doc/examples/vars.html

<form action="vars.rvt">
  <table>
    <tbody>
      <tr>
        <td><b>Title:</b></td>
        <td><input name="title" /></td>
      </tr>
      <tr>
        <td><b>Salary:</b></td>
        <td><input name="salary" /></td>
      </tr>
      <tr>
        <td><b>Boss:</b></td>
        <td><input name="boss" /></td></tr>
      <tr>
        <td><b>Skills:</b></td>
        <td>
          <select name="skills" multiple="multiple">
            <option>C</option>
            <option>Java</option>
            <option>Tcl</option>
            <option>Perl</option>
          </select>
        </td>
      </tr>
      <tr>
        <td><input type="submit" /></td>
      </tr>
    </tbody>
  </table>
</form>