my $context = C4::Context->new;
my ( $biblionumber_tag, $biblionumber_subfield ) =
- GetMarcFromKohaField( 'biblio.biblionumber', '' );
+ GetMarcFromKohaField( 'biblio.biblionumber' );
my ( $isbn_tag, $isbn_subfield ) =
- GetMarcFromKohaField( 'biblioitems.isbn', '' );
+ GetMarcFromKohaField( 'biblioitems.isbn' );
# Harry Potter and the Sorcerer's Stone, 1st American ed. 1997
my $isbn1 = '0590353403';