hasis"><em>Spirit.Karma</em></span>,
          we use the <code class="computeroutput"><span class="special">|</span></code> for alternatives
          just as in EBNF.
        </p></td></tr>
</table></div>
<p>
        Alternatives allow for choices. The expression above reads: try to match
        <code class="computeroutput"><span class="identifier">a</span></code>. If <code class="computeroutput"><span class="identifier">a</span></code>
        succeeds, success, if not try to match <code class="computer