From 638b3d4ee1bd09f67623b41aa590b255bca7ddf2 Mon Sep 17 00:00:00 2001
From: Dave Abrahams <dave@boostpro.com>
Date: Sun, 1 Jun 2003 14:48:53 +0000
Subject: [PATCH] added a small comment

[SVN r18636]
---
 include/boost/python/object/make_ptr_instance.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/python/object/make_ptr_instance.hpp b/include/boost/python/object/make_ptr_instance.hpp
index 9bc9e86b..169106f4 100644
--- a/include/boost/python/object/make_ptr_instance.hpp
+++ b/include/boost/python/object/make_ptr_instance.hpp
@@ -35,7 +35,7 @@ struct make_ptr_instance
     static inline PyTypeObject* get_class_object_impl(U const volatile* p)
     {
 		if (p == 0)
-			return 0;
+			return 0; // means "return None".
 
         PyTypeObject* derived = get_derived_class_object(
             BOOST_DEDUCED_TYPENAME is_polymorphic<U>::type(), p);