<?xml version = "1.0"?>
<!ELEMENT job-list (job-posting+)>
<!ELEMENT job-posting (title, description, skill-list)>
<!ELEMENT title (emphasis?)>
<!ELEMENT emphasis (#PCDATA)>
<!ELEMENT description (#PCDATA)>
<!ELEMENT skill-list (skill+)>
<!ELEMENT skill (#PCDATA)>

<!ATTLIST job-posting contact CDATA #REQUIRED>
<!ATTLIST skill type CDATA #IMPLIED>