HDF5 "tdatareg.h5" {
GROUP "/" {
   DATASET "Dataset1" {
      DATATYPE  H5T_REFERENCE
      DATASPACE  SIMPLE { ( 4 ) / ( 4 ) }
   }
   DATASET "Dataset2" {
      DATATYPE  H5T_STD_U8BE
      DATASPACE  SIMPLE { ( 10, 10 ) / ( 10, 10 ) }
   }
}
}