From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: Org-mode blocks multiline fontification performance Date: Thu, 24 Jun 2021 09:12:46 +0300 Message-ID: References: <50b31dd7-4f42-8650-3132-f684db945786@posteo.eu> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4426"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.0.7+183 (3d24855) (2021-05-28) Cc: help-gnu-emacs@gnu.org To: =?utf-8?Q?S=C3=A9bastien?= Miquel Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jun 24 08:16:32 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 1lwIfA-0000yw-0Q for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 24 Jun 2021 08:16:32 +0200 Original-Received: from localhost ([::1]:54110 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lwIf8-0008I6-VV for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 24 Jun 2021 02:16:31 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:44554) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lwId2-0006Je-Uc for help-gnu-emacs@gnu.org; Thu, 24 Jun 2021 02:14:21 -0400 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:33751) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lwIcy-0006C5-4T for help-gnu-emacs@gnu.org; Thu, 24 Jun 2021 02:14:17 -0400 Original-Received: from localhost ([::ffff:197.157.0.23]) (AUTH: PLAIN admin, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 0000000000087FB2.0000000060D422B5.00006DE4; Wed, 23 Jun 2021 23:14:12 -0700 Mail-Followup-To: =?utf-8?Q?S=C3=A9bastien?= Miquel , help-gnu-emacs@gnu.org Content-Disposition: inline In-Reply-To: <50b31dd7-4f42-8650-3132-f684db945786@posteo.eu> Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: 29 X-Spam_score: 2.9 X-Spam_bar: ++ X-Spam_report: (2.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_SBL_CSS=3.335, RCVD_IN_SORBS_WEB=1.5, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no 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:131214 Archived-At: * Sébastien Miquel [2021-06-23 21:42]: > Hi, > > Org allows the use of special blocks such as > > #+begin_proof > Some LaTeX fragments in here: $a^2 + b^2 = c^2$. > #+end_proof > > that may be exported to matching LaTeX environments. > > We want some light fontification of such blocks: >  1. *Matching* #+begin and #+end lines should be fontified >  2. Some background color face should be applied to the inside of the block. >     (This isn't actually currently the case for such special blocks, but > applies >     for other blocks) > > It is currently implemented by adding the `font-lock-multiline' > property to the block. > > When the inside of the block is modified, the region to refontify is > extended to the whole block (the multiline region), and the whole > block is refontified. > > The issue is that >  + the block may be quite large >  + the LaTeX fragment fontification can be quite expensive. Use the chunked approach, make 2 files one including the other. -- Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns In support of Richard M. Stallman https://stallmansupport.org/