From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: What happens during eval-buffer? Date: Tue, 16 May 2006 21:33:23 +0200 Message-ID: References: <446A270D.4080206@student.lu.se> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: sea.gmane.org 1147808032 2484 80.91.229.2 (16 May 2006 19:33:52 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Tue, 16 May 2006 19:33:52 +0000 (UTC) Cc: Emacs Devel Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue May 16 21:33:46 2006 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1Fg5If-0003LZ-6J for ged-emacs-devel@m.gmane.org; Tue, 16 May 2006 21:33:45 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Fg5Ie-0001Ts-M6 for ged-emacs-devel@m.gmane.org; Tue, 16 May 2006 15:33:44 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Fg5IR-0001TQ-Qi for emacs-devel@gnu.org; Tue, 16 May 2006 15:33:31 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Fg5IP-0001TC-TX for emacs-devel@gnu.org; Tue, 16 May 2006 15:33:31 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Fg5IP-0001T9-PM for emacs-devel@gnu.org; Tue, 16 May 2006 15:33:29 -0400 Original-Received: from [195.135.220.15] (helo=mx2.suse.de) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA:32) (Exim 4.52) id 1Fg5L7-0003f1-4I for emacs-devel@gnu.org; Tue, 16 May 2006 15:36:17 -0400 Original-Received: from Relay2.suse.de (mail2.suse.de [195.135.221.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id C658E1EBD6; Tue, 16 May 2006 21:33:25 +0200 (CEST) Original-To: Lennart Borgman X-Yow: Yow! I just went below the poverty line! In-Reply-To: <446A270D.4080206@student.lu.se> (Lennart Borgman's message of "Tue, 16 May 2006 21:25:01 +0200") User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.50 (gnu/linux) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-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:54603 Archived-At: Lennart Borgman writes: > Start with > > emacs -Q > > Put this into *Scratch*: > > <<<<<<<<<<<<<<<<<<<<< > > (defvar temp-html nil) > (setq temp-html > ;; Start-here > " > > > > > ") ;; Stop-here > > (let ((start (progn > (goto-char (point-min)) > (search-forward "Start-here") > (forward-line 2) > (point) > )) > ) > ) >>>>>>>>>>>>>>>>>>>>>>>>>>> > > With that as the current buffer then do > > M-x eval-buffer > > I get an error saying "Symbol's value as variable is void: ". Hav= e I > done something completely wrong or? Yes, replace progn by save-excursion. You have modified point under eval-buffer's feet, it will continue evaluation until point equals point-max. Andreas. --=20 Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstra=DFe 5, 90409 N=FCrnberg, Germany PGP key fingerprint =3D 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED= 5 "And now for something completely different."