Their reason is that in 1353 the Italian Boccaccio told practically the same tale under the name Girolamo e Salvestra, although he had some additional material in his story.
Der Grund dafür ist, dass 1353 der Italiener Boccaccio praktisch die gleiche Geschichte unter dem Namen Girolamo e Salvestra erzählte, obwohl er zusätzliches Material in seiner Geschichte wiedergab.