# File src/rexml/parent.rb, line 102
                def insert_after( child1, child2 )
                        if child1.kind_of? String
                                child1 = XPath.first( self, child1 )
                                child1.parent.insert_after child1, child2
                        else
                                ind = index(child1)+1
                                child2.parent.delete(child2) if child2.parent
                                @children[ind,0] = child2
                                child2.parent = self
                        end
                        self
                end