Chapter 25, Problem 15RE

Explanation of Solution

Document Type Definition (DTD) design for product list:

<!DOCTYPE productlist [

<!ELEMENT productlist (product*)>

<!ELEMENT product (name, price, score)>

<!ELEMENT name (#PCDATA)>

<!ELEMENT price (#PCDATA)>

<!ELEMENT score (#PCDATA)>

<!ATTLIST price currency CDATA #IMPLIED>

Explanation:

• The above Document Type Definition (DTD) design describes a product list with a number of products.
• “!DOCTYPE productlist” defines that the root element of this document is “productlist”.
• “!ELEMENT product” defines that the “product” element must contain one or more child elements: "product”...