Test case nwf-dtd01: net.sf.saxon.aelfred.SAXDriver Failed

Test case nwf-dtd01: net.sf.saxon.aelfred.SAXDriver Failed

Can't mix comma and vertical bar in content models

<!DOCTYPE root [
    <!ELEMENT root (foo, bar? | foo)>
	<!-- comma swapped for vertical bar -->
    <!ELEMENT foo EMPTY>
    <!ELEMENT bar EMPTY>
]>

<root> <foo/> <foo/> </root>
Expected resultActual result for net.sf.saxon.aelfred.SAXDriver
<?xml version="1.0" encoding="UTF-8"?>
<ConformanceResults>
    <startDocument/>
    <fatalError/>
    <endDocument/>
</ConformanceResults>

<?xml version="1.0" encoding="UTF-8"?>
<ConformanceResults>
    <startDocument/>
    <resolveEntity>
        <systemID>file:/home/elharo/SAXTest/xmlconf/sun/not-wf/dtd01.xml</systemID>
    </resolveEntity>
    <fatalError/>
    <endDocument/>
</ConformanceResults>