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_2.xml" dapVersion="4.0" dmrVersion="1.0" name="test_simple_2">
    <Byte name="b"/>
    <Int8 name="i8"/>
    <UInt8 name="ui8"/>
    <Int16 name="i16"/>
    <UInt16 name="ui16"/>
    <Int32 name="i32"/>
    <UInt32 name="ui32"/>
    <Int64 name="i64"/>
    <UInt64 name="ui64"/>
    <Float32 name="f32"/>
    <Float64 name="f64"/>
    <String name="s"/>
    <URL name="u"/>
</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_2.xml" dapVersion="4.0" dmrVersion="1.0" name="test_simple_2">
    <Byte name="b">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>ff000000</Value>
        </Attribute>
    </Byte>
    <Int8 name="i8">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>12b88320</Value>
        </Attribute>
    </Int8>
    <UInt8 name="ui8">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>ff000000</Value>
        </Attribute>
    </UInt8>
    <Int16 name="i16">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>db481544</Value>
        </Attribute>
    </Int16>
    <UInt16 name="ui16">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>af8a1bc8</Value>
        </Attribute>
    </UInt16>
    <Int32 name="i32">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>cff36b1c</Value>
        </Attribute>
    </Int32>
    <UInt32 name="ui32">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>a722c9bb</Value>
        </Attribute>
    </UInt32>
    <Int64 name="i64">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>070fd9fa</Value>
        </Attribute>
    </Int64>
    <UInt64 name="ui64">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>2144df1c</Value>
        </Attribute>
    </UInt64>
    <Float32 name="f32">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>39293f9c</Value>
        </Attribute>
    </Float32>
    <Float64 name="f64">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>5ca72579</Value>
        </Attribute>
    </Float64>
    <String name="s">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>3d9a4edd</Value>
        </Attribute>
    </String>
    <URL name="u">
        <Attribute name="DAP4_Checksum_CRC32" type="String">
            <Value>08f792c4</Value>
        </Attribute>
    </URL>
</Dataset>

The data:
{ 255, 127, 255, 32000, 64000, 123456789, 4026531840, 72057594037927935, 18446744073709551615, 99.999, 99.999, "Silly test string: 1", "http://dcz.gso.uri.edu/avhrr-archive/archive.html" }