--- the concatenation of plan-syntax.m plan-sorts.m  
--- plan-network.m plan-semantics.m
--- Date: Sat, 25 Aug 2001 00:44:24 -0700
--- From: Mark-Oliver Stehr <stehr@csl.sri.com>
--- Revised by CLT 01 Oct

in plan-syntax.m 
in plan-sorts.m
in plan-network.m
in plan-semantics.m