null, 'left' => null, 'right' => null, 'bottom' => null, // --- Default left column when `left` is null --- 'holder' => 'Anton Afanaasyeu, 2026 - current', 'copyright_symbol' => "\u{00A9}", 'show_year' => false, // null = current calendar year at render time (end of range). 'year' => null, // Integer start year. With year_through_current: "2026 - current" (literal suffix). // Without it: "2026–2027" range (en dash) or lone "2026" when start equals end year. 'year_start' => 2026, 'year_through_current' => true, // CSS class on