http://en.wikipedia.org/wiki/Yacc">Yacc</a>).
Please be aware that this is not an easy thing to do.
For now, this is outside the scope of this tutorial.
</p>
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<table class="download"><tr><td>
<a class="button" href="code13/src.zip">&#x2B73; &nbsp; Download source code</a>
<a class="button" href="https://repl.it/github/helderman/htpataic">&#x1F300; &nbsp; Run on Repl.it</a>
</td></tr></table>
<p>
Next chapter: <a href="htpataic14.html">14. Multiple nouns</a>
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