Returns an xml fragment or a sequence of nodes between two elements (normally milestone elements). The $beginning-node represents the first node/milestone element, $ending-node, the second one. The third argument, $make-fragment, is a boolean value for the path completion. If it is set to true() the result sequence is wrapped into a parent element node. Example call of the function for getting the fragment between two TEI page break element nodes: let $fragment := util:get-fragment-between(//pb[1], //pb[2], true())