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.bugs Subject: bug#57207: 29.0.50; Fontification is slow after e7b5912b23 (Improvements to long lines handling) Date: Thu, 18 Aug 2022 16:58:00 +0300 Message-ID: <83pmgxfyc7.fsf@gnu.org> References: <87bksmx1j1.fsf@localhost> <83lerqkd2u.fsf@gnu.org> <87o7wl4tsv.fsf@localhost> <87r11h90zw.fsf@gnus.org> <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> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39916"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 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 Thu Aug 18 15:59:26 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 1oOg3S-000ABx-6Z for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 18 Aug 2022 15:59:26 +0200 Original-Received: from localhost ([::1]:39916 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oOg3R-0001XJ-73 for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 18 Aug 2022 09:59:25 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:45356) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oOg36-0001UV-OV for bug-gnu-emacs@gnu.org; Thu, 18 Aug 2022 09:59:07 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:38377) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oOg35-0003Sh-RR for bug-gnu-emacs@gnu.org; Thu, 18 Aug 2022 09:59:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oOg34-0007gH-Gt for bug-gnu-emacs@gnu.org; Thu, 18 Aug 2022 09:59:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 18 Aug 2022 13:59:02 +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=B57207.166083109929474 (code B ref 57207); Thu, 18 Aug 2022 13:59:02 +0000 Original-Received: (at 57207) by debbugs.gnu.org; 18 Aug 2022 13:58:19 +0000 Original-Received: from localhost ([127.0.0.1]:56359 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oOg2N-0007fK-6S for submit@debbugs.gnu.org; Thu, 18 Aug 2022 09:58:19 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:59770) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oOg2I-0007f2-4Y for 57207@debbugs.gnu.org; Thu, 18 Aug 2022 09:58:17 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:50868) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oOg2C-0003Kc-RH; Thu, 18 Aug 2022 09:58:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=AZZyJifZAadnesBpTl0JluO0jEhg/KV11JmaMw2ogW4=; b=kiNuVXMEceJU +LjobL5j+nhJeoySQ1cjVmvrV/ZfygLXvoxdK6/hgHLeaPBN9yRD3LqGqeqesNcmDRNIhj6pWMBDQ MEcgoi9FDszcjobvnC41+KD3t90D4zxMIjiR9+WkX/9QpALdL80zZpa2qahoal8lpOwmyxdLpy7QZ HeIk398J8PCC5xBz+dneoGDtooK/RtcclRrHk6aFB80w4Nwru95OjhSTRbwNerZwxIRMJ3LHwWhiY fWi069hrbQT13eAlOgIuf7QMoKr8vMMRULwzyBm4yKISNNgOncLlFpibSAfqNj9bHIw6Cbr5qskUJ acJcsVwZTaQlUdwTxEu/ZA==; Original-Received: from [87.69.77.57] (port=1994 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 1oOg2C-0003P5-9g; Thu, 18 Aug 2022 09:58:08 -0400 In-Reply-To: <87wnb5wthm.fsf@gnus.org> (message from Lars Ingebrigtsen on Thu, 18 Aug 2022 15:50:45 +0200) 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:240156 Archived-At: > From: Lars Ingebrigtsen > Cc: yantar92@gmail.com, 57207@debbugs.gnu.org > Date: Thu, 18 Aug 2022 15:50:45 +0200 > > Eli Zaretskii writes: > > > Can you attach a debugger to this session, and produce a C and Lisp > > backtrace from Fnarrow_to_region and Fwiden when you do the above? > > Setting a breakpoint on Fnarrow_to_region doesn't trigger -- the buffer > flips back and forth to [Narrow] anyway. OK. Does this buffer have long lines? What does long-line-optimizations-p return?