iter->in_var = dict_create_var (mtf.dict, iter->in_name, 0);
if (iter->in_var == NULL)
{
msg (SE, _("IN variable name %s duplicates an "
"existing variable name."),
iter->in_var = dict_create_var (mtf.dict, iter->in_name, 0);
if (iter->in_var == NULL)
{
msg (SE, _("IN variable name %s duplicates an "
"existing variable name."),