TransformerFactory#setErrorListener} for
reporting errors that have to do with syntax errors in the transformation
instructions, or via
{@link javax.xml.transform.Transformer#setErrorListener} to report
errors that occur during the transformation. The <code>ErrorListener</code> on both objects
will always be valid and non-<code>null</code>, whether set by the application or a default
implementation provided by the processor.
The default implementation provided by the processor will report all warnings and e