Test case ibm-1-1-valid-P77-ibm77v17.xml: org.apache.crimson.parser.XMLReaderImpl Failed

Test case ibm-1-1-valid-P77-ibm77v17.xml: org.apache.crimson.parser.XMLReaderImpl Failed

The VersionNum of the document entity is 1.1 but the external entity does not contain a textDecl and both contain the valid XML1.1 but invalid XML1.0 character #x1FFF. 

<?xml version='1.1'?>
<!DOCTYPE doc [
<!ELEMENT doc (῿root*)>
<!ELEMENT ῿root EMPTY>
<!ENTITY e SYSTEM "ibm77v17.ent">
]>
<doc>&e;</doc>
Expected resultActual result for org.apache.crimson.parser.XMLReaderImpl
<?xml version="1.0" encoding="UTF-8"?>
<ConformanceResults>
    <startDocument/>
    <startElement>
        <namespaceURI/>
        <localName>doc</localName>
        <qualifiedName>doc</qualifiedName>
        <attributes/>
    </startElement>
    <resolveEntity>
        <systemID>file:/home/elharo/SAXTest/xmlconf/ibm/xml-1.1/valid/P77/ibm77v17.ent</systemID>
    </resolveEntity>
    <startElement>
        <namespaceURI/>
        <localName>῿root</localName>
        <qualifiedName>῿root</qualifiedName>
        <attributes/>
    </startElement>
    <endElement>
        <namespaceURI/>
        <localName>῿root</localName>
        <qualifiedName>῿root</qualifiedName>
    </endElement>
    <startElement>
        <namespaceURI/>
        <localName>῿root</localName>
        <qualifiedName>῿root</qualifiedName>
        <attributes/>
    </startElement>
    <endElement>
        <namespaceURI/>
        <localName>῿root</localName>
        <qualifiedName>῿root</qualifiedName>
    </endElement>
    <startElement>
        <namespaceURI/>
        <localName>῿root</localName>
        <qualifiedName>῿root</qualifiedName>
        <attributes/>
    </startElement>
    <endElement>
        <namespaceURI/>
        <localName>῿root</localName>
        <qualifiedName>῿root</qualifiedName>
    </endElement>
    <endElement>
        <namespaceURI/>
        <localName>doc</localName>
        <qualifiedName>doc</qualifiedName>
    </endElement>
    <endDocument/>
</ConformanceResults>

<?xml version="1.0" encoding="UTF-8"?>
<ConformanceResults>
    <startDocument/>
    <fatalError/>
</ConformanceResults>