- if ( ($tagslib->{$tag}->{$subfield}->{hidden} % 2 == 1) and $value ne ''
- or ($value eq '' and !$tagslib->{$tag}->{$subfield}->{mandatory})
- );
- # always expand all subfields of a mandatory field
- $subfield_data{visibility} = "" if $tagslib->{$tag}->{mandatory};