From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.devel Subject: Re: Text property searching Date: Tue, 17 Apr 2018 21:16:37 +0200 Message-ID: <87muy1iqy2.fsf@mouse.gnus.org> 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> <20180417191024.GA4739@ACM> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1523992553 23657 195.159.176.226 (17 Apr 2018 19:15:53 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 17 Apr 2018 19:15:53 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: =?utf-8?B?Sm/Do28gVMOhdm9yYQ==?= , emacs-devel To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 17 21:15:48 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 1f8W4y-00064z-Jc for ged-emacs-devel@m.gmane.org; Tue, 17 Apr 2018 21:15:48 +0200 Original-Received: from localhost ([::1]:57288 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f8W75-0002bR-Ay for ged-emacs-devel@m.gmane.org; Tue, 17 Apr 2018 15:17:59 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34953) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f8W5z-0002ZL-Mx for emacs-devel@gnu.org; Tue, 17 Apr 2018 15:16:52 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f8W5x-00078l-1r for emacs-devel@gnu.org; Tue, 17 Apr 2018 15:16:51 -0400 Original-Received: from hermes.netfonds.no ([80.91.224.195]:37251) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1f8W5w-000782-Qn for emacs-devel@gnu.org; Tue, 17 Apr 2018 15:16:48 -0400 Original-Received: from 46.67.12.60.tmi.telenormobil.no ([46.67.12.60] helo=corrigan) by hermes.netfonds.no with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1f8W5r-00076d-UY; Tue, 17 Apr 2018 21:16:46 +0200 Original-Received: from larsi by corrigan with local (Exim 4.89) (envelope-from ) id 1f8W5l-0002Ik-HQ; Tue, 17 Apr 2018 21:16:37 +0200 In-Reply-To: <20180417191024.GA4739@ACM> (Alan Mackenzie's message of "Tue, 17 Apr 2018 19:10:24 +0000") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 80.91.224.195 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:224709 Archived-At: Alan Mackenzie writes: > If you fail to do this, people will curse you. The functions, instead > of being correct, will merely be functions which sort-of work most of > the time. And the correct advice given to hackers wishing to write > correct programs would be to avoid the new functions altogether and use > the currently existing text property searching functions instead. But as the experiment shows, the new function (dis)regards the same subset of things (i.e., nil and the absence of a value) as the old functions. So that doesn't seem likely to happen. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no