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#68441: Fix the unaligned tab in whitespace mode Date: Sun, 14 Jan 2024 12:14:38 +0200 Message-ID: <837ckcfchd.fsf@gnu.org> References: Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="26724"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 68441@debbugs.gnu.org To: Young Arto Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jan 14 11:16:30 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 1rOxXZ-0006oF-MC for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 14 Jan 2024 11:16:29 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rOxXB-0004MB-Tb; Sun, 14 Jan 2024 05:16:05 -0500 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 1rOxX9-0004M3-9I for bug-gnu-emacs@gnu.org; Sun, 14 Jan 2024 05:16:03 -0500 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 1rOxX8-00042R-M6 for bug-gnu-emacs@gnu.org; Sun, 14 Jan 2024 05:16:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1rOxX7-0002Aj-OD for bug-gnu-emacs@gnu.org; Sun, 14 Jan 2024 05:16:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 14 Jan 2024 10:16:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 68441 X-GNU-PR-Package: emacs Original-Received: via spool by 68441-submit@debbugs.gnu.org id=B68441.17052273041296 (code B ref 68441); Sun, 14 Jan 2024 10:16:01 +0000 Original-Received: (at 68441) by debbugs.gnu.org; 14 Jan 2024 10:15:04 +0000 Original-Received: from localhost ([127.0.0.1]:41726 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rOxWC-0000K0-7K for submit@debbugs.gnu.org; Sun, 14 Jan 2024 05:15:04 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51584) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rOxW9-0000Dq-Pl for 68441@debbugs.gnu.org; Sun, 14 Jan 2024 05:15:02 -0500 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 1rOxW4-0003EC-Qg; Sun, 14 Jan 2024 05:14:56 -0500 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=3Gx9+pbx+YboBvMd0sGU8NjtoSJ7wJcg/udmye055dQ=; b=rk9FOslJ8reO UUCYMDJHoEefdyE1JN6inpGi/FJj5iXoLZ7GYRk7s0n4HVc/SYpDM7en+cmxmqg7XsrtjtzKCVs4p TzaoyhPF7RX1u0KlRK6f3pPFCqHIwyAZLFBYgaMOF7lkWJZIdg1hbarlGJZeIFrvWhNhf0aJXoVOY lATBb9dcHlYJYwHgEHWJZSLKhRsb60vMqbFgmeOwpC69tbRKrfM1C05PZybA4gNzmjGFAS5fCLklk j7IoD/vpoGZf6hiLDqhIVIu8iXRz0z2OQV8FLNExYPXEi38UKZhd/Q/Q/Op+5kHRxgQ/e1bXtvtC3 LIwgAck4bnpYPp5Webl+CA==; In-Reply-To: (message from Young Arto on Sat, 13 Jan 2024 12:23:27 +0000) 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:278196 Archived-At: > From: Young Arto > Date: Sat, 13 Jan 2024 12:23:27 +0000 > msip_labels: > > There is a bug in whitespace mode which used the display table to > replace a tab with a tab-mark vector. > > If we has a line like this: > ------ > 123\t5678 > ------ > > If tab-width is 4 and tab-mark is [?> ?\t], > The line will be displayed as following: > (we use '^' to represent tab extra spaces) > ------ > 123>^^^^5678 > ------ > > However, it should be displayed as: > ------ > 123>5678 > ------ I'm not sure I agree. We never display a TAB as nothing, no matter if it comes from a display vector or from a buffer or from any other source. So this patch changes long-standing behavior in non-trivial ways, and I'm not sure what it can break, after so many years. I understand that it makes certain customizations in whitespace-mode look better on display in some cases, but display-tables are used in Emacs not just in whitespace-mode. Thanks.