* Table.el Table with no Spanning
# See org-export-prefer-native-exporter-for-tables

    +---------------+---------------+
    |Term           |Percentage     |
    +---------------+---------------+
    |Quarter        |25%            |
    |One-Fourth     |               |
    +---------------+---------------+
    |Half           |50%            |
    |One-by-Two     |               |
    +---------------+---------------+
    |Three-Quarters |75%            |
    |Three-Fourths  |               |
    +---------------+---------------+
    |Full           |100%           |
    |Whole          |               |
    +---------------+---------------+
    
* Table.el Table with Spanning
   
  +----------+---------------------+----------+
  |Name      |cmd        calls     |Percentage|
  +----------+                     +----------+
  |rgb       |93         534       |46%       |
  +----------+                     +----------+
  |Xah       |82         090       |40%       |
  +----------+                     +----------+
  |total     |203        118       |100%      |
  +----------+---------------------+----------+
  
* Another Table.el Table with Spanning

  +-----------+----------+
  |   R1C1    |   R1C2   |
  +-----------+----------+
  |      R2C1 R2C2       |
  +-----------+----------+
  |   R3C1    |   R3C2   |
  |           +----------+
  |   R4C1    |   R4C2   |
  +-----------+----------+

* buggy export (pre-patch)

** org-export-prefer-native-exporter-for-tables is nil
 
#+begin_src html
      <div id="outline-container-1" class="outline-2">
	<h2 id="sec-1"><span class="section-number-2">1</span> Table.el Table with no Spanning </h2>
	<div class="outline-text-2" id="text-1">


	  <table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
	    <tr><th scope="col">Term</th>
	    <th scope="col">Percentage</th></tr>
	    <tr><td>Quarter<br/>One-Fourth</td>
	    <td>25%<br/></td></tr>
	    <tr><td>Half<br/>One-by-Two</td>
	    <td>50%<br/></td></tr>
	    <tr><td>Three-Quarters<br/>Three-Fourths</td>
	    <td>75%<br/></td></tr>
	    <tr><td>Full<br/>Whole</td>
	    <td>100%<br/></td></tr>
	  </table>

	</div>

      </div>

      <div id="outline-container-2" class="outline-2">
	<h2 id="sec-2"><span class="section-number-2">2</span> Table.el Table with Spanning </h2>
	<div class="outline-text-2" id="text-2">


	  <p>   
	    <del>-&mdash;&mdash;&mdash;</del>                     <del>-&mdash;&mdash;&mdash;</del>
	    <del>-&mdash;&mdash;&mdash;</del>                     <del>-&mdash;&mdash;&mdash;</del>
	    <del>-&mdash;&mdash;&mdash;</del>                     <del>-&mdash;&mdash;&mdash;</del>
	    </p><table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
	    <tr><th scope="col">Name<br/>rgb<br/>Xah<br/>total</th>
	    <th scope="col">cmd        calls<br/>93         534<br/>82         090<br/>203        118</th>
	    <th scope="col">Percentage<br/>46%<br/>40%<br/>100%</th></tr>
	  </table>

	</div>

      </div>

      <div id="outline-container-3" class="outline-2">
	<h2 id="sec-3"><span class="section-number-2">3</span> Another Table.el Table with Spanning </h2>
	<div class="outline-text-2" id="text-3">


	  <table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
	    <tr><th scope="col">R1C1</th>
	    <th scope="col">R1C2</th></tr>
	    <tr><td>R2C1 R2C2</td></tr>
	    <tr><td>R3C1<br/><del>-&mdash;&mdash;&mdash;</del><br/>R4C1</td>
	    <td>R3C2<br/><br/>R4C2</td></tr>
	  </table>
	</div>
      </div>
#+end_src


* correct export (post-patch)
** org-export-prefer-native-exporter-for-tables is t
#+begin_src html
  <div id="outline-container-1" class="outline-2">
    <h2 id="sec-1"><span class="section-number-2">1</span> Table.el Table with no Spanning </h2>
    <div class="outline-text-2" id="text-1">
  
  
      <!-- This HTML table template is generated by emacs 24.0.50.1 -->
      <table border="1">
        <tr>
          <td align="left" valign="top">
            Term&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            Percentage&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td align="left" valign="top">
            Quarter&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            One-Fourth&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            25%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td align="left" valign="top">
            Half&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            One-by-Two&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            50%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td align="left" valign="top">
            Three-Quarters&nbsp;<br />
            Three-Fourths&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            75%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td align="left" valign="top">
            Full&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            Whole&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            100%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
      </table>
  
    </div>
  
  </div>
  
  <div id="outline-container-2" class="outline-2">
    <h2 id="sec-2"><span class="section-number-2">2</span> Table.el Table with Spanning </h2>
    <div class="outline-text-2" id="text-2">
  
  
      <!-- This HTML table template is generated by emacs 24.0.50.1 -->
      <table border="1">
        <tr>
          <td align="left" valign="top">
            Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td rowspan="4" align="left" valign="top">
            cmd&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;calls&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            93&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;534&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            82&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;090&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            203&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;118&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            Percentage
          </td>
        </tr>
        <tr>
          <td align="left" valign="top">
            rgb&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            46%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td align="left" valign="top">
            Xah&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            40%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td align="left" valign="top">
            total&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            100%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
      </table>
  
    </div>
  
  </div>
  
  <div id="outline-container-3" class="outline-2">
    <h2 id="sec-3"><span class="section-number-2">3</span> Another Table.el Table with Spanning </h2>
    <div class="outline-text-2" id="text-3">
  
  
      <!-- This HTML table template is generated by emacs 24.0.50.1 -->
      <table border="1">
        <tr>
          <td align="center" valign="top">
            &nbsp;&nbsp;&nbsp;R1C1&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="center" valign="top">
            &nbsp;&nbsp;&nbsp;R1C2&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td colspan="2" align="center" valign="top">
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;R2C1&nbsp;R2C2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td rowspan="2" align="center" valign="top">
            &nbsp;&nbsp;&nbsp;R3C1&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;R4C1&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="center" valign="top">
            &nbsp;&nbsp;&nbsp;R3C2&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td align="center" valign="top">
            &nbsp;&nbsp;&nbsp;R4C2&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
      </table>
    </div>
  </div>
#+end_src

** org-export-prefer-native-exporter-for-tables is nil

#+begin_src html
  <div id="outline-container-1" class="outline-2">
    <h2 id="sec-1"><span class="section-number-2">1</span> Table.el Table with no Spanning </h2>
    <div class="outline-text-2" id="text-1">
  
  
      <table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
        <tr><th scope="col">Term</th>
        <th scope="col">Percentage</th></tr>
        <tr><td>Quarter<br/>One-Fourth</td>
        <td>25%<br/></td></tr>
        <tr><td>Half<br/>One-by-Two</td>
        <td>50%<br/></td></tr>
        <tr><td>Three-Quarters<br/>Three-Fourths</td>
        <td>75%<br/></td></tr>
        <tr><td>Full<br/>Whole</td>
        <td>100%<br/></td></tr>
      </table>
  
    </div>
  
  </div>
  
  <div id="outline-container-2" class="outline-2">
    <h2 id="sec-2"><span class="section-number-2">2</span> Table.el Table with Spanning </h2>
    <div class="outline-text-2" id="text-2">
  
  
      <!-- This HTML table template is generated by emacs 24.0.50.1 -->
      <table border="1">
        <tr>
          <td align="left" valign="top">
            Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td rowspan="4" align="left" valign="top">
            cmd&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;calls&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            93&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;534&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            82&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;090&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            203&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;118&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            Percentage
          </td>
        </tr>
        <tr>
          <td align="left" valign="top">
            rgb&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            46%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td align="left" valign="top">
            Xah&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            40%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td align="left" valign="top">
            total&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="left" valign="top">
            100%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
      </table>
  
    </div>
  
  </div>
  
  <div id="outline-container-3" class="outline-2">
    <h2 id="sec-3"><span class="section-number-2">3</span> Another Table.el Table with Spanning </h2>
    <div class="outline-text-2" id="text-3">
  
  
      <!-- This HTML table template is generated by emacs 24.0.50.1 -->
      <table border="1">
        <tr>
          <td align="center" valign="top">
            &nbsp;&nbsp;&nbsp;R1C1&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="center" valign="top">
            &nbsp;&nbsp;&nbsp;R1C2&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td colspan="2" align="center" valign="top">
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;R2C1&nbsp;R2C2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td rowspan="2" align="center" valign="top">
            &nbsp;&nbsp;&nbsp;R3C1&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
            &nbsp;&nbsp;&nbsp;R4C1&nbsp;&nbsp;&nbsp;&nbsp;
          </td>
          <td align="center" valign="top">
            &nbsp;&nbsp;&nbsp;R3C2&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
        <tr>
          <td align="center" valign="top">
            &nbsp;&nbsp;&nbsp;R4C2&nbsp;&nbsp;&nbsp;
          </td>
        </tr>
      </table>
    </div>
  </div>
#+end_src