tion) to customize the system.  Methods
available for customization include:
</p><dl compact="compact">
<dt><tt>public void user_init()</tt>
</dt><dd>This method is called by the parser prior to asking for the first token 
    from the scanner.  The body of this method contains the code from the 
    <tt>init with</tt> clause of the the specification.  
</dd><dt><a name="scan_method"></a><tt>public java_cup.runtime.Symbol scan()</tt>
</dt><dd>This method encapsulates the scanner and is called each time a ne