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 17:46:20 +0000 Message-ID: <37dd2827f57a3d664931@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> <37dd2827f52038e95791@heytings.org> <83wnb2ddxd.fsf@gnu.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="28840"; mail-complaints-to="usenet@ciao.gmane.io" Cc: larsi@gnus.org, 57207@debbugs.gnu.org, yantar92@gmail.com To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Aug 20 19:47:31 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 1oPSZH-0007Ku-Ly for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 20 Aug 2022 19:47:31 +0200 Original-Received: from localhost ([::1]:54076 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oPSZG-0001tR-JD for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 20 Aug 2022 13:47:30 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43148) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oPSYo-0001t3-Q9 for bug-gnu-emacs@gnu.org; Sat, 20 Aug 2022 13:47:08 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:43724) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oPSYo-0005LB-Cc for bug-gnu-emacs@gnu.org; Sat, 20 Aug 2022 13:47:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oPSYo-0006JA-5i for bug-gnu-emacs@gnu.org; Sat, 20 Aug 2022 13:47:02 -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 17:47:02 +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=B57207.166101758424200 (code B ref 57207); Sat, 20 Aug 2022 17:47:02 +0000 Original-Received: (at 57207) by debbugs.gnu.org; 20 Aug 2022 17:46:24 +0000 Original-Received: from localhost ([127.0.0.1]:33473 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oPSYB-0006IG-S3 for submit@debbugs.gnu.org; Sat, 20 Aug 2022 13:46:24 -0400 Original-Received: from heytings.org ([95.142.160.155]:33294) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oPSY9-0006I8-R2 for 57207@debbugs.gnu.org; Sat, 20 Aug 2022 13:46:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1661017581; bh=Fdr6YEpsjgBsmPeJhIU7s8iwzDfvcEKWa/QS/yZUCcw=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=lpMaT1sAxEsVwzIF+IDF+CNO2kIDkF+uFi/MqZnkVa/p2Mc/V0STlAjZE9S1HeQOb U1bjL2+ThnmzoTFkfyuxVcBNQGAMSBJhBL81nX8+tk6Y/VDi6xbRB7WwTSgo176W+Y wPhxoCcGXfVvSUSSVQZC6f7mKpOwfSQrjc8D+UJ+ey4Cxr5CEU4/NbgNd0IXAILyn5 Cpc+I0JCYu9K7275lAPKWSxLn1Ty4/UkNbk/DeciWRAyI33wAzTGtrbMPxe0O5wgCo iVTdcpQiMTrTo5HuQsS5ZLHYW/A/mSloXNvWy4WOlcV7GN1PdUSH26MERnnNQNwtLT TihTd/m9wdvRg== In-Reply-To: <83wnb2ddxd.fsf@gnu.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:240266 Archived-At: >> 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 doesn't disappear if you keep typing fast enough, or lean on a key. > Indeed, it disappear and reappears. >> 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? > > That's too late, I think? How do we ensure after that the update of the > mode-line (in case the hook really wants to change the restriction)? > Hmmm... I guess I need to think about this a bit more!