inLine = "//go:generate -command CMD0 \"ab${_X}cd\""
	expected = []string{"-command", "CMD0", "abYcd"}
	got = g.split(inLine + "\n")

	if !reflect.DeepEqual(got, expected) {
		t.Errorf("split(%q): got %q expected %q", inLine, got, expected)
	}

	// try again, with an extra level of indirection (should leave variable in command)
	inLine = "//go:generate -command CMD0 \"ab${DOLLAR}{_X}cd\""