gtk_math_view_load_root(GtkMathView* math_view, GdomeElement* elem)
gtk_math_view_load_root(GtkMathView* math_view, GtkMathView_Model_Element elem)
gtk_math_view_load_root(GtkMathView* math_view, GdomeElement* elem){  g_return_val_if_fail(math_view != NULL, FALSE);  g_return_val_if_fail(math_view->view != NULL, FALSE);  if (SmartPtr<gmetadom_Builder> builder = smart_cast<gmetadom_Builder>(math_view->view->getBuilder()))    builder->setRootModelElement(DOM::Element(elem));  reset_adjustments(math_view);  paint_widget(math_view);  return TRUE;}