XML 연습 - TVSchedule

<!DOCTYPE TVSCHEDULE [

<!ELEMENT TVSCHEDULE (CHANNEL+)>

<!ELEMENT CHANNEL (BANNER,DAY+)>

<!ELEMENT BANNER (#PCDATA)>

<!ELEMENT DAY (DATE,(HOLIDAY|PROGRAMSLOT+)+)>

<!ELEMENT HOLIDAY (#PCDATA)>

<!ELEMENT DATE (#PCDATA)>

<!ELEMENT PROGRAMSLOT (TIME,TITLE,DESCRIPTION?)>

<!ELEMENT TIME (#PCDATA)>

<!ELEMENT TITLE (#PCDATA)> 

<!ELEMENT DESCRIPTION (#PCDATA)>

<!ATTLIST TVSCHEDULE NAME CDATA #REQUIRED>

<!ATTLIST CHANNEL CHAN CDATA #REQUIRED>

<!ATTLIST PROGRAMSLOT VTR CDATA #IMPLIED>

<!ATTLIST TITLE RATING CDATA #IMPLIED>

<!ATTLIST TITLE LANGUAGE CDATA #IMPLIED>

]>