On Sat, Oct 05, 2002 at 08:09:23 -0400, Paul Davis wrote:
  the obvious solution:
     * client registering terminal input port registers an output port,
         ties the output port to the terminal input port.
     * meter using the output port.
 problem: this violates the intended semantics of "terminal port".  
I dont think there should be anything special about terminal ports (as far
as the clients are concerned, obviously the graph sorted needs to use it
for grounding out the graph.
- Steve