code: protected void initFooter() {
          if (footer != null) {
              try {
                  // Set the page number. HTML has no notion of a page, so it should always
                  // add up to 1
                  footer.setPageNumber(pageN + 1);
                  add(footer.paragraph());
              }
              catch(Exception e) {
                  throw new ExceptionConverter(e);
              }
          }
      }
docs: Adds the header to the top of the </CODE>Document</CODE>