AP style: First letter in first word of compound modifier is capitalized. The second word is lowercase per AP editors.
APA/MLA: Updated logic to lowercase second word of hyphenated words with the following prefixes (source): E, Mid, Out, Post, Super, Under, Ultra, Mega, Co, Ante, Anti, Counter, De, Ex, Non, Pre, Pro, Semi, Sub
July 23, 2021
Updated logic for phrasal verbs
Updated logic for “like” and “with” in Chicago style
Added conversion of straight quotes to curly quotes
July 6, 2021
Updated New York Times logic for “up” to always capitalize the word
Updated New York Times logic for “to” to lowercase it
Updated AP logic for “so” to capitalize it when used as an adverb
