code: private static boolean isDateHeader(final Buffer name) {
          try {
              return name.getByte(0) == 'D' && name.getByte(1) == 'a' &&
                      name.getByte(2) == 't' && name.getByte(3) == 'e';
          } catch (final IOException e) {
              return false;
          }
      }
docs: The date header also allows for comma within the value of the header.
  
  @param name
  @return