#############################
Expected output for 'h5dump tdatareg.h5'
#############################
HDF5 "tdatareg.h5" {
GROUP "/" {
   DATASET "Dataset1" {
      DATATYPE { H5T_REFERENCE } 
      DATASPACE { SIMPLE ( 4 ) / ( 4 ) } 
      DATA {
         DATASET 0:744 {(2,2)-(7,7)}, DATASET 0:744 {(6,9), (2,2), (8,4), (1,6),
          (2,8), (3,2), (0,4), (9,0), (7,1), (3,3)}, NULL, NULL
      } 
   } 
   DATASET "Dataset2" {
      DATATYPE { H5T_STD_U8LE } 
      DATASPACE { SIMPLE ( 10, 10 ) / ( 10, 10 ) } 
      DATA {
         0, 3, 6, 9, 12, 15, 18, 21, 24, 27,
         30, 33, 36, 39, 42, 45, 48, 51, 54, 57,
         60, 63, 66, 69, 72, 75, 78, 81, 84, 87,
         90, 93, 96, 99, 102, 105, 108, 111, 114, 117,
         120, 123, 126, 129, 132, 135, 138, 141, 144, 147,
         150, 153, 156, 159, 162, 165, 168, 171, 174, 177,
         180, 183, 186, 189, 192, 195, 198, 201, 204, 207,
         210, 213, 216, 219, 222, 225, 228, 231, 234, 237,
         240, 243, 246, 249, 252, 255, 2, 5, 8, 11,
         14, 17, 20, 23, 26, 29, 32, 35, 38, 41
      } 
   } 
} 
}