title: Whats the difference between & and &amp; in HTML5?
body: <p>What is the difference between <code>&amp;</code> and <code>&amp;amp;</code>?</p>
  
  <p>Like in the code bellow, are both working in the same way?</p>
  
  <pre><code>&lt;a href="mailto:EMAIL?subject=BLABLABLA&amp;body=http://URL, SHORT DESCRIPTION"&gt;&lt;/a&gt;
  &lt;a href="mailto:EMAIL?subject=BLABLABLA&amp;amp;body=http://URL, SHORT DESCRIPTION"&gt;&lt;/a&gt;
  </code></pre>