m_useSourceLocationProperty=false; m_sourceSystemId = (m_useSourceLocationProperty) ? new StringVector() : null; m_sourceLine = (m_useSourceLocationProperty) ?  new IntVector() : null; m_sourceColumn = (m_useSourceLocationProperty) ?  new IntVector() : null;
  public SAX2RTFDTM(DTMManager mgr, Source source, int dtmIdentity,                 DTMWSFilter whiteSpaceFilter,                 XMLStringFactory xstringfactory,                 boolean doIndexing)  {    super(mgr, source, dtmIdentity, whiteSpaceFilter,           xstringfactory, doIndexing);  }