From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#17784: hilit-chg.el marks bigger change than necessary Date: Wed, 14 Jul 2021 12:44:13 +0200 Message-ID: <874kcxkwea.fsf@gnus.org> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32892"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 17784@debbugs.gnu.org To: Le Wang Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Jul 14 12:46:12 2021 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 1m3cP5-0008Lo-5d for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 14 Jul 2021 12:46:11 +0200 Original-Received: from localhost ([::1]:54842 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m3cP4-0002zC-66 for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 14 Jul 2021 06:46:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51948) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m3cNy-00020m-DS for bug-gnu-emacs@gnu.org; Wed, 14 Jul 2021 06:45:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:59750) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1m3cNy-0000cX-5i for bug-gnu-emacs@gnu.org; Wed, 14 Jul 2021 06:45:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1m3cNx-0006sr-Sj for bug-gnu-emacs@gnu.org; Wed, 14 Jul 2021 06:45:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 14 Jul 2021 10:45:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17784 X-GNU-PR-Package: emacs Original-Received: via spool by 17784-submit@debbugs.gnu.org id=B17784.162625946426392 (code B ref 17784); Wed, 14 Jul 2021 10:45:01 +0000 Original-Received: (at 17784) by debbugs.gnu.org; 14 Jul 2021 10:44:24 +0000 Original-Received: from localhost ([127.0.0.1]:43060 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1m3cNM-0006rc-8f for submit@debbugs.gnu.org; Wed, 14 Jul 2021 06:44:24 -0400 Original-Received: from quimby.gnus.org ([95.216.78.240]:42000) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1m3cNK-0006rM-S6 for 17784@debbugs.gnu.org; Wed, 14 Jul 2021 06:44:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=YAwrItr5qR+rAkynV5K2s6da8gq+NiP0KaY1kkZjqjo=; b=cJ0AL2y9GzhQCgMZ43jXzmUygH DIZRpi3Yk0J0cPlGMziWjHAsgeY6k+qq+vX8QxeqYBdUbtEL3Qvr9hLSRkcdVroY+N0J9keDVuJUY EJccDRn3gUZCPROqw7zRz9ZaQ1qS5KQZqhDoE03YgnBtwrvwXFJ25MR7Jr6GTV43C/60=; Original-Received: from cm-84.212.220.105.getinternet.no ([84.212.220.105] helo=elva) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1m3cNB-0002ad-OK; Wed, 14 Jul 2021 12:44:16 +0200 X-Now-Playing: David Harrow's _The Succession_: "Here" In-Reply-To: (Le Wang's message of "Sat, 14 Jun 2014 23:23:07 -0400") 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:209915 Archived-At: Le Wang writes: > Repro steps: > > 1 create file: > > hi > _ > > > 2. insert "a" on line 2, before "_" > > 3. backspace > > 4. insert "a" on line 2, before "_", again > > 5. inspect text property of "_", and notice it has hilit-chg property > even though it hasn't been changed. This should now be fixed in Emacs 28. The problem was that the code tried to cater for the case where you have hi _ and then hi ab_ then deleting the "a" and then inserting something else. That worked for "b" (which was already highlighted), but not for "_", which was not. So I introduced a new text property to separate the two cases. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no