Fix for #1006 part 2 (e.g. dot -Txdot try.dot )

diff --git a/lib/common/output.c b/lib/common/output.c
index 82067c2815392d4385baf79a8df9ffaeb331e8a1..c418b56a3ab5c4a8ba16aa23e175236c73b2652d 100644 (file)
--- a/lib/common/output.c
+++ b/lib/common/output.c
@@ -443,6 +443,9 @@ void extend_attrs_glabel(graph_t *sg, agxbuf **xbufs)
     if (!g_draw)
         g_draw = safe_dcl(sg->root, sg, "_draw_", "", agraphattr);
     agxset(sg, g_draw->index, agxbuse(xbufs[EMIT_CDRAW]));
-    if (GD_label(sg))
+    if (GD_label(sg)) {
+        if (!g_l_draw)
+            g_l_draw = safe_dcl(sg->root, sg, "_ldraw_", "", agraphattr);
        agxset(sg, g_l_draw->index, agxbuse(xbufs[EMIT_CLABEL]));
+    }
 }