Cancellation: David, I can see your point. Future.cancel(true) was
discussed 8/27/05 and the extra text was added to make it clearer that the
state of Future after cancel is called is separate from the state of any
associated thread or task.
However, I think the added text corresponded too closely
This statement regarding what happens after cancel is called is correct:
"*After this method returns, subsequent calls to **isDone**() will always
return true*. Subsequent calls to isCancelled() will always return true if
this method returned true."
After cancel returns, the future is completed,
