an> <span class="o">+</span> <span class="s2">&quot;\n\n&quot;</span> <span class="o">:</span> <span class="nx">chunk</span>
<span class="p">})</span>

<span class="c1">// vs. with through2:</span>
<span class="kd">var</span> <span class="nx">spaceout</span> <span class="o">=</span> <span class="nx">through2</span><span class="p">(</span><span class="kd">function</span> <span class="p">(</span><span class="nx">chunk</span><span class="p">,</span> <span class="nx">encoding</span><span class="p">,</span> <spa