From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Strange behavior editing a file from Dired Date: Fri, 09 Dec 2016 09:46:46 +0200 Message-ID: <8337hxily1.fsf@gnu.org> References: Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1481269609 15297 195.159.176.226 (9 Dec 2016 07:46:49 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 9 Dec 2016 07:46:49 +0000 (UTC) Cc: emacs-devel@gnu.org To: rms@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Dec 09 08:46:43 2016 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cFFtC-0002hG-BH for ged-emacs-devel@m.gmane.org; Fri, 09 Dec 2016 08:46:42 +0100 Original-Received: from localhost ([::1]:44996 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cFFtG-0007Fj-7v for ged-emacs-devel@m.gmane.org; Fri, 09 Dec 2016 02:46:46 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50140) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cFFt0-0006qP-7A for emacs-devel@gnu.org; Fri, 09 Dec 2016 02:46:36 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cFFsv-0008Cq-Ck for emacs-devel@gnu.org; Fri, 09 Dec 2016 02:46:30 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:52471) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cFFsv-0008Cl-9c for emacs-devel@gnu.org; Fri, 09 Dec 2016 02:46:25 -0500 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3328 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cFFsn-0004kK-UR; Fri, 09 Dec 2016 02:46:18 -0500 In-reply-to: (message from Richard Stallman on Thu, 08 Dec 2016 15:35:51 -0500) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:210169 Archived-At: > From: Richard Stallman > Date: Thu, 08 Dec 2016 15:35:51 -0500 > > When I review mails before sending them out, I move down through > a Dired buffer typing C-o. Sometimes I switch to the other window > and type C-x 1, edit that message file, and save it. Then I switch > back to the Dired buffer. > > Occasionally I find that point has moved up some number of lines in > the Dired buffer. The number of lines varies. > > This has been happening for months. > > When I notice it, I type C-h l, but I have not noticed anything > significant in the output. And I have not been able to reproduce it. > > Has anyone else seen something like this? I haven't, but I don't use Dired much with this paradigm. I would suggest to define some appropriate hook (pos-command-hook, if nothing better exists) that watches the value of point in that buffer, and signals an error when it changes. Then you might be able to catch the villain red-handed.