So siehts ganz gut aus !

node_modules/pug/examples/layout-debug.js

@@ -0,0 +1,11 @@
+
+/**
+ * Module dependencies.
+ */
+
+var pug = require('../');
+
+pug.renderFile(__dirname + '/layout.pug', { debug: true }, function(err, html){
+    if (err) throw err;
+    console.log(html);
+});