complete redesign: use nodejs on server instead of php - documentation to be updated

nodejs/node_modules/stylus/lib/functions/clone.js

@@ -0,0 +1,14 @@
+var utils = require('../utils');
+
+/**
+ * Return a clone of the given `expr`.
+ *
+ * @param {Expression} expr
+ * @return {Node}
+ * @api public
+ */
+
+(module.exports = function clone(expr){
+  utils.assertPresent(expr, 'expr');
+  return expr.clone();
+}).raw = true;