From 05301e586ea00bec3c6f4b025c3cc00ec169e892 Mon Sep 17 00:00:00 2001
From: Ben Atkins <benatkins@fullbridge.com>
Date: Wed, 23 Jan 2013 15:56:10 -0500
Subject: [PATCH] Refactoring the serializers to be modules instead of classes,
 since they never get instantiated.

---
 README.md                           | 2 +-
 lib/paper_trail/serializers/json.rb | 2 +-
 lib/paper_trail/serializers/yaml.rb | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 362e06a3..ed277084 100644
--- a/README.md
+++ b/README.md
@@ -749,7 +749,7 @@ By default, PaperTrail stores your changes as a YAML dump. You can override this
 >> PaperTrail.config.serializer = MyCustomSerializer
 ```
 
-The serializer needs to be a class that has a `load` and `dump` class method.  These serializers are included in the gem for your convenience:
+A valid serializer is a `module` (or `class`) that defines a `load` and `dump` method.  These serializers are included in the gem for your convenience:
 
 * [Yaml](https://github.com/airblade/paper_trail/blob/master/lib/paper_trail/serializers/yaml.rb) - Default
 * [Json](https://github.com/airblade/paper_trail/blob/master/lib/paper_trail/serializers/json.rb)
diff --git a/lib/paper_trail/serializers/json.rb b/lib/paper_trail/serializers/json.rb
index 6b5de8e9..5fee0a59 100644
--- a/lib/paper_trail/serializers/json.rb
+++ b/lib/paper_trail/serializers/json.rb
@@ -2,7 +2,7 @@ require 'active_support/json'
 
 module PaperTrail
   module Serializers
-    class Json
+    module Json
       def self.load(string)
         ActiveSupport::JSON.decode string
       end
diff --git a/lib/paper_trail/serializers/yaml.rb b/lib/paper_trail/serializers/yaml.rb
index 24de8438..139b1a0a 100644
--- a/lib/paper_trail/serializers/yaml.rb
+++ b/lib/paper_trail/serializers/yaml.rb
@@ -2,7 +2,7 @@ require 'yaml'
 
 module PaperTrail
   module Serializers
-    class Yaml
+    module Yaml
       def self.load(string)
         YAML.load string
       end