Nested list is rendering as code

[nicotsou]

Describe the bug
I noticed that sometimes the nested lists are rendered as code.

To Reproduce
Steps to reproduce the behavior:

By pasting the following lines in the online editor:

 *  Some very important:  
      
    
    
     *  One;
     *  two;
     *  three

The following result will be displayed:

Expected behavior
We should not display nested list items as code:

This is the behavior we get in VS Code:

[UziTech]

marked sees the multiple blank lines as the end of a list.

commonmark demo
marked demo

[calculuschild]

This should be fixed by #2112