Test case nwf-dtd01: com.bluecast.xml.Piccolo Failed

Test case nwf-dtd01: com.bluecast.xml.Piccolo 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 com.bluecast.xml.Piccolo
<?xml version="1.0" encoding="UTF-8"?>
<ConformanceResults>
    <startDocument/>
    <fatalError/>
    <endDocument/>
</ConformanceResults>
<?xml version="1.0" encoding="UTF-8"?>
<ConformanceResults>
    <startDocument/>
    <fatalError/>
    <endDocument/>
    <bug reason="Parser should only throw SAXExceptions" type="java.lang.ArrayIndexOutOfBoundsException">-1</bug>
</ConformanceResults>