From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.bugs Subject: bug#57207: 29.0.50; Fontification is slow after e7b5912b23 (Improvements to long lines handling) Date: Sat, 20 Aug 2022 17:14:35 +0000 Message-ID: <37dd2827f52038e95791@heytings.org> References: <87bksmx1j1.fsf@localhost> <8335dxiu6m.fsf@gnu.org> <87y1vnjgmn.fsf@gnus.org> <83y1vncbq5.fsf@gnu.org> <87r11fgi7h.fsf@gnus.org> <83sflvc85y.fsf@gnu.org> <87h729902w.fsf@gnus.org> <83edxdbs96.fsf@gnu.org> <87wnb5wthm.fsf@gnus.org> <83pmgxfyc7.fsf@gnu.org> <87fshtwsys.fsf@gnus.org> <877d35wsdd.fsf@gnus.org> <83ilmpfwrf.fsf@gnu.org> <8735dtwrar.fsf@gnus.org> <83h729ft60.fsf@gnu.org> <87tu68v3uu.fsf@gnus.org> <83tu68e83u.fsf@gnu.org> <87fshsteqc.fsf@gnus.org> <87bksgte5e.fsf@gnus.org> <877d34tdwf.fsf@gnus.org> <83pmgwdxhh.fsf@gnu.org> <8735dstdhn.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="658"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Eli Zaretskii , 57207@debbugs.gnu.org, yantar92@gmail.com To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Aug 20 19:15:21 2022 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 1oPS48-000AS7-M8 for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 20 Aug 2022 19:15:20 +0200 Original-Received: from localhost ([::1]:37006 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oPS47-0003Kt-FG for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 20 Aug 2022 13:15:19 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:48420) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oPS3q-0003JH-8J for bug-gnu-emacs@gnu.org; Sat, 20 Aug 2022 13:15:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:43699) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oPS3p-00015M-Vt for bug-gnu-emacs@gnu.org; Sat, 20 Aug 2022 13:15:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oPS3p-0005Xk-RS for bug-gnu-emacs@gnu.org; Sat, 20 Aug 2022 13:15:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 20 Aug 2022 17:15:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 57207 X-GNU-PR-Package: emacs Original-Received: via spool by 57207-submit@debbugs.gnu.org id=B57207.166101568021265 (code B ref 57207); Sat, 20 Aug 2022 17:15:01 +0000 Original-Received: (at 57207) by debbugs.gnu.org; 20 Aug 2022 17:14:40 +0000 Original-Received: from localhost ([127.0.0.1]:33448 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oPS3T-0005Wv-TQ for submit@debbugs.gnu.org; Sat, 20 Aug 2022 13:14:40 -0400 Original-Received: from heytings.org ([95.142.160.155]:33242) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oPS3R-0005Wl-6i for 57207@debbugs.gnu.org; Sat, 20 Aug 2022 13:14:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1661015676; bh=6dDv9UPojOEgIx1Hi2kyyfzKb4YuaqUO9Q3FmbU8ziE=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=sexnCOfrTBfcX/2DpR79C9/R6k5wIMs/OjYSPJmbLtKu+BbkJK/ioUb7aMR2rKZgj iqcddfuEalT7UFPBJQcZ0xBmhFbbFzbJzL54nDaZdLL8fbibQBvUqMnpqHaGGEzOh/ BPyonDksr5B/Us0qlq2cGXEi1NYKjNOqFJ/Lv5PolyjksuSeApKficZcZ6fnL/2pYe Dl7qsXxZvs+8WUHZlEGJs6bHEqH0ASeVeOFOofUUgJeFFBo6H9ZEb2gvxO5wlTxLWv oS1M9sNdFjAjWhUqoMwdPnRoMdnewhQKvExtHSsm+1/xwpuxiqb1y8YUVPO6us6uT4 CCwH7lOA5HRyg== In-Reply-To: <8735dstdhn.fsf@gnus.org> 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" Xref: news.gmane.io gmane.emacs.bugs:240262 Archived-At: > > (progn > (pop-to-buffer "foo.txt") > (flyspell-mode) > (insert (propertize (make-string 20000 ?x) 'display "foo") > "\n\n")) > > Then type "d". [Narrow] is shown in the mode line. > I can reproduce that, too. The "Narrow" indication disappears with the next redisplay cycle, so it seems to be a not-too-grave issue (but a bug nonetheless). It could probably be solved by moving the calculation of "BUF_BEGV (b) > BUF_BEG (b) || BUF_ZV (b) < BUF_Z (b)" from decode_mode_spec to mark_window_display_accurate_1, which would set a one-bit field in struct buffer. WDYT?