ÿþ<!-- Nursery contains one or more plantcategory elements   -->

<!ELEMENT nursery (plantcategory+)>



<!-- plantcategory contains catname and one or more plants -->

<!ELEMENT plantcategory (plant+)>



<!-- plantcategory contains required name and code attribute -->

<!ATTLIST plantcategory 

          name CDATA #REQUIRED

	  code ID    #REQUIRED

>

<!-- plant contains required name, image,price,details,description   -->

<!ELEMENT plant (name,image,price,details,description)>



<!-- name contains plain text and optional ref		   -->

<!ELEMENT name    (#PCDATA|ref)*>



<!-- image contains required html:img -->

<!ELEMENT image  (html:img)>

<!ATTLIST image

          xmlns:html CDATA #REQUIRED>

<!ELEMENT html:img EMPTY>

<!ATTLIST html:img

          src CDATA #IMPLIED>



<!-- The price is an empty element which has a required amt  -->

<!-- attribute that specifies the price, it is plain text.   -->

<!-- It also has an  units attribute, which                  -->

<!-- may have a value of either USD or CDN by default "USD"  -->

<!ELEMENT price EMPTY>

<!ATTLIST price 

          amt   CDATA       #REQUIRED

	  units (USD|CDN)   "USD"

>



<!-- details contain optional mature_height, optional mature_spread -->

<!-- optional mature_form, optional growth rate, optional sun_exposure -->

<!-- optional moisture_requirements, optional soil_type, optional  -->

<!-- flower_color, choice between  foilage_color and fall_color,   -->

<!-- and required zones -->

<!ELEMENT details ((mature_height?),(mature_spread?),(mature_form?),(growth_rate?),

		(sun_exposure?),(moisture_requirements?),(soil_type?),(flower_color?),

                (foilage_color | fall_color),zones)>




<!-- mature_height, mature_spread,mature_form,growth_rate,   -->

<!-- sun_exposure, moisture_requirements, soil_type,	     -->

<!-- flower_color,foilage_color, fall_color and zones all contain plain text. -->

<!ELEMENT mature_height  	(#PCDATA)>


<!ELEMENT mature_spread  	(#PCDATA)>


<!ELEMENT mature_form    	(#PCDATA)>

<!ELEMENT growth_rate    	(#PCDATA)>

<!ELEMENT sun_exposure   	(#PCDATA)>

<!ELEMENT moisture_requirements (#PCDATA)>

<!ELEMENT soil_type    		(#PCDATA)>


<!ELEMENT flower_color    	(#PCDATA)>

<!ELEMENT foilage_color         (#PCDATA)>

<!ELEMENT fall_color            (#PCDATA)>

<!ELEMENT zones                 (#PCDATA)>



<!-- description contains zero or more para elements     -->

<!ELEMENT description  (para*)>



<!-- para contains zero or more ref elements  -->


<!ELEMENT para (#PCDATA | ref)*>


<!ELEMENT ref     (#PCDATA)>