(cons)
(car)
(cdr)
(null?)
(pair?)
(boolean?)
(eof-object?)
(char?)
(procedure?)
(number?)
(port?)
(string?)
(vector?)
(symbol?)
(bytevector?)
(list)
(call-with-current-continuation)
(call/cc)
(append)
(abs)
(apply)
(eval)

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

[
	["punctuation", "("], ["builtin", "cons"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "car"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "cdr"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "null?"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "pair?"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "boolean?"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "eof-object?"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "char?"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "procedure?"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "number?"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "port?"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "string?"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "vector?"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "symbol?"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "bytevector?"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "list"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "call-with-current-continuation"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "call/cc"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "append"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "abs"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "apply"], ["punctuation", ")"],
	["punctuation", "("], ["builtin", "eval"], ["punctuation", ")"]
]

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

Checks for builtins.