/* Variable labels. */
const char *var_to_string (const struct variable *);
const char *var_get_label (const struct variable *);
-bool var_set_label (struct variable *, const char *label,
- const char *dict_encoding, bool issue_warning);
+bool var_set_label (struct variable *, const char *label, bool issue_warning);
void var_clear_label (struct variable *);
bool var_has_label (const struct variable *);