rem: D("The playlist isn't empty");
context: update_current_from_playlist (GtkPlaylist *playlist){	D("update_current_from_playlist");	if (playlist->_priv->current == NULL)	{		D("update_current_from_playlist: current is NULL");		if (gtk_tree_model_iter_n_children (playlist->_priv->model,					NULL) != 0)		{			D("The playlist isn't empty");			playlist->_priv->current =				gtk_tree_path_new_from_string ("0");		} else {			D("The playlist is empty");			return FALSE;		}	}	return TRUE;}