Resize Policies
	A resize policy, say 
res_pol, should support the types and
methods below.
	
resize_policy_types.htmlTypes 	
 Methods:
	
		
resize_policy_constr_dest.htmlConstructors, destructor, and related 		
resize_policy_notification_methods.htmlNotification methods 		
resize_policy_size_methods.htmlSize methods 		
resize_policy_trigger_methods.htmlTrigger methods 	
	
