I've used TECO on a VAX. There is no argument to be made that emacs isn't an improvement over TECO. Compared to modern editors, TECO is incredibly difficult t

I've used TECO on a VAX. There is no argument to be made that emacs isn't an improvement over TECO. Compared to modern editors, TECO is incredibly difficult to use. Hell, it's incredibly difficult to use compared to vi and emacs.