In a xml signature I have


Code:
.... 
... 
 <Transform Algorithm="http://www.w3.org/2002/06/xmldsig-filter2">
  <XPath Filter="intersect" xmlns="http://www.w3.org/2002/06/xmldsig-filter2" xmlns:dsig="http://www.w3.org/2000/09/xmldsig#"> 
        here()/ancestor::dsig:Signature[1]/../../form1[1]//. |
        here()/ancestor::dsig:Signature[1]/../../form1[1]//@*
...