Q: I saw a post online that said only people over the age of forty put two spaces after a period. But I’m under thirty, and my college professors said to use two. I’m confused. Which is correct?
A: Both are correct in different circumstances.
As with so much else that publishing professionals get needlessly worked up about, this is a style choice, not a matter of right or wrong.
Three of the most popular style books currently in use, The Chicago Manual of Style, The Associated Press Stylebook, and The MLA Handbook (Modern Language Association), all call for one space after what we call terminal punctuation—that is, whatever marks the end of a sentence, whether it’s a period, question mark, or exclamation point. Continue reading