14. DTD for Elements with Zero or More Children

Elements having zero or more occurrences of the same element can be defined. The "*" sign is used to declare that the child element can occur zero or more times.

Example 14.1 An Element Having Zero or More Occurrences
<?xml version="1.0" standalone="yes"?>
<!DOCTYPE rootelement [
<!ELEMENT rootelement (childelement*)>
<!ELEMENT childelement (#PCDATA)>