anchor.diff:      {ok, L} = Res,
       F = fun(E, Acc) ->
   		case E of
  -		    {local,_,_} -> Acc;
  +		    {local, _Fun , _Arity} -> Acc;
  +		    {local_su_se, _Fun, _Arity} -> Acc;
   		    _ -> [E | Acc]
   		end
   	end,
  
positive.code:     {ok, L} = Res,
      F = fun(E, Acc) ->
  		case E of
  		    {_, {local,_,_}} -> Acc;
  		    _ -> [E | Acc]
  		end
  	end,
  
negative.code: 		 ],
  
      %% tell xref where to look for modules to check
      case xref:add_directory(Xref, "../ebin/", AddOptions) of
  	{ok, []} ->
  	    io:format("~nNo modules found, module path probably incorrect (../ebin/)~n~n"),
  	    erlang:error(no_modules_found);
  	{ok, Modules} ->
  	    io:format("~nModules to analyze (~p) : ~n~p~n", [length(Modules), Modules]);
  	Error ->
  	    io:format("~nadd_directory failed : ~p~n", [Error]),
  	    erlang:error(xref_failed)
      end,
  
      %% determine which properties to check with xref
      Analysis = [
  