[% 
    subjects = [
        {
            label => l('Subject: '),
            xpath => '//*[@tag="600" or @tag="610" or @tag="611" or @tag="630" or @tag="650" or @tag="651"]'
        }, {
            label => l('Genre: '),
            xpath => '//*[@tag="655"]|//*[@tag="659"]'
        }, {
            label => l('Topic Heading: '),
            xpath => '//*[@tag="690"]'
        }, {
            label => l('Geographic Setting: '),
            xpath => '//*[@tag="691"]'
        }, {
            label => l('Biographical Subject: '),
            xpath => '//*[@tag="692"]'
        }, {
            label => l('Character Attributes: '),
            xpath => '//*[@tag="693"]'
        }, {
            label => l('Setting: '),
            xpath => '//*[@tag="698"]'
        }, {
            label => l('Time Period: '),
            xpath => '//*[@tag="699"]'
        }
    ];

    BLOCK render_subject;
        xpath = xpath || '//*[starts-with(@tag,"6")]';
        FOR node IN ctx.marc_xml.findnodes(xpath);
            all_terms = [];
            graphics = [];
            FOR subfield IN node.childNodes;
                NEXT UNLESS subfield.nodeName == "subfield";
                code = subfield.getAttribute('code');
                IF code == '6';
                   linked_fields = [subfield.textContent()];
                   target_field = node.getAttribute('tag');
                   get_linked_880s;
                END;
                NEXT UNLESS code.match('[a-z]');
                IF code.match('[vxyz]'); " > "; END;
                # at this point, we actually have a partial term to use.
                single_term = subfield.textContent | html;
                all_terms.push(subfield.textContent.replace('\-', ' ').replace('[#"^$\+,\.:;&|\[\]()]', ''));
                total_term = all_terms.join(" ").replace('\s+$', '');
            %]
<a href="[% mkurl(ctx.opac_root _ '/results', {qtype=>'subject', query=>total_term}, stop_parms.merge(expert_search_parms, general_search_parms, browse_search_parms, facet_search_parms)) %]">[% single_term %]</a>
            [%- END;
            IF all_terms.size; "<br/>"; END;
            FOREACH link880 IN graphics;
                '<div class="graphic880"' _ link880.dir _ '>';
                link880.value | html;
                '</div>';
            END;
        END;
    END 
%]

[%  BLOCK render_all_subjects;
    FOREACH subj IN subjects;
        content = PROCESS render_subject(xpath=subj.xpath);
        IF content.match('\S');
%]
        <table class='rdetail_subject'>
            <tbody>
                <tr>
                    <td class='rdetail_subject_type'>[% subj.label %]</td>
                    <td class='rdetail_subject_value' property='keywords'>[% content %]</td>
                </tr>
            </tbody>
        </table>
        [%- END; %]
    [%- END; %]
[%- END %]

[%-  subject_html = PROCESS render_all_subjects;
    IF subject_html.length > 0;
%]
<h2 class='rdetail_related_subjects'>[% l('Search for related items by subject') %]</h2>
[%- subject_html %]
[%- END %]