Add md-footnote

crates/lib/md-footnote/tests/fixtures/_7.md

@@ -0,0 +1,24 @@
+Indents for the first line
+.............
+
+[^xxxxx] [^yyyyy]
+
+[^xxxxx]:       foo
+
+[^yyyyy]:        foo
+
+.............
+
+<p><sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup></p>
+<hr class="footnotes-sep">
+<section class="footnotes">
+<ol class="footnotes-list">
+<li id="fn1" class="footnote-item">
+<p>foo <a href="#fnref1" class="footnote-backref">↩︎</a></p>
+</li>
+<li id="fn2" class="footnote-item">
+<pre><code>foo
+</code></pre>
+ <a href="#fnref2" class="footnote-backref">↩︎</a></li>
+</ol>
+</section>