#expect 5
#expect 5
#expect 5
#expect 4

#ship debug : Debug

debug.in:
  set word=5;
  set flags a=0, b=0;
  set olc=3;
  head;
  [d] set word=4;
  [d] deliver;
  deliver;
  set olc--;
  [d] abort;
  tail;