Emscs undo both both of those reasons is just on another planet than any other editor. Being able to undo your undo (as infinitum) is killer because it just mea

Emscs undo both both of those reasons is just on another planet than any other editor. Being able to undo your undo (as infinitum) is killer because it just means you can never lose state. Refional undoing is even more amazing.