Test case o-e2: gnu.xml.aelfred2.XmlReader Failed

Test case o-e2: gnu.xml.aelfred2.XmlReader Failed

Validity Constraint: No duplicate tokens 

<!DOCTYPE el [
<!ELEMENT el EMPTY>
<!ATTLIST el at (one|two|two) #IMPLIED>
]>
<e1 at="two"/>
Expected resultActual result for gnu.xml.aelfred2.XmlReader
<?xml version="1.0" encoding="UTF-8"?>
<ConformanceResults>
    <startDocument/>
    <startElement>
        <namespaceURI/>
        <localName>e1</localName>
        <qualifiedName>e1</qualifiedName>
        <attributes>
            <attribute>
                <namespaceURI/>
                <localName>at</localName>
                <qualifiedName>at</qualifiedName>
                <value>two</value>
                <type>CDATA</type>
            </attribute>
        </attributes>
    </startElement>
    <endElement>
        <namespaceURI/>
        <localName>e1</localName>
        <qualifiedName>e1</qualifiedName>
    </endElement>
    <endDocument/>
</ConformanceResults>

<?xml version="1.0" encoding="UTF-8"?>
<ConformanceResults>
    <startDocument/>
    <endDocument/>
    <bug reason="Parser should only throw SAXExceptions" type="java.lang.ArrayIndexOutOfBoundsException">1 &gt;= 1</bug>
</ConformanceResults>