From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Richard Stallman Newsgroups: gmane.emacs.devel Subject: Re: using empty_string as the only "" string Date: Sat, 28 Apr 2007 00:06:54 -0400 Message-ID: References: <462EE947.000007.15251@camay.yandex.ru> <4630A339.7000005@yandex.ru> <4631CA91.9020806@yandex.ru> Reply-To: rms@gnu.org NNTP-Posting-Host: lo.gmane.org Content-Type: text/plain; charset=ISO-8859-15 X-Trace: sea.gmane.org 1177733451 16991 80.91.229.12 (28 Apr 2007 04:10:51 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Sat, 28 Apr 2007 04:10:51 +0000 (UTC) Cc: , emacs-devel@gnu.org To: Dmitry Antipov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Apr 28 06:10:50 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 1HheGl-0000hN-5r for ged-emacs-devel@m.gmane.org; Sat, 28 Apr 2007 06:10:47 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HheMf-0004sj-S4 for ged-emacs-devel@m.gmane.org; Sat, 28 Apr 2007 00:16:53 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HheLc-00044D-9H for emacs-devel@gnu.org; Sat, 28 Apr 2007 00:15:48 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HheLb-00043Y-Ki for emacs-devel@gnu.org; Sat, 28 Apr 2007 00:15:47 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HheLb-00043B-FU for emacs-devel@gnu.org; Sat, 28 Apr 2007 00:15:47 -0400 Original-Received: from fencepost.gnu.org ([199.232.76.164]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1HheFg-0007F1-1W for emacs-devel@gnu.org; Sat, 28 Apr 2007 00:09:40 -0400 Original-Received: from rms by fencepost.gnu.org with local (Exim 4.60) (envelope-from ) id 1HheD0-0000zs-KO; Sat, 28 Apr 2007 00:06:54 -0400 In-reply-to: <4631CA91.9020806@yandex.ru> (message from Dmitry Antipov on Fri, 27 Apr 2007 14:04:01 +0400) X-detected-kernel: Linux 2.6, seldom 2.4 (older, 4) 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:70299 Archived-At: Is it possible that STRING_INTERVALS(s) is not NULL if 's' is an empty string, unibyte or multibyte ? I believe no (at least, 'set-text-properties' can't attach properties to empty string). Text properties are attached to characters. A null string has no characters so it cannot have properties.