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<?xml version="1.0" encoding="UTF-8"?>
<overlay>
    <target xpath="/catalog/book[@id='book2']">
        <action type="appendChild">
            <author>Jon Orwant</author>
        </action>
    </target>
    <target xpath="/catalog/book[@id='book1']/author[text()='Delete Me!']">
        <action type="delete" />
    </target>
    <target xpath="/catalog/book[@id='book1']">
        <action type="insertBefore">
            <book id="book0">
                <author>Mark Jason Dominus</author>
                <title>Higher-Order Perl. Transforming Programs with Programs</title>
                <isbn>9781558607019</isbn>
            </book>
        </action>
    </target>
    <target xpath="/catalog/book[@id='book3']">
        <action type="insertAfter">
            <book id="book4">
                <author>Damian Conway</author>
                <title>Object Oriented Perl: A Comprehensive Guide to Concepts and Programming Techniques</title>
                <isbn>9781884777790</isbn>
            </book>
        </action>
    </target>
    <target xpath="/catalog/book[@id='book5']">
        <action type="setAttribute" attribute="myAttribute">attr</action>
    </target>
    <target xpath="/catalog/book">
        <action type="removeAttribute" attribute="delete" />
    </target>
</overlay>