the delimiters, but does not try to check 
that it contains valid Java code.</p><p>

A more complete CUP specification for our example system (with actions 
embedded at various points in the grammar) is shown below:<br>
</p><hr>
<pre><tt>// CUP specification for a simple expression evaluator (w/ actions)

import java_cup.runtime.*;

/* Preliminaries to set up and use the scanner.  */
init with {: scanner.init();              :};
scan with {: return scanner.next_token(); :};

/* Terminals (tokens returned by