GNU bug report logs - #48201
bug(s) in underline-region

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Message #14 received at 48201 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefan <at> marxist.se>
To: "Basil L. Contovounesios" <contovob <at> tcd.ie>
Cc: 48201 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>,
 Boruch Baum <boruch_baum <at> gmx.com>
Subject: Re: bug#48201: bug(s) in underline-region
Date: Sun, 19 Sep 2021 10:07:32 -0700

"Basil L. Contovounesios" <contovob <at> tcd.ie> writes:

> Eli Zaretskii <eliz <at> gnu.org> writes:
>
>>> Date: Mon, 3 May 2021 13:27:53 -0400
>>> From: Boruch Baum <boruch_baum <at> gmx.com>
>>>
>>> The functions of package underline region doesn't check whether it's
>>> operations will work in the user's terminal or GUI environment. 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

Should this therefore be closed as notabug?

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