code: public char[] getStringValueChunk(int nodeHandle, int chunkIndex,
                                      int[] startAndLen)
    {
  
      // %TBD%
      error(XMLMessages.createXMLMessage(XMLErrorResources.ER_METHOD_NOT_SUPPORTED, null));//"getStringValueChunk not yet supported!");
  
      return null;
    }
docs: Get a character array chunk in the string-value of a node.
  (see http://www.w3.org/TR/xpath#data-model
  for the definition of a node's string-value).
  Note that a single text node may have multiple text chunks.
  
  @param nodeHandle The node ID.
  @param chunkIndex Which chunk to get.
  @param startAndLen An array of 2 where the start position and length of
  the chunk will be returned.
  
  @return The character array reference where the chunk occurs.