XML ElementDef
The ElementDef element represents the <!ELEMENT construct
in a DTD.
The ElementDef element is a child of the DOCTYPE element. The name of the element that is defined corresponds to the name of the syntax element. The value corresponds to the element definition.
This example is included in the DTD example:
<!ELEMENT subel2 (#PCDATA)>The
name of the element is subel2 and the value is (#PCDATA).