From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Hongyi Zhao Newsgroups: gmane.emacs.help Subject: Re: [External] : Re: The `^L' appeared in built-in help. Date: Wed, 21 Jul 2021 10:03:23 +0800 Message-ID: References: <87mtr0889q.fsf@zoho.eu> <87a6n084rz.fsf@zoho.eu> <87lf61ymol.fsf@zoho.eu> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="25031"; mail-complaints-to="usenet@ciao.gmane.io" To: Emanuel Berg , help-gnu-emacs Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Wed Jul 21 04:04:08 2021 Return-path: Envelope-to: geh-help-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 1m61ah-0006J7-GS for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 21 Jul 2021 04:04:07 +0200 Original-Received: from localhost ([::1]:39462 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m61ag-0005KR-1k for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 20 Jul 2021 22:04:06 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39866) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m61aD-0005Js-RX for help-gnu-emacs@gnu.org; Tue, 20 Jul 2021 22:03:37 -0400 Original-Received: from mail-lf1-x133.google.com ([2a00:1450:4864:20::133]:36675) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1m61aC-00068J-Ec for help-gnu-emacs@gnu.org; Tue, 20 Jul 2021 22:03:37 -0400 Original-Received: by mail-lf1-x133.google.com with SMTP id y42so891076lfa.3 for ; Tue, 20 Jul 2021 19:03:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=5RXLUXL0SlyFf4sko1K1BYiq4+TpZaAdp7N1lSjdtUg=; b=DELSiQ5rNJPOIr5DBmIQ9TAJ9JzMqpcXC7Ie50N7+T2FeNIKAFQZ2XFbRZrwktZcO6 SOKZoCeNRVqiPmihxSmRSGENbDx/eLQN8sUQddq/K27x/tWvJp3jcO3EIkT/h02e2rNz 9Q7TB4rvU+/oMs7kBSj0uheiXwV/XCVL/QclYocaTyOCZLWPAw8fHW5dFoOn5nle6fr2 3RQeth+nvYjBzsTq9P7cEYkycugl/fZtclQwv6JzwTj1EC+GrEagjoZK1fFSSXDV/uCn H7aulx6X7GtJa8Yg1vGosDlwCojrWFte+ZN0Ns75qIz5wYoDXH77iuI5uVY1ftyG+9gn X1/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=5RXLUXL0SlyFf4sko1K1BYiq4+TpZaAdp7N1lSjdtUg=; b=oQlhSXUVEFxHSfny4d9mr+KSdD4eZPggKGSfc/B9cRL1+EZry8HRyo63tww0/jkAq7 PU9OqNYK/Yjzy8pJLwkOlZieRR5lSrLK2JLYFKYAuw5AeRTPJQcd405OOWwGBOiyhb3Y CGSvUet2qEUeNCPFEsDDaQlClM7+KOe8tJXZiFDsFuwFtKg/0upV74TvkRi0fXBMAs8z cX1PU2IVSK2UGZO9mW0nSNwhjRc8j/wkOnHWsme6odqS4TnXa1XkuSMbWopvgXxPuRnP lsISdMvlzML2/G5g/C2+b4qzsAscJVYCMtYjZvBipEoYqKzu5eN8aw+QM/L/+q1YTEwY Y0Sg== X-Gm-Message-State: AOAM532ngGgeaeGhGaB4rNbUXqF4DilZvH9+3m125xfPP5CrByiBT3hg qQL13WzLhVsoW1gP7PMyecAZFs0vzdbKwPeh6hs= X-Google-Smtp-Source: ABdhPJx1kMIJE/yb7MGyZB/6MMiavAtVirGHuxUONgCQXWs652xk+5sl8RjlUJBNkQXEoWE10TWvx6xR7ApSvgXWkMI= X-Received: by 2002:a19:6452:: with SMTP id b18mr24484582lfj.545.1626833014588; Tue, 20 Jul 2021 19:03:34 -0700 (PDT) In-Reply-To: <87lf61ymol.fsf@zoho.eu> Received-SPF: pass client-ip=2a00:1450:4864:20::133; envelope-from=hongyi.zhao@gmail.com; helo=mail-lf1-x133.google.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: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:131908 Archived-At: On Wed, Jul 21, 2021 at 12:32 AM Emanuel Berg via Users list for the GNU Emacs text editor wrote: > > Hongyi Zhao wrote: > > > Another issue: what's the regexp for matching the `^L' in > > Emacs. I tried with `^.*\^L$' to filter the > > counsel-unicode-char command's results, but nothing > > is matched. > > ^ in the beginning of a regexp means the beginning of a line. > > (search-forward-regexp "^aaa") ; works > > aaa > > (search-forward-regexp "^aaa") ; DNC > > aaa > > (search-forward-regexp "^a^aa") ; works > > a^aa > > (search-forward-regexp "\\^aaa") ; works > > ^aaa > > But to answer your question: > > (search-forward-regexp " ") What does this mean? I mean, I don't want to match a blank space here, as you suggested above. HY