(uMappingTable*) &g_uf_gb18030_4bytes) {};
(uMappingTable*) &g_uf_gb18030_4bytes, 4) {};
  nsUnicodeTo4BytesGB18030()    : nsTableEncoderSupport( (uShiftTable*) &g_4BytesGB18030ShiftTable,                             (uMappingTable*) &g_uf_gb18030_4bytes) {};