code: private void setupParser ()
      {
      // catch an illegal "nonsense" state.
      if (!prefixes && !namespaces)
          throw new IllegalStateException ();
  
      nsSupport.reset();
      if (uris)
          nsSupport.setNamespaceDeclUris (true);
  
      if (entityResolver != null) {
          parser.setEntityResolver(entityResolver);
      }
      if (dtdHandler != null) {
          parser.setDTDHandler(dtdHandler);
      }
      if (errorHandler != null) {
          parser.setErrorHandler(errorHandler);
      }
      parser.setDocumentHandler(this);
      locator = null;
      }
docs: Initialize the parser before each run.