}    # notforloan, item level and biblioitem level

        }    # notforloan, item level and biblioitem level

        # if all items are hidden, do not show the record

        # if all items are hidden, do not show the record

            next;

            next;

        }

        }

('OPACFRBRizeEditions','0','','If ON, the OPAC will query one or more ISBN web services for associated ISBNs and display an Editions tab on the details pages','YesNo'),

('OPACFRBRizeEditions','0','','If ON, the OPAC will query one or more ISBN web services for associated ISBNs and display an Editions tab on the details pages','YesNo'),

('OpacHiddenItems','','','This syspref allows to define custom rules for hiding specific items at the OPAC. See http://wiki.koha-community.org/wiki/OpacHiddenItems for more information.','Textarea'),

('OpacHiddenItems','','','This syspref allows to define custom rules for hiding specific items at the OPAC. See http://wiki.koha-community.org/wiki/OpacHiddenItems for more information.','Textarea'),

('OpacHiddenItemsExceptions','',NULL,'List of borrower categories, separated by |, that can see items otherwise hidden by OpacHiddenItems','Textarea'),

('OpacHiddenItemsExceptions','',NULL,'List of borrower categories, separated by |, that can see items otherwise hidden by OpacHiddenItems','Textarea'),

('OpacHighlightedWords','1','','If Set, then queried words are higlighted in OPAC','YesNo'),

('OpacHighlightedWords','1','','If Set, then queried words are higlighted in OPAC','YesNo'),

('OPACHoldingsDefaultSortField','first_column','first_column|homebranch|holdingbranch','Default sort field for the holdings table at the OPAC','choice'),

('OPACHoldingsDefaultSortField','first_column','first_column|homebranch|holdingbranch','Default sort field for the holdings table at the OPAC','choice'),

('OPACHoldsHistory','0','','If ON, enables display of Patron Holds History in OPAC','YesNo'),

('OPACHoldsHistory','0','','If ON, enables display of Patron Holds History in OPAC','YesNo'),

            - 'List of patron categories, separated by |, that can see items otherwise hidden by <a href="/cgi-bin/koha/admin/preferences.pl?op=search&searchfield=OpacHiddenItems">OpacHiddenItems</a>:'

            - 'List of patron categories, separated by |, that can see items otherwise hidden by <a href="/cgi-bin/koha/admin/preferences.pl?op=search&searchfield=OpacHiddenItems">OpacHiddenItems</a>:'

            - pref: OpacHiddenItemsExceptions

            - pref: OpacHiddenItemsExceptions

        -

        -

            - pref: OpacAllowPublicListCreation

            - pref: OpacAllowPublicListCreation

              default: 1

              default: 1

              choices:

              choices:

unless ( $patron and $patron->category->override_hidden_items ) {

unless ( $patron and $patron->category->override_hidden_items ) {

    # only skip this check if there's a logged in user

    # only skip this check if there's a logged in user

    # and its category overrides OpacHiddenItems

    # and its category overrides OpacHiddenItems

        print $query->redirect('/cgi-bin/koha/errors/404.pl'); # escape early

        print $query->redirect('/cgi-bin/koha/errors/404.pl'); # escape early

        exit;

        exit;

    }

    }

my $tagslib = &GetMarcStructure( 0, $framework );

my $tagslib = &GetMarcStructure( 0, $framework );

my ($tag_itemnumber,$subtag_itemnumber) = &GetMarcFromKohaField( 'items.itemnumber' );

my ($tag_itemnumber,$subtag_itemnumber) = &GetMarcFromKohaField( 'items.itemnumber' );

my @nonhiddenitems = $record->field($tag_itemnumber);

my @nonhiddenitems = $record->field($tag_itemnumber);

    print $query->redirect("/cgi-bin/koha/errors/404.pl");

    print $query->redirect("/cgi-bin/koha/errors/404.pl");

    exit;

    exit;

}

}

    my @hidden_items     = GetHiddenItemnumbers({ items => \@all_items, borcat => $borcat });

    my @hidden_items     = GetHiddenItemnumbers({ items => \@all_items, borcat => $borcat });

    # If every item is hidden, then the biblio should be hidden too.

    # If every item is hidden, then the biblio should be hidden too.

    # copy the visible ones into the items array.

    # copy the visible ones into the items array.

    my @items;

    my @items;

    push @hiddenitems,

    push @hiddenitems,

      GetHiddenItemnumbers( { items => \@all_items, borcat => $borcat } );

      GetHiddenItemnumbers( { items => \@all_items, borcat => $borcat } );

        print $query->redirect("/cgi-bin/koha/errors/404.pl"); # escape early

        print $query->redirect("/cgi-bin/koha/errors/404.pl"); # escape early

        exit;

        exit;

    }

    }

                borcat => $borcat });

                borcat => $borcat });

            $hidden_items = \@hidden_itemnumbers;

            $hidden_items = \@hidden_itemnumbers;

        }

        }

        $tag->{title} = $biblio->title;

        $tag->{title} = $biblio->title;

        $tag->{subtitle} = $biblio->subtitle;

        $tag->{subtitle} = $biblio->subtitle;

        $tag->{medium} = $biblio->medium;

        $tag->{medium} = $biblio->medium;