<!ENTITY p1 SYSTEM "P1.txt">
<!ELEMENT resume (people*)>
<!ELEMENT people (#PCDATA|PersonalInformation|skills)*>
<!ATTLIST PersonalInformation
height CDATA #IMPLIED
weight CDATA #IMPLIED>
<!ELEMENT name (#PCDATA)>
<!ELEMENT sex (#PCDATA)>
<!ELEMENT age (#PCDATA)>
<!ELEMENT mob (#PCDATA)>
<!ELEMENT PersonalInformation (#PCDATA|name|sex|age|mob)*>
<!ELEMENT skills (specialskills)*>
<!ELEMENT specialskills ANY>