{HEAD ~ Method} and system for dispatching {TAIL ~ a message} to an alternate object upon its failure to find a required method at the object to which originally sent 
{ HEAD ~ Method } and system for dispatching { TAIL ~ a message } to an alternate object upon its failure to find a required method at the object to which originally sent
HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH