1<!--
2http://www.w3.org/TR/xmldsig2ed-tests/#c14n11xmlbase-prop-5
3
4Check that implementations of [XML-C14N1.1] properly build the xml:base 
5if one intermediate level (ietf:e2) without any xml:base attribute is absent 
6from the document subset.
7-->
8<XPath xmlns:ietf="http://www.ietf.org" >
9(//. | //@* | //namespace::*)
10[ancestor-or-self::ietf:e21]
11</XPath>
12