[
(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))
]
),
]