Rename variable to avoid using name "include"

Better syntax highlight :)

activemodel/lib/active_model/serialization.rb

@@ -9,7 +9,6 @@ module ActiveModel
   # A minimal implementation could be:
   #
   #   class Person
-  #
   #     include ActiveModel::Serialization
   #
   #     attr_accessor :name
@@ -17,7 +16,6 @@ module ActiveModel
   #     def attributes
   #       {'name' => nil}
   #     end
-  #
   #   end
   #
   # Which would provide you with:
@@ -41,7 +39,6 @@ module ActiveModel
   # So a minimal implementation including XML and JSON would be:
   #
   #   class Person
-  #
   #     include ActiveModel::Serializers::JSON
   #     include ActiveModel::Serializers::Xml
   #
@@ -50,7 +47,6 @@ module ActiveModel
   #     def attributes
   #       {'name' => nil}
   #     end
-  #
   #   end
   #
   # Which would provide you with:
@@ -124,13 +120,13 @@ module ActiveModel
       #   +records+     - the association record(s) to be serialized
       #   +opts+        - options for the association records
       def serializable_add_includes(options = {}) #:nodoc:
-        return unless include = options[:include]
+        return unless includes = options[:include]
 
-        unless include.is_a?(Hash)
-          include = Hash[Array(include).map { |n| n.is_a?(Hash) ? n.to_a.first : [n, {}] }]
+        unless includes.is_a?(Hash)
+          includes = Hash[Array(includes).map { |n| n.is_a?(Hash) ? n.to_a.first : [n, {}] }]
         end
 
-        include.each do |association, opts|
+        includes.each do |association, opts|
           if records = send(association)
             yield association, records, opts
           end