title: Nested comments in XML?
body: <p>Are these nested comments allowed in a XML file?</p>
  
  <pre><code>&lt;!-- Making only one observation attempting to correct the error code --&gt;
  &lt;!-- &lt;component&gt;
         &lt;!-- Result observation template --&gt;
              &lt;!-- &lt;id root="2.16.840.1.113883.19.5.10" extension="103220"/&gt;
       &lt;/component&gt; --&gt;
  </code></pre>