... Petrarchan) "Shakespearean"><!ELEMENT text (line,line,line,line,line,line,line,line,line,line,line,line,line,line) ><!ELEMENT author (last-name,first-name,nationality,year-of-birth?,year-of-death?) ... Node.PROCESSING_INSTRUCTION_NODE:processingInstructions++;break;}}/** Main program entry point. */public static void main(String argv[]){if (argv.length == 0){System.out.println("Usage: java ... enjoy reading that kind of thing.Appendix – Listings of our samples Tutorial – XML Programming in Java 40public void warning(SAXParseException ex){System.err.println("[Warning] "+getLocationString(ex)+":...