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#55738: character escape bugs in the reader Date: Wed, 01 Jun 2022 15:42:47 +0200 Message-ID: <87mtew4i08.fsf@gnus.org> References: <20BC6F3C-1C72-4469-946D-8B9583C73024@acm.org> <84CE3A6F-E487-4823-96CB-208C79EB235C@acm.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="16882"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: 55738@debbugs.gnu.org To: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Jun 01 15:44:39 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 1nwOeL-0004DL-P8 for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 01 Jun 2022 15:44:38 +0200 Original-Received: from localhost ([::1]:38070 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nwOeK-0000OE-DE for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 01 Jun 2022 09:44:36 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37560) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nwOdy-0000Nv-CN for bug-gnu-emacs@gnu.org; Wed, 01 Jun 2022 09:44:17 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:56162) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nwOdl-0003R4-R3 for bug-gnu-emacs@gnu.org; Wed, 01 Jun 2022 09:44:06 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nwOdl-0003jj-PV for bug-gnu-emacs@gnu.org; Wed, 01 Jun 2022 09:44:01 -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, 01 Jun 2022 13:44:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 55738 X-GNU-PR-Package: emacs Original-Received: via spool by 55738-submit@debbugs.gnu.org id=B55738.165409098614253 (code B ref 55738); Wed, 01 Jun 2022 13:44:01 +0000 Original-Received: (at 55738) by debbugs.gnu.org; 1 Jun 2022 13:43:06 +0000 Original-Received: from localhost ([127.0.0.1]:50059 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nwOcr-0003hp-NG for submit@debbugs.gnu.org; Wed, 01 Jun 2022 09:43:06 -0400 Original-Received: from quimby.gnus.org ([95.216.78.240]:39756) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nwOcj-0003h5-12 for 55738@debbugs.gnu.org; Wed, 01 Jun 2022 09:43:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID :In-Reply-To:Date:References:Subject:Cc:To:From:Sender:Reply-To: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=od75LMagELQnGnpggzGTj/uQ+a16grwWeIjAJ1O1+08=; b=njb4oRfloz+qboz4FWr8vWzVPu wi5Hc0qN+ecv30KBR1UzU2bQrLf2d8WBuK+SlMdk7nMUuVSraQSHTVN1BhZDLG1uIx+jblqVYX57L q2OOtV32XnZhJRnbmsAAd8WJyep+dNuKkG+iGNtzIJwympSwAyeS7nuW6jHSAa7Yk0Ns=; Original-Received: from [84.212.220.105] (helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nwOca-0006he-99; Wed, 01 Jun 2022 15:42:50 +0200 X-Now-Playing: The Names's _Swimming_: "Leave Her To Heaven" In-Reply-To: <84CE3A6F-E487-4823-96CB-208C79EB235C@acm.org> ("Mattias =?UTF-8?Q?Engdeg=C3=A5rd?="'s message of "Wed, 1 Jun 2022 12:00:21 +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:233489 Archived-At: Mattias Engdeg=C3=A5rd writes: > Make the character literal ?\LF (linefeed) generate 10, not -1. > > Ensure that Control escape sequences in character literals are > idempotent: ?\C-\C-a and ?\^\^a mean the same thing as ?\C-a and ?\^a, > generating the control character with value 1. "\C-\C-a" no longer > signals an error. I think both changes make sense. > * src/lread.c (read_escape): Make nonrecursive and only combine > the base char with modifiers at the end, creating control chars > if applicable. Remove the `stringp` argument; assume character > literal syntax. Never return -1. > (read_string_literal): Handle string-specific escape semantics here > and simplify. And also sounds good. --=20 (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no