STEP 1: Write process stack and variability tables from customer writtings
				example: goto directory PROCESS_RULES/CUSTOMER_TABLES

STEP 2: Run tcl script process_to_tables.tcl to create Variability Tables
				example: under PROCESS_RULES/CUSTOMER_TABLES
				howto run: >> tclsh process_to_tables.tcl

STEP 3: Run script mk_process_rules.tcsh to create input file to rules_gen 
				example: under PROCESS_RULES
				read doc in  mk_process_rules.tcsh
				(./mk_process_rules.tcsh CUSTOMER_TABLES process.rules)

STEP 4: Run ade with tcl script rules_gen.tcl to create input file to extract
				example: under EXT_RULES
				(ade rulesGen.tcl)