1<?xml version="1.0" encoding="ISO-8859-1"?>
2
3<update:modifications xmlns:update="http://www.xmldb.org/xupdate">
4  	<update:append select="//*[@attr2]">
5  		<update:attribute name="extra">
6  			<update:value-of select="@attr2"/><update:value-of select="'    '"/>foo
7		</update:attribute>
8  	</update:append>
9</update:modifications>
10