anchor.diff:  
   
   all() ->
  -    [{group,unicode}].
  +    [{group,unicode}, {group,base64}].
   
   groups() ->
       [{unicode,[{repeat,5}],
         [norm_nfc_list, norm_nfc_deep_l, norm_nfc_binary,
          string_lexemes_list, string_lexemes_binary
  -      ]}].
  +      ]},
  +     {base64,[{repeat,5}],
  +      [decode_binary, decode_binary_to_string,
  +       decode_list, decode_list_to_string,
  +       encode_binary, encode_binary_to_string,
  +       encode_list, encode_list_to_string,
  +       mime_binary_decode, mime_binary_decode_to_string,
  +       mime_list_decode, mime_list_decode_to_string]}].
   
   init_per_group(_GroupName, Config) ->
       Config.
  
positive.code: 
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  
negative.code: %%
  %% %CopyrightBegin%
  %%
  %% Copyright Ericsson AB 2012-2017. 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.
  