anchor.diff:  	t_build_and_match_nil,
   	t_build_and_match_structure,
   
  -
   	%% errors in 17.0-rc1
   	t_update_values,
           t_expand_map_update,
  -        t_export
  +        t_export,
  +
  +	%% errors in 18
  +        t_register_corruption
       ].
   
   groups() -> [].
  
positive.code: 	#{ K1 := 1, c := 6, K2 := 8, h := 3} -> 6
      end.
  
  
  
  t_frequency_table(Config) when is_list(Config) ->
  
negative.code: 	%% errors in 17.0-rc1
  	t_update_values/1,
          t_expand_map_update/1,
          t_export/1,
  
  	%% errors in 18
          t_register_corruption/1
      ]).
  
  suite() -> [].
  