The idea of continuation in medieval literature is a familiar one - but difficult to define precisely. Despite the existence of important texts which are commonly referred to as continuations,
such as Le Roman de la Rose , Le Chevalier de la Charrette and, of course, the Perceval Continuations , the mechanics and processes involved in actually producing a continuation have found
themselves indistinguishable from those associated with other forms of medieval r歋歋criture . The Perceval Continuations (composed c.1200-1230) constitute a vast body of material which
incorporates four separately-authored continuations.