From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stephen Berman Newsgroups: gmane.emacs.devel Subject: What is a preferred charset? Date: Wed, 21 Nov 2018 15:55:32 +0100 Message-ID: <87zhu24h0b.fsf@gmx.net> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1542812109 6964 195.159.176.226 (21 Nov 2018 14:55:09 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 21 Nov 2018 14:55:09 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Nov 21 15:55:05 2018 Return-path: Envelope-to: ged-emacs-devel@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 1gPTuD-0001hB-HO for ged-emacs-devel@m.gmane.org; Wed, 21 Nov 2018 15:55:05 +0100 Original-Received: from localhost ([::1]:39616 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gPTwJ-0007ff-OA for ged-emacs-devel@m.gmane.org; Wed, 21 Nov 2018 09:57:15 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39289) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gPTuk-0007Av-H1 for emacs-devel@gnu.org; Wed, 21 Nov 2018 09:55:39 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gPTuh-0005Jy-BJ for emacs-devel@gnu.org; Wed, 21 Nov 2018 09:55:38 -0500 Original-Received: from mout.gmx.net ([212.227.15.18]:41641) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gPTuh-0005Ic-2P for emacs-devel@gnu.org; Wed, 21 Nov 2018 09:55:35 -0500 Original-Received: from rosalinde ([178.6.147.239]) by mail.gmx.com (mrgmx003 [212.227.17.190]) with ESMTPSA (Nemesis) id 0LhOvA-1fdAay35Rg-00mepG for ; Wed, 21 Nov 2018 15:55:32 +0100 X-Provags-ID: V03:K1:KW5U8xJ7rG+bz9b9pHcBnnLyCOMP25EeljqZh0+bj7Qoa4ztIjz hpRwq5YaZxK8zHAyHbH0xuc6YNJb0JGg+UsIG94eqz4pKsGmPrPAtNKrrqDPEL4ZyTmPOk+ 7H/EzCjh1qPWg+cxp743j6PALYfbV8a1YLzqiYG2p1mbBP4t4UaAhgfatMOLV5DlxSb5EF7 cmtqoLY+DWI+YxcJZuXIg== X-UI-Out-Filterresults: notjunk:1;V03:K0:4HbEwTq/j/8=:mgYUB7KhSvBUUq4jgZRFGN AVDdoBMmV1ZfgowP1SsWivZw0e110bPhi27a/ZFrbvshiyx1U9mxuA2jufyLzGZlSzZWupYxE sFI4tpV+FYsbEAB/xS7HqrxuAXwyObG5pcDYJ+yb32nPFMLqDMzijHXJOPRstF5Bwl3UlPyV5 zbIeCecHdMRLUaf4JjliRNQFh8z0CYHd45Bpk+b3HDpntGggSnALmVDnhyFlgwUw27VlxcIdc 310KGpe7QP4EPx1F8zcFPBISqZNp2s0QNadTzkm4cOhIVsS7YTMC4d8MZDt1v+R+j32ZcFUXt nUKzA2ZdjtxNxwEfjksuNM9Jax+7GVvzNDnGgQESAjU8ITdK/cTW7IXGNZ9mdR/0hL5A4UexQ uJzo16HdtpmQ9HoZD4kxF3akD9mCxAbYo66D4l94yOMJhweIeMJ23fYrslD469NPOcI2eI8M1 4iS+Jx9ZPHNWg6AJ6yqvH5/nEovH3St/H4X59yMNUt+U0LyuC8rw93o4OEWPSjfMqWZTnIyBv yY61MTg6bmcYVFv1xGPUikKnyobu1rg78V74PIQ8aVQA7ERlV/jnRUi0IWH8bphWfC3Po0vpq 5JUEY1BjMwHYVCSg9i8d3qrwq5Q4nv8+PmzBYhR/4xASqjnPO3dtuyYQMKcMLxDMzZ6lddyFF EuayT/a8Nf7gFFS5cZvwptiWj6489WXhtxXAKOH2R0DvPBz+8wkZBjA/J6ZxgIWexP60akoLL Y9l2AIxYdUgCJ5ySsma4WsK7kyEzL0F/+ECs3jBjaecLAFyikYbhnpbafRnrbQVPY+29zdvL X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.227.15.18 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:231287 Archived-At: The discussion in bug#33445 made me realize that I don't know what distinguishes a preferred charset from other charsets and why this term is used in `describe-char' (and no where else in Emacs that I could find, aside from a comment in lisp/org/ox-ascii.el). For example, etc/HELLO uses the non-standard text/enriched annotation "x-charset" to make `describe-char' show "latin-iso8859-1" as the preferred charset of INVERTED EXCLAMATION MARK (#xa1), whereas when I use `C-x 8' to enter that character in a buffer `describe-char' says its preferred charset is "unicode". Why are there different preferred charsets in these cases and what's the significance and use of that difference in general, and should it be documented? Steve Berman