1 <!ENTITY % plo "(array | data | date | dict | real | integer | string | true | false )" >

     2 <!ELEMENT plist %plo;>

     3 <!ATTLIST plist version CDATA "1.0" >

     4 

     5 

     6 <!ELEMENT array (%plo;)*>

     7 <!ELEMENT dict (key, %plo;)*>

     8 <!ELEMENT key (#PCDATA)>

     9 

    10 

    11 <!ELEMENT string (#PCDATA)>

    12 <!ELEMENT data (#PCDATA)>

    13 <!ELEMENT date (#PCDATA)>

    14 

    15 

    16 <!ELEMENT true EMPTY>

    17 <!ELEMENT false EMPTY>

    18 <!ELEMENT real (#PCDATA)>

    19 <!ELEMENT integer (#PCDATA)>