... FLAMINI, AND R. MIRANDAIf there is a component of type (i), then the intersection in codimensionone of any two distinct components can only be a line.If there is no component of type (i), then ... (i), then the intersection in codimensionone of any two distinct components is either a line or a (possibly reducible)conic. Moreover, if two components meet along a conic, all the other intersec-tions ... all the rest along aline. Thus, the hyperplane section contains a rational curve meeting all the rest at a point. Therefore the dualizing sheaf of D is not trivial, hence D isnot Gorenstein,...