Update Markdown formatter to support footnotes and hard wraps natively

tests/_data/formatter/html2markdown.target.md

@@ -1,7 +1,7 @@
 This is a Markdown document. These lines belong in the same paragraph. Markdown usually ignores single line breaks.
 
 This is a [link](foobar.html "title").  
- This is an ![alt](foobar.jpg "image").
+This is an ![alt](foobar.jpg "image").
 
 - This is a list.
 - It has two items.

tests/_data/formatter/markdown2html.target2.html

@@ -2,16 +2,16 @@
 These lines belong in the same paragraph.<br />
 Markdown usually ignores single line breaks.</p>
 
-<pre><code>This is an indented code segment.  
+<pre><code>This is an indented code segment.
 All Markdown variants will recognize it.
 </code></pre>
 
-<p><code>This is a fenced code segment.  
+<p><code>This is a fenced code segment.
 Only Markdown Extra will recognize it.</code></p>
 
 <p>This is a <a href="foobar.html">link</a>.<br />
 This is an <img src="foobar.jpg" alt="image" />.</p>
 
-<ul><li>This is a list.  </li>
-<li>It has two items.  </li>
+<ul><li>This is a list.</li>
+<li>It has two items.</li>
 </ul>

tests/_data/formatter/markdown2html.target3.html

@@ -2,17 +2,17 @@
 These lines belong in the same paragraph.<br />
 Markdown usually ignores single line breaks.</p>
 
-<pre><code>This is an indented code segment.  
+<pre><code>This is an indented code segment.
 All Markdown variants will recognize it.
 </code></pre>
 
-<pre><code>This is a fenced code segment.  
-Only Markdown Extra will recognize it.  
+<pre><code>This is a fenced code segment.
+Only Markdown Extra will recognize it.
 </code></pre>
 
 <p>This is a <a href="foobar.html">link</a>.<br />
 This is an <img src="foobar.jpg" alt="image" />.</p>
 
-<ul><li>This is a list.  </li>
-<li>It has two items.  </li>
+<ul><li>This is a list.</li>
+<li>It has two items.</li>
 </ul>

tests/_data/formatter/markdown2html.target4.html

@@ -0,0 +1,18 @@
+<p>This is a Markdown document.
+These lines belong in the same paragraph.
+Markdown usually ignores single line breaks.</p>
+
+<pre><code>This is an indented code segment.
+All Markdown variants will recognize it.
+</code></pre>
+
+<pre><code>This is a fenced code segment.
+Only Markdown Extra will recognize it.
+</code></pre>
+
+<p>This is a <a href="foobar.html">link</a>.
+This is an <img src="foobar.jpg" alt="image" />.</p>
+
+<ul><li>This is a list.</li>
+<li>It has two items.</li>
+</ul>

tests/_data/formatter/markdownextra.source.md

@@ -0,0 +1,16 @@
+<div markdown="1">
+	This is *true* markdown text.
+</div>
+
+This sentence has a footnote. [^1]
+
+[^1]: Here's the footnote content.
+
+```
+fenced code block
+```
+
+Hello | World
+----- | ------
+Foo   | Bar
+Baz   | Rhymix

tests/_data/formatter/markdownextra.target1.html

@@ -0,0 +1,14 @@
+<div>
+    This is *true* markdown text.
+</div>
+
+<p>This sentence has a footnote. [^1]</p>
+
+<p>[^1]: Here's the footnote content.</p>
+
+<p><code>fenced code block</code></p>
+
+<p>Hello | World
+----- | ------
+Foo   | Bar
+Baz   | Rhymix</p>

tests/_data/formatter/markdownextra.target2.html

@@ -0,0 +1,24 @@
+<div>
+
+<pre><code>This is *true* markdown text.
+</code></pre>
+
+</div>
+
+<p>This sentence has a footnote. <sup id="user_content_fnref:user_content_1"><a href="#fn:user_content_1" class="footnote-ref">1</a></sup></p>
+
+<pre><code>fenced code block
+</code></pre>
+
+<table><thead><tr><th>Hello</th>
+  <th>World</th>
+</tr></thead><tbody><tr><td>Foo</td>
+  <td>Bar</td>
+</tr><tr><td>Baz</td>
+  <td>Rhymix</td>
+</tr></tbody></table><div>
+<hr /><ol><li id="user_content_fn:user_content_1">
+<p>Here's the footnote content. <a href="#fnref:user_content_1" class="footnote-backref">↩︎</a></p>
+</li>
+
+</ol></div>