Add test case to make sure issue 232 no longer exists

test/data/fenced_code_block.html

@@ -5,3 +5,7 @@ echo $message;</code></pre>
 <pre><code>tilde</code></pre>
 <pre><code class="language-php">echo 'language identifier';</code></pre>
 <pre><code class="language-c#">echo 'language identifier with non words';</code></pre>
+<pre><code class="language-html+php">&lt;?php
+echo "Hello World";
+?&gt;
+&lt;a href="http://auraphp.com" &gt;Aura Project&lt;/a&gt;</code></pre>

test/data/fenced_code_block.md

@@ -16,3 +16,10 @@ echo 'language identifier';
 ```c#
 echo 'language identifier with non words';
 ```
+
+```html+php
+<?php
+echo "Hello World";
+?>
+<a href="http://auraphp.com" >Aura Project</a>
+```