PsppireDialogAction *pda = PSPPIRE_DIALOG_ACTION (a);
PsppireDialogActionUnivariate *act = PSPPIRE_DIALOG_ACTION_UNIVARIATE (a);
PsppireDialogAction *pda = PSPPIRE_DIALOG_ACTION (a);
PsppireDialogActionUnivariate *act = PSPPIRE_DIALOG_ACTION_UNIVARIATE (a);