From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Moreton Newsgroups: gmane.emacs.bugs Subject: bug#22025: Emacs 25 corrupts Emacs 24 .emacs.desktop. Date: Wed, 02 Dec 2015 13:16:53 +0000 Message-ID: References: <20151127083837.GB1782@acm.fritz.box> <83r3jbstgq.fsf@gnu.org> <20151201121940.GA2611@acm.fritz.box> <83a8pukwdq.fsf@gnu.org> <20151201170138.GB2611@acm.fritz.box> <83zixuj9b8.fsf@gnu.org> <20151202112722.GA2318@acm.fritz.box> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1449062745 17147 80.91.229.3 (2 Dec 2015 13:25:45 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 2 Dec 2015 13:25:45 +0000 (UTC) To: 22025@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Dec 02 14:25:30 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1a47NF-0002lH-PK for geb-bug-gnu-emacs@m.gmane.org; Wed, 02 Dec 2015 14:23:10 +0100 Original-Received: from localhost ([::1]:58074 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a47NF-0004Ja-6t for geb-bug-gnu-emacs@m.gmane.org; Wed, 02 Dec 2015 08:23:09 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:35265) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a47NB-0004I6-U4 for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2015 08:23:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a47N8-0004Lj-Pu for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2015 08:23:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:46099) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a47N8-0004Le-N5 for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2015 08:23:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1a47N8-0002jy-DI for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2015 08:23:02 -0500 X-Loop: help-debbugs@gnu.org In-Reply-To: <20151127083837.GB1782@acm.fritz.box> Resent-From: Andy Moreton Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 02 Dec 2015 13:23:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22025 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.144906253510468 (code B ref -1); Wed, 02 Dec 2015 13:23:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 2 Dec 2015 13:22:15 +0000 Original-Received: from localhost ([127.0.0.1]:35807 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1a47MM-0002im-MG for submit@debbugs.gnu.org; Wed, 02 Dec 2015 08:22:14 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:53076) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1a47MK-0002ic-6n for submit@debbugs.gnu.org; Wed, 02 Dec 2015 08:22:13 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a47MJ-00048V-4l for submit@debbugs.gnu.org; Wed, 02 Dec 2015 08:22:12 -0500 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:33280) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a47MJ-00048R-1c for submit@debbugs.gnu.org; Wed, 02 Dec 2015 08:22:11 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34849) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a47MH-0003ez-T9 for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2015 08:22:10 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a47ME-00047r-Np for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2015 08:22:09 -0500 Original-Received: from plane.gmane.org ([80.91.229.3]:45600) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a47ME-00045P-Gw for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2015 08:22:06 -0500 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1a47Ij-0006WA-Hy for bug-gnu-emacs@gnu.org; Wed, 02 Dec 2015 14:18:29 +0100 Original-Received: from uk.solarflare.com ([193.34.186.16]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 02 Dec 2015 14:18:29 +0100 Original-Received: from andrewjmoreton by uk.solarflare.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 02 Dec 2015 14:18:29 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 47 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: uk.solarflare.com User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (windows-nt) Cancel-Lock: sha1:/Kc51vi92fx041Kk/SazoG6jplQ= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 208.118.235.43 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: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:109527 Archived-At: On Wed 02 Dec 2015, Alan Mackenzie wrote: > Hello, Eli. > > On Tue, Dec 01, 2015 at 08:46:51PM +0200, Eli Zaretskii wrote: >> > Date: Tue, 1 Dec 2015 17:01:38 +0000 >> > Cc: 22025@debbugs.gnu.org >> > From: Alan Mackenzie > >> > I think we need some way of alerting all users to the change. Otherwise >> > we could end up with lots of users never upgrading their desktops at >> > all, which would be a shame. The trouble is, we also need some way of >> > not alerting the users too often, and then we're coming back to some >> > sort of variable, if not a defcustom. > >> I think NEWS is the appropriate place to alert them to this. > > I'm a bit wary about NEWS. How many people actually read it thoroughly? > At each new release, I try to read NEWS, but my eyes start glazing over > before I even get half way through. > > But that aside, how about the following NEWS entry (to be followed by > actual code)? > > > ** Desktop > > --- > *** The desktop format version has been upgraded from 206 to 208. > Although Emacs 25.1 can read a version 206 desktop, earlier Emacsen > cannot read a version 208 desktop. To upgrade your desktop file, you > must explicitly request the upgrade by C-u M-x desktop-save. You are > recommended to do this as soon as you have firmly upgraded to Emacs > 25.1 (or later). Should you ever need to downgrade your desktop file > to version 206, you can do this with C-u C-u M-x desktop-save. > > An additional possibility would by to nag the user with a prompt in the > echo area after loading a 206 desktop. Something like: > > You have loaded an old format desktop file. To upgrade it, see NEWS (C-h n). > > , together with a variable to disable it. Maybe. Another possibility is an ELPA package for older emacsen to allow them to read and write version 208 format desktop files. AndyM