<?xml version="1.0"?>

<!DOCTYPE area [

<!ELEMENT room (name)>
<!ELEMENT name (#PCDATA)>
<!ELEMENT author (#PCDATA)>

]>

<area>
  <name>XML Test area</name>
  <author>Grimlord</author>

  <room>
    <name>A curve in the road</name>
  </room>
</area>