       </p>
        <h3 id="kbd_label_textbox">Textbox</h3>
        <table aria-labelledby="kbd_label_textbox kbd_label" class="def">
          <thead>
            <tr>
              <th>Key</th>
              <th>Function</th>
            </tr>
          </thead>
          <tbody>
            <tr data-test-id="textbox-key-down-arrow">
              <th><kbd>Down Arrow</kbd></th>
              <td>
                <ul>
                  <li>If the textbox is not empty and the listbox is displayed, moves vis