Parse successful
<?xml version="1.0" encoding="ISO-8859-1"?>
<Dataset xmlns="http://xml.opendap.org/ns/DAP/4.0#" xml:base="file:dap4/test_simple_10.xml" dapVersion="4.0" dmrVersion="1.0" name="test_simple_10">
    <Opaque name="o"/>
</Dataset>

<?xml version="1.0" encoding="ISO-8859-1"?>
<Dataset xmlns="http://xml.opendap.org/ns/DAP/4.0#" xml:base="file:dap4/test_simple_10.xml" dapVersion="4.0" dmrVersion="1.0" name="test_simple_10">
    <Opaque name="o">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>470b99f4</Value>
        </Attribute>
    </Opaque>
</Dataset>

The data:
{ 1,2,3,4,5 }