t="Nail.png" />
<ul class="org-ul">
<li>Goals:
<ul class="org-ul">
<li>Grammar describes format <b>and</b> data type
</li>
<li>Handle real-world formats
</li>
</ul>
</li>
</ul>
</section>

</section>
<section>
<section id="sec-4" >

<h2>Overview</h2>
<ul class="org-ul">
<li>Based on Parser Expression Grammars
</li>
<li>Semantic Combinators
<ul class="org-ul">
<li>Structure instead of sequence 
</li>
<li>Labelled options 
</li>
</ul>
</li>
<li>Dependency fields
<ul class="org-ul">
<li>Hide structural element