>
        <li>
          <a href="#toc_benefits-of-action-on-and-fn">Benefits of @action, {{on}}, and {{fn}}</a>
        </li>
        <li>
          <a href="#toc_getting-used-to-action-on-and-fn">Getting used to @action, {{on}}, and {{fn}}</a>
        </li>
        <li>
          <a href="#toc_the-action-decorator">The @action Decorator</a>
        </li>
        <li>
          <a href="#toc_the-on-modifier">The {{on}} Modifier</a>
        </li>
        <li>
          <a href="#toc_the-fn-helper">The {{fn}