24. A color management method according to claim 22 , wherein each external rule and each internal rule specifies a rule condition and a corresponding rule process, and wherein for each rule condition that is satisfied, based on the received factual input, the rule engine executes the corresponding rule process which adds the respective function module and sources of parameters to the sequence of function modules.
24. A color management method according to claim 22 , wherein each external rule and each internal rule specifies a rule condition and a corresponding rule process, and wherein for each rule condition that is satisfied, based on the received factual input, the rule engine executes the corresponding rule process which adds the respective function module and sources of parameters to the sequence of function modules. 25. A color management method according to claim 24 , wherein the order in which the function modules appear in the sequence of function modules is determined by the order in which the corresponding rule process is executed by the rule engine.