transliterator.rb in i18n-0.6.4

- old
+ new

@@ -1,8 +1,6 @@
 # encoding: utf-8
-require 'i18n/core_ext/string/encoding'
-
 module I18n
   module Backend
     module Transliterator
       DEFAULT_REPLACEMENT_CHAR = "?"
 
@@ -89,14 +87,12 @@
           @approximations ||= {}
         end
 
         # Add transliteration rules to the approximations hash.
         def add(hash)
-          hash.keys.each do |key|
-            utf8_key = key.to_s.dup.force_encoding('UTF-8')
-            hash[utf8_key] = hash.delete(key).to_s
+          hash.each do |key, value|
+            approximations[key.to_s] = value.to_s
           end
-          approximations.merge! hash
         end
       end
     end
   end
 end
\ No newline at end of file