<?xml version="1.0"?>
<!-- The first step is to name and define our documents-->
<!DOCTYPE address_book [
<!ELEMENT address_book (record+)>
<!ELEMENT record (name, address,  contact, comments)>
<!ELEMENT name (#PCDATA)>
<!ELEMENT address (#PCDATA)>
<!ELEMENT contact (#PCDATA)>
<!ELEMENT comments (#PCDATA)>
]>
<address_book>
	<record>
		<name>
		</name>
		<address>
		</address>
		<contact>
		</contact>
		<comments>
		</comments>
	</record>
</address_book>