On Sat, Dec 28, 2019 at 4:00 PM Олег Андриянов <[email protected]> wrote:
>
> Hi!
>
> Recently I have built fresh vim 8.2 to use it's embedded terminal feature, 
> and I started to notice some weird artifacts when inserting text. It's like 
> vim forgets to redraw the screen or something. For example, here is a 
> screenshot right after I run "vim-8.2 -u NONE" and hit "i" to start inserting 
> text:
>
> https://i.imgur.com/mHq18Ni.png
>
> Note that I didn't actually enter anything after hitting "i". Also note that 
> welcome screen text is still present on the screen — it must disappear when 
> you switch to the insert mode. When I hit Ctrl+L, the artifacts disappear, 
> but they come back every time I start inserting.
>
> I observe the problem only when I run vim inside terminator. When I use 
> xterm, everything works fine. It also works well when I run vim inside GNU 
> screen. There is no such issue with vim version 8.0.197 running inside the 
> same terminator.
>
> I really like new features of vim 8.2. How can I work around this glitches, 
> besides always starting vim inside GNU screen?

Hm. My guess is that your Terminator executable pretends to be an
xterm but doesn't act 100% like one, and that you hit one of those
corner cases when it doesn't.

Vim works well, and doesn't show those spurious characters, in the
following circumstances:
- when run as gvim (i.e. as a GUI)
- when run in a "true" xterm
- when run in a pseudo xterm which really mimics the behaviour of a
true xterm. My konsole terminal (version 18.12.3) is one. There are
others.

Myself, I don't use Terminator, but maybe someone else (who does) is
reading this.

Best regards,
Tony.

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