From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: grep: RE error in ^*** ADVICE-ON-FAILURE-: repetition-operator operand invalid Date: Sat, 19 Nov 2022 20:00:16 +0800 Message-ID: <877czr9msv.fsf@yahoo.com> References: <87fsef9pms.fsf.ref@yahoo.com> <87fsef9pms.fsf@yahoo.com> <518ded72c3aa09fcd1c1@heytings.org> <87bkp39mxk.fsf@yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="26376"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: 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 13:00:55 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 1owMWk-0006mE-P1 for ged-emacs-devel@m.gmane-mx.org; Sat, 19 Nov 2022 13:00:54 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1owMWR-0002bO-PY; Sat, 19 Nov 2022 07:00:35 -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 1owMWL-0002a9-QK for emacs-devel@gnu.org; Sat, 19 Nov 2022 07:00:32 -0500 Original-Received: from sonic311-23.consmr.mail.ne1.yahoo.com ([66.163.188.204]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1owMWJ-00078J-2s for emacs-devel@gnu.org; Sat, 19 Nov 2022 07:00:28 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1668859224; bh=lWa88pG0bdNGXbfCi22sh9F/TytvOqAF/+KwaBbfh2U=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From:Subject:Reply-To; b=NmvG+NzyZAdZyKrYkMcH2bCFqKlSTl/I8uGnYfUw01wRxgV7XiRwgixcP80dSYj51KsBa/vb4e+mTNNZl8QX66muHcrpJlEaToBsV42wEfUpL78861Ydsm1bkpngvshlro/EmAe5rO618o8+Xxdb+S5UhibT6kDTYKb3kIFo7qFfjr933/wU03XIfM3rso3m3d/BhxqZDbJPI+7aacY7YuVT28c33scUhA9gvK1wgCeTI7pKYmhIFBHkT8cB0kUpVyKWOA6uQtKqtwQu198zPcxKRHWZapNYZNGjdqtQpzpOY2XS6BFVj4VMbunoRcqklAMWl/gf/bSmzuKIsW5oXg== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1668859224; bh=Z8R+TQUbzgUFeJQEftxYkE5kJ6iHNF5UGZ4spJDd5TN=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=KCw00+qOkpPm/QpfgGBTQtjJ9HKTWr39pH4CMp1iiSxKS6ZUw5MEJYgmdotQvFMHS1OeDsJ54EquGdVPaQUTkfm60hPRlyE96BnqkTtcB4DwxYwpN+04Fjm+p9jTapHjmehKQK3UImhmWzJswTxzFO/XbGI5OzVHg3W1QXFbbqCJO9z+0CCth2XTkiNfm9xC2dSqpEXs21XOkPRexFos6195aOF+6T+pnloL7L9D3buDLdFnOSwtyNSHGkLx3502uXBRv3J7ENeQSghCfFM22S+HiAaZGS2GQpO32jJdyJPlOjxzFe8B2Kg8g4rwcEAOofTGhc8AlurVctw9rpg+iA== X-YMail-OSG: utTIyXAVM1l3tkSoogSpQ4WtnrGzdF0gzTZGPmCyqGXAhw5Mbian1J8Kmq8cHmP PqKwxtDq4cdj.ggrLQy9ehoxJDGbcqrqtYA8Lk.pS7.THRwzwU5cen9DQ6H1dL80NA1M32RUSAqc Qg8CvAz5Bl4Zjzl_fw_p2uYaahPUSr1K_nH_tHyBvfJru0s5BIRvN6.VMFfTtmzw_Zo0zekQi91J 9ZMNaEOYS6iGSAS30Idp1pk7nBGhryW0_DlyVmpEITzMymcpuaFaqO1gGX78W5mrHk1bzxXajsXb wGoRtxa2Wty83B1KDeniFsBAv9GLcIYq78KIrJF3V0ZsW1RlygFCF8x2u2rekwIXlGd5rZyHtB7J HxifQSkd_nU68M4Iz5.ALVP7gOjTbEp0Xa1_Uaay_BSPSuZu0g58HQ_vAa4rMwZ3EEBbNMZXxw5F gMvsZkL3W5vVPOn8QCZoFI.Df1ZtunN_U5DrVG5H4jQVhbbjbXj_q.r3idi2sWbWmKlxbLSKhcSH UfvM4Q1cAtueb9pzBXp8vnTf0ejFefnKXTm0t5.87H0FJYmaioIRAzJZOQ_WXJGNUFwt3gNKu5TI OCN3_wk3K91QeUpUw18EQqTzh22Jyk9H6ZaUIfuH7KdThIBXUIDEiiljMNIOQyffMcj3BoSL66PN udHJxdWN6ikgM224zduElxqc6dEHg638TS..TZytgJDhrI87ELRXF6CgQBt5yarV4UFU2y_fSaze bfBeUGHwy5tgavatiXJLx.qwQNNQrZoHaLrQLxSkfnmMCo3ozZUYw9iaxgIO0KwGmxesDJQKXSYv jDFP.yqJsL9pTdTmxiZC70d1UfWIsXgaYXPeuVxi6v X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic311.consmr.mail.ne1.yahoo.com with HTTP; Sat, 19 Nov 2022 12:00:24 +0000 Original-Received: by hermes--production-sg3-6c8895b545-26lc9 (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID beec4669560e06c316817add5f2d0c6c; Sat, 19 Nov 2022 12:00:21 +0000 (UTC) In-Reply-To: <87bkp39mxk.fsf@yahoo.com> (Po Lu's message of "Sat, 19 Nov 2022 19:57:27 +0800") X-Mailer: WebService/1.1.20863 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.188.204; envelope-from=luangruo@yahoo.com; helo=sonic311-23.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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:300164 Archived-At: Po Lu writes: > Yes, that works. BTW, Sun says their grep complies with POSIX.1 as well: STANDARDS The grep utility is compliant with the IEEE Std 1003.1-2008 (=E2=80=9C= POSIX.1=E2=80=9D) specification with the exception of -s option being the same as -q in current implementation for historic reasons. The flags [-AbBChHrRw] a= re extensions to that specification. So I'm not sure whether or not the bug lies in grep or posixly-correct GNU grep.