Given this document:
<doc>
<element>
<list>
<key attr= val />
</list>
</element>
<element>
<list>
<key attr= other />
</list>
</element>
<element>
<list/>
</element>
</doc>
I want an e4x equivalent of the xpath //element[list/key/@attr="val"]
. Is it possible to do that?