From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jim Porter Newsgroups: gmane.emacs.bugs Subject: bug#73600: 31.0.50; Visual wrap prefix mode and image display Date: Wed, 2 Oct 2024 09:37:48 -0700 Message-ID: <3117d4b7-751c-8c6d-8acf-48dc6464e723@gmail.com> References: <87wmiq1wsd.fsf@gautierponsinet.xyz> <86cyki1pgu.fsf@gnu.org> <86bk021p1k.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="24653"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 73600@debbugs.gnu.org To: Eli Zaretskii , gautier@gautierponsinet.xyz Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Oct 02 18:39:14 2024 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 1sw2Nd-0006C4-LF for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 02 Oct 2024 18:39:13 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sw2NU-0001Qk-V4; Wed, 02 Oct 2024 12:39:05 -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 1sw2NR-0001QR-MY for bug-gnu-emacs@gnu.org; Wed, 02 Oct 2024 12:39:02 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sw2NR-0006NQ-Ar for bug-gnu-emacs@gnu.org; Wed, 02 Oct 2024 12:39:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=debbugs.gnu.org; s=debbugs-gnu-org; h=In-Reply-To:From:References:MIME-Version:Date:To:Subject; bh=58vGNjZxbQaVXF01Jugtr49zNtKy1z9uyztsLHA/G4I=; b=I941O5eqFUslAlvxiSDlMks8qfeFiVq0P018I5B9m7zIBYHmHJIjQgRVB+l60n9to9hdTxn1KISO2utKbs8N4QsLwkVvtLUWyv0AE0/+EbZFnkUPs04O5IX7B9OCPSskdHEMIJPSwzQzRlJCTUn5aki1mL3WeExOy6YP9bftwCFqHYOu/+1ItKdr9K3+l7WyNxU1zsi2x6DY3vEdGUDkEhgRKRWm9eTax27/fGLDaVGXVs3wSgDO4d85vJoqJXVLVnoNTLo/OD2ONQc3KmVfTgw3a31Xqpx3FtA6PBr42I6u4PUDtJOtoO5p7DspQwomsrWfA+VTSe3GxoP5CFe02w==; Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1sw2NR-0002q3-VS for bug-gnu-emacs@gnu.org; Wed, 02 Oct 2024 12:39:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Jim Porter Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 02 Oct 2024 16:39:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 73600 X-GNU-PR-Package: emacs Original-Received: via spool by 73600-submit@debbugs.gnu.org id=B73600.172788713610897 (code B ref 73600); Wed, 02 Oct 2024 16:39:01 +0000 Original-Received: (at 73600) by debbugs.gnu.org; 2 Oct 2024 16:38:56 +0000 Original-Received: from localhost ([127.0.0.1]:59096 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sw2NL-0002ph-JS for submit@debbugs.gnu.org; Wed, 02 Oct 2024 12:38:55 -0400 Original-Received: from mail-pl1-f175.google.com ([209.85.214.175]:50341) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sw2NK-0002pP-4R for 73600@debbugs.gnu.org; Wed, 02 Oct 2024 12:38:54 -0400 Original-Received: by mail-pl1-f175.google.com with SMTP id d9443c01a7336-20bcae5e482so8140125ad.0 for <73600@debbugs.gnu.org>; Wed, 02 Oct 2024 09:38:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727887067; x=1728491867; darn=debbugs.gnu.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:mime-version:date:message-id:from:to:cc :subject:date:message-id:reply-to; bh=58vGNjZxbQaVXF01Jugtr49zNtKy1z9uyztsLHA/G4I=; b=KfyCs7SEtT1abQ+80OK+rNW/iaVRjLYGR5zRBytBhp1uj1r0irICEAjUD2oyKAEaH+ TAg3OKVwln3f8P9D+Mb6BH/dvuHK1lswAS1oWARGPTaUx+hLbH2JVCMv+IhZopgJpbUZ DQCgFKy10bRndUbHxwWgcAnP2QVvGBYQh1aB54DnpbdJA/0Wvd7U1hdrN7dBiW+wUL4/ 1BGsHsi9mDdkuEK7Q2i4F3hvrfEVoeUXAdg1F9oCYzJvf0O4ybQYRLmI914KPslUVs93 qgiQ4W0zx6WQmcjYevM/s6boA2pLiwJqFxKgzOmkhuSdUlJFuyOkpE8Zd8ShOWsMSp6c odbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727887067; x=1728491867; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=58vGNjZxbQaVXF01Jugtr49zNtKy1z9uyztsLHA/G4I=; b=rD066T4NrGNf3AaJwS+W20I3Zmr8mA2RiD3qF/xnak7C02TmynCfdcLpj3Rm0Iql24 YWI21pzfm55xx9mSSCVh3hXRASqQrStCarFEltwl1ySFvbpPg01pFol0Tudq7eEW/Vk0 eRDQ0OXm1uNaQ+JHH9eG+iroKeK1wu+xxKlEHd1yPpq9cu36mwmGjAoxl73XC2B7/+fS w6bofWwNt+k+CXSEFtm0e2/CyFywBDMGKP212CKzbruWxC9Iga9LP0rKJBybie683gRY es3OpJe5pzn7GmEIgASOzUVGscZUj+nM79pOHm85ydI6dabQ52KG6vzRYmzoAgWCVTia w3Ng== X-Gm-Message-State: AOJu0Yz9mVInLX4roNYohQ+IQDaYQ3pZd2nvCo6ImnbUkhGNHxlYnrVY AfruD5CtNrMi6Qk1TyCyMUL3cJHQp3M5URmb/T7KyoynEb9k5h/3 X-Google-Smtp-Source: AGHT+IEWUgv1SmLjnc3OmLzlFdU1QvDuHfNk3fwrzC53ey4nsoL+GgGq+jEcp2zU5Y5aceNyHJMjow== X-Received: by 2002:a17:902:e809:b0:20b:920e:8fd3 with SMTP id d9443c01a7336-20bc5a0cb90mr54320915ad.35.1727887067239; Wed, 02 Oct 2024 09:37:47 -0700 (PDT) Original-Received: from [192.168.1.2] (syn-023-240-098-037.res.spectrum.com. [23.240.98.37]) by smtp.googlemail.com with ESMTPSA id d9443c01a7336-20b37db312asm86254935ad.119.2024.10.02.09.37.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 02 Oct 2024 09:37:46 -0700 (PDT) Content-Language: en-US In-Reply-To: <86bk021p1k.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:292849 Archived-At: On 10/2/2024 8:51 AM, Eli Zaretskii wrote: >> Cc: 73600@debbugs.gnu.org >> Date: Wed, 02 Oct 2024 18:42:09 +0300 >> From: Eli Zaretskii >> >>> In emacs -Q: >>> - enable global-visual-wrap-prefix-mode, >>> - open the attached image. >> >> In a build with --enable-checking, this recipe causes an assertion >> violation: > > And in Emacs 30 the problem doesn't happen, so this is some regression > in Emacs 31. Probably due to my changes in commit 71505b723c9f. > > Jim, any ideas or suggestions? Strangely, this doesn't seem to happen with every image. "splash.png" in the Emacs repository seems fine, for example. I also can't reproduce this in EWW, even by opening the bad image reported in this bug. I haven't looked into the internals of 'image-mode' very much, but I seem to recall that it has some special code for scrolling large images. Maybe that's interacting in some bad way with 'visual-wrap-prefix-mode'? One option might simply be to disable 'visual-wrap-prefix-mode' when in 'image-mode'. I don't think wrapping is useful in that context.