Rule doc/l1/v2; value of matched node: doc-l1-v2
Rule doc/child::l1/child::x2; value of matched node: doc-l1-x2
Rule doc/l1//v3; value of matched node: doc-l1-l2-v3
Rule doc//l2/w3; value of matched node: doc-l1-l2-w3
Rule doc/child::l1//child::x3; value of matched node: doc-l1-l2-x3
Rule doc//child::l2/child::y3; value of matched node: doc-l1-l2-y3
Rule doc//l2//v4; value of matched node: doc-l1-l2-l3-v4
Rule doc//child::l2//child::x4; value of matched node: doc-l1-l2-l3-x4