<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE something SYSTEM "something.dtd"
[
   <!ENTITY entity1 "something">
   <!ENTITY entity2 "test">
]>
<xml>
  <lvl1 attribute='&entity1;'>something</lvl1>
  blah blah
  <lvl1 attribute="value"></lvl1>
  <other>
    <lvl2>
      something
    </lvl2>
  </other>
</xml>
