From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Inconsistencies regarding nil coding-system Date: Tue, 14 Dec 2010 06:00:50 +0200 Message-ID: <83r5dlgg0d.fsf@gnu.org> References: <83aakcvbtp.fsf@gnu.org> <834oahiute.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: dough.gmane.org 1292299267 10573 80.91.229.12 (14 Dec 2010 04:01:07 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 14 Dec 2010 04:01:07 +0000 (UTC) Cc: emacs-devel@gnu.org To: Kenichi Handa Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Dec 14 05:01:03 2010 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 4.69) (envelope-from ) id 1PSM4U-0001GD-Sa for ged-emacs-devel@m.gmane.org; Tue, 14 Dec 2010 05:01:03 +0100 Original-Received: from localhost ([127.0.0.1]:33091 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PSM4U-0003az-BS for ged-emacs-devel@m.gmane.org; Mon, 13 Dec 2010 23:01:02 -0500 Original-Received: from [140.186.70.92] (port=49678 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PSM4O-0003ai-15 for emacs-devel@gnu.org; Mon, 13 Dec 2010 23:00:58 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PSM4K-00055f-GL for emacs-devel@gnu.org; Mon, 13 Dec 2010 23:00:55 -0500 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:49699) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PSM4K-00054j-7A for emacs-devel@gnu.org; Mon, 13 Dec 2010 23:00:52 -0500 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0LDE00H00GG4LB00@a-mtaout22.012.net.il> for emacs-devel@gnu.org; Tue, 14 Dec 2010 06:00:49 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([84.229.167.122]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0LDE00HNZGHCA2D0@a-mtaout22.012.net.il>; Tue, 14 Dec 2010 06:00:49 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 (beta) 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:133674 Archived-At: > From: Kenichi Handa > Cc: emacs-devel@gnu.org > Date: Tue, 14 Dec 2010 10:41:18 +0900 > > > What would be a situation where it's inappropriate to interpret nil as > > undecided? > > For instance, coding-system-for-read being bound to nil and > to `undecided' have different meanings. You mean that `undecided' bypasses the various preferences? If not, then what's the difference between `undecided' and nil in this case?