From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#22295: viper-mode undo bug introduced between Nov 10 and Nov 14 Date: Mon, 16 May 2016 20:41:17 +0300 Message-ID: <83twhx529u.fsf@gnu.org> References: <83vb2h6lfq.fsf@gnu.org> <83r3d56jrg.fsf@gnu.org> <87poso7nf5.fsf@russet.org.uk> <878tzatbte.fsf@russet.org.uk> <83zirq3qt4.fsf@gnu.org> <5739FFDD.8080206@cs.stonybrook.edu> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1463420555 27504 80.91.229.3 (16 May 2016 17:42:35 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 16 May 2016 17:42:35 +0000 (UTC) Cc: 22295@debbugs.gnu.org, jim@meyering.net, phillip.lord@russet.org.uk To: Michael Kifer Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon May 16 19:42:25 2016 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 1b2MWx-00089H-VU for geb-bug-gnu-emacs@m.gmane.org; Mon, 16 May 2016 19:42:12 +0200 Original-Received: from localhost ([::1]:45452 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b2MWx-00037C-CA for geb-bug-gnu-emacs@m.gmane.org; Mon, 16 May 2016 13:42:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55722) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b2MWs-0002zA-B9 for bug-gnu-emacs@gnu.org; Mon, 16 May 2016 13:42:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b2MWo-0003nk-HM for bug-gnu-emacs@gnu.org; Mon, 16 May 2016 13:42:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:41829) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b2MWo-0003nf-Dv for bug-gnu-emacs@gnu.org; Mon, 16 May 2016 13:42:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1b2MWo-0007a0-6i for bug-gnu-emacs@gnu.org; Mon, 16 May 2016 13:42:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 16 May 2016 17:42:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22295 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 22295-submit@debbugs.gnu.org id=B22295.146342050429108 (code B ref 22295); Mon, 16 May 2016 17:42:02 +0000 Original-Received: (at 22295) by debbugs.gnu.org; 16 May 2016 17:41:44 +0000 Original-Received: from localhost ([127.0.0.1]:54166 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b2MWW-0007ZP-7f for submit@debbugs.gnu.org; Mon, 16 May 2016 13:41:44 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:36157) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b2MWU-0007ZE-W0 for 22295@debbugs.gnu.org; Mon, 16 May 2016 13:41:43 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b2MWM-0003cX-9g for 22295@debbugs.gnu.org; Mon, 16 May 2016 13:41:37 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:33508) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b2MWM-0003c7-6Y; Mon, 16 May 2016 13:41:34 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:2443 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1b2MWI-0004t7-Sy; Mon, 16 May 2016 13:41:32 -0400 In-reply-to: <5739FFDD.8080206@cs.stonybrook.edu> (message from Michael Kifer on Mon, 16 May 2016 13:14:05 -0400) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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" Xref: news.gmane.org gmane.emacs.bugs:118302 Archived-At: > Cc: phillip.lord@russet.org.uk, 22295@debbugs.gnu.org > From: Michael Kifer > Date: Mon, 16 May 2016 13:14:05 -0400 > > > Another alternative is to make viper use the default Emacs undo, and > > then ask you and other users of viper to tell where the results don't > > match your expectations. It could well be that starting with a clean > > slate will get us to the goal faster and with less complex code. > > This would be a non-starter and would cause a mass migration to vim. The undo would also then be > implementation dependent. If, say, "delete 2 words" is implemented differently from how it is now then it would > be undone via a different sequence of commands. Then I guess the current trial-and-error method will have to be the way. Too bad, I have hard time believing we will be ready with a complete solution in time for Emacs 25.1, which is what I hoped. Thanks.