<!-- topic-like.dtd -->
<!ELEMENT topic (title,body)>
<!ATTLIST topic
id NMTOKEN #REQUIRED>
<!ELEMENT title (#PCDATA)>
<!ELEMENT body (p)+>
<!ELEMENT p (#PCDATA|term)*>
<!ELEMENT term (#PCDATA)>
<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE topic SYSTEM "topic-like.dtd">
<topic id="topic-1">
<title>Topic title</title>
<body>
<p>This is un exemple of DITA <term>topic</term>.</p>
<p>...</p>
</body>
</topic>