ind the behavior
        a major gotcha. PEG provides a couple of other mechanisms to circumvent this.
        We will see more of these other mechanisms shortly.
      </p>
<h5>
<a name="spirit.abstracts.parsing_expression_grammar.h3"></a>
        <span class="phrase"><a name="spirit.abstracts.parsing_expression_grammar.difference"></a></span><a class="link" href="parsing_expression_grammar.html#spirit.abstracts.parsing_expression_grammar.difference">Difference</a>
      </h5>
<p>
        In some cases, yo