<!ENTITY % plo "(array | data | date | dict | real | integer | string | true | false )" >
<!ELEMENT plist %plo;>
<!ATTLIST plist version CDATA "1.0" >


<!ELEMENT array (%plo;)*>
<!ELEMENT dict (key, %plo;)*>
<!ELEMENT key (#PCDATA)>


<!ELEMENT string (#PCDATA)>
<!ELEMENT data (#PCDATA)>
<!ELEMENT date (#PCDATA)>


<!ELEMENT true EMPTY>
<!ELEMENT false EMPTY>
<!ELEMENT real (#PCDATA)>
<!ELEMENT integer (#PCDATA)>