From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: "Basil L. Contovounesios" Newsgroups: gmane.emacs.bugs Subject: bug#48201: bug(s) in underline-region Date: Mon, 03 May 2021 23:31:09 +0100 Message-ID: <87zgxbxxea.fsf@tcd.ie> References: <20210503172753.eh5ben552ebohxo4@E15-2016.optimum.net> <83wnsf66vo.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="16072"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 48201@debbugs.gnu.org, Boruch Baum To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue May 04 00:41:57 2021 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 1ldhGH-00042T-1p for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 04 May 2021 00:41:57 +0200 Original-Received: from localhost ([::1]:33418 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ldhGG-0000Uz-4p for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 03 May 2021 18:41:56 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55684) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldh6g-0006B5-Ic for bug-gnu-emacs@gnu.org; Mon, 03 May 2021 18:32:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:37545) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ldh6g-0000rd-7p for bug-gnu-emacs@gnu.org; Mon, 03 May 2021 18:32:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ldh6g-00067H-4H for bug-gnu-emacs@gnu.org; Mon, 03 May 2021 18:32:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: "Basil L. 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When I >> try using the feature in emacs-nox, it replaces the region with >> what is for that environment interleaved garbage in the form of "_\b". > > AFAIU, this package does that 100% intentionally. I believe so too: it's a kind of backspace overstriking referred to by termcap/nroff/ul. A variation is often seen in the output of fortune. See e.g.: - https://www.emacswiki.org/emacs/UnterminalString - https://unix.stackexchange.com/q/274658/230197 -- Basil