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							-   o Minor features
 
-     - When expiring circuits, use microsecond timers rather than one-second
 
-       timers.  This can avoid an unpleasant situation where a circuit is
 
-       launched near the end of one second and expired right near the
 
-       beginning of the next, and prevent fluctuations in circuit timeout
 
-       values.
 
 
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