anchor.diff:      test_server:stop_node(DNode),
       ok.
   
  +%% Make sure that a bad specification for a printable range is rejected.
  +bad_printable_range(Config) when is_list(Config) ->
  +    Cmd = lists:concat([lib:progname()," +pcunnnnnicode -run erlang halt"]),
  +    case os:cmd(Cmd) of
  +	"bad range of printable characters" ++ _ ->
  +	    ok;
  +	String ->
  +	    io:format("~s\n", [String]),
  +	    ?t:fail()
  +    end.
  +
   io_lib_print_binary_depth_one(doc) ->
       "Test binaries printed with a depth of one behave correctly";
   io_lib_print_binary_depth_one(Suite) when is_list(Suite) ->
  
positive.code:      manpage, otp_6708, otp_7084, otp_7421,
       io_lib_collect_line_3_wb, cr_whitespace_in_string,
       io_fread_newlines, otp_8989, io_lib_fread_literal,
       printable_range,
       io_lib_print_binary_depth_one, otp_10302, otp_10755, otp_10836,
       io_lib_width_too_small, io_with_huge_message_queue,
       format_string, maps].
  
negative.code:          manpage/1, otp_6708/1, otp_7084/1, otp_7421/1,
  	 io_lib_collect_line_3_wb/1, cr_whitespace_in_string/1,
  	 io_fread_newlines/1, otp_8989/1, io_lib_fread_literal/1,
  	 printable_range/1, bad_printable_range/1,
  	 io_lib_print_binary_depth_one/1, otp_10302/1, otp_10755/1,
           otp_10836/1, io_lib_width_too_small/1,
           io_with_huge_message_queue/1, format_string/1,
  