netcdf test_struct_nested {
types:
  compound x_field1_t {
    int x ;
    int y ;
  }; // x_field1_t
  compound x_field2_t {
    int x ;
    int y ;
  }; // x_field2_t
  compound x_t {
    x_field1_t field1 ;
    x_field1_t field2 ;
  }; // x_t
variables:
	x_t x ;

}