If any sort of error is inexcusable, it's an incorrect phone number. One of the cardinal rules of copy editing is that every phone number published must be checked. ↗
I was editing Canadian Literature. I didn't want to let Canadian Literature go, so they reached a nice compromise by which I received half a professor's salary. ↗
My goal is to strip things down so that you need just the right amount of words or shape to convey what you need to convey. I like editing. I like it very tight. ↗