  - (0) PARENT=; SEQ=1; NOTE=indented right away is okay
    some text under list item
* heading
  - (1) PARENT=; SEQ=1; NOTE=headline resets last listitem
* heading
  - (2) PARENT=; SEQ=1
    - (3) PARENT=2; SEQ=1
    + (4) PARENT=2; SEQ=1; NOTE=different bullet style belongs to different list
    + (5) PARENT=2; SEQ=2
    + (6) dt :: PARENT=2; SEQ=1; NOTE=description list differs from (un)ordered list
    - [X](7) PARENT=2; SEQ=1; NOTE=different bullet style belongs to different list
      * (8) PARENT=7; SEQ=1
        1. (9) PARENT=8; SEQ=1
        3. (10) PARENT=8; SEQ=2
        4. (11) PARENT=8; SEQ=3
          + (12) PARENT=11
  - (13) PARENT=; SEQ=2
      * (14) PARENT=13; SEQ=1
* description list
- (15) term1 :: value1
- (16) t2    ::value2
