It is easy to do screen redrawing wrong. Intellij Idea had similar problem: https://blog.jetbrains.com/idea/2015/08/experimental-zero-latency-typing-in-intelli

It is easy to do screen redrawing wrong. Intellij Idea had similar problem: https://blog.jetbrains.com/idea/2015/08/experimental-zero-latency-typing-in-intellij-idea-15-eap/ https://blog.jetbrains.com/idea/2015/08/experimental-zero-la...