60;&#160; <span class="pre">(words</span>
<span class="pre">should</span>&#160;&#160;&#160; <span class="pre">be</span> <span class="pre">grouped</span>&#160;&#160;&#160; <span class="pre">in</span> <span class="pre">pairs).</span></code></p>
<p>If the <code class="docutils literal notranslate"><span class="pre">--pep-references</span></code> option was supplied, there should be a live link to PEP 258 here.</p>
</section>
<section id="math">
<h2><a class="toc-backref" href="#id35"><span class="section-numbe