Comments in pre
tags caused bad formatting of following closing tag (#5959 by @selvazhagan)
<!-- Input -->
<details>
<pre>
<!-- TEST -->
</pre></details>
<!-- Output (Prettier stable) -->
<details>
<pre>
<!-- TEST -->
</pre></details</details
>
<!-- Output (Prettier master) -->
<details>
<pre>
<!-- TEST -->
</pre>
</details>