(* foo *)
(* foo
bar *)
{ foo }
{ foo
bar }
//
// foobar

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

[
	["comment", "(* foo *)"],
	["comment", "(* foo\r\nbar *)"],
	["comment", "{ foo }"],
	["comment", "{ foo\r\nbar }"],
	["comment", "//"],
	["comment", "// foobar"]
]

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

Checks for comments.