var_get_name ((*v)[0]), add_name, add_name);
else if ((pv_opts & PV_NO_DUPLICATE) && included[idx])
msg (SE, _("Variable %s appears twice in variable list."), add_name);
var_get_name ((*v)[0]), add_name, add_name);
else if ((pv_opts & PV_NO_DUPLICATE) && included[idx])
msg (SE, _("Variable %s appears twice in variable list."), add_name);