1 <!ELEMENT employeeId (#PCDATA)> 2 <!ELEMENT name (#PCDATA)> 3 <!ELEMENT position (#PCDATA)> 4 <!ELEMENT salary (#PCDATA)> 5 <!ELEMENT address (#PCDATA)> 6 <!ELEMENT entElement ( #PCDATA ) > 7 <!ELEMENT gender ( #PCDATA | entElement )* > 8 <!ELEMENT employee (employeeId, name, position, salary, gender, address) > 9 <!ELEMENT staff (employee)+> 10 <!ATTLIST entElement 11 attr1 CDATA "Attr"> 12 <!ATTLIST address 13 domestic CDATA #IMPLIED 14 street CDATA "Yes"> 15 <!ATTLIST entElement 16 domestic CDATA "MALE" > 17 18