boolean_feature.test

foo=on
foo=true
foo=yes
foo=off
foo=false
foo=no

----------------------------------------------------

[
	["key", "foo"],
	["operator", "="],
	["value", [
		["boolean", "on"]
	]],

	["key", "foo"],
	["operator", "="],
	["value", [
		["boolean", "true"]
	]],

	["key", "foo"],
	["operator", "="],
	["value", [
		["boolean", "yes"]
	]],

	["key", "foo"],
	["operator", "="],
	["value", [
		["boolean", "off"]
	]],

	["key", "foo"],
	["operator", "="],
	["value", [
		["boolean", "false"]
	]],

	["key", "foo"],
	["operator", "="],
	["value", [
		["boolean", "no"]
	]]
]