Enabled link anchoring.
<div class="mdl-mini-footer__left-section">
<span>See the <a href="https://github.com/google/xi-editor">GitHub project.</a></span>
</div>
+ <script type="text/javascript">
+ (function () {
+ 'use strict';
+
+ anchors.options.placement = 'left';
+ anchors.add('.post-content > h1, .post-content > h2, .post-content > h3, .post-content > h4, .post-content > h5, .post-content > h6');
+ })();
+ </script>
</footer>
