--- a\srcmglplot\src\pixel.cpp	Sun Jun 19 15:01:20 2016
+++ b\srcmglplot\src\pixel.cpp	Thu Jan 11 23:23:16 2018
@@ -2183,6 +2183,7 @@
 		case 'K':
 			k1=setPp(q,p0+kt);	k2=setPp(q,p0+kz);
 			k3=setPp(q,p0-kt);	k4=setPp(q,p0-kz);	quad_plot(k1,k2,k4,k3);
+            break;
 		case 'A':
 			k1=setPp(q,p0-2.*kl+kt);	k2=setPp(q,p0-2.*kl+kz);	k3=setPp(q,p0-2.*kl-kt);
 			k4=setPp(q,p0-2.*kl-kz);	k5=setPp(q,p0-1.5*kl);