 by 
<a href="http://www.cs.cmu.edu/%7Ehudson/">
Scott Hudson</a>, in August of 1995.</p><p>

It was extended to support precedence by 
<a href="http://www.princeton.edu/%7Efrankf">
Frank Flannery</a>, in July of 1996.</p><p>

On-going improvements have been done by
<a href="http://www.pdos.lcs.mit.edu/%7Ecananian">
C. Scott Ananian</a>, the CUP maintainer, from December of 1997 to the
present.</p><p>

<a name="refs"></a>
<h3>References</h3>
</p><dl compact="compact">

<dt><a name="YACCref">[1]</a> 
</dt><d