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#63187: 30.0.50; Tail of longer lines painted after end of nearby lines on macOS Date: Mon, 01 May 2023 15:40:36 +0300 Message-ID: <83wn1sns1n.fsf@gnu.org> References: <87ilddec31.fsf@yahoo.com> <87edo0exct.fsf@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="28561"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 63187@debbugs.gnu.org, aaronjensen@gmail.com To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon May 01 14:41:22 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 1ptSqI-0007Gt-6p for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 01 May 2023 14:41:22 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ptSq2-0004E9-Ev; Mon, 01 May 2023 08:41:06 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ptSpy-0004Ck-Ax for bug-gnu-emacs@gnu.org; Mon, 01 May 2023 08:41:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ptSpx-0003vO-WB for bug-gnu-emacs@gnu.org; Mon, 01 May 2023 08:41:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ptSpx-0005Uv-Rp for bug-gnu-emacs@gnu.org; Mon, 01 May 2023 08:41:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 01 May 2023 12:41:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 63187 X-GNU-PR-Package: emacs Original-Received: via spool by 63187-submit@debbugs.gnu.org id=B63187.168294481721053 (code B ref 63187); Mon, 01 May 2023 12:41:01 +0000 Original-Received: (at 63187) by debbugs.gnu.org; 1 May 2023 12:40:17 +0000 Original-Received: from localhost ([127.0.0.1]:39112 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ptSpF-0005TU-BO for submit@debbugs.gnu.org; Mon, 01 May 2023 08:40:17 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:58376) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ptSpD-0005TF-4m for 63187@debbugs.gnu.org; Mon, 01 May 2023 08:40:15 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ptSow-0003Yh-Ep; Mon, 01 May 2023 08:40:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=vV97zb+8Y8I4uFDiNtxW9EGQ0Dot1YJ2v26RVl4sloA=; b=gCdtz5pyBt8i /iKJjwLN4t/SYHKt2f3NqUePkxnaScwNh937O+oMYD/YWGN2wncXvUk3FWSlvJnBj/ZeJ1SutMnSS MNxF1AQAzhxteeEhUzAKAUDEORDc0npd9C0HUzgYw5U8Gg5IIiF1XC266nDSALE/lVtApfw1Rkfu/ qlCHrsomd5IQfrPM8ZyNHT/V+cIklWITzLkN+NsljywXXijTG8QG2nvn/x7MrCmqg+zX5j5i9Lvas OHD80MzBKx/BWl/qLHqY8YMjnjYc1UmHpMd17+JzpPp1Xn8HRXjxT86GPHIe+dB5b3vfEsCdrg/F+ S9MbUXYnVXEYTtkBM3//xA==; Original-Received: from [87.69.77.57] (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 1ptSor-0005vG-N8; Mon, 01 May 2023 08:39:56 -0400 In-Reply-To: <87edo0exct.fsf@yahoo.com> (bug-gnu-emacs@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:260862 Archived-At: > Cc: 63187@debbugs.gnu.org > Date: Mon, 01 May 2023 07:58:26 +0800 > From: Po Lu via "Bug reports for GNU Emacs, > the Swiss army knife of text editors" > > Aaron Jensen writes: > > > Is there anything specific to macOS that is involved in scrolling optimization? > > Yes, Apple deleted the API used to perform bit blits, so Emacs uses a > workaround that I don't really understand, and seems unreliable. You mean, ns_scroll_run in nsterm.m? Which parts of it do you not understand?