Rev	Date		Test case	Notes
===============================================================================
1.1	31 JUL 98 	S1_V_A1		partial
1.2	31 JUL 98 	S1_V_A1		(I) -> (F) -> I  --> TE (test case err)
1.3	2 AUG 98 	S1_V_P2		TE (unbound var used)