1  <?xml version="1.0"?>
 2  <XPath xmlns:bar="http://example.org/bar" xmlns:baz="http://example.org/baz" xmlns:foo="http://example.org/foo" xml:lang="en-ie">
 3      (//. | //@* | //namespace::*) 
 4      [ 
 5                <!-- only namespace nodes -->
 6                ancestor-or-self::bar:Something  and
 7                (count(parent::node()/namespace::*)  =
 8                 count(parent::node()/namespace::* | self::node()))
 9      ]
10  </XPath>