{%- macro rowdata(row) -%}
<tr>
{%- for column in row -%}
  <td>{{ column }}</td>
{%- endfor -%}
</tr>
{%- endmacro -%}

{%- macro rowheader(row) -%}
<tr>
{%- for column in row -%}
    <th>{{ column }}</th>
{%- endfor -%}
</tr>
{%- endmacro -%}