Expected

HTML is retained when toggling between visual and HTML views.

Observed

HTML toggles list within quote to quote within list and vice versa when tapping the HTML button multiple times.

Reproduced

1. Tap HTML format button.
2. Enter the following in HTML.

<ol>
  <li>
    <blockquote>
        Ordered Quote
    </blockquote>
  </li>
</ol>

3. Tap HTML format button.
4. Notice ordered list with quote.
5. Tap HTML format button.
6. Notice HTML has changed to the following.

<blockquote>
  <ol>
    <li>
        Ordered Quote
    </li>
  </ol>
</blockquote>

7. Tap HTML format button.
8. Notice quote with ordered list.

Tested

Google Pixel on Android 7.1.1 with AztecDemo 1.0