None
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<p>Or they can be quoted without indentation:</p>
<div class="highlight-cpp notranslate"><div class="highlight"><pre><span></span>&gt;&gt; Great idea!
&gt;
&gt; Why didn&#39;t I think of that?
</pre></div>
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</section>
<section id="line-blocks">
<h3><a class="toc-backref" href="#id39"><span class="section-number">3.4.2. </span>Line Blocks</a><a class="headerlink" href="#line-blocks" title="Permalink to this headline">¶</a></h3>
<div class="line-block">
<div class="line">This i