public Parser ioControlParagraph() {
        if (ioControlParagraphParser == null) {
           FutureParser future = scoped("ioControlParagraph");
           ioControlParagraphParser = future;
           future.setParser(
               sequence(
                   token("I-O-CONTROL"),
                   token("."),
                   optional(
                       skipto(
                           choice(
                               paragraphStart(),
                               sectionStart(),
                               divisionStart()
                           )
                       )
                   )
               )
           );
        }

        return ioControlParagraphParser;
    }