# Example Ruleset
# Scott Bronson
# 11 Nov 2001

condition trits on y	# always use trits (Y/M/N) instead of booleans

start main         		# Start with the menu named 'main'


# First define the symbols to configure
symbols
AP1	'Use Symbol 1' text
This is the help text for symbol 1.
.
AP2	'Use Symbol 2' text
This is the help text for symbol 2.
.
AP21 'Use Symbol 2.1' text
This is the help text for symbol 2.1
.
AP3	'Use Symbol 3' text
This is the help text for symbol 3.
.
SUB1	'Not normally visble' text
But defaults to y
.

main 'Simple CML2 Example'
subordinate 'Visibility check'

explain_ap1		'If AP1 is y, then AP2 and AP3 both must be n.  This is just a random restriction.'


# We'll set AP1 to y by default.
default AP1 from y


# Define the relationships between the options:
unless AP2>=m suppress AP21 			# AP21 is not visible unless ap2 is either y or m
require AP1 implies AP2==n and AP3==n	# if AP1 is y, then everything else is n
	explanation explain_ap1


menu main
	AP1
	AP2?
	AP21
	AP3? {subordinate}

default SUB1 from y

menu subordinate
	SUB1?
	
derive SAMPLE_STRING from "foo?"