From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Text property searching Date: Mon, 16 Apr 2018 16:48:08 -0400 Message-ID: References: <87lgdo5bb3.fsf@mouse.gnus.org> <87in8r16b0.fsf@mouse.gnus.org> <87d0yz15a3.fsf@mouse.gnus.org> <87604r143y.fsf@mouse.gnus.org> <87604qx4tj.fsf@mouse.gnus.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1523911583 3054 195.159.176.226 (16 Apr 2018 20:46:23 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 16 Apr 2018 20:46:23 +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 Mon Apr 16 22:46:19 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 1f8B11-0000hy-2y for ged-emacs-devel@m.gmane.org; Mon, 16 Apr 2018 22:46:19 +0200 Original-Received: from localhost ([::1]:42883 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f8B37-0003Q5-O2 for ged-emacs-devel@m.gmane.org; Mon, 16 Apr 2018 16:48:29 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59476) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f8B30-0003Pq-V7 for emacs-devel@gnu.org; Mon, 16 Apr 2018 16:48:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f8B2w-0003Kd-5T for emacs-devel@gnu.org; Mon, 16 Apr 2018 16:48:23 -0400 Original-Received: from [195.159.176.226] (port=43072 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1f8B2v-0003Js-Tq for emacs-devel@gnu.org; Mon, 16 Apr 2018 16:48:18 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1f8B0l-0000Rf-Hy for emacs-devel@gnu.org; Mon, 16 Apr 2018 22:46:03 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 8 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:oz9KyodvYJlQ7YYPWr4YQAQozBU= 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: 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:224684 Archived-At: > This goes to 5, not to 2, so `next-single-property-change' doesn't seem > to consider a nil value to be different from a missing value, either. There are circumstances where the absence of a property is distinguished from a value nil for that property, but we try to keep this unusual. Stefan