code: @Override
      public final void writeRawAscii(char[] cbuf, int offset, int len)
          throws IOException
      {
          // Can't optimize any further with buffering writer, so:
          writeRaw(cbuf, offset, len);
      }
docs: Method called to output typed values (int, long, double, float etc)
  that are known not to contain any escapable characters, or anything
  else beyond 7-bit ascii range.