From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.bugs Subject: bug#56682: Fix the long lines font locking related slowdowns Date: Wed, 3 Aug 2022 03:26:02 +0300 Message-ID: <68722578-414c-a0d9-57f2-21a0e6d74c0f@yandex.ru> References: <837d46mjen.fsf@gnu.org> <8a3eaeef01be5bfaa5ef@heytings.org> <05388e8d8812bfa3695d@heytings.org> <83v8rf5894.fsf@gnu.org> <65cb7c73fd4a999cca00@heytings.org> <8c7321f2f3400a5db9be@heytings.org> <8c7321f2f388e5343475@heytings.org> <8c7321f2f36494299e61@heytings.org> <8c7321f2f336523624e3@heytings.org> <83r1202meh.fsf@gnu.org> <6020ffaf-9069-0070-76cf-a13379ef01b5@yandex.ru> <83les71ilg.fsf@gnu.org> <06c5560d-3009-e5a5-3d33-fe5d2ec32d6b@yandex.ru> <74ddc877f17a06d8f120@heytings.org> <83wnbq62sz.fsf@gnu.org> <74ddc877f1b7de1eaf91@heytings.org> <9a8f98b5-3943-be38-908a-3aad3f282ccb@yandex.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; 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Tue, 02 Aug 2022 17:26:03 -0700 (PDT) Content-Language: en-US In-Reply-To: <9a8f98b5-3943-be38-908a-3aad3f282ccb@yandex.ru> 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:238603 Archived-At: On 03.08.2022 03:00, Dmitry Gutov wrote: > On 02.08.2022 19:19, Gregory Heytings wrote: >> >>>> Try to open the dictionary.json with Emacs on master a month ago. >>> >>> I believe it can also be done with the current master, just after >>> setting long-line-threshold to the nil value.  Right? >>> >> >> Indeed.  With master from one month ago it's even more crystal-clear >> that you see the statu quo ante. > > If I set long-line-threshold to nil, does that also disable the > redisplay optimizations related to long lines? > > Ones that caused scrolling delays even after the buffer has been fully > fontified. I mean those that *fixed* the said scrolling delays, of course.