void PByte()
{
while (true)
{
string n_word = get_number_word();
byte b = parse_number_byte (n_word);
format_line.Append(n_word);
#if debug
Debug("got byte: " + b.ToString());
#endif
skip_space();
if (cur_token != ',')
break;
result.Content.Append(", ");
get_src_token();
skip_space();
}
}