<?xml version='1.0' encoding='utf-8'?>
<?xml-stylesheet type="text/xml" href="product-syndication.xsl"?>
<!DOCTYPE comparison SYSTEM "product-syndication.dtd">
<product-syndication>
    <data>
        <cat id="books">
            <title>Books</title>
            <desc>
                <p>
                    These are my books.
                </p>
            </desc>
            <cat id="fiction_books">
                <title>Fiction books</title>
                <prod id="little_women">
                    <title>Little Women</title>
                    <isbn>06903459409</isbn>
                    <creator type="author">Louisa May Alcott</creator>
                    <desc>
                        <p>
                            Little Women by Louisa May Alcott.
                        </p>
                    </desc>
                </prod>
                <prod id="around_the_world_in_80_days">
                    <title>Around the World in 80 Days</title>
                    <isbn>12340987</isbn>
                    <desc>
                        <p>
                            Around the world by Jules Verne. About Fog and
                            Passpartu.
                        </p>
                    </desc>
                </prod>
            </cat>
            <prod id="not_a_book">
                <title>This is a book that's not a book</title>
                <isbn>06454545</isbn>
                <desc>
                    <p>
                        I came. I saw. I conquered.
                    </p>
                </desc>
            </prod>
            <cat id="non_books">
                <title>Non books</title>
                <prod id="beatles_blue_album">
                    <title>The Beatles - The Blue Album</title>
                    <isbn>56565656</isbn>
                    <creator type="artist">The Beatles</creator>
                    <desc>
                        <p>
                            I became addicted to "Come Togethere".
                        </p>
                    </desc>
                </prod>
            </cat>
        </cat>
    </data>
</product-syndication>