        /* the whole-discography page: its rows, its tabs (All in front), the
           year headers, an opened edition rail, the cap's own button, the
           first row's title, the order the head is showing and the summary
           line — plus, back on the artist page, the link down to it */
        dgRows: document.querySelectorAll('.dg-row').length,
        dgTabs: document.querySelectorAll('.dg-tabs button').length,
        dgGroups: document.querySelectorAll('.dg-group').length,
        dgEds: document.querySelectorAll('.dg-eds .ed').length,
        dgMore: (document.querySelector('.dg-more') || {}).textContent || '',
        dgFirst: (document.querySelector('.dg-row .t') || {}).textContent || '',
        dgOrder: (document.querySelector('.dg-sec .all') || {}).textContent || '',
        dgSum: (document.querySelector('.dg-head .m') || {}).textContent || '',
        dgAll: (document.querySelector('.more-link.dg-all') || {}).textContent || '',
