PsppireDialogActionFrequencies *act = PSPPIRE_DIALOG_ACTION_FREQUENCIES (a);
PsppireDialogAction *pda = PSPPIRE_DIALOG_ACTION (a);
PsppireDialogActionFrequencies *act = PSPPIRE_DIALOG_ACTION_FREQUENCIES (a);
PsppireDialogAction *pda = PSPPIRE_DIALOG_ACTION (a);