Test case not-wf-sa-020: net.sf.saxon.aelfred.SAXDriver Failed

Test case not-wf-sa-020: net.sf.saxon.aelfred.SAXDriver Failed

Attribute values may not contain literal '&' characters except as part of an entity reference. 

<doc a1="A & B"></doc>
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/xmltest/not-wf/sa/020.xml</systemID>
    </resolveEntity>
    <fatalError/>
    <endDocument/>
</ConformanceResults>