From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Lennart Borgman (gmail)" Newsgroups: gmane.emacs.devel,gmane.emacs.pretest.bugs Subject: Re: 23.0.60; scroll-up gives something between error and message Date: Mon, 24 Mar 2008 20:22:22 +0100 Message-ID: <47E7FF6E.6040804@gmail.com> References: <47E7F01E.8010608@gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1206386574 16518 80.91.229.12 (24 Mar 2008 19:22:54 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 24 Mar 2008 19:22:54 +0000 (UTC) Cc: emacs-pretest-bug@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Mar 24 20:23:21 2008 Return-path: 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 1JdsGH-0000WD-UA for ged-emacs-devel@m.gmane.org; Mon, 24 Mar 2008 20:23:14 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JdsFg-0000XF-Kr for ged-emacs-devel@m.gmane.org; Mon, 24 Mar 2008 15:22:36 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JdsFb-0000Ww-UF for emacs-devel@gnu.org; Mon, 24 Mar 2008 15:22:31 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JdsFa-0000WI-9Q for emacs-devel@gnu.org; Mon, 24 Mar 2008 15:22:31 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JdsFa-0000WF-2l for emacs-devel@gnu.org; Mon, 24 Mar 2008 15:22:30 -0400 Original-Received: from fencepost.gnu.org ([140.186.70.10]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1JdsFa-0005ds-6x for emacs-devel@gnu.org; Mon, 24 Mar 2008 15:22:30 -0400 Original-Received: from mx10.gnu.org ([199.232.76.166]) by fencepost.gnu.org with esmtp (Exim 4.67) (envelope-from ) id 1JdsFZ-0006bw-Mo for emacs-pretest-bug@gnu.org; Mon, 24 Mar 2008 15:22:29 -0400 Original-Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1JdsFW-0005d8-VF for emacs-pretest-bug@gnu.org; Mon, 24 Mar 2008 15:22:29 -0400 Original-Received: from ch-smtp02.sth.basefarm.net ([80.76.149.213]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1JdsFW-0005ck-J6 for emacs-pretest-bug@gnu.org; Mon, 24 Mar 2008 15:22:26 -0400 Original-Received: from c83-254-148-228.bredband.comhem.se ([83.254.148.228]:62889 helo=[127.0.0.1]) by ch-smtp02.sth.basefarm.net with esmtp (Exim 4.68) (envelope-from ) id 1JdsFT-00010N-93; Mon, 24 Mar 2008 20:22:24 +0100 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.9) Gecko/20071031 Thunderbird/2.0.0.9 Mnenhy/0.7.5.666 In-Reply-To: X-Antivirus: avast! (VPS 080324-0, 2008-03-24), Outbound message X-Antivirus-Status: Clean X-Originating-IP: 83.254.148.228 X-Scan-Result: No virus found in message 1JdsFT-00010N-93. X-Scan-Signature: ch-smtp02.sth.basefarm.net 1JdsFT-00010N-93 d02749a0f80b840c33996837aa7ddc55 X-detected-kernel: by monty-python.gnu.org: Linux 2.6? (barebone, rare!) X-detected-kernel: by monty-python.gnu.org: 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." 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:93318 gmane.emacs.pretest.bugs:21676 Archived-At: Stefan Monnier wrote: >> There is something strange with the error handling in scroll-up. When >> calling (scroll-up 1) in an empty buffer execution of the function calling >> it stopped and a message is given. However there is no error generated. > > What makes you think no error is generated? There is no traceback, but yes I did not try. Here is a try: (defun test-scroll () (interactive) (setq debug-on-error t) (let* ((buffer-name "test-scroll") (buffer (get-buffer buffer-name))) (when buffer (kill-buffer buffer)) (setq buffer (get-buffer-create buffer-name)) (switch-to-buffer buffer) (message "here 1") (sit-for 1) (condition-case err (scroll-up 1) (error (message "scroll-up error: %s" err) (sit-for 1))) (message "here 2") (sit-for 1) (scroll-up 1) (message "here 3") (sit-for 1) )) The output is now here 1 scroll-up error: (end-of-buffer) here 2 let*: End of buffer There is no *Backtrace* window shown for the second (scroll-up 1). Is there when you test it?