{if false}
{if off}
{if on}
{if no}
{if true}
{if yes}

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

[
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["keyword", "false"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["keyword", "off"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["keyword", "on"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["keyword", "no"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["keyword", "true"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["keyword", "yes"],
		["delimiter", "}"]
	]]
]

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

Checks for keywords.