- $marc->add_fields(260,' ',' ',
- $vi->{publisher} ? ( 'b' => $vi->{publisher} ) : (),
- $vi->{publishedDate} ? ( 'c' => $vi->{publishedDate} ) : ()
- );
+ if ( exists $vi->{publisher} or exists $vi->{publishedDate} ) {
+ $marc->add_fields(260,' ',' ',
+ $vi->{publisher} ? ( 'b' => $vi->{publisher} ) : (),
+ $vi->{publishedDate} ? ( 'c' => $vi->{publishedDate} ) : ()
+ );
+ }