docs: public void addRecord(String key,
                            String value)
                            throws TarMalformatException, IOException {
  
          if (key == null || value == null || key.length() < 1
                  || value.length() < 1) {
              throw new TarMalformatException(
                  RB.singleton.getString(RB.ZERO_WRITE));
          }
  
          int lenWithoutIlen = key.length() + value.length() + 3;
  
          // "Ilen" means Initial Length field.  +3 = SPACE + = + \n
          int lenW = 0;    // lenW = Length With initial-length-field
  
          if (lenWithoutIlen < 8) {
              lenW = lenWithoutIlen + 1;    // Takes just 1 char to report total
          } else if (lenWithoutIlen < 97) {
              lenW = lenWithoutIlen + 2;    // Takes 2 chars to report this total
          } else if (lenWithoutIlen < 996) {
              lenW = lenWithoutIlen + 3;    // Takes 3...
          } else if (lenWithoutIlen < 9995) {
              lenW = lenWithoutIlen + 4;    // ditto
          } else if (lenWithoutIlen < 99994) {
              lenW = lenWithoutIlen + 5;
          } else {
              throw new TarMalformatException(
                  RB.singleton.getString(RB.PIF_TOOBIG, 99991));
          }
  
          writer.write(Integer.toString(lenW));
          writer.write(' ');
          writer.write(key);
          writer.write('=');
          writer.write(value);
          writer.write('\n');
          writer.flush();    // Does this do anything with a BAOS?
      }