| uris -> return (Some (List.map NReference.reference_of_string uris)));
connect_button dialog#uriChoiceAbortButton (fun _ -> return None);
dialog#uriChoiceDialog#show ();
+ (* CSC: old Gtk2 code. Use #run instead. Look for similar code handling
+ other dialogs *)
GtkThread.main ();
(match !choices with
| None -> raise MatitaTypes.Cancel