tests/data/wsstack_ns.out

   1 [spaces eliminated]
   2                 [ws around]
   3                 %
   4                         [more ws around]
   5                         %
   6                                 [ws still around]
   7                                  [and now no ws] [again ws]
   8                                         %
   9                         %
  10                 %
  11         %