Task lists

Issue #517

checks in sub-list

• aaaa aaa aaa aaaaaaa aaaa
  • bbbb bbbb bbbb bbbbb b bb
  • c
• ddd d dddd d dd
• e

mixed

• aaaaaa aaaaa aaaaaa aaaaa
  • bbbb bbbb bbbb bbbbb b bb
  • c
• ddd d dddd d dd
• e