gchar * pspp_locale_to_utf8 (const gchar *text, gssize len, GError **err);
gchar * utf8_to_pspp_locale (const gchar *text, gssize len, GError **err);
+gchar * convert_glib_filename_to_system_filename (const gchar *fname,
+ GError **err);
+
void connect_help (GtkBuilder *);