           <a href="http://www.w3.org/TR/html-aapi/#accessible-name-and-description-calculation">HTML to Platform Accessibility APIs Implementation Guide: Accessible Name and Description Calculation</a> 
               </li>
            <li>
                  <a href="http://www.w3.org/TR/wai-aria/roles#textalternativecomputation">WAI-ARIA Text Alternative Computation</a>
               </li>
         </ul>
      
   </section></body></html>