[ci skip] Make merge method nodoc

activerecord/lib/active_record/relation/merger.rb

@@ -13,14 +13,7 @@ def initialize(relation, hash)
         @hash     = hash
       end
 
-      # It allows to do a join, and filter by a scope on the joined model:
-      # class Account < ActiveRecord::Base
-      #   # Returns all the accounts that have unread messages.
-      #   def self.with_unread_messages
-      #     joins(:messages).merge( Message.unread )
-      #   end
-      # end
-      def merge
+      def merge #:nodoc:
         Merger.new(relation, other).merge
       end