<?xml version="1.0"?>
<XPath xmlns:bar="http://example.org/bar" xmlns:baz="http://example.org/baz" xmlns:foo="http://example.org/foo" xml:lang="en-ie">
(//. | //@* | //namespace::*)
[
<!-- no namespace nodes; I am not in my parent's namespace axis -->
ancestor-or-self::bar:Something and
(count(parent::node()/namespace::*) !=
count(parent::node()/namespace::* | self::node()))
]
</XPath>