GenMML(Document doc, PrintWriter pw) { tw = new TreeWalker(doc); msg = new PrintWriter(pw);
GenMML(Document doc, PrintStream pw) { theDocument = doc; msg = new PrintStream(pw);
	GenMML(Document doc, PrintWriter pw) {		tw = new TreeWalker(doc);		msg = new PrintWriter(pw);		smsg = new StyledPrintStream(msg);	}