... 44functional concept of, 44open style, 44, 48question mark,after direct questions, 69, 70functions of, 69, 93use with other marks, 70 questions, comma with, 51direct, question mark after, 69indirect, ... AMNASA SP-7084 Grammar, Punctuation, and CapitalizationA Handbook for Technical Writers and Editors Mary K. McCaskillLangley Research CenterHampton, VirginiaChapter 1. Grammar Page 121.5. ... capitalization, 87gerunds,and active writing, 30as subjects, 21dangling, 22, 25defined, 21, 92 grammar, defined, 92functional concept of, 1headings, capitalization, 79headline style capitalization....