clean ups. -timj

clean ups.
-timj

gtk/gtkobject.c

@@ -109,10 +109,11 @@ gtk_object_debug (void)
 	  GtkObject *obj;
 	  
 	  obj = (GtkObject*) node->data;
-	  printf ("%p: %s %d %s\n",
+	  printf ("%p: %s ref_count=%d%s%s\n",
 		  obj, gtk_type_name (GTK_OBJECT_TYPE (obj)),
 		  obj->ref_count,
-		  GTK_OBJECT_FLOATING (obj)? "floating" : "");
+		  GTK_OBJECT_FLOATING (obj) ? " (floating)" : "",
+		  GTK_OBJECT_DESTROYED (obj) ? " (destroyed)" : "");
 	}
     }
   printf ("living objects count = %d\n", obj_count);
@@ -456,7 +457,7 @@ gtk_object_destroy (GtkObject *object)
  *
  * Weak refs are very similar to the old "destroy" signal.  They allow
  * one to register a callback that is called when the weakly
- * referenced object is destroyed.
+ * referenced object is finalized.
  *  
  * They are not implemented as a signal because they really are
  * special and need to be used with great care.  Unlike signals, who
@@ -704,6 +705,11 @@ gtk_object_query_args (GtkType	class_type,
   if (!arg_info_ht)
     return NULL;
 
+  /* make sure the types class has been initialized, because
+   * the argument setup happens in the gtk_*_class_init() functions.
+   */
+  gtk_type_class (class_type);
+
   query_data.arg_list = NULL;
   query_data.class_type = class_type;
   g_hash_table_foreach (arg_info_ht, gtk_query_arg_foreach, &query_data);

gtk/gtkwidget.c

@@ -1124,6 +1124,10 @@ void
 gtk_widget_destroyed (GtkWidget      *widget,
 		      GtkWidget      **widget_pointer)
 {
+  /* Don't make any assumptions about the
+   *  value of widget!
+   *  Even check widget_pointer.
+   */
   if (widget_pointer)
     *widget_pointer = NULL;
 }