From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.emacs.gnus.general/65691 Path: news.gmane.org!not-for-mail From: Kenichi Handa Newsgroups: gmane.emacs.devel,gmane.emacs.gnus.general Subject: Re: [Unicode-2] `read' always returns multibyte symbol Date: Fri, 16 Nov 2007 09:51:23 +0900 Message-ID: References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 (generated by SEMI 1.14.3 - "Ushinoya") Content-Type: text/plain; charset=US-ASCII X-Trace: ger.gmane.org 1195174337 14409 80.91.229.12 (16 Nov 2007 00:52:17 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 16 Nov 2007 00:52:17 +0000 (UTC) Cc: ding@gnus.org, emacs-devel@gnu.org To: Katsumi Yamaoka Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Nov 16 01:52:20 2007 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1IspRK-0004wE-Nd for ged-emacs-devel@m.gmane.org; Fri, 16 Nov 2007 01:52:11 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IspR7-0004Bi-RX for ged-emacs-devel@m.gmane.org; Thu, 15 Nov 2007 19:51:57 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1IspR4-00049c-EL for emacs-devel@gnu.org; Thu, 15 Nov 2007 19:51:54 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1IspR3-00047G-5E for emacs-devel@gnu.org; Thu, 15 Nov 2007 19:51:53 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1IspR3-000479-2L for emacs-devel@gnu.org; Thu, 15 Nov 2007 19:51:53 -0500 Original-Received: from mx1.aist.go.jp ([150.29.246.133]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1IspR2-0000cE-G2 for emacs-devel@gnu.org; Thu, 15 Nov 2007 19:51:53 -0500 Original-Received: from rqsmtp1.aist.go.jp (rqsmtp1.aist.go.jp [150.29.254.115]) by mx1.aist.go.jp with ESMTP id lAG0pckc010900; Fri, 16 Nov 2007 09:51:38 +0900 (JST) env-from (handa@m17n.org) Original-Received: from smtp1.aist.go.jp by rqsmtp1.aist.go.jp with ESMTP id lAG0pcjJ007368; Fri, 16 Nov 2007 09:51:38 +0900 (JST) env-from (handa@m17n.org) Original-Received: by smtp1.aist.go.jp with ESMTP id lAG0pNek026058; Fri, 16 Nov 2007 09:51:23 +0900 (JST) env-from (handa@m17n.org) Original-Received: from handa by etlken.m17n.org with local (Exim 4.67) (envelope-from ) id 1IspQZ-0005vM-Ho; Fri, 16 Nov 2007 09:51:23 +0900 In-reply-to: (message from Katsumi Yamaoka on Fri, 16 Nov 2007 08:31:49 +0900) User-Agent: SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.2 Emacs/23.0.60 (i686-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) X-detected-kernel: by monty-python.gnu.org: Solaris 8 (1) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:83300 gmane.emacs.gnus.general:65691 Archived-At: In article , Katsumi Yamaoka writes: > Oops. I misunderstood that the reason why Emacs 22 and 23 don't > break 8-bit data while they are being fed into a multibyte buffer > from a network process of which the process coding system is > binary. So, maybe the best ways for the present are still to > use a unibyte buffer for unibyte data and to use a multibyte > buffer for multibyte data. And use a string, not a buffer, to > encode and decode data if the multibyteness of data will change, > like: > (insert (prog1 > (decode-coding-string (buffer-string) 'coding) > (erase-buffer) > (set-buffer-multibyte t))) The best is to decide buffer's multibyteness just after it is created, and don't change the multibyteness later. --- Kenichi Handa handa@ni.aist.go.jp