GtkBuilder *builder = ia->asst.builder;
-#if 0
p->page = add_page_to_assistant (ia, get_widget_assert (builder, "FirstLine"),
GTK_ASSISTANT_PAGE_CONTENT);
-#endif
+
gtk_widget_destroy (get_widget_assert (builder, "first-line"));
p->tree_view = create_lines_tree_view (
GTK_CONTAINER (get_widget_assert (builder, "first-line-scroller")), ia);