What version are you running?
3.0.8
What's the URL of the page containing the problem?

What steps will reproduce the problem?

Create a comment.
Write a markdown list, using asteriks.
Write another markdown list.
Between the 2 lists, there should be one newline.
Click 'OK'


What is the expected output? What do you see instead?
The expected output should be 2 lists, separated by a new line.

Instead, the two lists are combined into one list, without a distinction where one ends and the other begins.

What operating system are you using? What browser?
Ubuntu 18.04.

Firefox 66.

Please provide any additional information below.