A pronoun… will aptly reflect the number of its antecedent: they does not refer to one person, no matter how many personalities she or he has, or how eager you are to skirt the gender frays. – Karen Elizabeth Gordon, “Agreements,” The Deluxe Transitive Vampire: The Ultimat

Among the losses punctuation suffers through the decay of language is the slash mark or diagonal… – Theodor W. Adorno (1903–1969), “Punctuation Marks,” Notes to Literature, V

A semicomma, we should note, doesn’t exist; we just made the word up. But it sounds like a punctuation mark that should exist, doesn’t it? – Richard Lederer and John Shore, Comma Sense: A Fun-damental Guide to Punctuation