code blocks get unwanted empty lines

tests/data/code_block.html

@@ -1,9 +1,8 @@
-<p>Here's a regular code block:</p>
-<pre><code>&lt;?php
-
-echo 'Hello World!'; 
-
-?&gt;</code></pre>
-<p>Here's one that holds a list:</p>
-<pre><code>- list item
+<p>Here's a code block:</p>
+<pre><code>&lt;?php
+
+$message = 'Hello World!'; 
+echo $message;</code></pre>
+<p>Here's one that holds a list:</p>
+<pre><code>- list item
 - another list item</code></pre>

tests/data/code_block.md

@@ -1,13 +1,12 @@
-Here's a regular code block:
-
-    <?php
-    
-    echo 'Hello World!'; 
-	
-	?>
-
-Here's one that holds a list:
-
-    - list item
-    - another list item
-
+Here's a code block:
+
+    <?php
+    
+    $message = 'Hello World!'; 
+    echo $message;
+
+Here's one that holds a list:
+
+    - list item
+    - another list item
+