render code with and without language with the trailing newline

src/Renderer.js

@@ -25,7 +25,7 @@ module.exports = class Renderer {
     if (!lang) {
       return '<pre><code>'
         + (escaped ? code : escape(code, true))
-        + '</code></pre>';
+        + '</code></pre>\n';
     }
 
     return '<pre><code class="'

test/specs/new/code_compensation_indent.html

@@ -2,5 +2,6 @@
 <ol>
 <li><p>This is a list element.</p>
 <pre><code>const x = 5;
-const y = x + 5;</code></pre></li>
+const y = x + 5;</code></pre>
+</li>
 </ol>

test/specs/new/code_consistent_newline.html

@@ -0,0 +1,3 @@
+<pre><code class="language-js">const value = 42;</code></pre>
+<pre><code>const value = 42;</code></pre>
+<p>Code blocks contain trailing new line.</p>

test/specs/new/code_consistent_newline.md

@@ -0,0 +1,10 @@
+---
+renderExact: true
+---
+```js
+const value = 42;
+```
+
+    const value = 42;
+
+Code blocks contain trailing new line.