Upgrade to [email protected]

Author: probablycorey

package.json

@@ -113,7 +113,7 @@
     "language-gfm": "0.35.0",
     "language-git": "0.9.0",
     "language-go": "0.11.0",
-    "language-html": "0.20.0",
+    "language-html": "0.21.0",
     "language-hyperlink": "0.9.0",
     "language-java": "0.10.0",
     "language-javascript": "0.25.0",