From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: cc-mode fontification feels random Date: Sun, 06 Jun 2021 14:57:35 +0300 Message-ID: <83bl8ji4sw.fsf@gnu.org> References: <86a85d26-75c0-e4a3-e8d3-244c5346dd3a@dancol.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="12565"; mail-complaints-to="usenet@ciao.gmane.io" Cc: dancol@dancol.org, emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Jun 06 13:58:21 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 1lprQ3-0002wy-Qt for ged-emacs-devel@m.gmane-mx.org; Sun, 06 Jun 2021 13:58:19 +0200 Original-Received: from localhost ([::1]:58232 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lprQ2-0004Pt-8s for ged-emacs-devel@m.gmane-mx.org; Sun, 06 Jun 2021 07:58:18 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54668) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lprPQ-0003k8-Ig for emacs-devel@gnu.org; Sun, 06 Jun 2021 07:57:40 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:48932) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lprPP-0008NL-Lc; Sun, 06 Jun 2021 07:57:39 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:2465 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lprPP-0003Dv-87; Sun, 06 Jun 2021 07:57:39 -0400 In-Reply-To: (message from Alan Mackenzie on Sun, 6 Jun 2021 11:37:47 +0000) 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:270474 Archived-At: > Date: Sun, 6 Jun 2021 11:37:47 +0000 > From: Alan Mackenzie > Cc: emacs-devel@gnu.org > > > FWIW, fontification is correct and consistent when I set > > font-lock-support-mode to nil, so this really does look like another > > case of getting unlucky with jit-lock block divisions. > > Maybe an improvement might come from scanning the buffer for occurrences > of foo after foo has been recognised as a type and entered into the CC > Mode table. That way, the lack of fontification on foo would be > temporary, at least provided your Emacs is configured to fontify > non-displayed bits of the buffer in the background (which it is by > default). > > This might need enhanced support from jit-lock, such as some sort of > signal indicating a buffer has been completly fontified. I haven't > thought this through, yet. AFAIR, the way to tell JIT font-lock that a chunk of text was already fontified is to set the 'fontified' property on that text.