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

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

@@ -0,0 +1,14 @@
+var utils = require('../utils');
+
+/**
+ * Pop a value from `expr`.
+ *
+ * @param {Expression} expr
+ * @return {Node}
+ * @api public
+ */
+
+(module.exports = function pop(expr) {
+  expr = utils.unwrap(expr);
+  return expr.nodes.pop();
+}).raw = true;