diff --git a/package.json b/package.json
index d02ab36..52f646e 100644
--- a/package.json
+++ b/package.json
@@ -124,6 +124,8 @@
     "file-loader": "^0.9.0",
     "imports-loader": "^0.6.5",
     "json-loader": "^0.5.4",
+    "less": "^2.7.1",
+    "less-loader": "^2.2.3",
     "style-loader": "^0.13.1",
     "url-loader": "^0.5.7",
     "webpack": "^1.13.2"
diff --git a/public/js/extra.js b/public/js/extra.js
index d4a6c5c..4ec7e80 100644
--- a/public/js/extra.js
+++ b/public/js/extra.js
@@ -442,6 +442,7 @@ function postProcess(code) {
 	}
     return result;
 }
+window.postProcess = postProcess;
 
 function generateCleanHTML(view) {
     var src = view.clone();
@@ -811,6 +812,7 @@ var md = markdownit('default', {
     typographer: true,
     highlight: highlightRender
 });
+window.md = md;
 
 md.use(require('markdown-it-abbr'));
 md.use(require('markdown-it-footnote'));
diff --git a/public/js/render.js b/public/js/render.js
index 41b367a..7777879 100644
--- a/public/js/render.js
+++ b/public/js/render.js
@@ -51,6 +51,7 @@ var filterXSSOptions = {
 function preventXSS(html) {
     return filterXSS(html, filterXSSOptions);
 }
+window.preventXSS = preventXSS;
 
 module.exports = {
   preventXSS: preventXSS