262    262   	# Done in order of declaration.
264    264   	# declaration order.
273         -	    # actual use, except if we are forced to compute them.
282         -		# Ignore when a parameter was not defined.
274  +		# actual use, except if we are forced to compute them.
283  +		    # Ignore when a parameter was not defined.
289  +	    # Do not leave the flag behind in case of error.
290  +	    # Would influence following uses.