{HEAD ~ The class} of the first object establishes {TAIL ~ alternate dispatch variables} which can be set at run time by a user making entries in a graphical user interface effective to cause redispatch of the message to the alternate object 
{ HEAD ~ The class } of the first object establishes { TAIL ~ alternate dispatch variables } which can be set at run time by a user making entries in a graphical user interface effective to cause redispatch of the message to the alternate object
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH