hxt-7.1: examples/arrows/hparser/invalid.xml
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE a [
<!ATTLIST a att1 CDATA #IMPLIED>
<!ELEMENT a (z, c?)>
<!ELEMENT b EMPTY>
<!ELEMENT c (#PCDATA)>
]>
<a att2="test">
<y/>
<c>hello world</c>
</a>