Index: app/actions/plug-in-commands.c
===================================================================
RCS file: /cvs/gnome/gimp/app/actions/plug-in-commands.c,v
retrieving revision 1.229
diff -u -p -r1.229 plug-in-commands.c
--- app/actions/plug-in-commands.c	29 Oct 2006 22:19:33 -0000	1.229
+++ app/actions/plug-in-commands.c	16 Nov 2006 10:53:13 -0000
@@ -363,8 +363,20 @@ plug_in_collect_item_args (GtkAction   *
           gimp_value_set_image (&args->values[n_args], image);
           n_args++;
 
+          g_printerr ("%s\n", G_VALUE_TYPE_NAME(&args->values[n_args]));
+          g_printerr ("vectors-id?: %d\n",
+                      GIMP_VALUE_HOLDS_VECTORS_ID (&args->values[n_args]));
+          g_printerr ("item-id?: %d\n",
+                      GIMP_VALUE_HOLDS_ITEM_ID (&args->values[n_args]));
+          g_printerr ("is-a?: %d\n",
+                      g_type_is_a (G_VALUE_TYPE(&args->values[n_args]),
+                                   GIMP_TYPE_ITEM_ID));
+
           if (args->n_values > n_args &&
-              GIMP_VALUE_HOLDS_ITEM_ID (&args->values[n_args]))
+              (GIMP_VALUE_HOLDS_DRAWABLE_ID (&args->values[n_args])) ||
+              (GIMP_VALUE_HOLDS_CHANNEL_ID (&args->values[n_args])) ||
+              (GIMP_VALUE_HOLDS_LAYER_ID (&args->values[n_args])) ||
+              (GIMP_VALUE_HOLDS_VECTORS_ID (&args->values[n_args])))
             {
               if (item)
                 {