<foo>
<aaa baz-baz="default" petal:attributes="baz-baz value1" />
<bbb foo_2.BAR="default" petal:attributes="foo_2.BAR value2" />
</foo>
<foo>
<aaa baz-baz="default" petal:attributes="baz-baz value1" />
<bbb foo_2.BAR="default" petal:attributes="foo_2.BAR value2" />
</foo>