GNU bug report logs - #57728
29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals

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From: Akib Azmain Turja <akib <at> disroot.org>
To: Gregory Heytings <gregory <at> heytings.org>
Cc: Gerd Möllmann <gerd.moellmann <at> gmail.com>, Eli Zaretskii <eliz <at> gnu.org>, 57728 <at> debbugs.gnu.org
Subject: bug#57728: 29.0.50; Emacs writes wrong glyph at the bottom-right corner of text terminals
Date: Mon, 12 Sep 2022 14:59:57 +0600

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Gregory Heytings <gregory <at> heytings.org> writes:

>>> Here is (I think) a recipe to demonstrate what the OP has in mind
>>> (tested with xterm, rxvt, st, kitty, alacritty, Linux console):
>>>
>>> 1. emacs -Q -nw
>>>
>>> 2a. if your terminal emulator has a light background: M-x
>>> load-theme RET modus-vivendi RET
>>>
>>> 2b. if your terminal emulator has a dark background: M-x load-theme
>>> RET modus-operandi RET
>>>
>>> Observe at that point that the last character (the one at the
>>> bottom right) does not have the background color of the chosen
>>> theme.  So far so good.
>>
>> The OP filed a bug for this, and he might work on it he said.
>>
>> This is because 'write' deliberatly leaves the bottom-right corner
>> alone if the terminal has "auto right margin" (autowrap).
>>
>
> Yes, my understanding is that this bug (bug#57728) is a dependency for
> bug#57607.
>
>
>

No, I think fixing bug#57607 would also fix this bug (bug#57728).

-- 
Akib Azmain Turja

Find me on Mastodon at @akib <at> hostux.social.

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