-struct fmt_spec;
-
-/* Formats a value according to FORMAT
- The returned string must be freed when no longer required */
-gchar * value_to_text (union value v, struct fmt_spec format);
-
-
-gboolean text_to_value (const gchar *text, union value *v,
- struct fmt_spec format);
-
-GtkWidget * get_widget_assert (gpointer x, const gchar *name);
-
-/* Converts a string in the pspp locale to utf-8 */
-char * pspp_locale_to_utf8 (const gchar *text, gssize len, GError **err);