Inform user of limit value for samehead/sametail.

diff --git a/lib/dotgen/sameport.c b/lib/dotgen/sameport.c
index 7722d6cd0bb47a835c2c02a4695dda456be544f1..c888f1ec0c648a737bb87c5a3723d655d9539e1f 100644 (file)
--- a/lib/dotgen/sameport.c
+++ b/lib/dotgen/sameport.c
@@ -90,8 +90,8 @@ static void sameedge(same_t * same, node_t * n, edge_t * e, char *id)
        }
     if (++n_same > MAXSAME) {
        n_same--;
-       agerr(AGERR, "too many same{head,tail} groups for node %s\n",
-             agnameof(n));
+       agerr(AGERR, "too many (> %d) same{head,tail} groups for node %s\n",
+             MAXSAME, agnameof(n));
        return;
     }
     alloc_elist(1, same[i].l);