(uMappingTable*) &g_uf_gbk_2bytes) {};
(uMappingTable*) &g_uf_gbk_2bytes, 2) {};
  nsUnicodeToGBKUniq2Bytes()    : nsTableEncoderSupport( (uShiftTable*) &g_2BytesShiftTable,                             (uMappingTable*) &g_uf_gbk_2bytes) {};