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#63535: Master branch: Error in forw_comment (syntax.c) handling of escaped LFs Date: Tue, 16 May 2023 19:29:26 +0300 Message-ID: <83edngz1cp.fsf@gnu.org> References: <83ttwcz3gg.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7936"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 63535@debbugs.gnu.org To: Alan Mackenzie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue May 16 18:30:13 2023 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 1pyxYy-0001so-VK for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 16 May 2023 18:30:12 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pyxYr-0007Ac-Oq; Tue, 16 May 2023 12:30:06 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pyxYp-0007AR-3C for bug-gnu-emacs@gnu.org; Tue, 16 May 2023 12:30:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pyxYo-0003HL-RD for bug-gnu-emacs@gnu.org; Tue, 16 May 2023 12:30:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pyxYo-0006R3-Lf for bug-gnu-emacs@gnu.org; Tue, 16 May 2023 12:30:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 16 May 2023 16:30:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 63535 X-GNU-PR-Package: emacs Original-Received: via spool by 63535-submit@debbugs.gnu.org id=B63535.168425456724661 (code B ref 63535); Tue, 16 May 2023 16:30:02 +0000 Original-Received: (at 63535) by debbugs.gnu.org; 16 May 2023 16:29:27 +0000 Original-Received: from localhost ([127.0.0.1]:47140 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pyxYF-0006Ph-8Y for submit@debbugs.gnu.org; Tue, 16 May 2023 12:29:27 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:37972) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pyxYB-0006PS-T2 for 63535@debbugs.gnu.org; Tue, 16 May 2023 12:29:25 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pyxY6-00039J-3n; Tue, 16 May 2023 12:29:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=HzR0UpO5FS3Qqz6t6Ll6fUtuKl6U3rl6vAVsrJEJ2PM=; b=dSkbKCKtOtCI 6sfIfZl/M+hrl6GNcd7iDH5wCbnART90XLCybj8tdYbuo/6Hg8QXB4EV3xP7NlPW9tIEwIBC0UJ3H f2X2BiMHAJ+4LmZzs/+844bcv459SLa//FM5BMO9mA/v7tpF2g/fdIH83WVR28vg2/nSo0S5piTTX JM8APUCYbRtev8Bz7JHPiQrhu/uhgt7peuom9fAi4bTWDrqE+5godH4k7ZHCapx5QjGr09vHqW3Ga nSUPxLLZgzy3E79y3dhJVqNI6Y2xAFmlT6zA3n13bKm+TMrkEq7yV0TSMHJHnBYT+LdiupP1VqM2F tolL7xGbM+y8ztLoF+diLw==; Original-Received: from [87.69.77.57] (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 1pyxY5-0005sS-Nn; Tue, 16 May 2023 12:29:17 -0400 In-Reply-To: (message from Alan Mackenzie on Tue, 16 May 2023 16:15:24 +0000) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:261793 Archived-At: > Date: Tue, 16 May 2023 16:15:24 +0000 > Cc: 63535@debbugs.gnu.org > From: Alan Mackenzie > > > > && !(comment_end_can_be_escaped && char_quoted (from, from_byte)) > > > > .. Checking char_quoted is wrong. Instead the function should check the > > > current parse state. > > > Why not both? IOW, please explain why char_quoted is not TRT here. > > Because parse-partial-sexp is not scanning the backslash. The scan > starts one character after the backslash, and the syntactic effect of > that backslash is not in the OLDSTATE argument to parse-partial-sexp. Sorry, I still don't follow: char_quoted doesn't call parse-partial-sexp, AFAICT. So why does it matter what parse-partial-sexp does when we are discussing why char_quoted is not TRT?