@property<EOL><INDENT>def description(self):<DEDENT>
return '<STR_LIT>'<EOL>
Since other types of events (PublicEvents, class Series, etc.) are subclasses
of this class, it is a good idea to override this method for those subclasses,
to provide a more intuitive description.  However, defining this property at the
event level ensures that <object>.description can always be used to access a description
of the event.