title: Gmail client renders '&nbsp;' as symbol in preview
body: <p>The Gmail client renders <code>&amp;nbsp;</code> as symbol not as a white-space in preview:</p>
  
  <pre><code>&lt;td&gt;&amp;nbsp;&lt;/td&gt;
  &lt;td align="center" width="560"&gt;Content&lt;/td&gt;
  &lt;td&gt;&amp;nbsp;&lt;/td&gt;
  </code></pre>
  
  <p>How can I solve this?</p>