operations.  The UI is meant to enhance the editing experience, but when authors create customized editors that are not compatible with user agent UI, it leads to confused users.
        </p>
        <p>
            To address the issue, a new `contenteditabledisabled` attribute can be applied as shown in the example below.
        </p>
        <pre class="example html">
            &lt;div contenteditable="true" contenteditabledisabled="
                formatbackcolor
                formatdent
          