<span class="hljs-string">@" The wild cat jumped over the <span class="hljs-variable">$height</span>-tall fence.
   He did so with grace.
"@</span>

This SHOULDNT be a part of the above strings span.

<span class="hljs-string">@" The wild cat jumped over the <span class="hljs-variable">$height</span>-tall fence.
   He did so with grace.
break-end-of-string"@

This SHOULD be a part of the above strings span.</span>