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#61667: 29.0.60; Failure to redisplay Date: Sun, 26 Feb 2023 15:21:40 +0200 Message-ID: <41c5671e-e9c3-33f3-6c9c-8a1a6fc527fb@yandex.ru> References: <04d7cb31-684c-07c0-ee7b-503514fc1a85@yandex.ru> <96b742a05dea855f9636@heytings.org> <853eca8f-5850-dd73-7601-4fad92613ab9@yandex.ru> <0a7313f0-765c-aeca-ae50-6d8adbfb04ed@yandex.ru> <5002b0b34b1067395698@heytings.org> <628d9354-e334-0ad5-39c8-91081a5e9238@yandex.ru> <5002b0b34b1213122157@heytings.org> <5002b0b34b7a73483fe3@heytings.org> <5002b0b34b0ee4220ba5@heytings.org> <20e46a69-8b22-65b6-f725-4ab5e5ec41f0@yandex.ru> <5002b0b34bd381f6d1f9@heytings.org> <8716b41c97734e78145e@heytings.org> <8716b41c9757d7e81bd2@heytings.org> <1dafb35c-657c-037f-8244-4568b4e22fcd@yandex.ru> <8716b41c9708333e6bdb@heytings.org> <6f161919-7ee4-e461-e688-797c76fa6d74@yandex.ru> <83fsatj57m.fsf@gnu.org> <83356sk4jk.fsf@gnu.org> <2d674d22-fe8c-b7a3-115f-515a8a37b7e5@yandex.ru> <831qmck3qt.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; 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Sun, 26 Feb 2023 05:21:43 -0800 (PST) Content-Language: en-US In-Reply-To: <831qmck3qt.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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:256797 Archived-At: On 26/02/2023 14:31, Eli Zaretskii wrote: >> Date: Sun, 26 Feb 2023 14:23:49 +0200 >> Cc:luangruo@yahoo.com,61667@debbugs.gnu.org,gregory@heytings.org >> From: Dmitry Gutov >> >> On 26/02/2023 14:13, Eli Zaretskii wrote: >>> Thanks, but I still need to insist on more clarity, if possible. >>> >>> You say "disappears", in quotes, presumably to say that it's still >>> present but hard to notice? And before that, you say the delay is >>> always physically present? >> The delay is distance in time. It can't really be zero -- that's just >> physics: the OS has to process the keypress, Emacs has to read the file, >> run the major mode function, etc. >> >> The problem is when that delay becomes high enough to notice with a >> naked eye. > And that happens even if the frame title is not changed? No. Here are all the ways we have found that make the problem go away: --eval "(modify-frame-parameters nil '((inhibit-double-buffering . t)))" --eval "(setq frame-title-format \"foo bar foo\")" --eval "(modify-frame-parameters nil '((undecorated . t)))" When any of these arguments is passed to Emacs, the problem does not reproduce anymore. > IOW, is time interval between pressing RET at the end of the command > which starts Emacs and the time the text area of the window shows the > file's text -- is this time interval the same whether the frames title > changes or not? The command doesn't trigger Emacs to visit a file, though. So I mean the delay between me either - Pressing 'a' in one scenario (the 'emacs -Q ...' one) - Or pressing 'C-x b xas RET' (using Ido completion with my config) and the buffer's text being displayed.