rem: int retval;
add: if (mrl == NULL) totem_action_set_mrl (totem, mrl);
context: totem_action_set_mrl_and_play (Totem *totem, char *mrl){	int retval;	retval = totem_action_set_mrl (totem, mrl);	if (mrl == NULL || retval == FALSE)		return;	totem_action_play (totem, 0);}