begin comment generation of Linked List example 5->4->3->2->1; record RListItem (integer ID; string (50) str; reference (RListItem) next); reference(RListItem) item1, item2, item3, item4, item5; reference(RListItem) header; header := item5; item5 := RListItem(5, "eee", item4); item4 := RListItem(4, "ddd", item3); item3 := RListItem(3, "ccc", item2); item2 := RListItem(2, "bbb", item1); item1 := RListItem(1, "aaa", null); end.