<!--DTD generated by XML Spy v4.4 U (http://www.xmlspy.com)-->
<!ELEMENT recipes (recipe)>
<!ELEMENT recipe (ingredients, steps)>
<!ATTLIST recipe
	id ID #REQUIRED
>
<!ELEMENT ingredients (ingredient+)>
<!ATTLIST ingredients
	recipe IDREF #REQUIRED
>
<!ELEMENT ingredient (#PCDATA)>
<!ATTLIST ingredient
	number ID #REQUIRED
	step IDREF #REQUIRED
>
<!ELEMENT steps (step+)>
<!ATTLIST steps
	recipe IDREF #REQUIRED
>
<!ELEMENT step (#PCDATA)>
<!ATTLIST step
	number ID #REQUIRED
	ingredient IDREFS #REQUIRED
>