From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: bug-reference-prog-mode slows down CC Mode's scrolling by ~7% Date: Sat, 04 Sep 2021 14:40:16 -0400 Message-ID: References: <83a6kuyysv.fsf@gnu.org> <837dfwyird.fsf@gnu.org> <83tuj0ux6y.fsf@gnu.org> <83pmtouul2.fsf@gnu.org> <83k0jwus8w.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="8151"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: acm@muc.de, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Sep 04 20:42:05 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 1mMac9-0001um-Ar for ged-emacs-devel@m.gmane-mx.org; Sat, 04 Sep 2021 20:42:05 +0200 Original-Received: from localhost ([::1]:57328 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mMac8-0007zW-4R for ged-emacs-devel@m.gmane-mx.org; Sat, 04 Sep 2021 14:42:04 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40388) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mMaag-0006CU-Db for emacs-devel@gnu.org; Sat, 04 Sep 2021 14:40:34 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:37675) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mMaaV-0001QQ-Jb; Sat, 04 Sep 2021 14:40:33 -0400 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id EF37980776; Sat, 4 Sep 2021 14:40:21 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 9C8C280768; Sat, 4 Sep 2021 14:40:20 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1630780820; bh=U8vksqcEjdHdLK/2WPPRsyZ7cW5CfFnoIPJ+PZMsNNw=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=XTE1jjVDTGitv2yNemw+nX7qMagihhopMpzzHp626uLj3EWT+/mbWUNAKFLEBHGWV yNFKtvZDzI0U2tQmtxqVNFEXnIEbylrLX/t+FRRYHwb9GgaZIKNR/++nmhG11flP06 usO35brs+QTddr5n1zPkVFQHEFJ7TAfWCbpEvONTxxqYY9y30Ada0NfJChrcLx6jni CIHA3po61tsVU05b5d+6d1X7Db+Y7UjH/JnTwk/ZJjeFNcWIuK2NAQXoHwdfyWuKw0 3d7eQmQ6Ff3EG6sFOXs0gzf/IUsA+muIllwd9p31w20XL1skxSHUJ6S0GnYGkoRO0v stTz/VHP+kugA== Original-Received: from milanesa (unknown [104.247.244.135]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id EBF46120352; Sat, 4 Sep 2021 14:40:17 -0400 (EDT) In-Reply-To: <83k0jwus8w.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 04 Sep 2021 21:10:07 +0300") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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:273945 Archived-At: > Do you have some Lisp to show that invisible text isn't fontified by > jit-lock? src/emacs -Q lisp/subr.el -f outline-minor-mode --eval '(hide-sublevels 1)' then go to the line that says "subr.el ends here" and do M-: (get-text-property (- (point) 10) 'fontified) RET and it will probably say nil. Stefan PS: My own config enables `outline-minor-mode` and calls `hide-sublevels` in a similar way, so I'd notice the performance difference if the whole buffer were fontified ;-)