test2.xml revision d46ee884c41b808b239563b1978468aae12e33a2
<!DOCTYPE doc [
<!ELEMENT doc (src | dest)*>
<!ELEMENT src EMPTY>
<!ELEMENT dest EMPTY>
<!ATTLIST src ref IDREF #IMPLIED>
<!ATTLIST dest id ID #IMPLIED>
]>
<doc>
<src ref="foo"/>
<dest id="foo"/>
<src ref="foo"/>
</doc>