lock.
```</code></pre>
<pre><code>This is a code block.</code></pre>
<p>As well as delimited code blocks with syntax highlighting:</p>
<pre><code>```ruby
def greet; &quot;Hello, world!&quot;; end
```</code></pre>
<div class="sourceCode" id="cb10"><pre class="sourceCode ruby"><code class="sourceCode ruby"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a><span class="cf">def</span> greet; <span class="st">&quot;Hello, world!&quot;</span>; <span class="cf">end</span></span></code></pre>