757 	dnode_t *parent, *sister;  in dict_delete()  local
764 		sister = parent->right;  in dict_delete()
765 		dict_assert (sister != nil);  in dict_delete()
766 		if (sister->color == dnode_red) {  in dict_delete()
767 		    sister->color = dnode_black;  in dict_delete()
770 		    sister = parent->right;  in dict_delete()
771 		    dict_assert (sister != nil);  in dict_delete()
773 		if (sister->left->color == dnode_black  in dict_delete()
774 			&& sister->right->color == dnode_black) {  in dict_delete()
775 		    sister->color = dnode_red;  in dict_delete()
778 		    if (sister->right->color == dnode_black) {  in dict_delete()
779 			dict_assert (sister->left->color == dnode_red);  in dict_delete()
780 			sister->left->color = dnode_black;  in dict_delete()
781 			sister->color = dnode_red;  in dict_delete()
782 			rotate_right(sister);  in dict_delete()
783 			sister = parent->right;  in dict_delete()
784 			dict_assert (sister != nil);  in dict_delete()
786 		    sister->color = parent->color;  in dict_delete()
787 		    sister->right->color = dnode_black;  in dict_delete()
794 		sister = parent->left;  in dict_delete()
795 		dict_assert (sister != nil);  in dict_delete()
796 		if (sister->color == dnode_red) {  in dict_delete()
797 		    sister->color = dnode_black;  in dict_delete()
800 		    sister = parent->left;  in dict_delete()
801 		    dict_assert (sister != nil);  in dict_delete()
803 		if (sister->right->color == dnode_black  in dict_delete()
804 			&& sister->left->color == dnode_black) {  in dict_delete()
805 		    sister->color = dnode_red;  in dict_delete()
808 		    if (sister->left->color == dnode_black) {  in dict_delete()
809 			dict_assert (sister->right->color == dnode_red);  in dict_delete()
810 			sister->right->color = dnode_black;  in dict_delete()
811 			sister->color = dnode_red;  in dict_delete()
812 			rotate_left(sister);  in dict_delete()
813 			sister = parent->left;  in dict_delete()
814 			dict_assert (sister != nil);  in dict_delete()
816 		    sister->color = parent->color;  in dict_delete()
817 		    sister->left->color = dnode_black;  in dict_delete()