code: public void setFeature (String name, boolean value)
      throws SAXNotRecognizedException, SAXNotSupportedException
      {
      if (parent != null) {
          parent.setFeature(name, value);
      } else {
          throw new SAXNotRecognizedException("Feature: " + name);
      }
      }
docs: Set the value of a feature.
  
  <p>This will always fail if the parent is null.</p>
  
  @param name The feature name.
  @param value The requested feature value.
  @exception org.xml.sax.SAXNotRecognizedException If the feature
  value can't be assigned or retrieved from the parent.
  @exception org.xml.sax.SAXNotSupportedException When the
  parent recognizes the feature name but
  cannot set the requested value.