 	func testDocumentSepProduceFoldedString(){
 		var result, str: String
 		
-		// Yes Fits
+		/// Yes Fits
 		result = prettyString(.Oneline, width: 30, doc: [].sep())
 		str = ""
 		assertEqual(result, str)

		assertEqual(result, str)
		
		
		// No Fits
		result = prettyString(.Oneline, width: 0, doc: ["a", "b"].sep())
		str = "a\nb"
		assertEqual(result, str)

		str = "a\nb\nc"
		assertEqual(result, str)
		
		/// group
		result = prettyString(.Oneline, width: 30){
			let folded: Document = ["a", "b", "c"].vcat()
			return folded.group()
