Original commit message from CVS:
2005-06-28  Andy Wingo  <wingo@pobox.com>

* tests/network-clock-utils.scm (debug, print-event): New utils.

* tests/network-clock.scm (*debug*, *with-graph*): New parameters.
(*packet-loss*): Unified loss probability.
(network-time): Report out-of-band events.

* tests/plot-data: Add support for out-of-band events. Hack it
into this script instead of passing it down the pipe; should fix
this later.