From 9e834528d38a89eb4075b09b35fb7b6e7636740d Mon Sep 17 00:00:00 2001
From: Teddy <ted.sybil@gmail.com>
Date: Sun, 4 Aug 2013 09:40:43 +0800
Subject: added more docs

---
 eval.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'eval.cpp')

diff --git a/eval.cpp b/eval.cpp
index 279f8c4..07ea00e 100644
--- a/eval.cpp
+++ b/eval.cpp
@@ -26,7 +26,7 @@ void Evaluator::add_builtin_routines() {
 }
 
 Evaluator::Evaluator() {
-    envt = new Environment();       // Top-level Environment
+    envt = new Environment(NULL);       // Top-level Environment
     add_builtin_routines();
 }
 
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