<!DOCTYPE attributes [
<!NOTATION bar SYSTEM 'file:/dev/tty'>
<!NOTATION foo PUBLIC '-//public id//foo' 'file:/dev/null'>
<!NOTATION nonce SYSTEM 'file:/dev/null'>
]>
<attributes cdata="nothing happens to this one!" entities="unparsed-1 unparsed-2" entity="unparsed-1" id="number99" idref="number99" idrefs="number99 number99 number99" nmtoken="this-gets-normalized" nmtokens="this also gets normalized" notation="nonce" token="a"></attributes>