Not sure what you mean, but from my experience, you can do all that in Emacs. They're not one feature, but a couple distinct one. That’s why I said “easily swi

Not sure what you mean, but from my experience, you can do all that in Emacs. They're not one feature, but a couple distinct one. That’s why I said “easily switch between”. As in, a single piece of UI. If you’ve used any modern editor or IDE I’m sure you’ve seen this. I can't think of an outside-Emacs innovation that couldn't - and wouldn't - get ported over The person I was talking to uses fairly stock Emacs, so that’s not a useful point.