title: Validator, </a> tag: "End tag a violates nesting rules"
body: <p>I ran my website in the w3 validator and got this error...</p>
  
  <p>Line 16, Column 4: End tag a violates nesting rules.</p>
  
  <pre><code>&lt;/a&gt;
  </code></pre>
  
  <p>What is the problem? I worked hard to write good markup and only got 2 errors, the other error I fixed, but this one I just can't work out...</p>