Any ideas why this won't validate here:
http://validator.w3.org/#validate_by_input
It seems the form input tags are wrong but reading through the XHTML spec they should validate fine. Any ideas?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>Test</title>
 </head>
 <body>
    <div class="Header">
     <table class="HeaderTable">
      <tr>
       <td>
        <div class="Heading">Test <span class="Standard">Test</span>
        </div>
       </td>
       <td>
        <div class="Controls">
         <form id="ControlForm" method="get" action="Edit.php">
          <input type="submit" name="action" id="Edit" value="Edit" />
          <input type="submit" name="action" id="New" value="New" />
         </form>
        </div>
       </td>
      </tr>
     </table>
    </div>
 </body>
</html>