From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.help Subject: Re: A strange issue with buffer-undo-list Date: Thu, 25 Feb 2021 06:16:07 +0100 Message-ID: <87r1l4n2w8.fsf@mbork.pl> References: <87o8gbqs28.fsf@mbork.pl> <8735xm2t3p.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="18881"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: mu4e 1.1.0; emacs 28.0.50 Cc: help-gnu-emacs@gnu.org To: Michael Heerdegen Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Feb 25 06:17:00 2021 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 1lF91H-0004la-Ei for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 25 Feb 2021 06:16:59 +0100 Original-Received: from localhost ([::1]:55274 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lF91G-0002Sw-Fw for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 25 Feb 2021 00:16:58 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54254) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lF90q-0002Sl-LE for help-gnu-emacs@gnu.org; Thu, 25 Feb 2021 00:16:32 -0500 Original-Received: from mail.mojserwer.eu ([195.110.48.8]:37540) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lF90i-0004Wu-Hj for help-gnu-emacs@gnu.org; Thu, 25 Feb 2021 00:16:31 -0500 Original-Received: from localhost (localhost [127.0.0.1]) by mail.mojserwer.eu (Postfix) with ESMTP id C3489E6870; Thu, 25 Feb 2021 06:16:15 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mail.mojserwer.eu Original-Received: from mail.mojserwer.eu ([127.0.0.1]) by localhost (mail.mojserwer.eu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NmaBOaRJdHfF; Thu, 25 Feb 2021 06:16:11 +0100 (CET) Original-Received: from localhost (178235147080.dynamic-3-poz-k-0-1-0.vectranet.pl [178.235.147.80]) by mail.mojserwer.eu (Postfix) with ESMTPSA id 5E703E683A; Thu, 25 Feb 2021 06:16:11 +0100 (CET) In-reply-to: <8735xm2t3p.fsf@web.de> Received-SPF: pass client-ip=195.110.48.8; envelope-from=mbork@mbork.pl; helo=mail.mojserwer.eu X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 autolearn=ham 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:128240 Archived-At: On 2021-02-24, at 01:43, Michael Heerdegen wrote: > Marcin Borkowski writes: > >> Is there a way to get the "state" of the change group to only cancel >> it if it was not finished? > > I think yes, it's called `atomic-change-group' - see how that macro is > implemented. Ah, that's simple and clever. Thank you. Still, these "change groups" seem a strange feature to me - they are hardly ever used in Emacs itself, right? Anyway, thanks a lot to both of you. -- Marcin Borkowski http://mbork.pl