$foo.foobar
foo_bar_42()

contain
debug
err
fail
include
info
notice
realize
require
tag
warning

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

[
	["variable", ["$foo"]], ["punctuation", "."], ["function", "foobar"],
	["function", "foo_bar_42"], ["punctuation", "("], ["punctuation", ")"],

	["function", "contain"],
	["function", "debug"],
	["function", "err"],
	["function", "fail"],
	["function", "include"],
	["function", "info"],
	["function", "notice"],
	["function", "realize"],
	["function", "require"],
	["function", "tag"],
	["function", "warning"]
]

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

Checks for functions.