chromium/src/third_party/blink/web_tests/tables/mozilla/bugs/bug15247.html

<table border=1>
 <tr>
  <td>
   some normal text before the nested table
   <table style="margin-left: 50px; width: 90%" border=1>
    <td >selection of words to pad table cell
	<td>selection of words to pad table cell
	<td>selection of words to pad table cell</td>
   </table>
   some normal text after the nested table
  <td>contents of table cell to right</td>
 </tr>
</table>

<table border=1>
 <tr>
  <td>
   some normal text before the nested table
   <table style="margin-left: 50px;" border=1>
    <td >selection of words to pad table cell
	<td>selection of words to pad table cell
	<td>selection of words to pad table cell</td>
   </table>
   some normal text after the nested table
  <td>contents of table cell to right</td>
 </tr>
</table>

<table border=1>
 <tr>
  <td>
   some normal text before the nested table
   <table style="margin-left: 50px; border:10px solid black; padding:5px" border=1>
    <td >selection of words to pad table cell
	<td>selection of words to pad table cell
	<td>selection of words to pad table cell</td>
   </table>
   some normal text after the nested table
  <td>contents of table cell to right</td>
 </tr>
</table>