Przykład DTD
<!DOCTYPE
TVSCHEDULE [
<!ELEMENT TVSCHEDULE
(CHANNEL?)>
<!ELEMENT CHANNEL
(BANNER,DAY*)>
<!ELEMENT BANNER (#PCDATA)>
<!ELEMENT DAY
(DATE,(HOLIDAY|PROGRAMSLOT+)+)>
<!ELEMENT PROGRAMSLOT
(TIME,TITLE,DESCRIPTION?)>
<!ELEMENT DESCRIPTION
(#PCDATA)>
...
<!ATTLIST TVSCHEDULE NAME CDATA
#REQUIRED>
<!ATTLIST DESCRIPTION LANGUAGE
CDATA #IMPLIED>
]>