code: public void setLocalName (int index, String localName)
      {
      if (index >= 0 && index < length) {
          data[index*5+1] = localName;
      } else {
          badIndex(index);
      }
      }
docs: Set the local name of a specific attribute.
  
  @param index The index of the attribute (zero-based).
  @param localName The attribute's local name, or the empty
  string for none.
  @exception java.lang.ArrayIndexOutOfBoundsException When the
  supplied index does not point to an attribute
  in the list.