in lib/src/hierarchy_view.dart [294:311]
TableCellElement _cell(dynamic text,
{String align: 'left', String colspan: '1', bool pre: false}) {
TableCellElement element = new TableCellElement()
..style.textAlign = align
..attributes['colspan'] = colspan;
if (pre) {
PreElement pre = new PreElement();
pre.text = text.toString();
element.append(pre);
} else if (text is Node) {
element.children.add(text);
} else {
element.text = text.toString();
}
return element;
}