code: public final void writeXml(T property, Element element, WriteContext context) {
  		XCalElement xcalElement = new XCalElement(element);
  		_writeXml(property, xcalElement, context);
  	}
docs: Marshals a property's value to an XML element (xCal).
  @param property the property
  @param element the property's XML element
  @param context the context
  @throws SkipMeException if the property should not be written to the data
  stream