text: input = """
  % This constraint is detected to be violated after it is realized
  % that the ground idb is empty.
  
  % Handled in dl.C, unlike bug.34, where this is done by depgraph.h.
  
  d :- e.
  
  :- not d.
  
  """
  output = """
  % This constraint is detected to be violated after it is realized
  % that the ground idb is empty.
  
  % Handled in dl.C, unlike bug.34, where this is done by depgraph.h.
  
  d :- e.
  
  :- not d.
  
  """
  