<li>Parser trips over xml declarations (need to ignore or strip them)</li>
<li>Generate a report of all applied transformations</li>
<li>Experiment with web workers (to avoid freezing browser)</li>
+ <li>Whitespace is munged in element that's descendant of <code>pre</code>
+ (e.g.: <code><pre><code>...</code></pre></code>)</li>
</ul>
<ul>
<li>HTMLLint: warn about repeating attributes (e.g. multiple styles, classes, etc.)</li>