pecial">-</span><span class="identifier">buffer</span><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code> (see <a class="link" href="../operator/optional.html" title="Optional Generator (-a)">Optional
              (unary <code class="computeroutput"><span class="special">-</span></code>)</a>).
            </p></td></tr>
</table></div>
<h6>
<a name="spirit.karma.reference.directive.buffer.h4"></a>
            <span class="phrase"><a name="spirit.karma.referen