1<pre><code>code block on the first line
 2</code></pre>
 3
 4<p>Regular text.</p>
 5
 6<pre><code>code block indented by spaces
 7</code></pre>
 8
 9<p>Regular text.</p>
10
11<pre><code>the lines in this block  
12all contain trailing spaces  
13</code></pre>
14
15<p>Regular Text.</p>
16
17<pre><code>code block on the last line
18</code></pre>