<Dataset
   name="test_vlen6.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#">
  <Dimensions>
    <Dimension name="d" size="2"/>
  </Dimensions>
  <Types>
    <Structure name="v1_base">
      <Int32 name="v1"/>
    </Structure>
    <Vlen name="v1_t" type="/v1_base"/>
  </Types>
  <Variables>
    <Seq name="v1" type="/v1_t">
      <Dim name="/d"/>
    </Sequence>
  </Variables>
  <Attribute name="_DAP4_Little_Endian" type="UInt8">
    <Value value="1"/>
  </Attribute>
</Dataset>