code: public void ignorableWhitespace(char ch[], int start, int length)
          throws org.xml.sax.SAXException
      {
  
          if (0 == length)
              return;
          characters(ch, start, length);
      }
docs: Receive notification of ignorable whitespace in element content.
  
  Not sure how to get this invoked quite yet.
  
  @param ch The characters from the XML document.
  @param start The start position in the array.
  @param length The number of characters to read from the array.
  @throws org.xml.sax.SAXException Any SAX exception, possibly
  wrapping another exception.
  @see #characters
  
  @throws org.xml.sax.SAXException