student.xml

<?xml version="1.0" encoding="UTF‐8"?>
<!DOCTYPE student[
<!ELEMENT student (firstname,lastname,id,plan)>
<!ELEMENT firstname (#PCDATA)>
<!ELEMENT lastname (#PCDATA)>
<!ELEMENT id (#PCDATA)>
<!ELEMENT plan (courses+)>
<!ELEMENT courses (course*)>
<!ATTLIST courses year CDATA #REQUIRED>
<!ELEMENT course (name,shortname,record?)>
<!ELEMENT name (#PCDATA)>
<!ELEMENT shortname (#PCDATA)>
<!ELEMENT record (grade,date)>
<!ELEMENT grade (#PCDATA)>
<!ELEMENT date (#PCDATA)>
]>
<student>
<firstName> Luca </firstName>
<lastName> Rossi </lastName>
<id> 281283 </id>
<plan>
    <courses year="3">
      <course>
        <name> Programmazione Orientata agli Oggetti </name>
        <shortName> POO </shortName>
        <record>
          <grade> 30 </grade>
          <date> 13/06/11 </date>
        </record>
      </course>
<course>
        <name> Analisi e progettazione del software </name>
        <shortName> APS </shortName>
      </course>
    </courses>
<courses year="2">
      ...
    </courses>
</plan>
</student>