Add support for #comment > html

Author: wooorm

handlers/comment.js

@@ -0,0 +1,7 @@
+'use strict';
+
+module.exports = comment;
+
+function comment(h, node) {
+  return h(node, 'html', '<!--' + node.value + '-->');
+}

handlers/index.js

@@ -1,8 +1,8 @@
 'use strict';
 
 exports.root = require('./root');
-
 exports.text = require('./text');
+exports.comment = require('./comment');
 
 exports.strong = exports.b = require('./strong');
 exports.em = exports.i = require('./emphasis');

tests/fixtures/comment/index.html

@@ -0,0 +1,14 @@
+<!-- foo -->
+
+<p>Alpha.</p>
+
+<!-- -->
+
+<p>Bravo.</p>
+
+<!--
+  charlie
+  delta echo
+-->
+
+<p>Foxtrot.</p>

tests/fixtures/comment/index.json

@@ -0,0 +1,3 @@
+{
+  "fragment": true
+}

tests/fixtures/comment/index.md

@@ -0,0 +1,14 @@
+<!-- foo -->
+
+Alpha.
+
+<!-- -->
+
+Bravo.
+
+<!--
+  charlie
+  delta echo
+-->
+
+Foxtrot.