'''''foo'''''
'''bar'''
''baz''

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

[
	["emphasis", [
		["punctuation", "'''''"],
		["bold italic", "foo"],
		["punctuation", "'''''"]
	]],
	["emphasis", [
		["punctuation", "'''"],
		["bold", "bar"],
		["punctuation", "'''"]
	]],
	["emphasis", [
		["punctuation", "''"],
		["italic", "baz"],
		["punctuation", "''"]
	]]
]

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

Checks for bold and italic.