Examples of XML code and Data Type Definitions

	Example. Of XML code: <!xml version="1.0"> <dtd URI="recipe.dtd"> <recipe id="117" category="dessert"> <title> Pavlova </title> <description> Most popular dessert in New Zealand and Australia </description> <ingredients> .......................... </ingredients> <preparation> .......................... </preparation> </recipe>	Example. Of a data type definition (DTD) file: <!DOCTYPE recipecollection [ ...... <!ELEMENT recipe { title, author?, description, ingredients, preparation, #REQUIRED> <!ATTLIST recipe id ID category (breakfast|lunch|.... <!ELEMENT title (#PCDATA)> <!ELEMENT author ANY > ]>
Note. A data type definition (DTD) is a file (or group of files) that provides a formal description of syntax and semantics for the markup language.

Section 2-6: November, 2001.