*** persistence.rb	2011-11-25 08:39:25.097400923 +0100
--- oddb.org/src/util/persistence.rb	2011-11-25 08:37:05.402417116 +0100
***************
*** 8,14 ****
  # Hash#key has been newly defined since Ruby 1.9 (Ruby 1.8.8)
  # Hash#index has been obsolete since Ruby 1.9
  class Hash
!   alias :key :index
  end
  
  module ODBA
--- 8,14 ----
  # Hash#key has been newly defined since Ruby 1.9 (Ruby 1.8.8)
  # Hash#index has been obsolete since Ruby 1.9
  class Hash
!   alias :index :key 
  end
  
  module ODBA