es/pdf/PDF22" class="pdf"></a>
                  
               </li>
               
               <li>
                  
                  <a href="https://www.w3.org/WAI/WCAG21/Techniques/silverlight/SL35" class="silverlight"></a>
                  
               </li>
               
            </ol>
            
         </section>
         
      </section>
      
      <section id="advisory">
         <h3>Additional Techniques (Advisory) for Error Identification</h3>
         
         
        