 clickedEl = event.target;
            if (clickedEl !== selectedAnnoteEl) {
              unselectCodeLines();
              const activeEl = window.document.querySelector('dt[data-target-cell].code-annotation-active');
              if (activeEl) {
                activeEl.classList.remove('code-annotation-active');
              }
              selectCodeLines(clickedEl);
              clickedEl.classList.add('code-annotation-active');
            } else {
              // Unselect the line
             