From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stephen Berman Newsgroups: gmane.emacs.bugs Subject: bug#58558: 29.0.50; re-search-forward is slow in some buffers Date: Wed, 12 Apr 2023 16:38:53 +0200 Message-ID: <87wn2h88si.fsf@gmx.net> References: <877d10r21x.fsf@localhost> <87wn6vbfaa.fsf@localhost> <838rjbpecw.fsf@gnu.org> <87fsdjwb4e.fsf@localhost> <874jtyuqax.fsf@localhost> <83zgbqm8q6.fsf@gnu.org> <87sfhit8ug.fsf@localhost> <83tu1ym6jo.fsf@gnu.org> <87h6xyt77x.fsf@localhost> <87h6ttkz6n.fsf@localhost> <838rf5qkpt.fsf@gnu.org> <87lej0zv92.fsf@localhost> <83ttxol6f5.fsf@gnu.org> <87h6tolybs.fsf@localhost> <87zg7e8xnt.fsf@localhost> <83ttxmab7x.fsf@gnu.org> <87sfd5b4oy.fsf@localhost> <83fs956ulv.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="5494"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: 58558@debbugs.gnu.org, acm@muc.de, yantar92@posteo.net, larsi@gnus.org, Stefan Monnier To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Apr 12 16:40:34 2023 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 1pmbeE-0001Ee-Ez for geb-bug-gnu-emacs@m.gmane-mx.org; 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Wed, 12 Apr 2023 16:38:55 +0200 In-Reply-To: <83fs956ulv.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 12 Apr 2023 17:30:36 +0300") X-Provags-ID: V03:K1:BwpWb7QOTVI2GH2Op1qhZtXiSAHZo6CbJ3b40/QtNesEJwafZGd vCCmo62t/+GcatK7Fa0haibFelduJSiEgzOBeEtCSrboAJIKZlh+jPjmfjreVzuEyF9q85f e6oe5izdWzpopa2tnuVRx6U+bqVAUMgFLVrsheI4EIlcU3myi2O6dUwvKT54/dNtJBdxk6V wZPIyLyKNzszN3H7ls/oQ== UI-OutboundReport: notjunk:1;M01:P0:6VqzgZumC48=;W5zxjTJ60OSBFSXnm/4S0O6Prce bn79xKgl7W4+Cq4KL+NwpvajSC3yrk86i7jy97F93ApmeebuQJJ26+9mwoYpHXrM5v/2NpAxW BXObRyL/rtp041sV0GnL+aVQQzaSCVe6UhUZdbdPJBqMeexwmNgETZzXL2KQCz3HsJ3YiU6pn ueVlgEdE+SqvrQfUGUQWm4glRt5odrGYiEJjviswq9Y49LXxXdsSg7vFZpuh1B1LJHtj3BEa/ LN6QKwhzxYlXHhWiJO1y/GXRe5QgJOpJ6qEXXqdl7OlNAVBBrxD5w4efSY+y28aEUISu7y1aC f8nDMjiDRsNAE2qF0ElKTmv60ZaXJbHBWrejzy7o2+P884I5fAkpq4UCtiuPyEtRBa/mZAPSJ eAIaHXMxkC3eKtc1MdXv1Oukx4cMD8wv5hb/FLqAaIDYwnJyMyl8YygCn4b4WZ2yVNl3ZeSYL vCJ5g5nwRNJ5E8HtpTgo9F4q/LrT25CYRmBqNgG10dUEVmzo7xqaEPrnSB/kxvDdjGoHzhQ6h zd54RAR9Cm10xQsIZ4hAUo3gr4c45yqwv8TYT2WK0zkcCRruATWxkjt51h/EqvLhsrkclpW+m qIFtbNxeXlg3dt2YfX6mhkUuAfx9V9PyrV0bvnHCmy8xMEFdwuAVs2oZM2gJWBwjNWZkL2F3X EWGAvjzGwWAgG4VZTxXrGe8krVnIU2LwrchVEMWUc7Xb34PMp8yJ1O3Vp6mh3pb8R2uzgGOcS +3C+PU5+dkfxyjlmV9H+jeiVHHSqqNZpd5vHy/il9YnHTwzX0agukF5KMGfvBU9fl9pzKDx5 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:259755 Archived-At: On Wed, 12 Apr 2023 17:30:36 +0300 Eli Zaretskii wrote: >> From: Stefan Monnier >> Cc: Ihor Radchenko , Eli Zaretskii , >> larsi@gnus.org, 58558@debbugs.gnu.org >> Date: Wed, 12 Apr 2023 10:06:03 -0400 >>=20 >> > 1. emacs -Q >> > 2. M-: (require 'cc-langs) >> > 3. C-x b asd >> > 4. M-: parse-sexp-lookup-properties =3D> t >> > >> > On Emacs 28, (4) yields nil. >>=20 >> I suspect that the patch below might fix the immediate problem. >> Of course, setting `parse-sexp-lookup-properties` should not have such >> a major performance impact, so maybe we should keep digging into >> the problem. > > Also, that code was there in Emacs 28 as well, so how come it suddenly > has this effect now? Note that, with emacs-28 -Q, `C-h v parse-sexp-lookup-properties' =3D=3D> parse-sexp-lookup-properties is a variable defined in =E2=80=98C source c= ode=E2=80=99. =20=20 Its value is nil while with emacs-29 -Q, `C-h v parse-sexp-lookup-properties' =3D=3D> parse-sexp-lookup-properties is a variable defined in =E2=80=98C source c= ode=E2=80=99. =20=20 Its value is t Local in buffer *scratch*; global value is nil Steve Berman