     using EL expressions like
          <code>#{cc.attrs.usernameLabel}</code>,
          assuming <code>usernameLabel</code> is the <code>name</code>
          of one of the <code>&lt;cc:attribute&gt;</code>
          elements in the usage contract.</p>

          </li>


	  <li><p>Add <code>ValueChangeListener</code>s,
	  <code>Converter</code>s, or <code>Validator</code>s to either
	  or both text fields.
	  </p>

           <p>In this case, a
           <code>&lt;cc:editableValueHolder&gt;</code> eleme