Events
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.. function:: printEvent([destination,] event [, description])

   prints the description of *event* in *destination* (see fprintf),
   including *description* if it is specified.

.. function:: ignoring([destination,] event [, description])

   Same as printEvent, with a slightly different presentation.
   Used to draw attention to events which are not handled.

.. function:: queueEvent(type [, value [, index [, source]]])

   Queue an event

.. function:: addHandler(args)

	   assign a specific thread to handle certain events

.. function:: removeHandler(args)

	   remove an event handler thread assignment

.. function:: eventMatch(args)