2.1.2 [W3C-DOM4] Section 3.6 Interface EventTarget

V0006: When dispatchEvent is passed a null value it throws an InvalidArgument error

The specification states:

 3.6 Interface EventTarget
 ...
 interface EventTarget {
     ...
     boolean dispatchEvent(Event event);
 };

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When dispatchEvent is passed a null value it throws an InvalidArgument error instead of TypeError.