From unknown Thu Aug 14 22:22:02 2025 X-Loop: help-debbugs@gnu.org Subject: bug#18786: (error "Attempt to modify read-only object" (("\\.txz\\'" . tar-mode))) on adding mode Resent-From: Boyan Penkov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 21 Oct 2014 13:42:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 18786 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 18786@debbugs.gnu.org X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.14138988978018 (code B ref -1); Tue, 21 Oct 2014 13:42:02 +0000 Received: (at submit) by debbugs.gnu.org; 21 Oct 2014 13:41:37 +0000 Received: from localhost ([127.0.0.1]:57953 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XgZgu-00025F-5Q for submit@debbugs.gnu.org; Tue, 21 Oct 2014 09:41:36 -0400 Received: from eggs.gnu.org ([208.118.235.92]:60721) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XgZaC-0001u1-3K for submit@debbugs.gnu.org; Tue, 21 Oct 2014 09:34:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XgZa1-00046a-S5 for submit@debbugs.gnu.org; Tue, 21 Oct 2014 09:34:34 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,FREEMAIL_FROM, T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:57781) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XgZa1-00046O-Om for submit@debbugs.gnu.org; Tue, 21 Oct 2014 09:34:29 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34169) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XgZZw-000362-OX for bug-gnu-emacs@gnu.org; Tue, 21 Oct 2014 09:34:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XgZZr-00044l-VY for bug-gnu-emacs@gnu.org; Tue, 21 Oct 2014 09:34:24 -0400 Received: from mail-qa0-x22e.google.com ([2607:f8b0:400d:c00::22e]:49600) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XgZZr-00043G-Sa for bug-gnu-emacs@gnu.org; Tue, 21 Oct 2014 09:34:19 -0400 Received: by mail-qa0-f46.google.com with SMTP id s7so399519qap.5 for ; Tue, 21 Oct 2014 06:34:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:content-transfer-encoding:subject:message-id:date :to:mime-version; bh=4MdABq7iCOdS1AB6evMaDrjA46ncFVeERo6ZJICsmsQ=; b=Kev7h2vTUem5zs9j01aq8o9b+A2HZBPT66X/RF13VWeQzEZ9qKq47vOLEJObbZyXNu kSIB6VQXeMJlA4ym/pOWA3jB4k0jLlN7WCXoiV9x3xkqZu9W+p2OcVhSfvkRuJMZp3iR 24lWaDMI08b+E2D5QX1drkiE9JipuLQqTwp0zJpogw7v7HKUK7V1Z7G1I7e5ZK9gzwoy UUauEtfeL/b2mmf44+eEwDjJAuIAa4kZKi6TjtJypRvMO/agzga4TsjGaQz9WF8ppG6L +7BZ2ICgkbTLThNYcUBi3vyZ77FeJ4Q8bX5F6Ow46ZOsxKqARLxD/FwApmtlFAL76Shc HugA== X-Received: by 10.140.41.39 with SMTP id y36mr43415756qgy.64.1413898454533; Tue, 21 Oct 2014 06:34:14 -0700 (PDT) Received: from dyn-128-59-87-23.dyn.columbia.edu (dyn-128-59-87-23.dyn.columbia.edu. [128.59.87.23]) by mx.google.com with ESMTPSA id a3sm10681282qaa.49.2014.10.21.06.34.13 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 21 Oct 2014 06:34:14 -0700 (PDT) From: Boyan Penkov Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Message-Id: <8E165C5B-40DE-437D-A76C-D1B5CDE44318@gmail.com> Date: Tue, 21 Oct 2014 09:34:10 -0400 Mime-Version: 1.0 (Mac OS X Mail 8.0 \(1990.1\)) X-Mailer: Apple Mail (2.1990.1) X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-Mailman-Approved-At: Tue, 21 Oct 2014 09:41:34 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.0 (----) Hey folks, I have a bunch of stuff like:=20 (nconc auto-mode-alist '(("\\.ctl" . scheme-mode)))) in my .emacs. =20 When I launch emacs, the complaint is: error: Attempt to modify read-only object, ((\.txz\' . tar-mode)) Clearing all the auto-mode-alist additions clears this error, by pulling = them out of the .emacs. Can anybody explain what is going on? This has emerged after upgrading last night to 24.4 using both = http://emacsformacosx.com/ and compiling for myself via homebrew. I=E2=80= =99m on Mac OS 10.10 Yosemite. Please let me know how to help debug this. Cheers! -- Boyan Penkov www.boyanpenkov.com From unknown Thu Aug 14 22:22:02 2025 X-Loop: help-debbugs@gnu.org Subject: bug#18786: (error "Attempt to modify read-only object" (("\\.txz\\'" . tar-mode))) on adding mode Resent-From: Andreas Schwab Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 21 Oct 2014 15:21:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18786 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Boyan Penkov Cc: 18786@debbugs.gnu.org Received: via spool by 18786-submit@debbugs.gnu.org id=B18786.141390480718885 (code B ref 18786); Tue, 21 Oct 2014 15:21:01 +0000 Received: (at 18786) by debbugs.gnu.org; 21 Oct 2014 15:20:07 +0000 Received: from localhost ([127.0.0.1]:58684 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XgbEE-0004uW-PZ for submit@debbugs.gnu.org; Tue, 21 Oct 2014 11:20:07 -0400 Received: from cantor2.suse.de ([195.135.220.15]:32810 helo=mx2.suse.de) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XgbEC-0004uI-R5 for 18786@debbugs.gnu.org; Tue, 21 Oct 2014 11:20:05 -0400 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 9A1A3ACD9; Tue, 21 Oct 2014 15:20:03 +0000 (UTC) From: Andreas Schwab References: <8E165C5B-40DE-437D-A76C-D1B5CDE44318@gmail.com> X-Yow: An INK-LING? Sure -- TAKE one!! Did you BUY any COMMUNIST UNIFORMS?? Date: Tue, 21 Oct 2014 17:20:03 +0200 In-Reply-To: <8E165C5B-40DE-437D-A76C-D1B5CDE44318@gmail.com> (Boyan Penkov's message of "Tue, 21 Oct 2014 09:34:10 -0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -6.4 (------) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -6.4 (------) Boyan Penkov writes: > I have a bunch of stuff like: > > (nconc auto-mode-alist '(("\\.ctl" . scheme-mode)))) > > in my .emacs. Don't use destructive functions unless you know what you are doing. Andreas. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different." From unknown Thu Aug 14 22:22:02 2025 X-Loop: help-debbugs@gnu.org Subject: bug#18786: (error "Attempt to modify read-only object" (("\\.txz\\'" . tar-mode))) on adding mode Resent-From: Boyan Penkov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 21 Oct 2014 15:47:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18786 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Andreas Schwab Cc: 18786@debbugs.gnu.org Received: via spool by 18786-submit@debbugs.gnu.org id=B18786.141390641123360 (code B ref 18786); Tue, 21 Oct 2014 15:47:01 +0000 Received: (at 18786) by debbugs.gnu.org; 21 Oct 2014 15:46:51 +0000 Received: from localhost ([127.0.0.1]:58719 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xgbe7-00064h-BQ for submit@debbugs.gnu.org; Tue, 21 Oct 2014 11:46:51 -0400 Received: from mail-qc0-f182.google.com ([209.85.216.182]:42532) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xgbe5-00064O-KP for 18786@debbugs.gnu.org; Tue, 21 Oct 2014 11:46:50 -0400 Received: by mail-qc0-f182.google.com with SMTP id i17so1165181qcy.13 for <18786@debbugs.gnu.org>; Tue, 21 Oct 2014 08:46:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=content-type:mime-version:subject:from:in-reply-to:date:cc :message-id:references:to; bh=Rn76A5WmT5y+MA9INq1ZDr2D0kkIHn/JiXyhlwKwN6k=; b=MGDwaDgpY05bHisWgjILV81dDGx2QbkP82mfNtABDvS5UT3bOJVXZaQfMT73N5lI+G ImeEsXiTpuclyAgNSMbFM1zrQaTFfJNXWiFcPbcw7WBSjOASnAINcEtpFPXcJQzUCWmF tKGL8TraOzx+iRFhJs13eVk0yNt4i0MWac+GieKiwSPmWcX2gAWwJhLlf5KEg6jrYH/X 5r4TgsLbARAflwojKwZKbOykDBWmr8v36YgkJZXBZ39+zkbLmnPkMXkCbk41UeUpBUX8 PY1XAkVg7nhMZX1b7khrIJNXa5nEoMz/UWzSlLjkgj0FfKP2zP3rCRCPtzK57V2e8Eap H1jw== X-Received: by 10.224.74.135 with SMTP id u7mr1134730qaj.41.1413906402845; Tue, 21 Oct 2014 08:46:42 -0700 (PDT) Received: from dyn-128-59-87-23.dyn.columbia.edu ([128.59.87.23]) by mx.google.com with ESMTPSA id e8sm10982710qai.33.2014.10.21.08.46.42 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 21 Oct 2014 08:46:42 -0700 (PDT) Content-Type: multipart/alternative; boundary="Apple-Mail=_22E168C5-9FBA-4FED-A910-04DF06C3ECD6" Mime-Version: 1.0 (Mac OS X Mail 8.0 \(1990.1\)) From: Boyan Penkov In-Reply-To: Date: Tue, 21 Oct 2014 11:46:34 -0400 Message-Id: <6C2D7F95-45CD-460B-84F5-11AF84D3DDCD@gmail.com> References: <8E165C5B-40DE-437D-A76C-D1B5CDE44318@gmail.com> X-Mailer: Apple Mail (2.1990.1) X-Spam-Score: -0.7 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.7 (/) --Apple-Mail=_22E168C5-9FBA-4FED-A910-04DF06C3ECD6 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 -- Boyan Penkov www.boyanpenkov.com > On Oct 21, 2014, at 11:20 AM, Andreas Schwab wrote: >=20 > Boyan Penkov writes: >=20 >> I have a bunch of stuff like:=20 >>=20 >> (nconc auto-mode-alist '(("\\.ctl" . scheme-mode)))) >>=20 >> in my .emacs. =20 >=20 > Don't use destructive functions unless you know what you are doing. Yeah, predictably, emacs is fine and I=E2=80=99m the idiot: nconc=E2=80=99= s have been replaced with add-to-list, documentation read and lesson = learned. Thanks for the pointer! >=20 > Andreas. >=20 > --=20 > Andreas Schwab, SUSE Labs, schwab@suse.de > GPG Key fingerprint =3D 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA = B9D7 > "And now for something completely different." --Apple-Mail=_22E168C5-9FBA-4FED-A910-04DF06C3ECD6 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
--
Boyan Penkov
www.boyanpenkov.com

On Oct 21, 2014, at 11:20 AM, Andreas Schwab <schwab@suse.de> = wrote:

Boyan = Penkov <boyan.penkov@gmail.com> writes:

I have a bunch of stuff = like:

   (nconc = auto-mode-alist '(("\\.ctl" . = scheme-mode))))

in my .emacs.  

Don't use destructive functions = unless you know what you are doing.

Yeah, = predictably, emacs is fine and I=E2=80=99m the idiot: nconc=E2=80=99s = have been replaced with add-to-list, documentation read and lesson = learned.

Thanks for the = pointer!


Andreas.

--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint =3D 0196 = BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And = now for something completely different."

= --Apple-Mail=_22E168C5-9FBA-4FED-A910-04DF06C3ECD6-- From unknown Thu Aug 14 22:22:02 2025 X-Loop: help-debbugs@gnu.org Subject: bug#18786: (error "Attempt to modify read-only object" (("\\.txz\\'" . tar-mode))) on adding mode Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 21 Oct 2014 16:40:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18786 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Boyan Penkov Cc: 18786@debbugs.gnu.org Received: via spool by 18786-submit@debbugs.gnu.org id=B18786.141390958029586 (code B ref 18786); Tue, 21 Oct 2014 16:40:02 +0000 Received: (at 18786) by debbugs.gnu.org; 21 Oct 2014 16:39:40 +0000 Received: from localhost ([127.0.0.1]:58763 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XgcTD-0007h6-JV for submit@debbugs.gnu.org; Tue, 21 Oct 2014 12:39:39 -0400 Received: from pruche.dit.umontreal.ca ([132.204.246.22]:47346) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XgcTB-0007gp-21 for 18786@debbugs.gnu.org; Tue, 21 Oct 2014 12:39:37 -0400 Received: from ceviche.home (lechon.iro.umontreal.ca [132.204.27.242]) by pruche.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id s9LGdZYp029079; Tue, 21 Oct 2014 12:39:36 -0400 Received: by ceviche.home (Postfix, from userid 20848) id C04F2660D6; Tue, 21 Oct 2014 12:39:40 -0400 (EDT) From: Stefan Monnier Message-ID: References: <8E165C5B-40DE-437D-A76C-D1B5CDE44318@gmail.com> Date: Tue, 21 Oct 2014 12:39:40 -0400 In-Reply-To: <8E165C5B-40DE-437D-A76C-D1B5CDE44318@gmail.com> (Boyan Penkov's message of "Tue, 21 Oct 2014 09:34:10 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-NAI-Spam-Flag: NO X-NAI-Spam-Level: X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0.2 X-NAI-Spam-Rules: 2 Rules triggered GEN_SPAM_FEATRE=0.2, RV5101=0 X-NAI-Spam-Version: 2.3.0.9378 : core <5101> : inlines <1416> : streams <1322613> : uri <1827315> X-Spam-Score: -2.8 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.8 (--) > (nconc auto-mode-alist '(("\\.ctl" . scheme-mode)))) Try (add-to-list 'auto-mode-alist '("\\.ctl\\'" . scheme-mode)) -- Stefan From unknown Thu Aug 14 22:22:02 2025 MIME-Version: 1.0 X-Mailer: MIME-tools 5.503 (Entity 5.503) X-Loop: help-debbugs@gnu.org From: help-debbugs@gnu.org (GNU bug Tracking System) To: Boyan Penkov Subject: bug#18786: closed (Re: bug#18786: (error "Attempt to modify read-only object" (("\\.txz\\'" . tar-mode))) on adding mode) Message-ID: References: <8E165C5B-40DE-437D-A76C-D1B5CDE44318@gmail.com> X-Gnu-PR-Message: they-closed 18786 X-Gnu-PR-Package: emacs Reply-To: 18786@debbugs.gnu.org Date: Tue, 21 Oct 2014 18:03:02 +0000 Content-Type: multipart/mixed; boundary="----------=_1413914582-6391-1" This is a multi-part message in MIME format... ------------=_1413914582-6391-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your bug report #18786: (error "Attempt to modify read-only object" (("\\.txz\\'" . tar-mod= e))) on adding mode which was filed against the emacs package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 18786@debbugs.gnu.org. --=20 18786: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D18786 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems ------------=_1413914582-6391-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at 18786-done) by debbugs.gnu.org; 21 Oct 2014 18:02:46 +0000 Received: from localhost ([127.0.0.1]:58790 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xgdle-0001ee-4z for submit@debbugs.gnu.org; Tue, 21 Oct 2014 14:02:46 -0400 Received: from ironport2-out.teksavvy.com ([206.248.154.181]:61731) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Xgdlb-0001eI-Ky for 18786-done@debbugs.gnu.org; Tue, 21 Oct 2014 14:02:44 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArUGAIDvNVNFpY87/2dsb2JhbABZgwaDSsA9gRcXdIIlAQEBAQIBVigLCzQHCxQYDYgoCNIZF48BFoQiBKkZgWqBcYFbIQ X-IPAS-Result: ArUGAIDvNVNFpY87/2dsb2JhbABZgwaDSsA9gRcXdIIlAQEBAQIBVigLCzQHCxQYDYgoCNIZF48BFoQiBKkZgWqBcYFbIQ X-IronPort-AV: E=Sophos;i="4.97,753,1389762000"; d="scan'208";a="94755012" Received: from 69-165-143-59.dsl.teksavvy.com (HELO pastel.home) ([69.165.143.59]) by ironport2-out.teksavvy.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 21 Oct 2014 14:02:37 -0400 Received: by pastel.home (Postfix, from userid 20848) id 83DF44820; Tue, 21 Oct 2014 14:02:37 -0400 (EDT) From: Stefan Monnier To: 18786-done@debbugs.gnu.org Subject: Re: bug#18786: (error "Attempt to modify read-only object" (("\\.txz\\'" . tar-mode))) on adding mode Message-ID: References: <8E165C5B-40DE-437D-A76C-D1B5CDE44318@gmail.com> <9D69294C-9454-4E64-90A8-90AA7FAD076B@gmail.com> Date: Tue, 21 Oct 2014 14:02:37 -0400 In-Reply-To: <9D69294C-9454-4E64-90A8-90AA7FAD076B@gmail.com> (Boyan Penkov's message of "Tue, 21 Oct 2014 12:40:24 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.3 (/) X-Debbugs-Envelope-To: 18786-done X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 0.3 (/) > Thanks for the pointer! You're welcome, closed, Stefan ------------=_1413914582-6391-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at submit) by debbugs.gnu.org; 21 Oct 2014 13:41:37 +0000 Received: from localhost ([127.0.0.1]:57953 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XgZgu-00025F-5Q for submit@debbugs.gnu.org; Tue, 21 Oct 2014 09:41:36 -0400 Received: from eggs.gnu.org ([208.118.235.92]:60721) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XgZaC-0001u1-3K for submit@debbugs.gnu.org; Tue, 21 Oct 2014 09:34:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XgZa1-00046a-S5 for submit@debbugs.gnu.org; Tue, 21 Oct 2014 09:34:34 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,FREEMAIL_FROM, T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:57781) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XgZa1-00046O-Om for submit@debbugs.gnu.org; Tue, 21 Oct 2014 09:34:29 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34169) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XgZZw-000362-OX for bug-gnu-emacs@gnu.org; Tue, 21 Oct 2014 09:34:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XgZZr-00044l-VY for bug-gnu-emacs@gnu.org; Tue, 21 Oct 2014 09:34:24 -0400 Received: from mail-qa0-x22e.google.com ([2607:f8b0:400d:c00::22e]:49600) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XgZZr-00043G-Sa for bug-gnu-emacs@gnu.org; Tue, 21 Oct 2014 09:34:19 -0400 Received: by mail-qa0-f46.google.com with SMTP id s7so399519qap.5 for ; Tue, 21 Oct 2014 06:34:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:content-transfer-encoding:subject:message-id:date :to:mime-version; bh=4MdABq7iCOdS1AB6evMaDrjA46ncFVeERo6ZJICsmsQ=; b=Kev7h2vTUem5zs9j01aq8o9b+A2HZBPT66X/RF13VWeQzEZ9qKq47vOLEJObbZyXNu kSIB6VQXeMJlA4ym/pOWA3jB4k0jLlN7WCXoiV9x3xkqZu9W+p2OcVhSfvkRuJMZp3iR 24lWaDMI08b+E2D5QX1drkiE9JipuLQqTwp0zJpogw7v7HKUK7V1Z7G1I7e5ZK9gzwoy UUauEtfeL/b2mmf44+eEwDjJAuIAa4kZKi6TjtJypRvMO/agzga4TsjGaQz9WF8ppG6L +7BZ2ICgkbTLThNYcUBi3vyZ77FeJ4Q8bX5F6Ow46ZOsxKqARLxD/FwApmtlFAL76Shc HugA== X-Received: by 10.140.41.39 with SMTP id y36mr43415756qgy.64.1413898454533; Tue, 21 Oct 2014 06:34:14 -0700 (PDT) Received: from dyn-128-59-87-23.dyn.columbia.edu (dyn-128-59-87-23.dyn.columbia.edu. [128.59.87.23]) by mx.google.com with ESMTPSA id a3sm10681282qaa.49.2014.10.21.06.34.13 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 21 Oct 2014 06:34:14 -0700 (PDT) From: Boyan Penkov Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: (error "Attempt to modify read-only object" (("\\.txz\\'" . tar-mode))) on adding mode Message-Id: <8E165C5B-40DE-437D-A76C-D1B5CDE44318@gmail.com> Date: Tue, 21 Oct 2014 09:34:10 -0400 To: bug-gnu-emacs@gnu.org Mime-Version: 1.0 (Mac OS X Mail 8.0 \(1990.1\)) X-Mailer: Apple Mail (2.1990.1) X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Tue, 21 Oct 2014 09:41:34 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.0 (----) Hey folks, I have a bunch of stuff like:=20 (nconc auto-mode-alist '(("\\.ctl" . scheme-mode)))) in my .emacs. =20 When I launch emacs, the complaint is: error: Attempt to modify read-only object, ((\.txz\' . tar-mode)) Clearing all the auto-mode-alist additions clears this error, by pulling = them out of the .emacs. Can anybody explain what is going on? This has emerged after upgrading last night to 24.4 using both = http://emacsformacosx.com/ and compiling for myself via homebrew. I=E2=80= =99m on Mac OS 10.10 Yosemite. Please let me know how to help debug this. Cheers! -- Boyan Penkov www.boyanpenkov.com ------------=_1413914582-6391-1--