swc/crates/swc_css_parser/tests/recovery/cdo-and-cdc/input.css

<!-- 123 -->

div {
    color: red;
<!--

test

-->
}

div {
    color: red;
<!--

test

-->

    color: blue;
}

div {
    color: red;
<!--

test

-->;

    color: blue;
}

a {
    <!-- .class {
         color: red;
     }
}

@keyframes box {
    <!-- -->
    50% { left: 0; }
    90% { left: 300px; }
}