* tight I
  > bq
  >
* tight I


* tight II
  > bq
  >
  foo
* tight II

1. Blank lines in bq don't break list
   > bq
   >
   >
1. Should say (2) in output

* Blank lines in bq don't break LI
  * item A
    > bq
    >
    >
  * item B