From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: grep: RE error in ^*** ADVICE-ON-FAILURE-: repetition-operator operand invalid Date: Sat, 19 Nov 2022 14:05:00 +0200 Message-ID: <83k03r880j.fsf@gnu.org> References: <87fsef9pms.fsf.ref@yahoo.com> <87fsef9pms.fsf@yahoo.com> <518ded72c3aa09fcd1c1@heytings.org> <518ded72c3008370099f@heytings.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="6818"; mail-complaints-to="usenet@ciao.gmane.io" Cc: mattiase@acm.org, luangruo@yahoo.com, emacs-devel@gnu.org To: Gregory Heytings Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Nov 19 13:05:08 2022 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1owMap-0001ZB-Js for ged-emacs-devel@m.gmane-mx.org; Sat, 19 Nov 2022 13:05:07 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1owMad-0004hO-VA; Sat, 19 Nov 2022 07:04:56 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1owMad-0004g2-0U for emacs-devel@gnu.org; Sat, 19 Nov 2022 07:04:55 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1owMac-0008Gm-ET; Sat, 19 Nov 2022 07:04:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=PrF84NB6Tr3yWsRIT60IhmT+o+JC3hrwKtJ4vuPsUS0=; b=WI93VCJrmD0q IP2VP8ZWaX6YQ1gLENVdQISFbSJce7Zy8dMlSP0OjP/AnMbvMFdzybcLjPIOVB1zeFLALkMPV4lKp o0WzF9zgKEWNngVseC8arzcqbi9jkg1crRa9xViBicWrtUiwI5xOG0u3Rjte5Eo2jpJgJGLak7udT 7/sGcywX9swKqnWeObtnrDiK35J1P0Hjgg1bkc6T1nkrOAT1mY1KA8IIzq/xpXXqTW09JjORbPsP/ a+Vue8gv2fZFSjb2GRESlm5+D1pRCk2cvmovMoBgSbTpcPEVKcK0PjwYIH9EvVZgpbbl/+cxafP2h kmD1YCfU8ScKuhp1bJXXDQ==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1owMab-000502-AC; Sat, 19 Nov 2022 07:04:53 -0500 In-Reply-To: <518ded72c3008370099f@heytings.org> (message from Gregory Heytings on Sat, 19 Nov 2022 11:49:26 +0000) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:300166 Archived-At: > Date: Sat, 19 Nov 2022 11:49:26 +0000 > From: Gregory Heytings > cc: Po Lu , emacs-devel@gnu.org > > > >> That seems like a problem with Sun grep, isn't it? > > > > No, it's a problem with the regexp > > > > I'm not sure, how comes that GNU grep does not complain and does the right > thing, even with POSIXLY_CORRECT? That's a feature in GNU Grep: it has extensions over the basic REs.