docs: function _createCellHtml(cell) {
    let attrs = cell.colspan > 1 ? ` colspan="${cell.colspan}"` : '';
    attrs += cell.rowspan > 1 ? ` rowspan="${cell.rowspan}"` : '';
    attrs += cell.align ? ` align="${cell.align}"` : '';
  
    return `<${cell.nodeName}${attrs}>${cell.content}</${cell.nodeName}>`;
  }