text: HDF5 "h5ex_t_regref.h5" {
  GROUP "/" {
     DATASET "DS1" {
        DATATYPE  H5T_REFERENCE { H5T_STD_REF_DSETREG }
        DATASPACE  SIMPLE { ( 2 ) / ( 2 ) }
        DATA {
           DATASET /DS2 {(0,1), (2,11), (1,0), (2,4)},
           DATASET /DS2 {(0,0)-(0,2), (0,11)-(0,13), (2,0)-(2,2), (2,11)-(2,13)}
        }
     }
     DATASET "DS2" {
        DATATYPE  H5T_STD_I8LE
        DATASPACE  SIMPLE { ( 3, 16 ) / ( 3, 16 ) }
        DATA {
        (0,0): 84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119,
        (0,14): 110, 0,
        (1,0): 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101,
        (1,13): 114, 32, 0,
        (2,0): 116, 104, 101, 32, 53, 32, 108, 97, 122, 121, 32, 100, 111, 103,
        (2,14): 115, 0
        }
     }
  }
  }
  