tr terminates Caption, and close open(font)tags in caption. 
<br>also terminates those tags. In this case, the Font tag.
<table border>
  <caption>caption1 <br> text1 <font size=6> text2
  <tr>
    <td>cell 1-1
    <td>cell 1-2
  <tr>
    <td>cell 2-1
    <td>cell 2-2
</table>

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