<!-- http://www.w3.org/TR/xmldsig2ed-tests/#c14n11xmlbase-prop-1 Check that implementations of [XML-C14N1.1] work properly when the xml:base origin appears in the output document subset and also children with xml:base, which do not require further processing, are also present. --> <XPath xmlns:ietf="http://www.ietf.org" > (//. | //@* | //namespace::*) [ancestor-or-self::ietf:c14n11XmlBaseDoc1 and not(ancestor-or-self::ietf:e2)] </XPath>