Parse successful
<?xml version="1.0" encoding="ISO-8859-1"?>
<Dataset xmlns="http://xml.opendap.org/ns/DAP/4.0#" xml:base="file:test_simple_11.xml" dapVersion="4.0" dmrVersion="1.0" name="test_simple_11">
    <Dimension name="d1" size="5"/>
    <Dimension name="d2" size="3"/>
    <Opaque name="o">
        <Dim name="/d1"/>
    </Opaque>
    <Opaque name="p">
        <Dim name="/d1"/>
        <Dim name="/d2"/>
    </Opaque>
</Dataset>

<?xml version="1.0" encoding="ISO-8859-1"?>
<Dataset xmlns="http://xml.opendap.org/ns/DAP/4.0#" xml:base="file:test_simple_11.xml" dapVersion="4.0" dmrVersion="1.0" name="test_simple_11">
    <Dimension name="d1" size="5"/>
    <Dimension name="d2" size="3"/>
    <Opaque name="o">
        <Dim name="/d1"/>
    </Opaque>
    <Opaque name="p">
        <Dim name="/d1"/>
        <Dim name="/d2"/>
    </Opaque>
</Dataset>

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