<?xml version="1.0"?>
<!DOCTYPE test [
  <!ELEMENT test (child)+ >
  <!ELEMENT child EMPTY>
  <!ATTLIST child id ID #IMPLIED>
  <!ATTLIST child check CDATA #IMPLIED>
]>
<test>
  <child id="child1" check="child1"/>
  <child id="child2" check="child2"/>
</test>