anchor.diff:                                  Err ->
                                       Err
                               end;
  -                        _ ->
  -                            {error, "Can't open config file " ++ File}
  +                        Err ->
  +                            {error, ?F("Can't open config file ~s:~p",
  +                                       [File,Err])}
                       end;
                   false ->
                       {error, ?F("Expect filename at line ~w", [Lno])}
  
positive.code:                 Err ->
                      Err
              end;
          _ ->
              {error, "Can't open config file " ++ File}
      end.
  
  
  
negative.code: load(E = #env{conf = false}) ->
      case yaws:first(fun(F) -> yaws:exists(F) end, paths()) of
          false ->
              {error, "Can't find any config file "};
          {ok, _, File} ->
              load(E#env{conf = {file, File}})
      end;
  