From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#20623: XML and HTML files with encoding/charset="utf-8" declaration loose BOM; Coding system is reset from utf-8-with-signature to utf-8 on save Date: Fri, 22 May 2015 17:51:07 -0400 Message-ID: References: <555E2912.7060509@gmx.net> <83iobl67ao.fsf@gnu.org> <83iobk4oqm.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1432331543 10518 80.91.229.3 (22 May 2015 21:52:23 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 22 May 2015 21:52:23 +0000 (UTC) Cc: sledergerber@gmx.net, 20623@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri May 22 23:52:12 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YvurT-0006JT-Jr for geb-bug-gnu-emacs@m.gmane.org; Fri, 22 May 2015 23:52:11 +0200 Original-Received: from localhost ([::1]:36069 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YvurT-0006DT-14 for geb-bug-gnu-emacs@m.gmane.org; Fri, 22 May 2015 17:52:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49192) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YvurO-000696-1T for bug-gnu-emacs@gnu.org; Fri, 22 May 2015 17:52:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YvurK-0003DO-CZ for bug-gnu-emacs@gnu.org; Fri, 22 May 2015 17:52:05 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:43294) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YvurK-0003DK-9D for bug-gnu-emacs@gnu.org; Fri, 22 May 2015 17:52:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YvurK-0007RJ-2v for bug-gnu-emacs@gnu.org; Fri, 22 May 2015 17:52:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 22 May 2015 21:52:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20623 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 20623-submit@debbugs.gnu.org id=B20623.143233148228504 (code B ref 20623); Fri, 22 May 2015 21:52:01 +0000 Original-Received: (at 20623) by debbugs.gnu.org; 22 May 2015 21:51:22 +0000 Original-Received: from localhost ([127.0.0.1]:53269 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Yvuqe-0007Pd-Hp for submit@debbugs.gnu.org; Fri, 22 May 2015 17:51:21 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:35473) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Yvuqa-0007PB-01 for 20623@debbugs.gnu.org; Fri, 22 May 2015 17:51:17 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0CVDQA731xV/xaz+M5cgxCEAsEVh0sEAgKBPDsSAQEBAQEBAYEKQQWDXQEBAwFWIxALNAcLFBgNJIg3CM8jAQEBAQYBAQEBHos6hQUHhC0Fsz+BRSNhgQVVgVkigngBAQE X-IPAS-Result: A0CVDQA731xV/xaz+M5cgxCEAsEVh0sEAgKBPDsSAQEBAQEBAYEKQQWDXQEBAwFWIxALNAcLFBgNJIg3CM8jAQEBAQYBAQEBHos6hQUHhC0Fsz+BRSNhgQVVgVkigngBAQE X-IronPort-AV: E=Sophos;i="5.13,465,1427774400"; d="scan'208";a="121810799" Original-Received: from 206-248-179-22.dsl.teksavvy.com (HELO pastel.home) ([206.248.179.22]) by ironport2-out.teksavvy.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 22 May 2015 17:51:09 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 7EF2A24E2; Fri, 22 May 2015 17:51:07 -0400 (EDT) In-Reply-To: <83iobk4oqm.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 22 May 2015 18:26:57 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x 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:103072 Archived-At: >> > What would you expect Emacs to do instead? It just obeys the stated >> > encoding, which says nothing about the BOM. How can Emacs know when >> > to use utf-8 and when utf-8-with-signature? >> To the extent that Emacs has seen the BOM when opening the file, it >> would make sense for Emacs to try and preserve this detail. > It does. While there are cases where it does, this bug report is about a case where it doesn't, IIUC. Stefan