1 <!ELEMENT SupplierOrder (OrderId, OrderDate, ShippingAddress, LineItems)>
   2 
   3 <!ELEMENT OrderId (#PCDATA)>
   4 
   5 <!ELEMENT OrderDate (#PCDATA)>
   6 
   7 <!ELEMENT ShippingAddress (FirstName, LastName, Street, City, State, Country, ZipCode, Email, Phone)>
   8 
   9 <!ELEMENT FirstName (#PCDATA)>
  10 
  11 <!ELEMENT LastName (#PCDATA)>
  12 
  13 <!ELEMENT Street (#PCDATA)>
  14 
  15 <!ELEMENT City (#PCDATA)>
  16 
  17 <!ELEMENT State (#PCDATA)>
  18 
  19 <!ELEMENT Country (#PCDATA)>
  20 
  21 <!ELEMENT ZipCode (#PCDATA)>
  22 
  23 <!ELEMENT Email (#PCDATA)>
  24 
  25 <!ELEMENT Phone (#PCDATA)>
  26 
  27 <!ELEMENT LineItems (LineItem+)>
  28 
  29 <!ELEMENT LineItem EMPTY>
  30 
  31 <!ATTLIST LineItem
  32      categoryId CDATA #REQUIRED
  33      productId CDATA #REQUIRED
  34      itemId CDATA #REQUIRED
  35      lineNo CDATA #REQUIRED
  36      quantity CDATA #REQUIRED
  37      unitPrice CDATA #REQUIRED
  38 >
  39