From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eric Abrahamsen Newsgroups: gmane.emacs.help Subject: Re: Jumping from one position to other position Date: Sat, 05 Dec 2020 15:38:45 -0800 Message-ID: <87mtyrombe.fsf@ericabrahamsen.net> References: <87sg8jvr7i.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38934"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:raw4jSlYLBo8FdjYmjMA03qibSg= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Dec 06 00:39:17 2020 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1klh93-000A1t-0k for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 06 Dec 2020 00:39:17 +0100 Original-Received: from localhost ([::1]:47028 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1klh92-0002W1-28 for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 05 Dec 2020 18:39:16 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35870) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1klh8i-0002Vo-DM for help-gnu-emacs@gnu.org; Sat, 05 Dec 2020 18:38:56 -0500 Original-Received: from static.214.254.202.116.clients.your-server.de ([116.202.254.214]:55310 helo=ciao.gmane.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1klh8g-00067p-Rl for help-gnu-emacs@gnu.org; Sat, 05 Dec 2020 18:38:56 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1klh8c-0009bn-RU for help-gnu-emacs@gnu.org; Sun, 06 Dec 2020 00:38:50 +0100 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:126063 Archived-At: Michael Heerdegen writes: > Jean Louis writes: > >> If anybody have better way of jumping from one place A to place B and >> returning again to place A, and again to place B, let me know. > > (1) Most obvious: Use two windows. > > (2) Use registers. I've created "hotkeys" to save and restore 3 > positions in 3 registers (I use registers A, B and C for that). One-key > sequences, of course, should that be. I chose H-kp-1, C-kp-1, > H-kp-2, ... > > (3) A very smart "go to last change" package would ease that pain. I > once tried to implement something, but finding a good heuristic that > behaves well under different circumstances is surprisingly hard. I've often wanted this, and sometimes end up using undo-plus-redo to get there. It only just occurred to me that `buffer-undo-list' has all this information -- was that what you used? What difficulties did you run into?