==================================
 DTD for RecipeML 
==================================

<!ELEMENT cookbook (recipe*)>
<!ATTLIST cookbook
          cname CDATA #REQUIRED>
<!ELEMENT recipe (rname, rdescription, ringredient+, rstep+)>
<!ELEMENT rname         (#PCDATA)>
<!ELEMENT rdescription  (#PCDATA)>
<!ELEMENT ringredient   (#PCDATA)>
<!ATTLIST ringredient
          qty CDATA #REQUIRED>
<!ELEMENT rstep         (#PCDATA)>