anchor.diff:           W = fun(S) ->
                     write_line(Fd,S)
                end,
  -         ok = lists:foreach(W, Values),
  +         ok = lists:foreach(W, l(Values)),
            _ = file:close(Fd),
            [];
         {error,eisdir} ->
  
positive.code: %% This function is -nondeterministic-.
  resolve_path(_, Path) when is_binary(Path) ->
     try
        R = xqerl_lib:resolve_against_base_uri(filename:absname(<<>>), Path),
        N = filename:nativename(strip_scheme(R)),
        case filelib:is_file(N) of
           false ->
  
negative.code: strip_scheme(<<"file://", Path/binary>>) -> Path;
  strip_scheme(<<"file:/", Path/binary>>) -> Path;
  strip_scheme(Path) -> Path.
  
  l(L) when is_list(L) -> L;
  l(L) -> [L].
    
     
  