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<div id="ftn.spirit.abstracts.parsing_expression_grammar.f0" class="footnote"><p><a href="#spirit.abstracts.parsing_expression_grammar.f0" class="para"><sup class="para">[6] </sup></a>
          Bryan Ford: Parsing Expression Grammars: A Recognition-Based Syntactic
          Foundation, <a href="http://pdos.csail.mit.edu/~baford/packrat/popl04/" target="_top">http://pdos.csail.mit.edu/~baford/packrat/popl04/</a>
        </p></div>
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