In some cases, CkEditor 4 returns HTML with one more line in the list.

You can test it here with this example [0] and CkEditor will return this [1].

When our renderer initiates a textarea with text in HTML format, it marks it as commonmark. So, because of that extra line, our renderer will think the bottom of the list is in code format [See attachment].

[0]

Hello 
    - Bob // (put Bob in bold) 
        - Alice 

[1]

<p>Hello</p> 

<ul> 
    <li><strong>Bob</strong> 
    
        <ul> 
            <li>Alice</li> 

        </ul> 
    </li> 
</ul>