tests/copy.result2

   1 a +
   2 a       b +
   3 a       b       c +T c
   4 a       b       c       d +T d
   5 a       b       c       d       e
   6 a       b       c       e
   7 a       c +
   8 a       c       d
   9 b +T a
  10 b       b +
  11 b       b       c +T c
  12 b       b       c       d +T d
  13 b       b       c       d       e
  14 b       b       c       e
  15 b       c +
  16 b       c       d
  17 bad_target ET non-existant
  18 target-loop-a OT target-loop-b
  19 target-loop-b OT target-loop-a
  20 c +
  21 c       d +T d
  22 c       d       e
  23 c       e
  24 d +
  25 d       e
  26 x +
  27 x       y T z
  28 z
  29 new +
  30 new     b +
  31 new     b       c +T c
  32 new     b       c       d +T d
  33 new     b       c       d       e
  34 new     b       c       e
  35 new     c +
  36 new     c       d