code: @Override
      public int writeCData(String data) throws IOException
      {
          writeAscii("<![CDATA[");
          int ix = writeCDataContent(data);
          if (ix >= 0) {
              return ix;
          }
          writeAscii("]]>");
          return -1;
      }
docs: /*
  //////////////////////////////////////////////
  Higher-level output methods, text output
  //////////////////////////////////////////////