- a
 - b
  - c
   - d
  - e
 - f
- g


----------

(Document
  (List None None
    (ListItem None
      (Paragraph
        'a'))
    (ListItem None
      (Paragraph
        'b'))
    (ListItem None
      (Paragraph
        'c'))
    (ListItem None
      (Paragraph
        'd'))
    (ListItem None
      (Paragraph
        'e'))
    (ListItem None
      (Paragraph
        'f'))
    (ListItem None
      (Paragraph
        'g'))))
