Merge branch 'master' of git://github.com/lifo/docrails

* 'master' of git://github.com/lifo/docrails: (259 commits)
  Fix a small typo
  ensure authors get warnings about broken links, and ensure end users don't
  in guides generator, warn about duplicate header IDs only if WARN_DUPLICATE_HEADERS
  replace edit distance implementation with one written from scratch to avoid license issues
  removes a wrong comment in the finders guide
  updates fxn picture
  thanks but release notes are mostly frozen once they are published, and provide only an overview of the new stuff
  Added extra notes to nested model forms explanation in 2.3 release notes to cover has_one relationships
  clarifies a bit more what's the issue with check boxes and arrays of parameters
  be even more ambiguous about the order of generation of hidden input for check boxes in form helper guide
  this page referred to an :href_options keyword hash, in fact the correct keyword (the one the code responds to) is :html
  update explanation of check box generation according to f400209
  Hidden field with check box goes first.
  update rack fixture to be ruby 1.9 compat
  Better error message to try to figure out why the CI build is failing
  ruby 1.9 compat: Pathname doesn't support =~
  update rack fixture to be ruby 1.9 compat
  update metal fixtures to be ruby 1.9 compat
  Fix brittle Time.now mock
  Ensure our bundled version of rack is at the front of the load path
  ...

32 files changed, 473 insertions, 157 deletions

diff --git a/activesupport/lib/active_support/core_ext/array/conversions.rb b/activesupport/lib/active_support/core_ext/array/conversions.rb
index a9b50ca92d..ba8e022fb2 100644
--- a/activesupport/lib/active_support/core_ext/array/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/array/conversions.rb
@@ -7,10 +7,9 @@ module ActiveSupport #:nodoc:
         # * <tt>:two_words_connector</tt> - The sign or word used to join the elements in arrays with two elements (default: " and ")
         # * <tt>:last_word_connector</tt> - The sign or word used to join the last element in arrays with three or more elements (default: ", and ")
         def to_sentence(options = {})
-   
-          default_words_connector = I18n.translate(:'support.array.words_connector', :locale => options[:locale])
+          default_words_connector     = I18n.translate(:'support.array.words_connector',     :locale => options[:locale])
           default_two_words_connector = I18n.translate(:'support.array.two_words_connector', :locale => options[:locale])
-          default_last_word_connector = I18n.translate(:'support.array.last_word_connector', :locale => options[:locale])          
+          default_last_word_connector = I18n.translate(:'support.array.last_word_connector', :locale => options[:locale])
 
           # Try to emulate to_senteces previous to 2.3
           if options.has_key?(:connector) || options.has_key?(:skip_last_comma)
diff --git a/activesupport/lib/active_support/core_ext/hash/conversions.rb b/activesupport/lib/active_support/core_ext/hash/conversions.rb
index 991a5a6a89..10435975c5 100644
--- a/activesupport/lib/active_support/core_ext/hash/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/hash/conversions.rb
@@ -24,11 +24,12 @@ module ActiveSupport #:nodoc:
           "Bignum"     => "integer",
           "BigDecimal" => "decimal",
           "Float"      => "float",
+          "TrueClass"  => "boolean",
+          "FalseClass" => "boolean",
           "Date"       => "date",
           "DateTime"   => "datetime",
           "Time"       => "datetime",
-          "TrueClass"  => "boolean",
-          "FalseClass" => "boolean"
+          "ActiveSupport::TimeWithZone" => "datetime"
         } unless defined?(XML_TYPE_NAMES)
 
         XML_FORMATTING = {
diff --git a/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb b/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb
index c96c5160b3..34ba8a005d 100644
--- a/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb
+++ b/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb
@@ -91,6 +91,12 @@ class HashWithIndifferentAccess < Hash
     self.dup.update(hash)
   end
 
+  # Performs the opposite of merge, with the keys and values from the first hash taking precedence over the second.
+  # This overloaded definition prevents returning a regular hash, if reverse_merge is called on a HashWithDifferentAccess.
+  def reverse_merge(other_hash)
+    super other_hash.with_indifferent_access
+  end
+
   # Removes a specified key from the hash.
   def delete(key)
     super(convert_key(key))
diff --git a/activesupport/lib/active_support/core_ext/string/inflections.rb b/activesupport/lib/active_support/core_ext/string/inflections.rb
index 15ad3d99cc..48e812aaf8 100644
--- a/activesupport/lib/active_support/core_ext/string/inflections.rb
+++ b/activesupport/lib/active_support/core_ext/string/inflections.rb
@@ -102,8 +102,8 @@ module ActiveSupport #:nodoc:
         # 
         #   <%= link_to(@person.name, person_path %>
         #   # => <a href="/person/1-donald-e-knuth">Donald E. Knuth</a>
-        def parameterize
-          Inflector.parameterize(self)
+        def parameterize(sep = '-')
+          Inflector.parameterize(self, sep)
         end
 
         # Creates the name of a table like Rails does for models to table names. This method
diff --git a/activesupport/lib/active_support/duration.rb b/activesupport/lib/active_support/duration.rb
index c41e86dfd1..f64661c5b1 100644
--- a/activesupport/lib/active_support/duration.rb
+++ b/activesupport/lib/active_support/duration.rb
@@ -70,7 +70,7 @@ module ActiveSupport
       [:years, :months, :days, :minutes, :seconds].map do |length|
         n = consolidated[length]
         "#{n} #{n == 1 ? length.to_s.singularize : length.to_s}" if n.nonzero?
-      end.compact.to_sentence
+      end.compact.to_sentence(:locale => :en)
     end
 
     protected
diff --git a/activesupport/lib/active_support/inflector.rb b/activesupport/lib/active_support/inflector.rb
index 5ff6f50fb3..3ed30bdf56 100644
--- a/activesupport/lib/active_support/inflector.rb
+++ b/activesupport/lib/active_support/inflector.rb
@@ -257,15 +257,17 @@ module ActiveSupport
     #   <%= link_to(@person.name, person_path(@person)) %>
     #   # => <a href="/person/1-donald-e-knuth">Donald E. Knuth</a>
     def parameterize(string, sep = '-')
-      re_sep = Regexp.escape(sep)
       # replace accented chars with ther ascii equivalents
       parameterized_string = transliterate(string)
       # Turn unwanted chars into the seperator
       parameterized_string.gsub!(/[^a-z0-9\-_\+]+/i, sep)
-      # No more than one of the separator in a row.
-      parameterized_string.squeeze!(sep)
-      # Remove leading/trailing separator.
-      parameterized_string.gsub!(/^#{re_sep}|#{re_sep}$/i, '')
+      unless sep.blank?
+        re_sep = Regexp.escape(sep)
+        # No more than one of the separator in a row.
+        parameterized_string.gsub!(/#{re_sep}{2,}/, sep)
+        # Remove leading/trailing separator.
+        parameterized_string.gsub!(/^#{re_sep}|#{re_sep}$/i, '')
+      end
       parameterized_string.downcase
     end
 
diff --git a/activesupport/lib/active_support/json/decoding.rb b/activesupport/lib/active_support/json/decoding.rb
index 5eb8c0fd7d..0e079341ff 100644
--- a/activesupport/lib/active_support/json/decoding.rb
+++ b/activesupport/lib/active_support/json/decoding.rb
@@ -43,14 +43,32 @@ module ActiveSupport
           end
 
           if marks.empty?
-            json.gsub(/\\\//, '/')
+            json.gsub(/\\([\\\/]|u[[:xdigit:]]{4})/) do
+              ustr = $1
+              if ustr.starts_with?('u')
+                [ustr[1..-1].to_i(16)].pack("U")
+              elsif ustr == '\\'
+                '\\\\'
+              else
+                ustr
+              end
+            end
           else
             left_pos  = [-1].push(*marks)
             right_pos = marks << scanner.pos + scanner.rest_size
             output    = []
             left_pos.each_with_index do |left, i|
               scanner.pos = left.succ
-              output << scanner.peek(right_pos[i] - scanner.pos + 1)
+              output << scanner.peek(right_pos[i] - scanner.pos + 1).gsub(/\\([\\\/]|u[[:xdigit:]]{4})/) do
+                ustr = $1
+                if ustr.starts_with?('u')
+                  [ustr[1..-1].to_i(16)].pack("U")
+                elsif ustr == '\\'
+                '\\\\'
+                else
+                  ustr
+                end
+              end
             end
             output = output * " "
             
diff --git a/activesupport/lib/active_support/memoizable.rb b/activesupport/lib/active_support/memoizable.rb
index 952b4d8063..71cfe61739 100644
--- a/activesupport/lib/active_support/memoizable.rb
+++ b/activesupport/lib/active_support/memoizable.rb
@@ -89,6 +89,10 @@ module ActiveSupport
               end                                                                  #     end
             end                                                                    #   end
           end                                                                      # end
+                                                                                   #
+          if private_method_defined?(#{original_method.inspect})                   # if private_method_defined?(:_unmemoized_mime_type)
+            private #{symbol.inspect}                                              #   private :mime_type
+          end                                                                      # end
         EOS
       end
     end
diff --git a/activesupport/lib/active_support/multibyte/chars.rb b/activesupport/lib/active_support/multibyte/chars.rb
index 62b6d798ef..60f082bcc1 100644
--- a/activesupport/lib/active_support/multibyte/chars.rb
+++ b/activesupport/lib/active_support/multibyte/chars.rb
@@ -344,7 +344,19 @@ module ActiveSupport #:nodoc:
       end
       alias_method :[], :slice
 
-      # Converts first character in the string to Unicode value
+      # Like <tt>String#slice!</tt>, except instead of byte offsets you specify character offsets.
+      #
+      # Example:
+      #   s = 'こんにちは'
+      #   s.mb_chars.slice!(2..3).to_s #=> "にち"
+      #   s #=> "こんは"
+      def slice!(*args)
+        slice = self[*args]
+        self[*args] = ''
+        slice
+      end
+
+      # Returns the codepoint of the first character in the string.
       #
       # Example:
       #   'こんにちは'.mb_chars.ord #=> 12371
@@ -432,7 +444,7 @@ module ActiveSupport #:nodoc:
         chars(self.class.tidy_bytes(@wrapped_string))
       end
 
-      %w(lstrip rstrip strip reverse upcase downcase slice tidy_bytes capitalize).each do |method|
+      %w(lstrip rstrip strip reverse upcase downcase tidy_bytes capitalize).each do |method|
         define_method("#{method}!") do |*args|
           unless args.nil?
             @wrapped_string = send(method, *args).to_s
diff --git a/activesupport/lib/active_support/ordered_hash.rb b/activesupport/lib/active_support/ordered_hash.rb
index 66aab9e562..fed8094a24 100644
--- a/activesupport/lib/active_support/ordered_hash.rb
+++ b/activesupport/lib/active_support/ordered_hash.rb
@@ -54,7 +54,7 @@ module ActiveSupport
       end
 
       def to_hash
-        Hash.new(self)
+        self
       end
 
       def each_key
@@ -93,7 +93,7 @@ module ActiveSupport
       end
 
       def inspect
-        "#<OrderedHash #{self.to_hash.inspect}>"
+        "#<OrderedHash #{super}>"
       end
 
     private
diff --git a/activesupport/lib/active_support/test_case.rb b/activesupport/lib/active_support/test_case.rb
index 97b2b6ef9c..f05d4098fc 100644
--- a/activesupport/lib/active_support/test_case.rb
+++ b/activesupport/lib/active_support/test_case.rb
@@ -20,7 +20,7 @@ module ActiveSupport
       alias_method :method_name, :name
     else
       # TODO: Figure out how to get the Rails::BacktraceFilter into minitest/unit
-      if defined?(Rails)
+      if defined?(Rails) && ENV['BACKTRACE'].nil?
         require 'rails/backtrace_cleaner'
         Test::Unit::Util::BacktraceFilter.module_eval { include Rails::BacktraceFilterForTestUnit }
       end
diff --git a/activesupport/lib/active_support/testing/setup_and_teardown.rb b/activesupport/lib/active_support/testing/setup_and_teardown.rb
index 7edf6fdb32..aaf9f8f42c 100644
--- a/activesupport/lib/active_support/testing/setup_and_teardown.rb
+++ b/activesupport/lib/active_support/testing/setup_and_teardown.rb
@@ -45,7 +45,12 @@ module ActiveSupport
           return if @method_name.to_s == "default_test"
 
           if using_mocha = respond_to?(:mocha_verify)
-            assertion_counter = Mocha::TestCaseAdapter::AssertionCounter.new(result)
+            assertion_counter_klass = if defined?(Mocha::TestCaseAdapter::AssertionCounter)
+                                        Mocha::TestCaseAdapter::AssertionCounter
+                                      else
+                                        Mocha::Integration::TestUnit::AssertionCounter
+                                      end
+            assertion_counter = assertion_counter_klass.new(result)
           end
 
           yield(Test::Unit::TestCase::STARTED, name)
diff --git a/activesupport/lib/active_support/vendor.rb b/activesupport/lib/active_support/vendor.rb
index 39da70a9f3..28852e65c8 100644
--- a/activesupport/lib/active_support/vendor.rb
+++ b/activesupport/lib/active_support/vendor.rb
@@ -22,8 +22,8 @@ end
 
 # TODO I18n gem has not been released yet
 # begin
-#   gem 'i18n', '~> 0.1.1'
+#   gem 'i18n', '~> 0.1.3'
 # rescue Gem::LoadError
-  $:.unshift "#{File.dirname(__FILE__)}/vendor/i18n-0.1.1/lib"
+  $:.unshift "#{File.dirname(__FILE__)}/vendor/i18n-0.1.3/lib"
   require 'i18n'
 # end
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/.gitignore b/activesupport/lib/active_support/vendor/i18n-0.1.1/.gitignore
deleted file mode 100644
index 0f41a39f89..0000000000
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-.DS_Store
-test/rails/fixtures
-doc
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/MIT-LICENSE b/activesupport/lib/active_support/vendor/i18n-0.1.3/MIT-LICENSE
index ed8e9ee66d..ed8e9ee66d 100755
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/MIT-LICENSE
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/MIT-LICENSE
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/README.textile b/activesupport/lib/active_support/vendor/i18n-0.1.3/README.textile
index a07fc8426d..a07fc8426d 100644
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/README.textile
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/README.textile
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/Rakefile b/activesupport/lib/active_support/vendor/i18n-0.1.3/Rakefile
index 2164e13e69..2164e13e69 100644
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/Rakefile
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/Rakefile
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/i18n.gemspec b/activesupport/lib/active_support/vendor/i18n-0.1.3/i18n.gemspec
index 14294606bd..f102689a6f 100644
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/i18n.gemspec
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/i18n.gemspec
@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
   s.name = "i18n"
-  s.version = "0.1.1"
-  s.date = "2008-10-26"
+  s.version = "0.1.3"
+  s.date = "2009-01-09"
   s.summary = "Internationalization support for Ruby"
   s.email = "rails-i18n@googlegroups.com"
   s.homepage = "http://rails-i18n.org"
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/lib/i18n.rb b/activesupport/lib/active_support/vendor/i18n-0.1.3/lib/i18n.rb
index 76361bed90..76361bed90 100755
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/lib/i18n.rb
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/lib/i18n.rb
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/lib/i18n/backend/simple.rb b/activesupport/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb
index b54164d496..c09acd7d2d 100644
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/lib/i18n/backend/simple.rb
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb
@@ -151,12 +151,7 @@ module I18n
         def interpolate(locale, string, values = {})
           return string unless string.is_a?(String)
 
-          if string.respond_to?(:force_encoding)
-            original_encoding = string.encoding
-            string.force_encoding(Encoding::BINARY)
-          end
-
-          result = string.gsub(MATCH) do
+          string.gsub(MATCH) do
             escaped, pattern, key = $1, $2, $2.to_sym
 
             if escaped
@@ -169,9 +164,6 @@ module I18n
               values[key].to_s
             end
           end
-
-          result.force_encoding(original_encoding) if original_encoding
-          result
         end
 
         # Loads a single translations file by delegating to #load_rb or
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/lib/i18n/exceptions.rb b/activesupport/lib/active_support/vendor/i18n-0.1.3/lib/i18n/exceptions.rb
index b5cea7acb4..b5cea7acb4 100644
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/lib/i18n/exceptions.rb
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/lib/i18n/exceptions.rb
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/test/all.rb b/activesupport/lib/active_support/vendor/i18n-0.1.3/test/all.rb
index 353712da49..353712da49 100644
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/test/all.rb
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/test/all.rb
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/test/i18n_exceptions_test.rb b/activesupport/lib/active_support/vendor/i18n-0.1.3/test/i18n_exceptions_test.rb
index dfcba6901f..dfcba6901f 100644
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/test/i18n_exceptions_test.rb
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/test/i18n_exceptions_test.rb
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/test/i18n_test.rb b/activesupport/lib/active_support/vendor/i18n-0.1.3/test/i18n_test.rb
index bbb35ec809..50d6832c9e 100644
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/test/i18n_test.rb
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/test/i18n_test.rb
@@ -116,10 +116,10 @@ class I18nTest < Test::Unit::TestCase
   end
 
   def test_localize_nil_raises_argument_error
-    assert_raises(I18n::ArgumentError) { I18n.l nil }
+    assert_raise(I18n::ArgumentError) { I18n.l nil }
   end
 
   def test_localize_object_raises_argument_error
-    assert_raises(I18n::ArgumentError) { I18n.l Object.new }
+    assert_raise(I18n::ArgumentError) { I18n.l Object.new }
   end
 end
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/test/locale/en.rb b/activesupport/lib/active_support/vendor/i18n-0.1.3/test/locale/en.rb
index 6044ce10d9..6044ce10d9 100644
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/test/locale/en.rb
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/test/locale/en.rb
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/test/locale/en.yml b/activesupport/lib/active_support/vendor/i18n-0.1.3/test/locale/en.yml
index 0b298c9c0e..0b298c9c0e 100644
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/test/locale/en.yml
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/test/locale/en.yml
diff --git a/activesupport/lib/active_support/vendor/i18n-0.1.1/test/simple_backend_test.rb b/activesupport/lib/active_support/vendor/i18n-0.1.3/test/simple_backend_test.rb
index 8ba7036abf..65f3ac11a6 100644
--- a/activesupport/lib/active_support/vendor/i18n-0.1.1/test/simple_backend_test.rb
+++ b/activesupport/lib/active_support/vendor/i18n-0.1.3/test/simple_backend_test.rb
@@ -155,7 +155,7 @@ class I18nSimpleBackendTranslateTest < Test::Unit::TestCase
   end
 
   def test_translate_given_an_array_of_inexistent_keys_it_raises_missing_translation_data
-    assert_raises I18n::MissingTranslationData do
+    assert_raise I18n::MissingTranslationData do
       @backend.translate('en', :does_not_exist, :scope => [:foo], :default => [:does_not_exist_2, :does_not_exist_3])
     end
   end
@@ -180,11 +180,11 @@ class I18nSimpleBackendTranslateTest < Test::Unit::TestCase
   end
 
   def test_translate_given_nil_as_a_locale_raises_an_argument_error
-    assert_raises(I18n::InvalidLocale){ @backend.translate nil, :bar }
+    assert_raise(I18n::InvalidLocale){ @backend.translate nil, :bar }
   end
 
   def test_translate_with_a_bogus_key_and_no_default_raises_missing_translation_data
-    assert_raises(I18n::MissingTranslationData){ @backend.translate 'de', :bogus }
+    assert_raise(I18n::MissingTranslationData){ @backend.translate 'de', :bogus }
   end
 end
 
@@ -230,15 +230,15 @@ class I18nSimpleBackendPluralizeTest < Test::Unit::TestCase
   end
 
   def test_interpolate_given_incomplete_pluralization_data_raises_invalid_pluralization_data
-    assert_raises(I18n::InvalidPluralizationData){ @backend.send(:pluralize, nil, {:one => 'bar'}, 2) }
+    assert_raise(I18n::InvalidPluralizationData){ @backend.send(:pluralize, nil, {:one => 'bar'}, 2) }
   end
 
   # def test_interpolate_given_a_string_raises_invalid_pluralization_data
-  #   assert_raises(I18n::InvalidPluralizationData){ @backend.send(:pluralize, nil, 'bar', 2) }
+  #   assert_raise(I18n::InvalidPluralizationData){ @backend.send(:pluralize, nil, 'bar', 2) }
   # end
   #
   # def test_interpolate_given_an_array_raises_invalid_pluralization_data
-  #   assert_raises(I18n::InvalidPluralizationData){ @backend.send(:pluralize, nil, ['bar'], 2) }
+  #   assert_raise(I18n::InvalidPluralizationData){ @backend.send(:pluralize, nil, ['bar'], 2) }
   # end
 end
 
@@ -253,6 +253,32 @@ class I18nSimpleBackendInterpolateTest < Test::Unit::TestCase
     assert_equal 'Häi David!', @backend.send(:interpolate, nil, 'Häi {{name}}!', :name => 'David')
   end
 
+  def test_interpolate_given_an_unicode_value_hash_interpolates_to_the_string
+    assert_equal 'Hi ゆきひろ!', @backend.send(:interpolate, nil, 'Hi {{name}}!', :name => 'ゆきひろ')
+  end
+
+  def test_interpolate_given_an_unicode_value_hash_interpolates_into_unicode_string
+    assert_equal 'こんにちは、ゆきひろさん!', @backend.send(:interpolate, nil, 'こんにちは、{{name}}さん!', :name => 'ゆきひろ')
+  end
+
+  if Kernel.const_defined?(:Encoding)
+    def test_interpolate_given_a_non_unicode_multibyte_value_hash_interpolates_into_a_string_with_the_same_encoding
+      assert_equal euc_jp('Hi ゆきひろ!'), @backend.send(:interpolate, nil, 'Hi {{name}}!', :name => euc_jp('ゆきひろ'))
+    end
+
+    def test_interpolate_given_an_unicode_value_hash_into_a_non_unicode_multibyte_string_raises_encoding_compatibility_error
+      assert_raise(Encoding::CompatibilityError) do
+        @backend.send(:interpolate, nil, euc_jp('こんにちは、{{name}}さん!'), :name => 'ゆきひろ')
+      end
+    end
+
+    def test_interpolate_given_a_non_unicode_multibyte_value_hash_into_an_unicode_string_raises_encoding_compatibility_error
+      assert_raise(Encoding::CompatibilityError) do
+        @backend.send(:interpolate, nil, 'こんにちは、{{name}}さん!', :name => euc_jp('ゆきひろ'))
+      end
+    end
+  end
+
   def test_interpolate_given_nil_as_a_string_returns_nil
     assert_nil @backend.send(:interpolate, nil, nil, :name => 'David')
   end
@@ -266,11 +292,17 @@ class I18nSimpleBackendInterpolateTest < Test::Unit::TestCase
   end
 
   def test_interpolate_given_an_empty_values_hash_raises_missing_interpolation_argument
-    assert_raises(I18n::MissingInterpolationArgument) { @backend.send(:interpolate, nil, 'Hi {{name}}!', {}) }
+    assert_raise(I18n::MissingInterpolationArgument) { @backend.send(:interpolate, nil, 'Hi {{name}}!', {}) }
   end
 
   def test_interpolate_given_a_string_containing_a_reserved_key_raises_reserved_interpolation_key
-    assert_raises(I18n::ReservedInterpolationKey) { @backend.send(:interpolate, nil, '{{default}}', {:default => nil}) }
+    assert_raise(I18n::ReservedInterpolationKey) { @backend.send(:interpolate, nil, '{{default}}', {:default => nil}) }
+  end
+  
+  private
+  
+  def euc_jp(string)
+    string.encode!(Encoding::EUC_JP)
   end
 end
 
@@ -320,11 +352,11 @@ class I18nSimpleBackendLocalizeDateTest < Test::Unit::TestCase
   end
 
   def test_localize_nil_raises_argument_error
-    assert_raises(I18n::ArgumentError) { @backend.localize 'de', nil }
+    assert_raise(I18n::ArgumentError) { @backend.localize 'de', nil }
   end
 
   def test_localize_object_raises_argument_error
-    assert_raises(I18n::ArgumentError) { @backend.localize 'de', Object.new }
+    assert_raise(I18n::ArgumentError) { @backend.localize 'de', Object.new }
   end
 end
 
@@ -454,7 +486,7 @@ class I18nSimpleBackendLoadTranslationsTest < Test::Unit::TestCase
   include I18nSimpleBackendTestSetup
 
   def test_load_translations_with_unknown_file_type_raises_exception
-    assert_raises(I18n::UnknownFileType) { @backend.load_translations "#{@locale_dir}/en.xml" }
+    assert_raise(I18n::UnknownFileType) { @backend.load_translations "#{@locale_dir}/en.xml" }
   end
 
   def test_load_translations_with_ruby_file_type_does_not_raise_exception
@@ -485,6 +517,10 @@ end
 class I18nSimpleBackendLoadPathTest < Test::Unit::TestCase
   include I18nSimpleBackendTestSetup
 
+  def teardown
+    I18n.load_path = []
+  end
+
   def test_nested_load_paths_do_not_break_locale_loading
     @backend = I18n::Backend::Simple.new
     I18n.load_path = [[File.dirname(__FILE__) + '/locale/en.yml']]
@@ -492,6 +528,14 @@ class I18nSimpleBackendLoadPathTest < Test::Unit::TestCase
     assert_nothing_raised { @backend.send :init_translations }
     assert_not_nil backend_get_translations
   end
+
+  def test_adding_arrays_of_filenames_to_load_path_do_not_break_locale_loading
+    @backend = I18n::Backend::Simple.new
+    I18n.load_path << Dir[File.dirname(__FILE__) + '/locale/*.{rb,yml}']
+    assert_nil backend_get_translations
+    assert_nothing_raised { @backend.send :init_translations }
+    assert_not_nil backend_get_translations
+  end
 end
 
 class I18nSimpleBackendReloadTranslationsTest < Test::Unit::TestCase
@@ -521,4 +565,4 @@ class I18nSimpleBackendReloadTranslationsTest < Test::Unit::TestCase
     @backend.reload!
     assert_equal @backend.initialized?, false
   end
-end
\ No newline at end of file
+end
diff --git a/activesupport/lib/active_support/version.rb b/activesupport/lib/active_support/version.rb
index 3e2b29b327..30f598a8de 100644
--- a/activesupport/lib/active_support/version.rb
+++ b/activesupport/lib/active_support/version.rb
@@ -2,7 +2,7 @@ module ActiveSupport
   module VERSION #:nodoc:
     MAJOR = 2
     MINOR = 3
-    TINY  = 0
+    TINY  = 2
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end
diff --git a/activesupport/lib/active_support/xml_mini.rb b/activesupport/lib/active_support/xml_mini.rb
index ce3f50620d..ccd1349491 100644
--- a/activesupport/lib/active_support/xml_mini.rb
+++ b/activesupport/lib/active_support/xml_mini.rb
@@ -1,113 +1,31 @@
-# = XmlMini
-# This is a derivitive work of XmlSimple 1.0.11
-# Author::    Joseph Holsten <joseph@josephholsten.com>
-# Copyright:: Copyright (c) 2008 Joseph Holsten
-# Copyright:: Copyright (c) 2003-2006 Maik Schmidt <contact@maik-schmidt.de>
-# License::   Distributes under the same terms as Ruby.
 module ActiveSupport
+  # = XmlMini
+  #
+  # To use the much faster libxml parser:
+  #   gem 'libxml-ruby', '=0.9.7'
+  #   XmlMini.backend = 'LibXML'
   module XmlMini
     extend self
 
-    CONTENT_KEY = '__content__'.freeze
+    attr_reader :backend
+    delegate :parse, :to => :backend
 
-    # Parse an XML Document string into a simple hash
-    #
-    # Same as XmlSimple::xml_in but doesn't shoot itself in the foot,
-    # and uses the defaults from ActiveSupport
-    #
-    # string::
-    #   XML Document string to parse
-    def parse(string)
-      require 'rexml/document' unless defined?(REXML::Document)
-      doc = REXML::Document.new(string)
-      merge_element!({}, doc.root)
-    end
-
-    private
-      # Convert an XML element and merge into the hash
-      #
-      # hash::
-      #   Hash to merge the converted element into.
-      # element::
-      #   XML element to merge into hash
-      def merge_element!(hash, element)
-        merge!(hash, element.name, collapse(element))
-      end
-
-      # Actually converts an XML document element into a data structure.
-      #
-      # element::
-      #   The document element to be collapsed.
-      def collapse(element)
-        hash = get_attributes(element)
-
-        if element.has_elements?
-          element.each_element {|child| merge_element!(hash, child) }
-          merge_texts!(hash, element) unless empty_content?(element)
-          hash
-        else
-          merge_texts!(hash, element)
-        end
-      end
-
-      # Merge all the texts of an element into the hash
-      #
-      # hash::
-      #   Hash to add the converted emement to.
-      # element::
-      #   XML element whose texts are to me merged into the hash
-      def merge_texts!(hash, element)
-        unless element.has_text?
-          hash
-        else
-          # must use value to prevent double-escaping
-          merge!(hash, CONTENT_KEY, element.texts.sum(&:value))
-        end
-      end
-
-      # Adds a new key/value pair to an existing Hash. If the key to be added
-      # already exists and the existing value associated with key is not
-      # an Array, it will be wrapped in an Array. Then the new value is
-      # appended to that Array.
-      #
-      # hash::
-      #   Hash to add key/value pair to.
-      # key::
-      #   Key to be added.
-      # value::
-      #   Value to be associated with key.
-      def merge!(hash, key, value)
-        if hash.has_key?(key)
-          if hash[key].instance_of?(Array)
-            hash[key] << value
-          else
-            hash[key] = [hash[key], value]
-          end
-        elsif value.instance_of?(Array)
-          hash[key] = [value]
-        else
-          hash[key] = value
-        end
-        hash
-      end
-
-      # Converts the attributes array of an XML element into a hash.
-      # Returns an empty Hash if node has no attributes.
-      #
-      # element::
-      #   XML element to extract attributes from.
-      def get_attributes(element)
-        attributes = {}
-        element.attributes.each { |n,v| attributes[n] = v }
-        attributes
+    def backend=(name)
+      if name.is_a?(Module)
+        @backend = name
+      else
+        require "active_support/xml_mini/#{name.to_s.downcase}.rb"
+        @backend = ActiveSupport.const_get("XmlMini_#{name}")
       end
+    end
 
-      # Determines if a document element has text content
-      #
-      # element::
-      #   XML element to be checked.
-      def empty_content?(element)
-        element.texts.join.blank?
-      end
+    def with_backend(name)
+      old_backend, self.backend = backend, name
+      yield
+    ensure
+      self.backend = old_backend
+    end
   end
-end
\ No newline at end of file
+
+  XmlMini.backend = 'REXML'
+end
diff --git a/activesupport/lib/active_support/xml_mini/libxml.rb b/activesupport/lib/active_support/xml_mini/libxml.rb
new file mode 100644
index 0000000000..3586b24a6b
--- /dev/null
+++ b/activesupport/lib/active_support/xml_mini/libxml.rb
@@ -0,0 +1,133 @@
+require 'libxml'
+
+# = XmlMini LibXML implementation
+module ActiveSupport
+  module XmlMini_LibXML #:nodoc:
+    extend self
+
+    # Parse an XML Document string into a simple hash using libxml.
+    # string::
+    #   XML Document string to parse
+    def parse(string)
+      LibXML::XML.default_keep_blanks = false
+
+      if string.blank?
+        {}
+      else
+        LibXML::XML::Parser.string(string.strip).parse.to_hash
+      end
+    end
+
+  end
+end
+
+module LibXML
+  module Conversions
+    module Document
+      def to_hash
+        root.to_hash
+      end
+    end
+
+    module Node
+      CONTENT_ROOT = '__content__'
+      LIB_XML_LIMIT = 30000000 # Hardcoded LibXML limit
+
+      # Convert XML document to hash
+      #
+      # hash::
+      #   Hash to merge the converted element into.
+      def to_hash(hash={})
+        if text?
+          raise LibXML::XML::Error if content.length >= LIB_XML_LIMIT
+          hash[CONTENT_ROOT] = content
+        else
+          sub_hash = insert_name_into_hash(hash, name)
+          attributes_to_hash(sub_hash)
+          if array?
+            children_array_to_hash(sub_hash)
+          elsif yaml?
+            children_yaml_to_hash(sub_hash)
+          else
+            children_to_hash(sub_hash)
+          end
+        end
+        hash
+      end
+
+      protected
+
+        # Insert name into hash
+        #
+        # hash::
+        #   Hash to merge the converted element into.
+        # name::
+        #   name to to merge into hash
+        def insert_name_into_hash(hash, name)
+          sub_hash = {}
+          if hash[name]
+            if !hash[name].kind_of? Array
+              hash[name] = [hash[name]]
+            end
+            hash[name] << sub_hash
+          else
+            hash[name] = sub_hash
+          end
+          sub_hash
+        end
+
+        # Insert children into hash
+        #
+        # hash::
+        #   Hash to merge the children into.
+        def children_to_hash(hash={})
+          each { |child| child.to_hash(hash) }
+          attributes_to_hash(hash)
+          hash
+        end
+
+        # Convert xml attributes to hash
+        #
+        # hash::
+        #   Hash to merge the attributes into
+        def attributes_to_hash(hash={})
+          each_attr { |attr| hash[attr.name] = attr.value }
+          hash
+        end
+
+        # Convert array into hash
+        #
+        # hash::
+        #   Hash to merge the array into
+        def children_array_to_hash(hash={})
+          hash[child.name] = map do |child|
+            returning({}) { |sub_hash| child.children_to_hash(sub_hash) }
+          end
+          hash
+        end
+
+        # Convert yaml into hash
+        #
+        # hash::
+        #   Hash to merge the yaml into
+        def children_yaml_to_hash(hash = {})
+          hash[CONTENT_ROOT] = content unless content.blank?
+          hash
+        end
+
+        # Check if child is of type array
+        def array?
+          child? && child.next? && child.name == child.next.name
+        end
+
+        # Check if child is of type yaml
+        def yaml?
+          attributes.collect{|x| x.value}.include?('yaml')
+        end
+
+    end
+  end
+end
+
+LibXML::XML::Document.send(:include, LibXML::Conversions::Document)
+LibXML::XML::Node.send(:include, LibXML::Conversions::Node)
diff --git a/activesupport/lib/active_support/xml_mini/nokogiri.rb b/activesupport/lib/active_support/xml_mini/nokogiri.rb
new file mode 100644
index 0000000000..10281584fc
--- /dev/null
+++ b/activesupport/lib/active_support/xml_mini/nokogiri.rb
@@ -0,0 +1,77 @@
+require 'nokogiri'
+
+# = XmlMini Nokogiri implementation
+module ActiveSupport
+  module XmlMini_Nokogiri #:nodoc:
+    extend self
+
+    # Parse an XML Document string into a simple hash using libxml / nokogiri.
+    # string::
+    #   XML Document string to parse
+    def parse(string)
+      if string.blank?
+        {}
+      else
+        doc = Nokogiri::XML(string)
+        raise doc.errors.first if doc.errors.length > 0
+        doc.to_hash
+      end
+    end
+
+    module Conversions
+      module Document
+        def to_hash
+          root.to_hash
+        end
+      end
+
+      module Node
+        CONTENT_ROOT = '__content__'
+
+        # Convert XML document to hash
+        #
+        # hash::
+        #   Hash to merge the converted element into.
+        def to_hash(hash = {})
+          hash[name] ||= attributes_as_hash
+
+          walker = lambda { |memo, parent, child, callback|
+            next if child.blank? && 'file' != parent['type']
+
+            if child.text?
+              (memo[CONTENT_ROOT] ||= '') << child.content
+              next
+            end
+
+            name = child.name
+
+            child_hash = child.attributes_as_hash
+            if memo[name]
+              memo[name] = [memo[name]].flatten
+              memo[name] << child_hash
+            else
+              memo[name] = child_hash
+            end
+
+            # Recusively walk children
+            child.children.each { |c|
+              callback.call(child_hash, child, c, callback)
+            }
+          }
+
+          children.each { |c| walker.call(hash[name], self, c, walker) }
+          hash
+        end
+
+        def attributes_as_hash
+          Hash[*(attribute_nodes.map { |node|
+            [node.node_name, node.value]
+          }.flatten)]
+        end
+      end
+    end
+
+    Nokogiri::XML::Document.send(:include, Conversions::Document)
+    Nokogiri::XML::Node.send(:include, Conversions::Node)
+  end
+end
diff --git a/activesupport/lib/active_support/xml_mini/rexml.rb b/activesupport/lib/active_support/xml_mini/rexml.rb
new file mode 100644
index 0000000000..a8fdeca967
--- /dev/null
+++ b/activesupport/lib/active_support/xml_mini/rexml.rb
@@ -0,0 +1,108 @@
+# = XmlMini ReXML implementation
+module ActiveSupport
+  module XmlMini_REXML #:nodoc:
+    extend self
+
+    CONTENT_KEY = '__content__'.freeze
+
+    # Parse an XML Document string into a simple hash
+    #
+    # Same as XmlSimple::xml_in but doesn't shoot itself in the foot,
+    # and uses the defaults from ActiveSupport
+    #
+    # string::
+    #   XML Document string to parse
+    def parse(string)
+      require 'rexml/document' unless defined?(REXML::Document)
+      doc = REXML::Document.new(string)
+      merge_element!({}, doc.root)
+    end
+
+    private
+      # Convert an XML element and merge into the hash
+      #
+      # hash::
+      #   Hash to merge the converted element into.
+      # element::
+      #   XML element to merge into hash
+      def merge_element!(hash, element)
+        merge!(hash, element.name, collapse(element))
+      end
+
+      # Actually converts an XML document element into a data structure.
+      #
+      # element::
+      #   The document element to be collapsed.
+      def collapse(element)
+        hash = get_attributes(element)
+
+        if element.has_elements?
+          element.each_element {|child| merge_element!(hash, child) }
+          merge_texts!(hash, element) unless empty_content?(element)
+          hash
+        else
+          merge_texts!(hash, element)
+        end
+      end
+
+      # Merge all the texts of an element into the hash
+      #
+      # hash::
+      #   Hash to add the converted emement to.
+      # element::
+      #   XML element whose texts are to me merged into the hash
+      def merge_texts!(hash, element)
+        unless element.has_text?
+          hash
+        else
+          # must use value to prevent double-escaping
+          merge!(hash, CONTENT_KEY, element.texts.sum(&:value))
+        end
+      end
+
+      # Adds a new key/value pair to an existing Hash. If the key to be added
+      # already exists and the existing value associated with key is not
+      # an Array, it will be wrapped in an Array. Then the new value is
+      # appended to that Array.
+      #
+      # hash::
+      #   Hash to add key/value pair to.
+      # key::
+      #   Key to be added.
+      # value::
+      #   Value to be associated with key.
+      def merge!(hash, key, value)
+        if hash.has_key?(key)
+          if hash[key].instance_of?(Array)
+            hash[key] << value
+          else
+            hash[key] = [hash[key], value]
+          end
+        elsif value.instance_of?(Array)
+          hash[key] = [value]
+        else
+          hash[key] = value
+        end
+        hash
+      end
+
+      # Converts the attributes array of an XML element into a hash.
+      # Returns an empty Hash if node has no attributes.
+      #
+      # element::
+      #   XML element to extract attributes from.
+      def get_attributes(element)
+        attributes = {}
+        element.attributes.each { |n,v| attributes[n] = v }
+        attributes
+      end
+
+      # Determines if a document element has text content
+      #
+      # element::
+      #   XML element to be checked.
+      def empty_content?(element)
+        element.texts.join.blank?
+      end
+  end
+end