<!DOCTYPE inventory:shelf SYSTEM "inventory-1.dtd" [
	<!ENTITY % Inventory.prefixed "INCLUDE">
]>
<inventory:shelf xmlns:inventory="http://www.example.com/xmlns/inventory">
    <inventory:item>
        <inventory:desc>
          this is a description.
        </inventory:desc>
        <inventory:sku>
          this is the sku.
        </inventory:sku>
        <inventory:price>
          this is the price.
        </inventory:price>
    </inventory:item>
</inventory:shelf>
