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#44486: 27.1; C-@ chars corrupt elisp buffer Date: Fri, 06 Nov 2020 22:07:10 +0200 Message-ID: <83361m8d1t.fsf@gnu.org> References: <878sbeikpr.fsf@posteo.net> <87zh3u8pqn.fsf@igel.home> <83blga8pdp.fsf@gnu.org> <838sbe8nny.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28546"; mail-complaints-to="usenet@ciao.gmane.io" Cc: thievol@posteo.net, schwab@linux-m68k.org, 44486@debbugs.gnu.org To: Kenichi Handa Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Nov 06 21:08:19 2020 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 1kb81z-0007K4-JK for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 06 Nov 2020 21:08:19 +0100 Original-Received: from localhost ([::1]:59898 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kb81y-0001X6-M4 for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 06 Nov 2020 15:08:18 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47234) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kb81i-0001Wx-8e for bug-gnu-emacs@gnu.org; Fri, 06 Nov 2020 15:08:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:45858) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kb81h-0000zJ-Vm for bug-gnu-emacs@gnu.org; Fri, 06 Nov 2020 15:08:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kb81h-0007ke-Og for bug-gnu-emacs@gnu.org; Fri, 06 Nov 2020 15:08:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 06 Nov 2020 20:08:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 44486 X-GNU-PR-Package: emacs Original-Received: via spool by 44486-submit@debbugs.gnu.org id=B44486.160469324229747 (code B ref 44486); Fri, 06 Nov 2020 20:08:01 +0000 Original-Received: (at 44486) by debbugs.gnu.org; 6 Nov 2020 20:07:22 +0000 Original-Received: from localhost ([127.0.0.1]:57404 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kb813-0007jj-Mk for submit@debbugs.gnu.org; Fri, 06 Nov 2020 15:07:21 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:47084) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kb812-0007jX-3K for 44486@debbugs.gnu.org; Fri, 06 Nov 2020 15:07:20 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:45892) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kb80u-0000vO-Uf; Fri, 06 Nov 2020 15:07:12 -0500 Original-Received: from [176.228.60.248] (port=4040 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kb80t-00047n-RZ; Fri, 06 Nov 2020 15:07:12 -0500 In-Reply-To: <838sbe8nny.fsf@gnu.org> (message from Eli Zaretskii on Fri, 06 Nov 2020 18:17:53 +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:192798 Archived-At: > Date: Fri, 06 Nov 2020 18:17:53 +0200 > From: Eli Zaretskii > Cc: thievol@posteo.net, 44486@debbugs.gnu.org > > > Date: Fri, 06 Nov 2020 17:40:50 +0200 > > From: Eli Zaretskii > > Cc: thievol@posteo.net, 44486@debbugs.gnu.org > > > > Or set inhibit-nul-byte-detection to a non-nil value before > > reverting > > Actually, this doesn't seem to work, but it looks like a bug... We don't specify that prefer-utf-8, which is used by default for *.el files, should heed this variable. Since prefer-utf-8 is a variant of 'undecided', i.e. it performs detection of encoding, I think this is a bug, because 'undecided' does pay attention to inhibit-null-byte-detection. So I propose the change below (for master). Any objections? diff --git a/lisp/international/mule-conf.el b/lisp/international/mule-conf.el index e6e6135..16cd8cf 100644 --- a/lisp/international/mule-conf.el +++ b/lisp/international/mule-conf.el @@ -1251,7 +1251,9 @@ 'prefer-utf-8 :coding-type 'undecided :mnemonic ?- :charset-list '(emacs) - :prefer-utf-8 t) + :prefer-utf-8 t + :inhibit-null-byte-detection 0 + :inhibit-iso-escape-detection 0) (define-coding-system 'raw-text "Raw text, which means text contains random 8-bit codes.