code: private void writeFieldBegin(OutputStream result) throws IOException 
      {
          result.write(OPEN_GROUP);
          result.write(FIELD);
          if(fieldDirty) result.write(FIELD_DIRTY);
          if(fieldEdit) result.write(FIELD_EDIT);
          if(fieldLocked) result.write(FIELD_LOCKED);
          if(fieldPrivate) result.write(FIELD_PRIVATE);
      }
docs: Writes the field beginning. Also writes field properties.
  
  @param result The <code>OutputStream</code> to write to.
  @throws IOException