>debug_parse()</tt> returns a
Symbol.  This Symbol is the start non-terminal, so the <tt>value</tt> 
instance variable contains the final <tt>RESULT</tt> assignment. 

<h5><a name="prec_add">Precedence</a></h5>

CUP now has precedenced terminals.  a new declaration section,
occurring between the terminal and non-terminal declarations and the
grammar specifies the precedence and associativity of rules.  The
declarations are of the form:

<pre><tt>
precedence {left| right | nonassoc} <i>terminal</i>[, <i>term