node_modules/prismjs/tests/languages/parser/boolean_feature.test

(true)
(false)

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

[
	["expression", [
		["punctuation", "("],
		["boolean", "true"],
		["punctuation", ")"]
	]],
	["expression", [
		["punctuation", "("],
		["boolean", "false"],
		["punctuation", ")"]
	]]
]

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Checks for booleans inside expressions.