Feed generator demo

<?xml version="1.0" encoding="UTF-8"?>
<items>
    <deliveries>
        <delivery>
            <name>One</name>
            <price>4.0</price>
        </delivery>
        <delivery>
            <name>Two</name>
            <price>5.0</price>
        </delivery>
        <delivery>
            <name>Three</name>
            <price>5.5</price>
        </delivery>
    </deliveries>
    <item>
        <name>Item 1</name>
        <color>red</color>
        <data><something>something</something></data>
        <parameters>
            <param>A Param 1</param>
            <param>A Param 2</param>
            <param>A Param 3</param>
        </parameters>
    </item>
    <item>
        <name>Item 2</name>
        <color>green</color>
    </item>
    <item>
        <name>Item 3</name>
        <color>blue</color>
        <parameters/>
    </item>
    <item>
        <name>Item 4</name>
        <parameters>
            <param>D Param 1</param>
            <param>D Param 2</param>
        </parameters>
    </item>
</items>