an></code>
            (unary negation) etc.
          </p>
<div class="caution"><table border="0" summary="Caution">
<tr>
<td rowspan="2" align="center" valign="top" width="25"><img alt="[Caution]" src="../../../../../../doc/src/images/caution.png"></td>
<th align="left">Caution</th>
</tr>
<tr><td align="left" valign="top"><p>
              Since the <code class="computeroutput"><span class="identifier">expression</span></code>
              object is composed from left-to-right, it actually observes a cha