`<script>` is an usual example that you can't self-close and absolutely need to be followed by `</script>` in HTML5. In general though self-closing tag has no

`<script>` is an usual example that you can't self-close and absolutely need to be followed by `</script>` in HTML5. In general though self-closing tag has no effect in HTML5 anyway, `<script>` is just an example where the usual heuristic specified by HTML5 doesn't help you at all (since it switches the lexer state).