'error.overlap' => 'Tidsinterval overlapper eksisterende poster.',
'error.future_date' => 'Datoen er ud i fremtiden.',
// TODO: translate the following.
+// 'error.xml' => 'Error in XML file at line %d: %s.',
// 'error.cannot_import' => 'Cannot import: %s.',
+// 'error.format' => 'Invalid file format.',
// Labels for buttons.
'button.login' => 'Log ind',