- 'buchung-input|bi' => \$data{'buchung-input'},
- 'buchung-unpaid|bu' => \$data{'buchung-unpaid'},
- 'buchung-hidden|bh' => \$data{'buchung-hidden'},
+ 'buchung-input|bi' => \&buchung_input,
+ 'buchung-unpaid|bu' => \&buchung_unpaid,
+ 'buchung-hidden|bh' => \&buchung_hidden,