<foo xmlns:petal="http://purl.org/petal/1.0/"
     xmlns:petal-temp="urn:pepsdesign.com:petal:temp">
	<bar baz="default" 
	     buzz="default"
	     quxx="default"
	     petal:attributes="baz replace; buzz replace; quxx replace"
	     petal-temp:attributes
	         ="petal:attributes string:baz ${baz_data}${SC} buzz ${buzz_data}${SC} quxx ${quxx_data}" />
</foo>