// but it is possible for CTEmbeddedDirector.
// When a CT refinement is made inactive for a long time
// and reentered, the previously stored breakpoints may
// be in the past... The same thing happens in the
// prefire() method of DE director.
breakPoints.removeAllLessThan(now);
}
if (_debugging) {
_debug("Remove " + now + " from the break-point list.");
}