>

The comma separated list indicates that those terminals should have the
associativity specified at that precedence level and the precedence of
that declaration.  The order of precedence, from highest to lowest, is
bottom to top.  Hence, this declares that multiplication and division have
higher precedence than addition and subtraction:
<pre><tt>
	precedence left  ADD, SUBTRACT;
	precedence left  TIMES, DIVIDE;
</tt></pre>
Precedence resolves shift reduce problems.  For example, given the input
to the abo