<!ELEMENT  news         (event+) >
<!ATTLIST  news
           title        CDATA #REQUIRED
           link         CDATA #REQUIRED
           lang         CDATA #REQUIRED
>

<!ELEMENT  event        (para+) >
<!ATTLIST  event
           date         CDATA #REQUIRED
>

<!ENTITY % content      SYSTEM  "content.dtd" >
          %content;