From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.devel Subject: Re: prettify-symbols-mode to handle "\alpha-\beta" ... Date: Fri, 05 Feb 2021 23:04:04 +0000 Message-ID: <5588fb258084c2eaef40@heytings.org> References: <87v9b8mvpb.fsf@telefonica.net> <87r1lwmrgc.fsf@telefonica.net> <5588fb258084b189877d@heytings.org> <5588fb25804d75ad55f8@heytings.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="vxFUUsHrUY" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18102"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: pietru@caramail.com Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Feb 06 00:35:36 2021 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 1l8AdU-0004aS-NO for ged-emacs-devel@m.gmane-mx.org; Sat, 06 Feb 2021 00:35:36 +0100 Original-Received: from localhost ([::1]:37136 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l8AdT-0006Wh-Pi for ged-emacs-devel@m.gmane-mx.org; Fri, 05 Feb 2021 18:35:35 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60710) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l8A93-0002no-H7 for emacs-devel@gnu.org; Fri, 05 Feb 2021 18:04:09 -0500 Original-Received: from heytings.org ([95.142.160.155]:38564) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l8A91-0006Pb-RU for emacs-devel@gnu.org; Fri, 05 Feb 2021 18:04:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20210101; t=1612566245; bh=B4Kc4syGP4dn+6BnAbsTjP9v/hqSnREWm/Ua4VSJivw=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=Tpu+OtqO7hJmKNPXW+4JeSaoNl81oEDhefrYUuNH6i9/eDPlq/Ai3c6cvYHrGKW4I R/N8Gcngvz6LJz4uA1WPOpKCkJsSrVuk+yRdUbMgh4sm0CCYST8aIHMS/DvbIrZEYe jupa5/2RYRaNdNSayNwvAsvkh9qr4hlo5opwQSIBJx9storT0D9dgYT1ppHfsZ5ZlT PVTIfsxWy18Gpmp6ZdO2ma+Q8SYL0O7LbHs7JHKv5Xp94gi/98naU1vbegbGGzMsyS Vj5lTHHl/UhFa60K1kCgLjg3jZQ187zYbEFZYYwqnwqTvfBZ3XygiUzOIYUje87jlS Qq437KLrwpa9g== In-Reply-To: Content-ID: <5588fb2580937da5c960@heytings.org> Received-SPF: pass client-ip=95.142.160.155; envelope-from=gregory@heytings.org; helo=heytings.org 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, SPF_HELO_PASS=-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: 2.1.23 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" Xref: news.gmane.io gmane.emacs.devel:264027 Archived-At: --vxFUUsHrUY Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Content-ID: <5588fb258068bf345fb5@heytings.org> >>>> (defun texinfo-prettify-symbols-compose-p (start end _match) >>>> ;; We know the matches all start with a backslash and end with >>>> ;; a word-element. >>>> (not (or (memq (char-before start) '(?\\)) >>>> (memq (char-syntax (or (char-after end) ?\s)) '(?w)) >>>> (nth 8 (syntax-ppss))))) >>>> (add-hook 'texinfo-mode-hook >>>> (lambda () >>>> (push '("\\alpha" . ?=CE=B1) prettify-symbols-alist) >>>> (push '("\\beta" . ?=CE=B2) prettify-symbols-alist) >>>> (setq prettify-symbols-compose-predicate 'texinfo-prettif= y-symbols-compose-p) >>>> (prettify-symbols-mode))) >>> >>> That is not completely correct because for "\alpha-\beta", only \beta= =20 >>> is prettified. >> >> No, \alpha-\beta is prettified correctly. Tested with Emacs 25, 26, 27= =20 >> and 28. > > Have tried it in a texinfo document using > > @tex > $\alpha -\beta \gamma \alpha - \beta \gamma \alpha, \alpha. \alpha- \alph= a() \alpha[]$ > @end tex > This works correctly with vanilla Emacs, with the "defun" and "add-hook"=20 above. --vxFUUsHrUY--