docs: public void printSource(Source src, PrintStream out)
      {
          TransformerFactory tFact = TransformerFactory.newInstance();
          try {
              Transformer transformer = tFact.newTransformer();
  
              Result result = new StreamResult( out );
              transformer.transform(src, result);
          } catch (TransformerConfigurationException ex)  {
              ex.printStackTrace();
          } catch (TransformerException ex)  {
              ex.printStackTrace();
          }
      }