(: Name: id-transform-expr-045 :) (: Description: Copy clause changes the idref property of the new element node. :) declare default element namespace "http://ns.example.com/books2"; (: insert-start :) declare variable $input-context external; (: insert-end :) copy $var1 := $input-context modify () return empty(idref("MMP", $var1/BOOKLIST[1]/BOOKS[1]/ITEM[1]))