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: bug-reference-prog-mode slows down CC Mode's scrolling by ~7% Date: Fri, 03 Sep 2021 09:16:03 +0300 Message-ID: <838s0eyyjg.fsf@gnu.org> References: Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="14764"; mail-complaints-to="usenet@ciao.gmane.io" Cc: monnier@iro.umontreal.ca, emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Sep 03 08:17:18 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 1mM2Vp-0003XO-9v for ged-emacs-devel@m.gmane-mx.org; Fri, 03 Sep 2021 08:17:17 +0200 Original-Received: from localhost ([::1]:48002 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mM2Vo-0003RH-2W for ged-emacs-devel@m.gmane-mx.org; Fri, 03 Sep 2021 02:17:16 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37582) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mM2Ug-0002As-0s for emacs-devel@gnu.org; Fri, 03 Sep 2021 02:16:06 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:32834) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mM2Uf-0004gZ-Cg; Fri, 03 Sep 2021 02:16:05 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:2181 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 1mM2Ue-0005ey-Nn; Fri, 03 Sep 2021 02:16:05 -0400 In-Reply-To: (message from Alan Mackenzie on Thu, 2 Sep 2021 21:08:18 +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:273749 Archived-At: > Date: Thu, 2 Sep 2021 21:08:18 +0000 > From: Alan Mackenzie > Cc: emacs-devel@gnu.org > > Hello, Stefan. I'm not him. > + ;; The first function in `jit-lock-functions' can expand > + ;; the region in `tight-beg' and `tight-end'. This > + ;; expanded region is passed to the subsequent functions. > + ;; The union of all the regions the functions mark for > + ;; fontification is stored in `loose-beg' and `loose-end'. The "union" part is not clear enough, and should IMO be explained. More importantly, this cannot hide in a comment, it must be clearly documented, both in doc strings and in the ELisp manual. (Assuming this is the change we will go with, of course.)