I wrote about this more here: https://edmcman.github.io/blog/2020-04-01
--the-rabbit-hole-of-multi-line-ur-ls/
But yes, this is not a gnome-terminal bug.
** Changed in: gnome-terminal (Ubuntu)
Status: New => Invalid
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https://weechat.org/files/doc/devel/weechat_user.en.html#option_weechat.look.eat_newline_glitch:
"[eat_newline_glitch] is disabled by default because it can cause
serious display bugs"
Try the behavior in xterm, too. If it's buggy there too then it clearly
has nothing to do with gnome-terminal.
I managed to track this down to a particular option in weechat,
eat_newline_glitch. The problem occurs when there are lines that are
_exactly_ as long as the terminal width. Here is the script:
https://gist.github.com/edmcman/8fa071e68af14c288bf1801ffc142f61
At this point, I believe it unlikely
