'In the context of this joke, the phrase "and off-by-one errors" is not being used as a loop or array index, and therefore cannot create an off-by-one error in

'In the context of this joke, the phrase "and off-by-one errors" is not being used as a loop or array index, and therefore cannot create an off-by-one error in the joke itself.' This gave me déjà vu from some of the more pedantic comments I'd get on my failing answers in exams.