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capitalization of hyphenated words (The English Language Institute at the University of Delaware advises: You capitalize the first word in a hyphenated word within a title. Capitalize the second word only if it is a noun or an adjective that is as important as the first word. In your example, "-down" should not be capitalized. It's not a noun or an important word. "GPIO Pull-down Control Register". If the first element is merely a prefx or combining form that could not stand by itself as a word (ant, pre, etc.), do not capitalize the second element unless it is a proper noun or proper adjective. The Chicago Manual of Style. E.g., Anti-intellectual pursuits. Anti-inflammatory drugs.Re titles, I see that The Chicago Manual of Style (section 7.128) also advises capitalizing the "subsequent elements" unless they are articles, pepositons, coordinating conjunctions, or musical modifiers like "flat." If the first element, however, is a prefix, then the second element is not capitalized unless it is a proper noun or adjective. Examples: Twentieth-Century Literature Out-of-Fashion Initiatives E-flat Concerto Strategies for Re-establishment Anit-intellectual Pursuits Alexander Demidov) |