>op1</span> <span class="identifier">b</span> <span class="identifier">op2</span> <span class="identifier">c</span>
</pre>
<p class="simpara">
            is equivalent to:
          </p>
<pre class="programlisting"><span class="identifier">create</span><span class="special">-</span><span class="identifier">expression</span><span class="special">(</span><span class="identifier">create</span><span class="special">-</span><span class="identifier">expression</span><span class="special">(</span><span class="ide