char *dict_make_unique_var_name (const struct dictionary *, const char *hint,
unsigned long int *num_start);
+bool dict_get_names_must_be_ids (const struct dictionary *);
+void dict_set_names_must_be_ids (struct dictionary *, bool);
+
/* Weight variable. */
double dict_get_case_weight (const struct dictionary *,
const struct ccase *, bool *);