gecko-dev/parser/htmlparser/tests/html/Table05g.html

Captions outside of table are treated as text.
<caption>caption1</caption>
<table border>
  <tr>
    <td>cell 1-1
    <td>cell 1-2
  <tr>
    <td>cell 2-1
    <td>cell 2-2
</table>

<caption>caption2</caption>
last text