code: function DBCSEncoder(options, codec) {
      // Encoder state
      this.leadSurrogate = -1;
      this.seqObj = undefined;
      
      // Static data
      this.encodeTable = codec.encodeTable;
      this.encodeTableSeq = codec.encodeTableSeq;
      this.defaultCharSingleByte = codec.defCharSB;
      this.gb18030 = codec.gb18030;
  }
docs: == Encoder ==================================================================