/* to have subgraphs */
int n_cluster;
graph_t **clust; /* clusters are in clust[1..n_cluster] !!! */
+ graph_t *dotroot;
node_t *nlist;
rank_t *rank;
graph_t *parent; /* containing cluster (not parent subgraph) */
#define GD_border(g) (((Agraphinfo_t*)AGDATA(g))->border)
#define GD_cl_cnt(g) (((Agraphinfo_t*)AGDATA(g))->cl_nt)
#define GD_clust(g) (((Agraphinfo_t*)AGDATA(g))->clust)
+#define GD_dotroot(g) (((Agraphinfo_t*)AGDATA(g))->dotroot)
#define GD_comp(g) (((Agraphinfo_t*)AGDATA(g))->comp)
#define GD_exact_ranksep(g) (((Agraphinfo_t*)AGDATA(g))->exact_ranksep)
#define GD_expanded(g) (((Agraphinfo_t*)AGDATA(g))->expanded)