From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#8355: 24.0.50; Boxes in mode-line and scrolling Date: Tue, 08 Dec 2020 19:18:12 +0100 Message-ID: <87czzkb1qz.fsf@gnus.org> References: <87k4fkr896.fsf@gmail.com> <871rg0ibj2.fsf@gnus.org> <87v9dcqojh.fsf@inria.fr> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="22863"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 8355@debbugs.gnu.org To: Antoine Levitt Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Dec 08 19:43:32 2020 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 1kmhxT-0005ql-U4 for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kmhYz-00062N-PW; Tue, 08 Dec 2020 19:18:16 +0100 Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAABGdBTUEAALGPC/xhBQAAACBj SFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAElBMVEVHNyqoYi7HnVPF s653apL///9n96kHAAAAAWJLR0QF+G/pxwAAAAd0SU1FB+QMCBIPNY/MmSgAAAGZSURBVDjLddOB ccMgDAVQ0XoAoB0gKJkAeQCnZv+Z+r8wNmmuvkuc8CwBEhYJKaUowg9/jqv/w7DjC/jz4RZO0KSq gEzNJcypVAvHmM9hECIU8SVeIDMwn2jw8R5yAh7OR0SIF/iyPmQGq8rYyNkP8GR3sw6efwBG/oVm VuXpU7yAtB3Q9C+ILB3KOzQAkDvHsv+Amd0kYHspvgGq+A8E8YKkC3bC+kzvoIQVWywiU7LWJggx nLI8HX56BGAkW0ICPJ7sIBtTNUo46sWd87kcQ75bLQekNEqS2R5ADN+b9wTw4CNZFV2oqtmsOZiu zHlAUcStjamsFzFrwZDpnd8NQsCKAs5F7rkctiA4ESwiIrJ2WK2tiOFRQcasidPUUhGx2gEl8QA6 fNc7Yd2lx59H1sEXxjtO/QHl074mqANKXGyOYHd9EhTC/xLyFZGwof0CHlSfnH1abAYP6M2bAYu/ 4LOPN1aLq08D9gHsVYfebiyK69q8WVnTK6C4/c2aYW+8rld+zIFDuB3AV+oMoGyNM/DXHIBrW/z2 C9R3ZmgKA98PAAAAJXRFWHRkYXRlOmNyZWF0ZQAyMDIwLTEyLTA4VDE4OjE1OjUzKzAwOjAw9//2 bAAAACV0RVh0ZGF0ZTptb2RpZnkAMjAyMC0xMi0wOFQxODoxNTo1MyswMDowMIaiTtAAAAAASUVO RK5CYII= X-Now-Playing: Sam Amidon's _Sam Amidon_: "Reuben" In-Reply-To: <87v9dcqojh.fsf@inria.fr> (Antoine Levitt's message of "Tue, 08 Dec 2020 16:56:50 +0100") 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:195416 Archived-At: Antoine Levitt writes: > Here's a reproducer from emacs -Q (just reproduced on 27.1): > > Set > (setq scroll-conservatively 100000000) > (setq scroll-preserve-screen-position 'stay) > > Open a latex file of some complexity (with sections and math, for > instance https://arxiv.org/e-print/2003.00726, but it works on any tex > file), and make sure it's in latex-mode. Go somewhere in the middle of > the file, center point (C-l), then scroll up then down (C-v and M-v). Yup; I can reproduce this in Emacs 28 -- point moves around a lot when paging back and forth. > I traced it down to > lines of varying heights: it disappears if I set > (setq font-latex-fontify-script nil) > (setq font-latex-fontify-sectioning 'color) Yes, I guess this is due to the mixture of line heights in that buffer -- when it's computing how many lines to scroll back and forth, it's not being consistent when going forward and backward. Eli, does this sound familiar to you? -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no