[ "Record syntaxes" => \&calc_recsyn, $xc ],
[ "Explain" => \&calc_explain, $xc ],
[ "Multiple OPAC records" => \&calc_mor, $xc ],
+ [ "Piggback searching" => \&calc_piggyback, $xc ],
);
my $title = $xc->find("e:databaseInfo/e:title");
</%perl>
sub calc_nrs { _calc_boolean(@_, 'i:status/i:named_resultset[@ok = "1"]') }
sub calc_mor { _calc_boolean(@_, 'i:status/i:multiple_opac[@ok = "1"]') }
+sub calc_piggyback { _calc_boolean(@_, 'i:status/i:piggback[@ok = "1"]') }
sub _calc_boolean {
my($id, $xc, $xpath) = @_;