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#56682: Fix the long lines font locking related slowdowns Date: Thu, 04 Aug 2022 16:10:15 +0300 Message-ID: <83pmhg2lzc.fsf@gnu.org> References: <837d46mjen.fsf@gnu.org> <8335esjppt.fsf@gnu.org> <837d43j198.fsf@gnu.org> <83y1wjhkkh.fsf@gnu.org> <83wnc3hkdg.fsf@gnu.org> <49df74e5-e16a-a532-98d1-66c6ff1eb6c6@yandex.ru> <83pmhuft5a.fsf@gnu.org> <05388e8d8836c2e7ef3e@heytings.org> <136c4fe0fcb9ce5181cb@heytings.org> <3d639ea12689d767ba2a@heytings.org> <838ro44fc8.fsf@gnu.org> <3d639ea126d759bddfea@heytings.org> <83y1w42vp4.fsf@gnu.org> <3d639ea12618e6a503af@heytings.org> <83wnbo2uw3.fsf@gnu.org> <3d639ea126e3a4d880b8@heytings.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="34351"; mail-complaints-to="usenet@ciao.gmane.io" Cc: gerd.moellmann@gmail.com, 56682@debbugs.gnu.org, monnier@iro.umontreal.ca, dgutov@yandex.ru To: Gregory Heytings Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Aug 04 15:17:46 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 1oJajR-0008nK-94 for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [87.69.77.57] (port=1039 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 1oJacF-0003ND-2u; Thu, 04 Aug 2022 09:10:19 -0400 In-Reply-To: <3d639ea126e3a4d880b8@heytings.org> (message from Gregory Heytings on Thu, 04 Aug 2022 10:33:48 +0000) 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:238735 Archived-At: > Date: Thu, 04 Aug 2022 10:33:48 +0000 > From: Gregory Heytings > cc: gerd.moellmann@gmail.com, 56682@debbugs.gnu.org, monnier@iro.umontreal.ca, > dgutov@yandex.ru > > I know next to nothing about bidi, so it's very well possible indeed that > I confused "bidi" and "composition" (or "bidi composition"?). Anyway, > navigating through the locales.json file was slow (at some positions) > before the change and is now reasonably fast (but alas not instantaneous). > > > > > Are you saying that if you replace the Arabic text there with some other > > script that also requires composition processing (like one of the Indic > > scripts, see lisp/language/indian.el), editing this file is > > significantly faster? > > > > I think the locales.json file contains samples of pretty much all > available scripts. Devanagari for example is around position 3260000. > As far as I can tell, navigating in that part of the file is not > significantly faster with the change. It is only in the parts of the file > that contain e.g. Arabic text that the speedup is visible, around position > 70000 for example. OK, I will take a look. > > Btw, I'm unable to edit that file on the branch, because > > show-paren--default causes an assertion violation. I'm pretty sure > > that's due to the issues in narrow-to-region that were already fixed on > > master. > > I just merged master into the feature branch. Thanks.