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.bugs Subject: bug#70367: 30.0.50; Inconsistent Syntax Highlighting Date: Sat, 13 Apr 2024 22:05:54 +0300 Message-ID: <86le5hnkvh.fsf@gnu.org> References: <86r0f9nomy.fsf@gnu.org> <86plutnogj.fsf@gnu.org> <87bk6dozpb.fsf@gmx.net> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18834"; mail-complaints-to="usenet@ciao.gmane.io" Cc: suratiamol@gmail.com, 70367@debbugs.gnu.org To: Stephen Berman , Alan Mackenzie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Apr 13 21:07:23 2024 Return-path: Envelope-to: geb-bug-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 1rviig-0004ez-LA for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 13 Apr 2024 21:07:22 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rviiO-0008PW-SJ; Sat, 13 Apr 2024 15:07:04 -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 1rviiM-0008PF-Bz for bug-gnu-emacs@gnu.org; Sat, 13 Apr 2024 15:07:02 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rviiL-0003o9-QK for bug-gnu-emacs@gnu.org; Sat, 13 Apr 2024 15:07:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1rviiV-0003Kl-Tc for bug-gnu-emacs@gnu.org; Sat, 13 Apr 2024 15:07:11 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 13 Apr 2024 19:07:11 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 70367 X-GNU-PR-Package: emacs Original-Received: via spool by 70367-submit@debbugs.gnu.org id=B70367.171303518412382 (code B ref 70367); Sat, 13 Apr 2024 19:07:11 +0000 Original-Received: (at 70367) by debbugs.gnu.org; 13 Apr 2024 19:06:24 +0000 Original-Received: from localhost ([127.0.0.1]:33792 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rvihi-0003DZ-Rd for submit@debbugs.gnu.org; Sat, 13 Apr 2024 15:06:24 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54116) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rviha-0003BW-VN for 70367@debbugs.gnu.org; Sat, 13 Apr 2024 15:06:20 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rvihK-0003ju-7i; Sat, 13 Apr 2024 15:05:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=q0Liu69vAAP4jlkSnjZLURCNEtDcyvJ6akun1seDmV0=; b=Ua7Sa32FHlXF Ik8xyB7ySXoWpnH2vNt9JryqEPHAMwChjNCpvhG7Ht7h9D4Bxwv73ZgdMLTnCxCaBQwIHsVxnU71F /YTHsHotA2SXY2FxWAziG7uHeen0WHuU65ruYNuayAlajDRfaxhYuw/8NiM6o05cdhlJUowjJ1syw /jhcmzzBGUaHNgqqiPqb0tp5CR7RgpoWDwbfSezsRffsEzloJm59ZIr0Pn7i+YhBS0n+rLM8pOpMu MwqeVvN48YwzLKL9r54rwjl0s2hyyMFQCLUivA8+Uy57GcBDKULat//r2lHKHnP9R4TnP8Mv2rPsc TjfmzowK1ab73X3v60CphQ==; In-Reply-To: <87bk6dozpb.fsf@gmx.net> (message from Stephen Berman on Sat, 13 Apr 2024 21:00:16 +0200) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:283234 Archived-At: > From: Stephen Berman > Cc: suratiamol@gmail.com, 70367@debbugs.gnu.org > Date: Sat, 13 Apr 2024 21:00:16 +0200 > > On Sat, 13 Apr 2024 20:48:28 +0300 Eli Zaretskii wrote: > > >> Cc: 70367@debbugs.gnu.org > >> Date: Sat, 13 Apr 2024 20:44:37 +0300 > >> From: Eli Zaretskii > >> > >> > From: Amol Surati > >> > Date: Sat, 13 Apr 2024 18:12:54 +0530 > >> > > >> > The problem is not found in terminal emacs built from the released 29.3.tar.gz, > >> > or with emacs running under GUI (i.e. under PGTK). > >> > > >> > The problem is seen with terminal emacs built from the master branch, at various > >> > commit levels. > >> > > >> > Problem: When a large file (for e.g. vulkan_core.h) is opened, certain > >> > constructs have their syntax highlighting broken. The video found at [1] shows > >> > the behaviour. At the end of the video, one can see one instance of the problem; > >> > the syntax highlighting for the enum constant > >> > 'VK_STRUCTURE_TYPE_EVENT_CREATE_INFO = 10,' abruptly breaks. The entire > >> > identifier VK_STRUCTURE_TYPE_EVENT_CREATE_INFO must be one colour. Instead, > >> > 'VK_STRUCTURE_TYPE_EVENT_CREA' is of the expected colour, while > >> > 'TE_INFO' is of the colour that is expected with '= 10,'. You may want to > >> > download the video and then play it, if Google Drive plays it at a resolution > >> > that is lower than the video's native resolution. > >> > > >> > Within this same session, there were other such enum constants with broken > >> > highlighting, though they have not been captured in the video. > >> > The termscript is attached at [2]. > >> > > >> > The graphics session is Wayland with swaywm as its compositor; XWayland is > >> > not enabled. The terminal emulator is 'foot'. Another terminal emulator, > >> > 'alacritty' was also tested; the problem occurred there too. > >> > > >> > The problem doesn't seem to occur with small-sized files; After reducing the > >> > vulkan_core.h to contain only around 235 lines, emacs was able to show the > >> > (reduced) file with consistent highlighting. > >> > >> FWIW, I cannot reproduce this with stock Emacs 29.3 and vulkan_core.h > >> file that I downloaded from this site: > >> > >> https://github.com/KhronosGroup/dfdutils/blob/main/vulkan/vulkan_core.h > > > > I see now that you say you see this with the master branch, so I > > tested that version as well, and I still don't see the problem. > > I see exactly the same misfontification as the OP in the same file > (which I happen to have on my system), as well as several more similar > misfontifications further down in that file -- but only with c-mode from > cc-mode.el. With c-ts-mode I see no misfontifications in that file. > This is with GNU Emacs 30.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ > Version 3.24.41, cairo version 1.18.0) of 2024-04-11. Strange. I see no misfontifications with either mode. Alan, would you please have a look?