<?xml version="1.0" encoding="ISO-8859-1"?> <!ELEMENT PersonList (Person)+ > <!ELEMENT Person (FirstName,LastName,Gender,DateOfBirth,Address) > <!ATTLIST Person ID CDATA #REQUIRED > <!ELEMENT FirstName (#PCDATA) > <!ELEMENT LastName (#PCDATA) > <!ELEMENT Gender (#PCDATA) > <!ELEMENT DateOfBirth (Day,Month,Year) > <!ELEMENT Day (#PCDATA) > <!ELEMENT Month (#PCDATA) > <!ELEMENT Year (#PCDATA) > <!ELEMENT Address (Street,PostalCode,Country) > <!ELEMENT Street (#PCDATA) > <!ELEMENT PostalCode (#PCDATA) > <!ELEMENT Country (#PCDATA) >