02 -0400
Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1HyVcJ-0002HM-KN
	for emacs-devel@gnu.org; Wed, 13 Jun 2007 12:22:43 -0400
Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1HyVcG-0002G7-4U
	for emacs-devel@gnu.org; Wed, 13 Jun 2007 12:22:43 -0400
Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1HyVcG-0002G3-1i
	for emacs-devel@gnu.org; Wed, 13 Jun 2007 12:22:40 -0400
Original-Received: from fencepost.gnu.org ([140.186.70.10])
	by monty-python.gnu.org with esmtp (Exim 4.60)
	(envelope-from <rms@gnu.org>) id 1HyVcF-0003xo-Q8
	for emacs-devel@gnu.org; Wed, 13 Jun 2007 12:22:39 -0400
Original-Received: from rms by fencepost.gnu.org with local (Exim 4.60)
	(envelope-from <rms@gnu.org>)
	id 1HyVcF-0001ex-2m; Wed, 13 Jun 2007 12:22:39 -0400
In-reply-to: <200706122014.l5CKEKV1021902@projectile.siege-engine.com>
	(eric@siege-engine.com)
X-detected-kernel: Linux 2.6, seldom 2.4 (older, 4)
X-BeenThere: emacs-devel@gnu.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "Emacs development discussions." <emacs-devel.gnu.org>
List-Unsubscribe: <http://lists.gnu.org/mailman/listinfo/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/emacs-devel>
List-Post: <mailto:emacs-devel@gnu.org>
List-Help: <mailto:emacs-devel-request@gnu.org?subject=help>
List-Subscribe: <http://lists.gnu.org/mailman/listinfo/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=subscribe>
Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org
Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org
Xref: news.gmane.org gmane.emacs.devel:72776
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/72776>

    This tools has a spiff macro `with-mode-local', which lets you run a
    bunch of code as if some other mode were active.

Can you explain, in a nutshell, how the mechanism works?