2003-08-29  Dave Brolley  <brolley@redhat.com>

	* compSched.cxx (operator <<): Stream active_pin.
	(operator >>): Ditto.
	(active_pin): New member of scheduler_component.
	(advance): Drive active_pin with 1 or 0 as the enable
	threshold is crossed.
	(scheduler_component): Add "active_pin".
	(sid-sched.xml): Document "active" pin and interaction between
	"enabled?" and "enable-threshold".
	(sid-sched.txt): Regenerated.