:css
	.test {}

~
	:css
	  .test {}

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

[
	["filter-css", [
		["filter-name", ":css"],
		["selector", ".test"],
		["punctuation", "{"],
		["punctuation", "}"]
	]],
	["punctuation", "~"],
	["filter-css", [
        ["filter-name", ":css"],
        ["selector", ".test"],
        ["punctuation", "{"],
        ["punctuation", "}"]
    ]]
]

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

Checks for CSS filter in Haml. The tilde serves only as a separator.