.10a</dt><dd>August 1996, <a href="#about">several major changes</a> to
the interface.
</dd><dt>0.10b</dt><dd>November 1996, fixes a few minor bugs.
</dd><dt>0.10c</dt><dd>July 1997, fixes a bug related to precedence declarations.
</dd><dt>0.10e</dt><dd>September 1997, fixes a bug introduced in 0.10c relating
to <tt>nonassoc</tt> precedence.  Thanks to 
<a href="http://www.cs.purdue.edu/homes/hosking">Tony Hosking</a> 
for reporting the bug and providing the fix.
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