anchor.diff:  %%
   %% %CopyrightBegin%
   %%
  -%% Copyright Ericsson AB 2000-2018. All Rights Reserved.
  +%% Copyright Ericsson AB 2000-2019. 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.
  
positive.code:                       [UndefS,ExcludeFrom]),
      {ok,Undef0} = xref:q(Server, lists:flatten(Q)),
      Undef1 = hipe_filter(Undef0),
      Undef2 = ssl_crypto_filter(Undef1),
      Undef3 = edoc_filter(Undef2),
      Undef4 = eunit_filter(Undef3),
      Undef5 = dialyzer_filter(Undef4),
      Undef6 = wx_filter(Undef5),
  
negative.code:         {_,_} -> Undef
      end.
  
  eunit_filter(Undef) ->
      filter(fun({{eunit_test,wrapper_test_exported_,0},
                  {eunit_test,nonexisting_function,0}}) -> false;
  