From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eric Abrahamsen Newsgroups: gmane.emacs.help Subject: Re: string-bytes and coding systems Date: Fri, 10 Mar 2017 08:37:32 -0800 Message-ID: <877f3xw0j7.fsf@ericabrahamsen.net> References: <87r327nyto.fsf@ericabrahamsen.net> <83tw72fnha.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1489163934 16407 195.159.176.226 (10 Mar 2017 16:38:54 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 10 Mar 2017 16:38:54 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Mar 10 17:38:49 2017 Return-path: Envelope-to: geh-help-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 1cmNYz-0003Ox-0t for geh-help-gnu-emacs@m.gmane.org; Fri, 10 Mar 2017 17:38:45 +0100 Original-Received: from localhost ([::1]:39822 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cmNZ5-0008Md-0y for geh-help-gnu-emacs@m.gmane.org; Fri, 10 Mar 2017 11:38:51 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48859) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cmNY7-0007zA-47 for help-gnu-emacs@gnu.org; Fri, 10 Mar 2017 11:37:54 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cmNXy-0001NS-Bs for help-gnu-emacs@gnu.org; Fri, 10 Mar 2017 11:37:45 -0500 Original-Received: from [195.159.176.226] (port=52010 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cmNXy-0001Mx-4F for help-gnu-emacs@gnu.org; Fri, 10 Mar 2017 11:37:42 -0500 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1cmNXp-0005ED-AV for help-gnu-emacs@gnu.org; Fri, 10 Mar 2017 17:37:33 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 13 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:HFQnBwJf3p2FDResFvJ45uYekAE= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.159.176.226 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:112517 Archived-At: Stefan Monnier writes: >>> When this text gets written to file it will also be encoded as >>> utf-8, ergo testing string lengths with `string-bytes' is going to >>> always produce the right results in the final file. >> I suggest to use filepos-to-bufferpos to find where to break text into >> lines. > > BTW, filepos-to-bufferpos uses string-bytes (or equivalent data, with > the same caveat for raw bytes) for utf-8 buffers ;-) Hmm, maybe it will be bindat.el after all! Or I'll just keep the current in-buffer string-bytes approach and wait for something to explode.