From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#29422: 27.0.50; Symbol enable-multibyte-characters may not be buffer-local Date: Sat, 25 Nov 2017 19:19:15 +0200 Message-ID: <834lpi8eek.fsf@gnu.org> References: <87vai0w1mt.fsf@web.de> <87y3mvxibw.fsf@web.de> <83h8ti94le.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1511630422 29093 195.159.176.226 (25 Nov 2017 17:20:22 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 25 Nov 2017 17:20:22 +0000 (UTC) Cc: michael_heerdegen@web.de, 29422@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Nov 25 18:20:15 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eIe7e-0006kR-7L for geb-bug-gnu-emacs@m.gmane.org; Sat, 25 Nov 2017 18:20:10 +0100 Original-Received: from localhost ([::1]:53859 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eIe7j-0004Nt-Q6 for geb-bug-gnu-emacs@m.gmane.org; Sat, 25 Nov 2017 12:20:15 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40241) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eIe7a-0004Mx-CK for bug-gnu-emacs@gnu.org; Sat, 25 Nov 2017 12:20:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eIe7W-000686-Eh for bug-gnu-emacs@gnu.org; Sat, 25 Nov 2017 12:20:06 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:49438) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eIe7W-000682-Ad for bug-gnu-emacs@gnu.org; Sat, 25 Nov 2017 12:20:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1eIe7W-00065B-2r for bug-gnu-emacs@gnu.org; Sat, 25 Nov 2017 12:20:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 25 Nov 2017 17:20:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 29422 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 29422-submit@debbugs.gnu.org id=B29422.151163039123271 (code B ref 29422); Sat, 25 Nov 2017 17:20:02 +0000 Original-Received: (at 29422) by debbugs.gnu.org; 25 Nov 2017 17:19:51 +0000 Original-Received: from localhost ([127.0.0.1]:58119 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eIe7L-00063F-GW for submit@debbugs.gnu.org; Sat, 25 Nov 2017 12:19:51 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:49198) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eIe7J-000625-Uz for 29422@debbugs.gnu.org; Sat, 25 Nov 2017 12:19:50 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eIe7A-0005wn-Re for 29422@debbugs.gnu.org; Sat, 25 Nov 2017 12:19:44 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:59521) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eIe7A-0005wj-OI; Sat, 25 Nov 2017 12:19:40 -0500 Original-Received: from [176.228.60.248] (port=4346 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1eIe78-0002tl-Ur; Sat, 25 Nov 2017 12:19:40 -0500 In-reply-to: (message from Stefan Monnier on Sat, 25 Nov 2017 11:47:25 -0500) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:140362 Archived-At: > From: Stefan Monnier > Cc: Michael Heerdegen , 29422@debbugs.gnu.org > Date: Sat, 25 Nov 2017 11:47:25 -0500 > > > Yes, but signaling "Setting constant" when we actually mean a > > read-only symbol is sub-optimal, IMO. > > That's the error that we've been using for (setq > enable-multibyte-characters ...) since Emacs-21. ??? The code you changed signaled a "Symbol %s may not be buffer-local" error, not "Setting constant". What am I missing? > > How about inventing a new error symbol for these cases? > > I haven't found a situation where I needed to distinguish those two > error cases yet, so I don't see any need for that, but if you feel like > it, that's fine (tho better make that new error be a sub-error of > `setting-constant` so as not to break existing code). I meant for you to do that, as part of fixing this problem, but if you don't feel like it, we should at least change the ELisp manual, as it now contradicts the code.