But we did get mouse events in the terminal and certainly those didn't exist back in the 70s. Or bracketed paste. It's not hard to imagine that there will be a

But we did get mouse events in the terminal and certainly those didn't exist back in the 70s. Or bracketed paste. It's not hard to imagine that there will be a standard developed (well, 5 standards, then 15 standards and eventually one will remain as the de-facto standard) for keyup events, if there was demand for it.