把第一个表头单元的的内容与 "M" 字符对齐 - 在线编辑器

          <table border="1">
  <tr>
    <th align="char" char="M">Month</th>
    <th>Savings</th>
  </tr>
  <tr>
    <td>January</td>
    <td>$100.00</td>
  </tr>
  <tr>
    <td>February</td>
    <td>$10.00</td>
  </tr>
</table>
        