The J2SE 5.0 spec states for public FocusTraversalPolicy getFocusTraversalPolicy():
  "Returns the focus traversal policy that will manage keyboard traversal of this Container's
   children, or null if this Container is not a focus cycle root. If no traversal policy has
   been explicitly set for this Container, then this Container's focus-cycle-root ancestor's
   policy is returned."

The spec does not describe one more case when the container has no ancestor.
What to expect as a return value: null or KFM.getDefaultFocusTraversalPolicy()?

There are two places in the spec which need to be updated:
  java/awt/Container.html#getFocusTraversalPolicy()
  java/awt/doc-files/FocusSpec.html#FocusTraversalPolicy

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