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#33414: 27.0.50; inhibit-changing-match-data can be t in syntax-propertize functions, breaking backtrace and looking-at Date: Sun, 05 Sep 2021 11:45:50 +0200 Message-ID: <87v93fmk35.fsf@gnus.org> References: <83lg5ru88i.fsf@gnu.org> <83k1lbu5xj.fsf@gnu.org> <87r1eylsea.fsf@gnus.org> <22C40A08-9611-4925-B840-8F3795175B0F@gmail.com> <87eea3nzel.fsf@gnus.org> <83v93ftl6e.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21551"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: p.stephani2@gmail.com, pipcet@gmail.com, 33414@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Sep 05 11:47:26 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 1mMokI-0005P9-6e for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 05 Sep 2021 11:47:26 +0200 Original-Received: from localhost ([::1]:44440 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mMokG-0001OQ-9G for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 05 Sep 2021 05:47:24 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42030) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mMoju-0001MR-0H for bug-gnu-emacs@gnu.org; Sun, 05 Sep 2021 05:47:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:37716) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mMojt-000730-Ls for bug-gnu-emacs@gnu.org; Sun, 05 Sep 2021 05:47:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mMojt-0005O7-KV for bug-gnu-emacs@gnu.org; Sun, 05 Sep 2021 05:47:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 05 Sep 2021 09:47:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 33414 X-GNU-PR-Package: emacs Original-Received: via spool by 33414-submit@debbugs.gnu.org id=B33414.163083516317981 (code B ref 33414); Sun, 05 Sep 2021 09:47:01 +0000 Original-Received: (at 33414) by debbugs.gnu.org; 5 Sep 2021 09:46:03 +0000 Original-Received: from localhost ([127.0.0.1]:49261 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mMoiv-0004er-SG for submit@debbugs.gnu.org; Sun, 05 Sep 2021 05:46:02 -0400 Original-Received: from quimby.gnus.org ([95.216.78.240]:50056) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mMoit-0004YX-Sr for 33414@debbugs.gnu.org; Sun, 05 Sep 2021 05:46:00 -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=4kt5oS7sZ9c7odvi/oA9EvjXXjQlXiqzloJx/yUWOdg=; b=YbiOEcxMpOFISJYEWmo8ioy2wy cusVUrlE6VS7zm4zfpGxl//u8IxJvMnnapQRez0dscnz85qHGojA3y7WZx69qRWp2FXrgWHzFzMR6 schWY7JWTfnf1pzPMlbhRkycO8ALNEafbBDYVXFpSZVEhflMibpV0wf8YZrKmooaMGyw=; Original-Received: from [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 1mMoil-00042u-6S; Sun, 05 Sep 2021 11:45:53 +0200 In-Reply-To: <83v93ftl6e.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 05 Sep 2021 12:40:25 +0300") 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:213487 Archived-At: Eli Zaretskii writes: > FWIW, I don't share the above view. We bind variables to affect > behavior of functions all over the place, and that is perfectly okay, > IMO. This one leads to really hard to debug problems, though. >> -@defun looking-at regexp >> +@defun looking-at regexp &optional inhibit-save > ^^^^^^^^^^^^ > A typo? Yup. I changed the name of these parameters five times while writing the patch. >> +(make-obsolete-variable 'inhibit-changing-match-data nil "28.1") > > Really? why obsolete it? Because it's not used (and shouldn't be used). `save-match-data' is the proper way to achieve this in normal code. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no