From 85684412214b5c4c159e59c60da540d185518666 Mon Sep 17 00:00:00 2001
From: Jeremy Ashkenas <jashkenas@gmail.com>
Date: Mon, 27 Sep 2010 22:17:46 -0400
Subject: [PATCH] merging in satyr's fix for #653

---
 lib/nodes.js     | 4 ++--
 src/nodes.coffee | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/nodes.js b/lib/nodes.js
index 48cd3a1d..00c438dc 100644
--- a/lib/nodes.js
+++ b/lib/nodes.js
@@ -57,7 +57,7 @@
       var compiled, pair, reference;
       options || (options = {});
       pair = (function() {
-        if (!(this.isComplex())) {
+        if (!this.isComplex()) {
           return [this, this];
         } else if (this instanceof ValueNode && options.assignment) {
           return this.cacheIndexes(o);
@@ -697,7 +697,7 @@
       vars = this.compileVariables(merge(o, {
         indent: idt
       }));
-      if (this.fromNum && this.toNum && (Math.abs(+this.fromNum - +this.toNum) <= 20)) {
+      if (this.fromNum && this.toNum && (Math.abs(this.fromNum - this.toNum) <= 20)) {
         range = (function() {
           _result = []; _ref2 = +this.fromNum; _ref3 = +this.toNum;
           for (var _i = _ref2; _ref2 <= _ref3 ? _i <= _ref3 : _i >= _ref3; _ref2 <= _ref3 ? _i += 1 : _i -= 1){ _result.push(_i); }
diff --git a/src/nodes.coffee b/src/nodes.coffee
index 4e6581e1..d4a51965 100644
--- a/src/nodes.coffee
+++ b/src/nodes.coffee
@@ -8,6 +8,7 @@
 # Import the helpers we plan to use.
 {compact, flatten, merge, del, include, indexOf, starts, ends} = require './helpers'
 
+# Constant functions for nodes that don't need customization.
 YES = -> yes
 NO  = -> no
 
@@ -62,7 +63,7 @@ exports.BaseNode = class BaseNode
   # by assigning it to a temporary variable.
   compileReference: (o, options) ->
     options or= {}
-    pair = unless @isComplex()
+    pair = if not @isComplex()
       [this, this]
     else if this instanceof ValueNode and options.assignment
       this.cacheIndexes(o)