<?xml version="1.0" ?>
<!-- Example from XML spec, Appendix D -->
<!DOCTYPE test [
<!ELEMENT test (#PCDATA) >
<!ENTITY % xx '&#37;zz;' >
<!ENTITY % zz '&#60;!ENTITY tricky "error-prone" >' >
%xx;
]>
<test>This example shows a &tricky; method.</test>
