anchor.diff:  
   function_spec
       : FUNCTION identifier ('(' parameter ( ',' parameter)* ')')?
  -      RETURN type_spec (DETERMINISTIC)? (RESULT_CACHE)? ';'
  +      RETURN type_spec (PIPELINED)? (DETERMINISTIC)? (RESULT_CACHE)? ';'
       ;
   
   package_obj_body
  
positive.code:     | EXCEPTION
      | EXCEPTION_INIT
      | EXCEPTIONS
      | EXIT
      | FLOAT
      | FORALL
  
negative.code:     | data_manipulation_language_statements
      | drop_table
      | drop_index
      
      | rename_object
  
      | comment_on_column
      | comment_on_table
  