if (d->changed) d->changed (d, d->changed_data);
if (d->callbacks && d->callbacks->var_changed)
d->callbacks->var_changed (d, var_get_dict_index (v), what, oldvar, d->cb_data);
if (d->changed) d->changed (d, d->changed_data);
if (d->callbacks && d->callbacks->var_changed)
d->callbacks->var_changed (d, var_get_dict_index (v), what, oldvar, d->cb_data);