<!ELEMENT address_book_empty (record*)>
<!ELEMENT record (name,address,contact,comments)>
<!ATTLIST record ID CDATA #REQUIRED>
<!ELEMENT name (#PCDATA)>
<!ATTLIST name first_name CDATA #REQUIRED>
<!ATTLIST name middle_name CDATA #REQUIRED>
<!ATTLIST name last_name CDATA #REQUIRED>
<!ATTLIST name nick_name CDATA #REQUIRED>
<!ELEMENT address (#PCDATA)>
<!ATTLIST address street_address CDATA #REQUIRED>
<!ATTLIST address street_address_detail CDATA #REQUIRED>
<!ATTLIST address city CDATA #REQUIRED>
<!ATTLIST address state CDATA #REQUIRED>
<!ATTLIST address zipcode CDATA #REQUIRED>
<!ELEMENT contact (#PCDATA)>
<!ATTLIST contact home_phone CDATA #REQUIRED>
<!ATTLIST contact work_phone CDATA #REQUIRED>
<!ATTLIST contact cell_phone CDATA #REQUIRED>
<!ATTLIST contact fax_number CDATA #REQUIRED>
<!ATTLIST contact e-mail CDATA #REQUIRED>
<!ELEMENT comments (#PCDATA)>
<!ATTLIST comments comment CDATA #REQUIRED>