GEMARA: Said R. Jehudah in the name of Samuel: The first Tana of the Mishna and R. Jehudah differ only as to fragments which were broken off on the Sabbath; for the former holds that the fragment is part and parcel of the utensil, and fit for the same use, while R. Jehudah holds, that the fragment is a newly created thing; but if the fragments were broken off before the Sabbath set in, all agree