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