Test error handling for incomplete tables inside a document fragment. These should not crash or hang. 

<table></table>
<table></table>
<table></table>
<table></table>
<table></table>
<table></table>
<table></table>
<table></table>
<table></table>
<table></table>
<table></table>
<table></table>
<option><table></table></option>
<option></option><table></table><table></table>