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#8147: 24.0.50; Inserting *Help* buffer can lead to data loss Date: Mon, 07 Mar 2011 11:20:12 -0500 Message-ID: References: <8762s2akxq.fsf@escher.fritz.box> <87oc5pff43.fsf@stupidchicken.com> <878vwtt7t0.fsf@escher.fritz.box> <87k4gcxkyp.fsf@escher.fritz.box> <87k4gct2mc.fsf@stupidchicken.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1299515835 2397 80.91.229.12 (7 Mar 2011 16:37:15 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 7 Mar 2011 16:37:15 +0000 (UTC) Cc: Stephen Berman , 8147@debbugs.gnu.org To: Chong Yidong Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Mar 07 17:37:07 2011 Return-path: Envelope-to: geb-bug-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 ) id 1PwdQh-0003mj-3c for geb-bug-gnu-emacs@m.gmane.org; Mon, 07 Mar 2011 17:37:07 +0100 Original-Received: from localhost ([127.0.0.1]:59195 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PwdQg-0004uL-Gu for geb-bug-gnu-emacs@m.gmane.org; Mon, 07 Mar 2011 11:37:06 -0500 Original-Received: from [140.186.70.92] (port=35390 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PwdQV-0004sF-PD for bug-gnu-emacs@gnu.org; Mon, 07 Mar 2011 11:36:57 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PwdQU-00014o-BX for bug-gnu-emacs@gnu.org; Mon, 07 Mar 2011 11:36:55 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:49385) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PwdQU-00014i-69 for bug-gnu-emacs@gnu.org; Mon, 07 Mar 2011 11:36:54 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1PwdB8-00085h-EV; Mon, 07 Mar 2011 11:21:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 07 Mar 2011 16:21:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 8147 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 8147-submit@debbugs.gnu.org id=B8147.129951482231045 (code B ref 8147); Mon, 07 Mar 2011 16:21:02 +0000 Original-Received: (at 8147) by debbugs.gnu.org; 7 Mar 2011 16:20:22 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PwdAS-00084f-JO for submit@debbugs.gnu.org; Mon, 07 Mar 2011 11:20:21 -0500 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.183] helo=ironport2-out.pppoe.ca) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PwdAR-00084P-20 for 8147@debbugs.gnu.org; Mon, 07 Mar 2011 11:20:19 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvsEALuUdE3O+LEt/2dsb2JhbACmU3W+O4ViBIUcj3E X-IronPort-AV: E=Sophos;i="4.62,277,1297054800"; d="scan'208";a="94870566" Original-Received: from 206-248-177-45.dsl.teksavvy.com (HELO ceviche.home) ([206.248.177.45]) by ironport2-out.pppoe.ca with ESMTP/TLS/ADH-AES256-SHA; 07 Mar 2011 11:20:13 -0500 Original-Received: by ceviche.home (Postfix, from userid 20848) id D0EDD660C9; Mon, 7 Mar 2011 11:20:12 -0500 (EST) In-Reply-To: <87k4gct2mc.fsf@stupidchicken.com> (Chong Yidong's message of "Sun, 06 Mar 2011 15:28:43 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Mon, 07 Mar 2011 11:21:02 -0500 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) 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: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:44746 Archived-At: > The buffer from you pasted the button might not be *Help*; it could be > any other buffer in Help mode. So wouldn't it be inconsistent either > way? I don't think that's a problem. His patch looks good to me. The main issue is to avoid replacing the buffer's content when that content is not prepared for such replacement, and help-mode buffers are supposed to be prepared for it (e.g. proving the help-xref-stack to "undo"). Stefan