<!--

RecipeXML - An XML recipe markup language.

Copyright (C) 2005 David Horton
This work is licensed under the Creative Commons Attribution Share-Alike
license.  See http://creativecommons.org/licenses/by/2.0/ for details.

-->


<!-- === Hyperlinks for URL references === -->

<!ELEMENT hyperlink (#PCDATA)>
<!ATTLIST hyperlink url CDATA #REQUIRED>


<!-- === Information about a recipe === -->

<!ELEMENT author (#PCDATA)>
<!ELEMENT blurb (#PCDATA)>
<!ELEMENT effort (#PCDATA)>
<!ELEMENT genre (#PCDATA)>
<!ELEMENT preptime (#PCDATA)>
<!ELEMENT source (#PCDATA|hyperlink)*>
<!ELEMENT yield (#PCDATA)>


<!-- === Lists of ingredients === -->

<!ELEMENT fooditem (#PCDATA)>
<!ELEMENT quantity (#PCDATA)>
<!ELEMENT unit (#PCDATA)>
<!-- FIXME? The mixed-content definition below does not enforce one and
     only one instance of the tags quantity, unit and fooditem. -->
<!ELEMENT ingredient (#PCDATA | quantity | unit | fooditem)*>


<!-- === Elements of preparation === -->

<!ELEMENT equipment (#PCDATA)>


<!-- === The main elements of a recipe === -->

<!ELEMENT title (#PCDATA)>
<!ELEMENT recipeinfo (author | blurb | effort | genre | preptime | source | yield)*>
<!ELEMENT ingredientlist (ingredient)*>
<!ELEMENT preparation (#PCDATA|equipment|hyperlink)*>
<!ELEMENT serving (#PCDATA|hyperlink)*>
<!ELEMENT notes (#PCDATA|hyperlink)*>


<!-- === And finally, the recipe itself === -->

<!ELEMENT recipe (title, recipeinfo?, ingredientlist, preparation, serving?, notes?)>


<!-- === The following elements provide logical groupings of recipes === -->


<!-- === A section provides logical divisions of a cookbook === -->

<!ELEMENT section (title, recipe+)>


<!-- === A cookbook consists of one or more recipes or sections === -->

<!ELEMENT cookbook (title, (section | recipe)+)>