- Open a new message, or reply to a thread.
- click the numbered or bulleted list icon in the simple editor.
- The popup prompts "leave the box empty or press 'Cancel' to complete the list.
- Enter one, then ENTER
- Enter two, then ENTER.
- Leave the popup box blank, and hit ENTER.
- => The list has a third item.
The last empty item is not displayed in web software's post view, but it does show up in Android App (Tapatalk) post views. (Use this post as an example, I left the empty list item in.)