code: public boolean addHeader(String name, String content) {
          try {
              return add(new Header(name, content));
  		} catch (DocumentException de) {
              throw new ExceptionConverter(de);
          }
      }
docs: Adds a user defined header to the document.
  
  @param name
  the name of the header
  @param content
  the content of the header
  @return	<CODE>true</CODE> if successful, <CODE>false</CODE> otherwise