<?xml version='1.0' encoding='UTF-8' ?>
<rss xmlns:atom="http://www.w3.org/2005/Atom" version="2.0">
    <channel>
        <title>title</title>
        <item>
            <title>item-0</title>
        </item>
        <unsupported-element>
            <item>
                <title>item-1</title>
            </item>
        </unsupported-element>
    </channel>
</rss>
