ation.<p>

After the <tt>action code</tt> declaration is an optional 
<tt>parser code</tt> declaration.  This declaration allows methods and
variable to be placed directly within the generated parser class.
Although this is less common, it can be helpful when customizing the 
parser &amp;emdash; it is possible for example, to include scanning methods inside
the parser and/or override the default error reporting routines.  This 
declaration is very similar to the <tt>action code</tt> declaration and 
takes t