wagonorder: Do not show "in Abschnitt" when sections have no names

    % for my $desc ($wr->train_descriptions) {

      % if ($desc->{text}) {

        %= $desc->{text}

        % if ($has_multi_desc) {

        % if ($has_multi_desc and length(join(q{}, sort @{$desc->{sections}}))) {

          in Abschnitt <%= join(q{}, sort @{$desc->{sections}}) %>

        % }

        <br/>