From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#54488: 29.0.50; move-to-column/overlay-related regression in latest master, perhaps 28? Date: Wed, 23 Mar 2022 05:34:39 +0200 Message-ID: <83o81xe3zk.fsf@gnu.org> References: <87bkxzdccp.fsf@gmail.com> <831qyvfpv4.fsf@gnu.org> <83fsnbfd72.fsf@gnu.org> <8735jbc6gj.fsf@gmail.com> <6095582d-7065-8089-e8c7-857f070f8ce2@yandex.ru> <87y212b9nt.fsf@gmail.com> <83a6difahu.fsf@gnu.org> <835yo6f5tu.fsf@gnu.org> <834k3qf48k.fsf@gnu.org> <87r16uavhm.fsf@gmail.com> <83zglidnbs.fsf@gnu.org> <83y212dj2w.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31598"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 54488@debbugs.gnu.org, joaotavora@gmail.com To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Mar 23 04:35:11 2022 Return-path: Envelope-to: geb-bug-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 1nWrmB-00086v-AG for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 23 Mar 2022 04:35:11 +0100 Original-Received: from localhost ([::1]:51706 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nWrmA-0000mM-4W for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 22 Mar 2022 23:35:10 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:52808) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nWrm2-0000lt-7J for bug-gnu-emacs@gnu.org; Tue, 22 Mar 2022 23:35:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:48500) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nWrm1-0004bK-Uy for bug-gnu-emacs@gnu.org; Tue, 22 Mar 2022 23:35:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nWrm1-0004S1-ST for bug-gnu-emacs@gnu.org; Tue, 22 Mar 2022 23:35:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 23 Mar 2022 03:35:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 54488 X-GNU-PR-Package: emacs Original-Received: via spool by 54488-submit@debbugs.gnu.org id=B54488.164800649917097 (code B ref 54488); Wed, 23 Mar 2022 03:35:01 +0000 Original-Received: (at 54488) by debbugs.gnu.org; 23 Mar 2022 03:34:59 +0000 Original-Received: from localhost ([127.0.0.1]:42396 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nWrlz-0004Rh-9W for submit@debbugs.gnu.org; Tue, 22 Mar 2022 23:34:59 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:49016) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nWrlx-0004RQ-QE for 54488@debbugs.gnu.org; Tue, 22 Mar 2022 23:34:58 -0400 Original-Received: from [2001:470:142:3::e] (port=57158 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nWrls-0004a0-EI; Tue, 22 Mar 2022 23:34:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=u1v+AbIZE3JkmSGG1yeSmEgF20PVM1xkuWKcNjv7NVU=; b=WOncSzHrQGao5AWNKm5c LB11h3kBHs8WCpnE0wet017QHROyZrW4H2DAZDTVOuFIwUqNNOtcmhbntZ6qn/+K28Kzge7WdSFXR pcTQFkdCOblwbepp5w1OATS1D68zyAX5xuxFTFw0kho5fsPXDG6hVUnTlPGH+h78O7KHkeULPwQHE sPX98ozY8bCq4PauPKt3YB1z1JbXyNi7opj4QkKartbun5mKb+pJMMk8kFh9U6sipFKzGV18qFrx+ l3sg/STn+tyUfjwsUzXTDBCSeg5WMlB3gf5ZsMoeKwpWPdEHDzG3U7iST+w0HElunNaXYMoj+fUek zz5HXcSObvAVIA==; Original-Received: from [87.69.77.57] (port=4800 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nWrlr-0008FW-Q6; Tue, 22 Mar 2022 23:34:52 -0400 In-Reply-To: (message from Dmitry Gutov on Wed, 23 Mar 2022 01:55:17 +0200) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:228790 Archived-At: > Date: Wed, 23 Mar 2022 01:55:17 +0200 > Cc: 54488@debbugs.gnu.org > From: Dmitry Gutov > > On 22.03.2022 23:05, João Távora wrote: > > >  Why do you have to use move-to-column instead of forward-char? > > > > > > I don't remember! Is it exactly equivalent if you're standing in > > the beginning of the line? > > > > Yes, if you have only text in the buffer (no images etc.). > > > > > > Hmmm, it's interesting. Maybe I should just switch to that. Seems to fix > > it. Until someone adds images to the source code i suppose. What's your > > "etc"? > > Tabs? Tabs are a problem anyway, because the compiler cannot know how wide the tab is in the Emacs buffer. So if move-to-column is used to get to the place where the error is indicated, tabs should be a problem that is already handled specially, I think. And if so, it could be handled specially (in a different way) when forward-char is used instead. Or what am I missing?