From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Drew Adams Newsgroups: gmane.emacs.help Subject: RE: `looking-back' strange warning Date: Thu, 1 Oct 2015 09:00:43 -0700 (PDT) Message-ID: <6524c81a-949c-40d1-b990-d214d6ee5b60@default> References: <560B9C7F.2060301@easy-emacs.de> <560CD7CE.4010404@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1443721726 18923 80.91.229.3 (1 Oct 2015 17:48:46 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 1 Oct 2015 17:48:46 +0000 (UTC) To: Dmitry Gutov , =?utf-8?B?QW5kcmVhcyBSw7ZobGVy?= , help-gnu-emacs Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Thu Oct 01 19:48:33 2015 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Zhhy4-00069y-HS for geh-help-gnu-emacs@m.gmane.org; Thu, 01 Oct 2015 19:48:32 +0200 Original-Received: from localhost ([::1]:54394 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zhhy3-0002mp-QG for geh-help-gnu-emacs@m.gmane.org; Thu, 01 Oct 2015 13:48:31 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56689) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZhgHw-0002RI-Oq for help-gnu-emacs@gnu.org; Thu, 01 Oct 2015 12:01:02 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZhgHs-0003Sk-9P for help-gnu-emacs@gnu.org; Thu, 01 Oct 2015 12:00:56 -0400 Original-Received: from userp1040.oracle.com ([156.151.31.81]:30271) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZhgHr-0003SB-CW for help-gnu-emacs@gnu.org; Thu, 01 Oct 2015 12:00:52 -0400 Original-Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id t91G0khC002510 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 1 Oct 2015 16:00:46 GMT Original-Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.13.8/8.13.8) with ESMTP id t91G0iNq009014 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Thu, 1 Oct 2015 16:00:45 GMT Original-Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id t91G0iBk014614; Thu, 1 Oct 2015 16:00:44 GMT In-Reply-To: <560CD7CE.4010404@yandex.ru> X-Priority: 3 X-Mailer: Oracle Beehive Extensions for Outlook 2.0.1.9 (901082) [OL 12.0.6691.5000 (x86)] X-Source-IP: aserv0022.oracle.com [141.146.126.234] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 156.151.31.81 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:107428 Archived-At: > It's a feature: calling `looking-back' without LIMIT is slow, don't do > that. The compiler is telling you that. No, it is "warning" you that there are 2-3 "required" arguments, which is p= atently false. This is a product bug, IMO. Wrong message. Letting you know how to improve performance or avoid slow performance is he= lpful information, but it is not a "warning" - there is no danger here. An= d there is only one required argument.