From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: =?UTF-8?Q?=E7=A9=8D=E4=B8=B9=E5=B0=BC?= Dan Jacobson Newsgroups: gmane.emacs.bugs Subject: bug#44409: Example in manual no longer works Date: Tue, 03 Nov 2020 13:28:41 +0800 Message-ID: <87mtzzj9fa.5.fsf@jidanni.org> 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="35558"; mail-complaints-to="usenet@ciao.gmane.io" To: 44409@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Nov 03 06:29:13 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1kZosa-00096Q-44 for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 03 Nov 2020 06:29:12 +0100 Original-Received: from localhost ([::1]:57246 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kZosY-0008WU-JM for geb-bug-gnu-emacs@m.gmane-mx.org; 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But the example it then gives is for older emacs versions. Newer emacs versions' grep string contains "--null" (proof: try $ emacs -f grep ) which will cause the example to fail. How can one rewrite the example to work with newer emacs versions?