[
    (src: "{{! Commentary !}}", exp: [(Comment(" Commentary "), (lo:0, hi:18))]),
    (src: "{{!-- Commentary --!}}", exp: [(Comment(" Commentary "), (lo:0, hi:22))]),
    (
        src: "foo {{!-- Commentary --!}}",
        exp: [
            (Lit("", ("foo", (lo:0, hi:3)), " "), (lo:0, hi:4)),
            (Comment(" Commentary "), (lo:4, hi:26))
        ]
    ),
]