anchor.diff:      | OUT
       | OUTPUT
       | OWNER
  +    | PARAMETERIZATION
       | PARTITION
       | PATH
       | PRECEDING
  
positive.code:     | INSENSITIVE
      | INSERTED
      | ISOLATION
      | KEYSET
      | KEEPFIXED
      | LAST
      | LEVEL
      | LOCAL
  
negative.code:     | LOOP
      | MARK
      | MAX
      | MAXDOP
      | MAXRECURSION
      | MIN
      | MODIFY
      | NAME
  