From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Davis Herring" Newsgroups: gmane.emacs.devel Subject: Re: Possible problem with looking-back function Date: Wed, 18 Aug 2010 19:43:30 -0700 (PDT) Message-ID: <49933.130.55.132.107.1282185810.squirrel@webmail.lanl.gov> References: <4C6C85AD.1010500@ig.com.br> Reply-To: herring@lanl.gov NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: dough.gmane.org 1282185826 22963 80.91.229.12 (19 Aug 2010 02:43:46 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 19 Aug 2010 02:43:46 +0000 (UTC) Cc: GNU Emacs To: "Vinicius Jose Latorre" Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Aug 19 04:43:45 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 1Olv6X-0006Is-0R for ged-emacs-devel@m.gmane.org; Thu, 19 Aug 2010 04:43:45 +0200 Original-Received: from localhost ([127.0.0.1]:43943 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Olv6S-0001PC-6y for ged-emacs-devel@m.gmane.org; Wed, 18 Aug 2010 22:43:40 -0400 Original-Received: from [140.186.70.92] (port=60912 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Olv6M-0001P7-LL for emacs-devel@gnu.org; Wed, 18 Aug 2010 22:43:35 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Olv6L-0003su-LF for emacs-devel@gnu.org; Wed, 18 Aug 2010 22:43:34 -0400 Original-Received: from proofpoint1.lanl.gov ([204.121.3.25]:42506) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Olv6L-0003sk-9v for emacs-devel@gnu.org; Wed, 18 Aug 2010 22:43:33 -0400 Original-Received: from mailrelay2.lanl.gov (mailrelay2.lanl.gov [128.165.4.103]) by proofpoint1 (8.14.3/8.14.3) with ESMTP id o7J2hUEg023520; Wed, 18 Aug 2010 20:43:30 -0600 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by mailrelay2.lanl.gov (Postfix) with ESMTP id 3553E1A88788; Wed, 18 Aug 2010 20:43:30 -0600 (MDT) X-NIE-2-Virus-Scanner: amavisd-new at mailrelay2.lanl.gov Original-Received: from webmail1.lanl.gov (webmail1.lanl.gov [128.165.4.106]) by mailrelay2.lanl.gov (Postfix) with ESMTP id 1F4F01A88787; Wed, 18 Aug 2010 20:43:30 -0600 (MDT) Original-Received: by webmail1.lanl.gov (Postfix, from userid 48) id 1DA2E1CA80C4; Wed, 18 Aug 2010 20:43:30 -0600 (MDT) Original-Received: from 130.55.132.107 (SquirrelMail authenticated user 196434) by webmail.lanl.gov with HTTP; Wed, 18 Aug 2010 19:43:30 -0700 (PDT) In-Reply-To: <4C6C85AD.1010500@ig.com.br> User-Agent: SquirrelMail/1.4.8-5.el5_4.10.lanl3 X-Priority: 3 (Normal) Importance: Normal X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.0.10011, 1.0.148, 0.0.0000 definitions=2010-08-18_12:2010-08-18, 2010-08-18, 1970-01-01 signatures=0 X-detected-operating-system: by eggs.gnu.org: GNU/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:128859 Archived-At: > Shouldn't it return 1? The algorithm searches backward until it finds a position from which there is a match that extends to point. Doing more would be quadratic in the value of point (at least), so is considered too slow. Davis -- This product is sold by volume, not by mass. If it appears too dense or too sparse, it is because mass-energy conversion has occurred during shipping.