From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Yuri Khan Newsgroups: gmane.emacs.help Subject: Re: Regexp with comment character of buffer Date: Tue, 13 Aug 2024 02:13:19 +0700 Message-ID: References: <5my4_hPxAvHxrSRXBqG0sOdSxA9OXe9rRX9fl7efeXWgi5h6EAw4Oh3a7VllRQNz6URMUcjIPkRcOGMn6RCYxbF0Au7lTb2BCkm4ffPuv3A=@protonmail.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="31577"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Heime via Users list for the GNU Emacs text editor To: Heime Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Aug 12 21:14:34 2024 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 1sdaV0-00085C-K3 for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 12 Aug 2024 21:14:34 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sdaU8-000584-4N; Mon, 12 Aug 2024 15:13:40 -0400 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 1sdaU7-00057o-3e for help-gnu-emacs@gnu.org; Mon, 12 Aug 2024 15:13:39 -0400 Original-Received: from mail-vs1-xe30.google.com ([2607:f8b0:4864:20::e30]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sdaU0-0004Zt-JR for help-gnu-emacs@gnu.org; Mon, 12 Aug 2024 15:13:38 -0400 Original-Received: by mail-vs1-xe30.google.com with SMTP id ada2fe7eead31-492a76c0cfbso1641567137.0 for ; Mon, 12 Aug 2024 12:13:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1723490011; x=1724094811; darn=gnu.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=jQk7KSmegTj0697zKA7LDVIlvBxDWW4+OAjjUyGv93w=; b=OugSUHP81gyCs5VDbjc0TSuwUn6eGUEWN6ZyNB6frEPj52l6PsFxXzPS5r77v/jLMt dulpLTj28hlsn9A+Msvo9ffSkqauAmi9JfEjNA0ztbAIoCHodL13Wgl61sUJDg3oF5Tr FnKxjJgN50lndDMy9qu3xiojrkDeDj1/CIaxUNFGUpPVOKTq83ozovEuhzGHyRM9UdVL 9+in6sgXvWtVVvyM98dD5OrUFNrCocHCGWIBsJEyRxvGvmwStS9//kOU73JET27WvJRj REnw1bxf3OzPpAzaB9ZSI/FbJZLwLaEVgJOmpMWYud3QrfR1sMOd18koO83aBWl7q02l SPDA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723490011; x=1724094811; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jQk7KSmegTj0697zKA7LDVIlvBxDWW4+OAjjUyGv93w=; b=SmkED777PjdETeJP/PPEm8kz+sjQ9M+Lzl/YaWMb1M3akk3bp+YKquBQjyNzuX98sQ sqc9yv5YxYtPo+c0MwSFzc+qvs0nE6Wxmr43k7I5InU31Ehgu+hlrkuPzQ26pxPmWWtc WpkW22rx8nCS+klIh4wLkQ2nNNb2o/etU7Wn+Qe8m26L4XAsBttLhwBZr6rXcK2lEn31 pTBONtrROWDY1IhIuIytjdxZHC7D4XZpJ8aEcvI4jTx3L8J6TARkmLozTpuZMbfMvmSV KlbfhVkkbRywb7VpPH+CVCrXd9UY1ztz3MRe2Y6HcvikjSY301/TNGd1iIhBmBy4U1+C 2miw== X-Gm-Message-State: AOJu0YyCx+Amv1e5sfnG9XqWIHrsjX8/0VXeO4LSUoIlQk4ZkVohEdPY DIQc9Ot0Du5gpM4iYejbtD5FhzcQbZg0pSpm+bcJcC2YC5IIJjURbb3nwBg/C9KWJZgmJjFa8RM FFYX8T+i7ElB6QlirjF851f3+pnk= X-Google-Smtp-Source: AGHT+IEMK/IzkizwKsiluRHeB/pJBAMinGDaecdYTJMBf8Rph4ETzmZKTQoKsxtP7Rnplv16XcGi1BmlCcJoc8pX34k= X-Received: by 2002:a05:6102:5089:b0:492:a74d:1664 with SMTP id ada2fe7eead31-497439b8d7emr1718905137.8.1723490011214; Mon, 12 Aug 2024 12:13:31 -0700 (PDT) In-Reply-To: Received-SPF: pass client-ip=2607:f8b0:4864:20::e30; envelope-from=yurivkhan@gmail.com; helo=mail-vs1-xe30.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 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-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:147647 Archived-At: On Tue, 13 Aug 2024 at 00:50, Heime wrote: > Is the space part of 'comment-start'. It is difficult to say from the co= de. You do not have to say that from code. You activate a buffer and do an M-: comment-start RET, and look at the result in the echo area. Repeat with a different mode. Alternatively, you read Emacs sources, see that many but not all modes set comment-start with a trailing space. > Can I just use `comment-start` without trimming it ? Since you=E2=80=99re using string-to-char which is documented to return onl= y the first character of the input string, it does not matter if you trim the original string beforehand.