call forever
Returns:
- a :class:Thread object and an :class:Event that, when
+ a :class:`Thread` object and an :class:`Event` that, when
signaled, will stop the invocations.
.. note::
- It is possible to be invoked one time after the :class:Event
+ It is possible to be invoked one time after the :class:`Event`
is set. This event can be used to stop infinite
invocation style or finite invocation style decorations.