From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#10383: 24.0.91; (prefer-coding-system 'utf-8-with-signature) breaks the world Date: Wed, 28 Dec 2011 03:51:38 -0500 Message-ID: References: Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: dough.gmane.org 1325062353 23316 80.91.229.12 (28 Dec 2011 08:52:33 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 28 Dec 2011 08:52:33 +0000 (UTC) Cc: eric.hanchrow@gmail.com, 10383@debbugs.gnu.org To: Kenichi Handa Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Dec 28 09:52:28 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RfpFJ-0007AF-3g for geb-bug-gnu-emacs@m.gmane.org; Wed, 28 Dec 2011 09:52:25 +0100 Original-Received: from localhost ([::1]:42604 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RfpFI-0006eg-CF for geb-bug-gnu-emacs@m.gmane.org; Wed, 28 Dec 2011 03:52:24 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]:57994) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RfpFE-0006eS-7Q for bug-gnu-emacs@gnu.org; Wed, 28 Dec 2011 03:52:21 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RfpFC-0005YQ-V1 for bug-gnu-emacs@gnu.org; Wed, 28 Dec 2011 03:52:20 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:55425) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RfpFC-0005YK-Qu for bug-gnu-emacs@gnu.org; Wed, 28 Dec 2011 03:52:18 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1RfpHp-0005LO-LC for bug-gnu-emacs@gnu.org; Wed, 28 Dec 2011 03:55:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 28 Dec 2011 08:55:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 10383 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 10383-submit@debbugs.gnu.org id=B10383.132506246620499 (code B ref 10383); Wed, 28 Dec 2011 08:55:01 +0000 Original-Received: (at 10383) by debbugs.gnu.org; 28 Dec 2011 08:54:26 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RfpHF-0005Ka-LB for submit@debbugs.gnu.org; Wed, 28 Dec 2011 03:54:26 -0500 Original-Received: from fencepost.gnu.org ([140.186.70.10]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RfpHD-0005KT-Ic for 10383@debbugs.gnu.org; Wed, 28 Dec 2011 03:54:24 -0500 Original-Received: from eliz by fencepost.gnu.org with local (Exim 4.71) (envelope-from ) id 1RfpEY-00012c-F5; Wed, 28 Dec 2011 03:51:38 -0500 In-reply-to: (message from Kenichi Handa on Wed, 28 Dec 2011 17:07:43 +0900) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Wed, 28 Dec 2011 03:55:01 -0500 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:55240 Archived-At: > From: Kenichi Handa > Date: Wed, 28 Dec 2011 17:07:43 +0900 > Cc: 10383@debbugs.gnu.org > > By the way, as a result, now > > (prefer-coding-system 'utf-8-with-signature) > > does not change default-file-coding-system. I'm not sure > what is the intention of preferring utf-8-with-signature, > one may want default-file-coding-system be set to utf-8 in > such a case. But, doing that automatically is too > heuristic. How about making prefer-coding-system display a message suggesting that the user considers setting default-file-coding-system to utf-8? > Another possibility is that what actually wanted is such a coding as > utf-8-with-signature-on-decoding-only (i.e. on decoding, BOM is > recognized, but on encoding, don't produce BOM). If we can express this with current facilities, I'd say include that information in the above-mentioned message.