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: Fri, 11 Jun 2021 09:14:08 +0300 Message-ID: <83wnr19bdb.fsf@gnu.org> References: <83o8cge4lg.fsf@gnu.org> <62e438b5-d27f-1d3c-69c6-11fe29a76d74@dancol.org> <83fsxsdxhu.fsf@gnu.org> <83pmwudgw3.fsf@gnu.org> <83k0n2cjg5.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20132"; mail-complaints-to="usenet@ciao.gmane.io" Cc: acm@muc.de, dancol@dancol.org, emacs-devel@gnu.org, rms@gnu.org, rudalics@gmx.at To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Jun 11 08:15:38 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 1lraSA-00051k-G4 for ged-emacs-devel@m.gmane-mx.org; Fri, 11 Jun 2021 08:15:38 +0200 Original-Received: from localhost ([::1]:54968 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lraS8-0007oM-Sk for ged-emacs-devel@m.gmane-mx.org; Fri, 11 Jun 2021 02:15:36 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40162) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lraRL-00075h-MU for emacs-devel@gnu.org; Fri, 11 Jun 2021 02:14:47 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:50290) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lraRJ-0004RA-QU; Fri, 11 Jun 2021 02:14:45 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3799 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 1lraQs-0000Gp-Ri; Fri, 11 Jun 2021 02:14:31 -0400 In-Reply-To: (message from Stefan Monnier on Thu, 10 Jun 2021 17:06:31 -0400) 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:270683 Archived-At: > From: Stefan Monnier > Cc: Eli Zaretskii , dancol@dancol.org, rudalics@gmx.at, > emacs-devel@gnu.org, rms@gnu.org > Date: Thu, 10 Jun 2021 17:06:31 -0400 > > > Well, I've fixed around 550 bugs in CC Mode in the last 20 years. > > Identifying and reversing a subset of these to revert the performance > > would be difficult. > > Clearly what would work better is to have a clear "test case" where the > performance is poor. Then we could investigate what is the cause of > this particular problem and see how to fix this (and hopefully other > similar) circumstance. We already have, and we already did. (It was even mentioned in this discussion.)