<Dataset
   name="test_opaque.nc"
   dapVersion="4.0"
   dmrVersion="1.0"
   xmlns="http://xml.opendap.org/ns/DAP/4.0#"
   xmlns:dap="http://xml.opendap.org/ns/DAP/4.0#">
  <Variables>
    <Opaque name="vo1" type="/opaque8_t"/>
  </Variables>
  <Attribute name="_DAP4_Little_Endian" type="UInt8">
    <Value value="1"/>
  </Attribute>
</Dataset>
