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logging-data="25957"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Jean Louis , help-gnu-emacs@gnu.org To: Thibaut Verron Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Dec 13 11:41:38 2022 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 1p52jB-0006a7-OE for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 13 Dec 2022 11:41:37 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p52iZ-0002dh-DE; Tue, 13 Dec 2022 05:40:59 -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 1p52iW-0002cu-6E for help-gnu-emacs@gnu.org; Tue, 13 Dec 2022 05:40:56 -0500 Original-Received: from mail-40138.protonmail.ch ([185.70.40.138]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p52iQ-0007LB-V8 for help-gnu-emacs@gnu.org; Tue, 13 Dec 2022 05:40:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail3; t=1670928041; x=1671187241; bh=UoGtVuYpqSvUtbhvDUk3POPPhHqkRXDw/LE/yjLsKf0=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector; b=PieVhBKhvQ5WRjI++1DOYQ+la8RiPIGULKtK87cNlf+PYdkwvtlUAJ4Kq7dreNM9J JjIk7inCtsk9wCfqVhVnGIIeL+NYy8yxSmiHnLf+UeKXXFHEzhZEG/bbbOCpZxnIIo wsMCQXjdsonME8U2e56Lh6oUVVhg1wGizPbtcBCPzhsKdITWtqopCVwfqBcApG8ECC 6GpRjjGOg6n2wfqqb8MOfAZaFKv5CO7kIPeRsuuptZtYeczsLpcIN5/y2PlMsm1K/z 8xZBEwpFeZ1t2H4pzZr+ZOPkWYQpz93EVJPvp7l1PBtf+LJrUzdzXckIC8ZIfcqbmR z4t6bKTYi3lGg== In-Reply-To: <3d77f749-9a47-3a87-40d0-7c7de73b64e7@gmail.com> Feedback-ID: 57735886:user:proton Received-SPF: pass client-ip=185.70.40.138; envelope-from=heimeborgia@protonmail.com; helo=mail-40138.protonmail.ch 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_MSPIKE_H2=-0.001, SPF_HELO_PASS=-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: 2.1.29 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:141705 Archived-At: ------- Original Message ------- On Tuesday, December 13th, 2022 at 10:05 AM, Thibaut Verron wrote: > On 13/12/2022 10:46, Heime wrote: >=20 > > ------- Original Message ------- > > On Tuesday, December 13th, 2022 at 9:35 AM, Thibaut Verron thibaut.verr= on@gmail.com wrote: > >=20 > > > On 13/12/2022 09:30, Heime wrote: > > >=20 > > > > ------- Original Message ------- > > > > On Tuesday, December 13th, 2022 at 8:04 AM, Heime heimeborgia@proto= nmail.com wrote: > > > >=20 > > > > > ------- Original Message ------- > > > > > On Tuesday, December 13th, 2022 at 7:52 AM, Jean Louis bugs@gnu.s= upport wrote: > > > > >=20 > > > > > > Heime, I like the idea of highlighting comments, though I do it= this > > > > > > way to specify (syntax comment-start) as that works for multipl= e > > > > > > modes. > > > > > >=20 > > > > > > ; one > > > > > > ;; two > > > > > > ;;; three > > > > > > ;;;; and more > > > > > >=20 > > > > > > ;;; Highlighting comments > > > > > >=20 > > > > > > (setq rcd-regexp-comment (rx line-start > > > > > > (one-or-more (syntax comment-start)) > > > > > > (one-or-more space) > > > > > > (group (one-or-more not-newline)) > > > > > > line-end)) > > > > > >=20 > > > > > > ;; (highlight-regexp regexp nil 1) > > > > > > ;; (unhighlight-regexp regexp) > > > > > >=20 > > > > > > Jean > > > > > > I would like to introduce (syntax comment-start) in place > > > > > > of ";;" in "^;;\s+\\[.+\\].*$". > > >=20 > > > It's not something you can "introduce" in your regexp, it only makes > > > sense within the context of a regexp built with rx: > > > https://www.gnu.org/software/emacs/manual/html_node/elisp/Rx-Notation= .html > > >=20 > > > Rewriting your regexp as an rx regexp would not be too difficult if y= ou > > > want to go that route, Jean's example is a good template. > > >=20 > > > Otherwise, as an approximation of that feature, you could built your > > > regex string using the value of the variable comment-start ( ";" in > > > emacs-lisp-mode) instead of hardcoding ;; . > > > How can one specify two comment characters next to each other? >=20 >=20 > Using the variable, the same way you would normally do for a regexp, by > putting \{2\} after the matched regexp. >=20 > E.g. >=20 > ELISP> (format "\\(%s\\)\\{2\\}" comment-start) >=20 > "\\(;\\)\\{2\\}" >=20 > (don't trust me for the number of escape characters) >=20 > But I don't think it's really what you want: for example, in a mode > where comment-start is "# " (e.g. org or python), this will match "# # " > but not "##". Let's disregard org and python at this time. =20 > Using the syntax table is better here, as the character # alone has the > syntax of a comment-start. >=20 > I had forgotten about the simplest option, that is the regexp equivalent > of the rx syntax: \s< in a regexp will match exactly a character with > the syntax of a comment-start. >=20 > So: "\s<\{2\}" should be exactly what you want (at least in languages > where comments start with a single character).