I read this a few times trying to understand this. I guess OP means: > I was very productive, then, using emacs. "I was never more productive" isn't wrong, an

I read this a few times trying to understand this. I guess OP means: > I was very productive, then, using emacs. "I was never more productive" isn't wrong, and in context it should be clear. But, I read this like "Never, using emacs, did I experience increased productivity". It reminds me of that trope, "Couldn't care less".