anchor.diff:  %% Internal functions
   %%======================================================================
   
  -% d(F) ->
  -%     d(F, []).
  -
  -% d(F, A) ->
  -%     io:format("~w:" ++ F ++ "~n", [?MODULE|A]).
  
positive.code: %% 
  %% %CopyrightBegin%
  %% 
  %% Copyright Ericsson AB 2003-2019. All Rights Reserved.
  %% 
  %% Licensed under the Apache License, Version 2.0 (the "License");
  %% you may not use this file except in compliance with the License.
  
negative.code: check_mandatory(suite) -> [];
  check_mandatory(Config) when is_list(Config) ->
      ?P(check_mandatory),
      %% ?IPRINT("check_mandatory -> entry"),
      A1 = [{a, hej}, {b, hopp}, {c, 10}, {d, 10101}, {f, 10.88}],
      B1 = [{a, {value, hejsan}}, 
  	  {b, mandatory}, 
  