Merge branch 'master' of git://github.com/rails/rails into old

60 files changed, 292 insertions, 479 deletions

diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index e758983d7a..75de1fe2a6 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,5 +1,9 @@
 *Edge*
 
+* Make sure javascript_include_tag/stylesheet_link_tag does not append ".js" or ".css" onto external urls. #1664 [Matthew Rudy Jacobs]
+
+* Ruby 1.9: fix Content-Length for multibyte send_data streaming.  #2661 [Sava Chankov]
+
 * Ruby 1.9: ERB template encoding using a magic comment at the top of the file.  [Jeremy Kemper]
     <%# encoding: utf-8 %>
 
diff --git a/actionpack/examples/minimal.rb b/actionpack/examples/minimal.rb
index 9eb92cd8e7..7106149fa2 100644
--- a/actionpack/examples/minimal.rb
+++ b/actionpack/examples/minimal.rb
@@ -45,11 +45,9 @@ end
 OK = [200, {}, []]
 MetalPostController = lambda { OK }
 
-if ActionController.const_defined?(:Http)
-  class HttpPostController < ActionController::Http
-    def index
-      self.response_body = ''
-    end
+class HttpPostController < ActionController::Metal
+  def index
+    self.response_body = ''
   end
 end
 
diff --git a/actionpack/examples/very_simple.rb b/actionpack/examples/very_simple.rb
index 8d01cb39bd..422c4c3298 100644
--- a/actionpack/examples/very_simple.rb
+++ b/actionpack/examples/very_simple.rb
@@ -3,7 +3,7 @@ $:.push "rails/actionpack/lib"
 
 require "action_controller"
 
-class Kaigi < ActionController::Http
+class Kaigi < ActionController::Metal
   include AbstractController::Callbacks
   include ActionController::RackConvenience
   include ActionController::Renderer
@@ -13,7 +13,7 @@ class Kaigi < ActionController::Http
   before_filter :set_name
   append_view_path "views"
   
-  def _action_view
+  def view_context
     self
   end
   
@@ -23,7 +23,7 @@ class Kaigi < ActionController::Http
 
   DEFAULT_LAYOUT = Object.new.tap {|l| def l.render(*) yield end }
   
-  def _render_template_from_controller(template, layout = DEFAULT_LAYOUT, options = {}, partial = false)
+  def render_template(template, layout = DEFAULT_LAYOUT, options = {}, partial = false)
     ret = template.render(self, {})
     layout.render(self, {}) { ret }
   end
diff --git a/actionpack/lib/abstract_controller.rb b/actionpack/lib/abstract_controller.rb
new file mode 100644
index 0000000000..f020abaa45
--- /dev/null
+++ b/actionpack/lib/abstract_controller.rb
@@ -0,0 +1,16 @@
+require "active_support/core_ext/module/attr_internal"
+require "active_support/core_ext/module/delegation"
+
+module AbstractController
+  autoload :Base,               "abstract_controller/base"
+  autoload :Benchmarker,        "abstract_controller/benchmarker"
+  autoload :Callbacks,          "abstract_controller/callbacks"
+  autoload :Helpers,            "abstract_controller/helpers"
+  autoload :Layouts,            "abstract_controller/layouts"
+  autoload :Logger,             "abstract_controller/logger"
+  autoload :Renderer,           "abstract_controller/renderer"
+  # === Exceptions
+  autoload :ActionNotFound,     "abstract_controller/exceptions"
+  autoload :DoubleRenderError,  "abstract_controller/exceptions"
+  autoload :Error,              "abstract_controller/exceptions"
+end
diff --git a/actionpack/lib/action_controller/abstract/base.rb b/actionpack/lib/abstract_controller/base.rb
index ca00e66349..b93e6ce634 100644
--- a/actionpack/lib/action_controller/abstract/base.rb
+++ b/actionpack/lib/abstract_controller/base.rb
@@ -30,7 +30,7 @@ module AbstractController
       # instance methods on that abstract class. Public instance methods of
       # a controller would normally be considered action methods, so we
       # are removing those methods on classes declared as abstract
-      # (ActionController::Http and ActionController::Base are defined
+      # (ActionController::Metal and ActionController::Base are defined
       # as abstract)
       def internal_methods
         controller = self
diff --git a/actionpack/lib/action_controller/abstract/benchmarker.rb b/actionpack/lib/abstract_controller/benchmarker.rb
index 58e9564c2f..58e9564c2f 100644
--- a/actionpack/lib/action_controller/abstract/benchmarker.rb
+++ b/actionpack/lib/abstract_controller/benchmarker.rb
diff --git a/actionpack/lib/action_controller/abstract/callbacks.rb b/actionpack/lib/abstract_controller/callbacks.rb
index ea4b59466e..ea4b59466e 100644
--- a/actionpack/lib/action_controller/abstract/callbacks.rb
+++ b/actionpack/lib/abstract_controller/callbacks.rb
diff --git a/actionpack/lib/action_controller/abstract/exceptions.rb b/actionpack/lib/abstract_controller/exceptions.rb
index b671516de1..b671516de1 100644
--- a/actionpack/lib/action_controller/abstract/exceptions.rb
+++ b/actionpack/lib/abstract_controller/exceptions.rb
diff --git a/actionpack/lib/action_controller/abstract/helpers.rb b/actionpack/lib/abstract_controller/helpers.rb
index 5efa37fde3..5efa37fde3 100644
--- a/actionpack/lib/action_controller/abstract/helpers.rb
+++ b/actionpack/lib/abstract_controller/helpers.rb
diff --git a/actionpack/lib/action_controller/abstract/layouts.rb b/actionpack/lib/abstract_controller/layouts.rb
index f021dd8b62..f021dd8b62 100644
--- a/actionpack/lib/action_controller/abstract/layouts.rb
+++ b/actionpack/lib/abstract_controller/layouts.rb
diff --git a/actionpack/lib/action_controller/abstract/logger.rb b/actionpack/lib/abstract_controller/logger.rb
index fd33bd2ddd..fd33bd2ddd 100644
--- a/actionpack/lib/action_controller/abstract/logger.rb
+++ b/actionpack/lib/abstract_controller/logger.rb
diff --git a/actionpack/lib/action_controller/abstract/renderer.rb b/actionpack/lib/abstract_controller/renderer.rb
index 41b7d47458..73e6b2a4dc 100644
--- a/actionpack/lib/action_controller/abstract/renderer.rb
+++ b/actionpack/lib/abstract_controller/renderer.rb
@@ -1,4 +1,4 @@
-require "action_controller/abstract/logger"
+require "abstract_controller/logger"
 
 module AbstractController
   module Renderer
@@ -19,11 +19,11 @@ module AbstractController
     # The view class must have the following methods:
     # View.for_controller[controller] Create a new ActionView instance for a 
     #   controller
-    # View#_render_partial_from_controller[options]
+    # View#render_partial[options]
     #   - responsible for setting options[:_template]
     #   - Returns String with the rendered partial
     #   options<Hash>:: see _render_partial in ActionView::Base
-    # View#_render_template_from_controller[template, layout, options, partial]
+    # View#render_template[template, layout, options, partial]
     #   - Returns String with the rendered template
     #   template<ActionView::Template>:: The template to render
     #   layout<ActionView::Template>:: The layout to render around the template
@@ -31,8 +31,8 @@ module AbstractController
     #   partial<Boolean>:: Whether or not the template to render is a partial
     #
     # Override this method in a to change the default behavior.
-    def _action_view
-      @_action_view ||= ActionView::Base.for_controller(self)
+    def view_context
+      @_view_context ||= ActionView::Base.for_controller(self)
     end
 
     # Mostly abstracts the fact that calling render twice is a DoubleRenderError.
@@ -54,8 +54,8 @@ module AbstractController
     # :api: plugin
     def render_to_body(options = {})
       # TODO: Refactor so we can just use the normal template logic for this
-      if options[:_partial_object]
-        _action_view._render_partial_from_controller(options)
+      if options.key?(:_partial_object)
+        view_context.render_partial(options)
       else
         _determine_template(options)
         _render_template(options)
@@ -77,7 +77,7 @@ module AbstractController
     # _layout<ActionView::Template>:: The layout to wrap the template in (optional)
     # _partial<TrueClass, FalseClass>:: Whether or not the template to be rendered is a partial
     def _render_template(options)
-      _action_view._render_template_from_controller(options[:_template], options[:_layout], options, options[:_partial])
+      view_context.render_template(options)
     end
 
     # The list of view paths for this controller. See ActionView::ViewPathSet for
diff --git a/actionpack/lib/action_controller.rb b/actionpack/lib/action_controller.rb
index 32572c93c0..22c2c4f499 100644
--- a/actionpack/lib/action_controller.rb
+++ b/actionpack/lib/action_controller.rb
@@ -1,62 +1,62 @@
 module ActionController
-  autoload :Base,                 "action_controller/base/base"
-  autoload :ConditionalGet,       "action_controller/base/conditional_get"
-  autoload :HideActions,          "action_controller/base/hide_actions"
-  autoload :Http,                 "action_controller/base/http"
-  autoload :Layouts,              "action_controller/base/layouts"
-  autoload :RackConvenience,      "action_controller/base/rack_convenience"
-  autoload :Rails2Compatibility,  "action_controller/base/compatibility"
-  autoload :Redirector,           "action_controller/base/redirector"
-  autoload :Renderer,             "action_controller/base/renderer"
-  autoload :RenderOptions,        "action_controller/base/render_options"
-  autoload :Renderers,            "action_controller/base/render_options"
-  autoload :Rescue,               "action_controller/base/rescuable"
-  autoload :Testing,              "action_controller/base/testing"
-  autoload :UrlFor,               "action_controller/base/url_for"
-  autoload :Session,              "action_controller/base/session"
-  autoload :Helpers,              "action_controller/base/helpers"
+  autoload :Base,                 "action_controller/base"
+  autoload :ConditionalGet,       "action_controller/metal/conditional_get"
+  autoload :HideActions,          "action_controller/metal/hide_actions"
+  autoload :Metal,                "action_controller/metal"
+  autoload :Layouts,              "action_controller/metal/layouts"
+  autoload :RackConvenience,      "action_controller/metal/rack_convenience"
+  autoload :Rails2Compatibility,  "action_controller/metal/compatibility"
+  autoload :Redirector,           "action_controller/metal/redirector"
+  autoload :Renderer,             "action_controller/metal/renderer"
+  autoload :RenderOptions,        "action_controller/metal/render_options"
+  autoload :Renderers,            "action_controller/metal/render_options"
+  autoload :Rescue,               "action_controller/metal/rescuable"
+  autoload :Testing,              "action_controller/metal/testing"
+  autoload :UrlFor,               "action_controller/metal/url_for"
+  autoload :Session,              "action_controller/metal/session"
+  autoload :Helpers,              "action_controller/metal/helpers"
 
   # Ported modules
   # require 'action_controller/routing'
   autoload :Caching,           'action_controller/caching'
   autoload :Dispatcher,        'action_controller/dispatch/dispatcher'
   autoload :Integration,       'action_controller/testing/integration'
-  autoload :MimeResponds,      'action_controller/base/mime_responds'
+  autoload :MimeResponds,      'action_controller/metal/mime_responds'
   autoload :PolymorphicRoutes, 'action_controller/routing/generation/polymorphic_routes'
   autoload :RecordIdentifier,  'action_controller/record_identifier'
   autoload :Resources,         'action_controller/routing/resources'
-  autoload :SessionManagement, 'action_controller/base/session_management'
+  autoload :SessionManagement, 'action_controller/metal/session_management'
   autoload :TestCase,          'action_controller/testing/test_case'
   autoload :TestProcess,       'action_controller/testing/process'
   autoload :UrlRewriter,       'action_controller/routing/generation/url_rewriter'
   autoload :UrlWriter,         'action_controller/routing/generation/url_rewriter'
 
-  autoload :Verification,             'action_controller/base/verification'
-  autoload :Flash,                    'action_controller/base/flash'
-  autoload :RequestForgeryProtection, 'action_controller/base/request_forgery_protection'
-  autoload :Streaming,                'action_controller/base/streaming'
-  autoload :HttpAuthentication,       'action_controller/base/http_authentication'
-  autoload :FilterParameterLogging,   'action_controller/base/filter_parameter_logging'
+  autoload :Verification,             'action_controller/metal/verification'
+  autoload :Flash,                    'action_controller/metal/flash'
+  autoload :RequestForgeryProtection, 'action_controller/metal/request_forgery_protection'
+  autoload :Streaming,                'action_controller/metal/streaming'
+  autoload :HttpAuthentication,       'action_controller/metal/http_authentication'
+  autoload :FilterParameterLogging,   'action_controller/metal/filter_parameter_logging'
   autoload :Translation,              'action_controller/translation'
-  autoload :Cookies,                  'action_controller/base/cookies'
+  autoload :Cookies,                  'action_controller/metal/cookies'
 
-  autoload :ActionControllerError,    'action_controller/base/exceptions'
-  autoload :SessionRestoreError,      'action_controller/base/exceptions'
-  autoload :RenderError,              'action_controller/base/exceptions'
-  autoload :RoutingError,             'action_controller/base/exceptions'
-  autoload :MethodNotAllowed,         'action_controller/base/exceptions'
-  autoload :NotImplemented,           'action_controller/base/exceptions'
-  autoload :UnknownController,        'action_controller/base/exceptions'
-  autoload :MissingFile,              'action_controller/base/exceptions'
-  autoload :RenderError,              'action_controller/base/exceptions'
-  autoload :SessionOverflowError,     'action_controller/base/exceptions'
-  autoload :UnknownHttpMethod,        'action_controller/base/exceptions'
+  autoload :ActionControllerError,    'action_controller/metal/exceptions'
+  autoload :SessionRestoreError,      'action_controller/metal/exceptions'
+  autoload :RenderError,              'action_controller/metal/exceptions'
+  autoload :RoutingError,             'action_controller/metal/exceptions'
+  autoload :MethodNotAllowed,         'action_controller/metal/exceptions'
+  autoload :NotImplemented,           'action_controller/metal/exceptions'
+  autoload :UnknownController,        'action_controller/metal/exceptions'
+  autoload :MissingFile,              'action_controller/metal/exceptions'
+  autoload :RenderError,              'action_controller/metal/exceptions'
+  autoload :SessionOverflowError,     'action_controller/metal/exceptions'
+  autoload :UnknownHttpMethod,        'action_controller/metal/exceptions'
 
   autoload :Routing,                  'action_controller/routing'
 end
 
 autoload :HTML, 'action_controller/vendor/html-scanner'
-autoload :AbstractController, 'action_controller/abstract'
+autoload :AbstractController, 'abstract_controller'
 
 autoload :Rack,                       'action_dispatch'
 autoload :ActionDispatch,             'action_dispatch'
diff --git a/actionpack/lib/action_controller/abstract.rb b/actionpack/lib/action_controller/abstract.rb
deleted file mode 100644
index d0eba253b8..0000000000
--- a/actionpack/lib/action_controller/abstract.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-require "active_support/core_ext/module/attr_internal"
-require "active_support/core_ext/module/delegation"
-
-module AbstractController
-  autoload :Base,               "action_controller/abstract/base"
-  autoload :Benchmarker,        "action_controller/abstract/benchmarker"
-  autoload :Callbacks,          "action_controller/abstract/callbacks"
-  autoload :Helpers,            "action_controller/abstract/helpers"
-  autoload :Layouts,            "action_controller/abstract/layouts"
-  autoload :Logger,             "action_controller/abstract/logger"
-  autoload :Renderer,           "action_controller/abstract/renderer"
-  # === Exceptions
-  autoload :ActionNotFound,     "action_controller/abstract/exceptions"
-  autoload :DoubleRenderError,  "action_controller/abstract/exceptions"
-  autoload :Error,              "action_controller/abstract/exceptions"
-end
diff --git a/actionpack/lib/action_controller/base/base.rb b/actionpack/lib/action_controller/base.rb
index e541d24e31..9d9f735e27 100644
--- a/actionpack/lib/action_controller/base/base.rb
+++ b/actionpack/lib/action_controller/base.rb
@@ -1,5 +1,5 @@
 module ActionController
-  class Base < Http
+  class Base < Metal
     abstract!
 
     include AbstractController::Benchmarker
diff --git a/actionpack/lib/action_controller/caching/actions.rb b/actionpack/lib/action_controller/caching/actions.rb
index d8a1662acc..cb0c3a1384 100644
--- a/actionpack/lib/action_controller/caching/actions.rb
+++ b/actionpack/lib/action_controller/caching/actions.rb
@@ -129,8 +129,7 @@ module ActionController #:nodoc:
           end
 
           def content_for_layout(controller)
-            # TODO: Remove this when new base is merged in
-            template = controller.respond_to?(:template) ? controller.template : controller._action_view
+            template = controller.view_context
             template.layout && template.instance_variable_get('@cached_content_for_layout')
           end
       end
diff --git a/actionpack/lib/action_controller/base/http.rb b/actionpack/lib/action_controller/metal.rb
index 3efd1b656f..5333ca497c 100644
--- a/actionpack/lib/action_controller/base/http.rb
+++ b/actionpack/lib/action_controller/metal.rb
@@ -1,13 +1,11 @@
-require 'action_controller/abstract'
-
 module ActionController
-  # ActionController::Http provides a way to get a valid Rack application from a controller.
+  # ActionController::Metal provides a way to get a valid Rack application from a controller.
   #
   # In AbstractController, dispatching is triggered directly by calling #process on a new controller.
-  # ActionController::Http provides an #action method that returns a valid Rack application for a
+  # ActionController::Metal provides an #action method that returns a valid Rack application for a
   # given action. Other rack builders, such as Rack::Builder, Rack::URLMap, and the Rails router,
   # can dispatch directly to the action returned by FooController.action(:index).
-  class Http < AbstractController::Base
+  class Metal < AbstractController::Base
     abstract!
 
     # :api: public
@@ -72,11 +70,11 @@ module ActionController
     def call(name, env)
       @_env = env
       process(name)
-      to_rack
+      to_a
     end
 
     # :api: private
-    def to_rack
+    def to_a
       [status, headers, response_body]
     end
 
diff --git a/actionpack/lib/action_controller/base/compatibility.rb b/actionpack/lib/action_controller/metal/compatibility.rb
index 13813ffd17..23e7b1b3af 100644
--- a/actionpack/lib/action_controller/base/compatibility.rb
+++ b/actionpack/lib/action_controller/metal/compatibility.rb
@@ -72,7 +72,7 @@ module ActionController
 
     # TODO: Remove this after we flip
     def template
-      @template ||= _action_view
+      @template ||= view_context
     end
 
     def process_action(*)
@@ -141,7 +141,7 @@ module ActionController
     end
 
     def view_paths
-      _action_view.view_paths
+      view_context.view_paths
     end
   end
 end
diff --git a/actionpack/lib/action_controller/base/conditional_get.rb b/actionpack/lib/action_controller/metal/conditional_get.rb
index d287ec4994..6d35137428 100644
--- a/actionpack/lib/action_controller/base/conditional_get.rb
+++ b/actionpack/lib/action_controller/metal/conditional_get.rb
@@ -29,11 +29,7 @@ module ActionController
       response.last_modified = options[:last_modified] if options[:last_modified]
 
       if options[:public]
-        cache_control = response.headers["Cache-Control"].split(",").map {|k| k.strip }
-        cache_control.delete("private")
-        cache_control.delete("no-cache")
-        cache_control << "public"
-        response.headers["Cache-Control"] = cache_control.join(', ')
+        response.cache_control[:public] = true
       end
 
       if request.fresh?(response)
@@ -107,21 +103,10 @@ module ActionController
     # This method will overwrite an existing Cache-Control header.
     # See http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html for more possibilities.
     def expires_in(seconds, options = {}) #:doc:
-      cache_control = response.headers["Cache-Control"].split(",").map {|k| k.strip }
+      response.cache_control.merge!(:max_age => seconds, :public => options.delete(:public))
+      options.delete(:private)
 
-      cache_control << "max-age=#{seconds}"
-      cache_control.delete("no-cache")
-      if options[:public]
-        cache_control.delete("private")
-        cache_control << "public"
-      else
-        cache_control << "private"
-      end
-
-      # This allows for additional headers to be passed through like 'max-stale' => 5.hours
-      cache_control += options.symbolize_keys.reject{|k,v| k == :public || k == :private }.map{ |k,v| v == true ? k.to_s : "#{k.to_s}=#{v.to_s}"}
-
-      response.headers["Cache-Control"] = cache_control.join(', ')
+      response.cache_control[:extras] = options.map {|k,v| "#{k}=#{v}"}
     end
 
     # Sets a HTTP 1.1 Cache-Control header of "no-cache" so no caching should occur by the browser or
diff --git a/actionpack/lib/action_controller/base/cookies.rb b/actionpack/lib/action_controller/metal/cookies.rb
index d4806623c3..d4806623c3 100644
--- a/actionpack/lib/action_controller/base/cookies.rb
+++ b/actionpack/lib/action_controller/metal/cookies.rb
diff --git a/actionpack/lib/action_controller/base/exceptions.rb b/actionpack/lib/action_controller/metal/exceptions.rb
index d0811254cb..d0811254cb 100644
--- a/actionpack/lib/action_controller/base/exceptions.rb
+++ b/actionpack/lib/action_controller/metal/exceptions.rb
diff --git a/actionpack/lib/action_controller/base/filter_parameter_logging.rb b/actionpack/lib/action_controller/metal/filter_parameter_logging.rb
index 065e62a37f..065e62a37f 100644
--- a/actionpack/lib/action_controller/base/filter_parameter_logging.rb
+++ b/actionpack/lib/action_controller/metal/filter_parameter_logging.rb
diff --git a/actionpack/lib/action_controller/base/flash.rb b/actionpack/lib/action_controller/metal/flash.rb
index 590f9be3ac..590f9be3ac 100644
--- a/actionpack/lib/action_controller/base/flash.rb
+++ b/actionpack/lib/action_controller/metal/flash.rb
diff --git a/actionpack/lib/action_controller/base/helpers.rb b/actionpack/lib/action_controller/metal/helpers.rb
index 7c52779064..7c52779064 100644
--- a/actionpack/lib/action_controller/base/helpers.rb
+++ b/actionpack/lib/action_controller/metal/helpers.rb
diff --git a/actionpack/lib/action_controller/base/hide_actions.rb b/actionpack/lib/action_controller/metal/hide_actions.rb
index af68c772b1..af68c772b1 100644
--- a/actionpack/lib/action_controller/base/hide_actions.rb
+++ b/actionpack/lib/action_controller/metal/hide_actions.rb
diff --git a/actionpack/lib/action_controller/base/http_authentication.rb b/actionpack/lib/action_controller/metal/http_authentication.rb
index 525787bf92..525787bf92 100644
--- a/actionpack/lib/action_controller/base/http_authentication.rb
+++ b/actionpack/lib/action_controller/metal/http_authentication.rb
diff --git a/actionpack/lib/action_controller/base/layouts.rb b/actionpack/lib/action_controller/metal/layouts.rb
index 365351b421..365351b421 100644
--- a/actionpack/lib/action_controller/base/layouts.rb
+++ b/actionpack/lib/action_controller/metal/layouts.rb
diff --git a/actionpack/lib/action_controller/base/mime_responds.rb b/actionpack/lib/action_controller/metal/mime_responds.rb
index 9a6c8aa58b..9a6c8aa58b 100644
--- a/actionpack/lib/action_controller/base/mime_responds.rb
+++ b/actionpack/lib/action_controller/metal/mime_responds.rb
diff --git a/actionpack/lib/action_controller/base/rack_convenience.rb b/actionpack/lib/action_controller/metal/rack_convenience.rb
index 805157b0e3..5fac445dab 100644
--- a/actionpack/lib/action_controller/base/rack_convenience.rb
+++ b/actionpack/lib/action_controller/metal/rack_convenience.rb
@@ -20,7 +20,7 @@ module ActionController
     end
 
     # :api: private
-    def to_rack
+    def to_a
       @_response.prepare!
       @_response.to_a
     end
diff --git a/actionpack/lib/action_controller/base/redirector.rb b/actionpack/lib/action_controller/metal/redirector.rb
index 20060b001f..20060b001f 100644
--- a/actionpack/lib/action_controller/base/redirector.rb
+++ b/actionpack/lib/action_controller/metal/redirector.rb
diff --git a/actionpack/lib/action_controller/base/render_options.rb b/actionpack/lib/action_controller/metal/render_options.rb
index fc9a02626f..c6a965472f 100644
--- a/actionpack/lib/action_controller/base/render_options.rb
+++ b/actionpack/lib/action_controller/metal/render_options.rb
@@ -13,7 +13,7 @@ module ActionController
           <<-RUBY_EVAL
             if options.key?(:#{r})
               _process_options(options)
-              return _render_#{r}(options[:#{r}], options)
+              return render_#{r}(options[:#{r}], options)
             end
           RUBY_EVAL
         end
@@ -52,7 +52,7 @@ module ActionController
       extend RenderOption
       register_renderer :json
 
-      def _render_json(json, options)
+      def render_json(json, options)
         json = ActiveSupport::JSON.encode(json) unless json.respond_to?(:to_str)
         json = "#{options[:callback]}(#{json})" unless options[:callback].blank?
         self.content_type ||= Mime::JSON
@@ -64,9 +64,9 @@ module ActionController
       extend RenderOption
       register_renderer :js
 
-      def _render_js(js, options)
+      def render_js(js, options)
         self.content_type ||= Mime::JS
-        self.response_body = js
+        self.response_body  = js.respond_to?(:to_js) ? js.to_js : js
       end
     end
 
@@ -74,7 +74,7 @@ module ActionController
       extend RenderOption
       register_renderer :xml
 
-      def _render_xml(xml, options)
+      def render_xml(xml, options)
         self.content_type ||= Mime::XML
         self.response_body  = xml.respond_to?(:to_xml) ? xml.to_xml : xml
       end
@@ -84,8 +84,8 @@ module ActionController
       extend RenderOption
       register_renderer :update
 
-      def _render_update(proc, options)
-        generator = ActionView::Helpers::PrototypeHelper::JavaScriptGenerator.new(_action_view, &proc)
+      def render_update(proc, options)
+        generator = ActionView::Helpers::PrototypeHelper::JavaScriptGenerator.new(view_context, &proc)
         self.content_type = Mime::JS
         self.response_body = generator.to_s
       end
diff --git a/actionpack/lib/action_controller/base/renderer.rb b/actionpack/lib/action_controller/metal/renderer.rb
index 572da451ff..5a458764ad 100644
--- a/actionpack/lib/action_controller/base/renderer.rb
+++ b/actionpack/lib/action_controller/metal/renderer.rb
@@ -57,7 +57,7 @@ module ActionController
         when true
           options[:_prefix] = _prefix
         when String
-          options[:_prefix] = _prefix unless partial.index('/')
+          options[:_prefix] = _prefix unless partial.include?(?/)
           options[:_template_name] = partial
         else
           options[:_partial_object] = true
diff --git a/actionpack/lib/action_controller/base/request_forgery_protection.rb b/actionpack/lib/action_controller/metal/request_forgery_protection.rb
index ad06657f86..ad06657f86 100644
--- a/actionpack/lib/action_controller/base/request_forgery_protection.rb
+++ b/actionpack/lib/action_controller/metal/request_forgery_protection.rb
diff --git a/actionpack/lib/action_controller/base/rescuable.rb b/actionpack/lib/action_controller/metal/rescuable.rb
index 029e643d93..029e643d93 100644
--- a/actionpack/lib/action_controller/base/rescuable.rb
+++ b/actionpack/lib/action_controller/metal/rescuable.rb
diff --git a/actionpack/lib/action_controller/base/session.rb b/actionpack/lib/action_controller/metal/session.rb
index bcedd6e1c7..bcedd6e1c7 100644
--- a/actionpack/lib/action_controller/base/session.rb
+++ b/actionpack/lib/action_controller/metal/session.rb
diff --git a/actionpack/lib/action_controller/base/session_management.rb b/actionpack/lib/action_controller/metal/session_management.rb
index ffce8e1bd1..ffce8e1bd1 100644
--- a/actionpack/lib/action_controller/base/session_management.rb
+++ b/actionpack/lib/action_controller/metal/session_management.rb
diff --git a/actionpack/lib/action_controller/base/streaming.rb b/actionpack/lib/action_controller/metal/streaming.rb
index 9ff4f25f43..f0317c6e99 100644
--- a/actionpack/lib/action_controller/base/streaming.rb
+++ b/actionpack/lib/action_controller/metal/streaming.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/string/bytesize'
+
 module ActionController #:nodoc:
   # Methods for sending arbitrary data and for streaming files to the browser,
   # instead of rendering.
@@ -142,7 +144,7 @@ module ActionController #:nodoc:
       # instead. See ActionController::Base#render for more information.
       def send_data(data, options = {}) #:doc:
         logger.info "Sending data #{options[:filename]}" if logger
-        send_file_headers! options.merge(:length => data.size)
+        send_file_headers! options.merge(:length => data.bytesize)
         @performed_render = false
         render :status => options[:status], :text => data
       end
@@ -179,7 +181,7 @@ module ActionController #:nodoc:
         # after it displays the "open/save" dialog, which means that if you
         # hit "open" the file isn't there anymore when the application that
         # is called for handling the download is run, so let's workaround that
-        headers['Cache-Control'] = 'private' if headers['Cache-Control'] == 'no-cache'
+        response.cache_control[:public] ||= false
       end
   end
 end
diff --git a/actionpack/lib/action_controller/base/testing.rb b/actionpack/lib/action_controller/metal/testing.rb
index a4a1116d9e..a4a1116d9e 100644
--- a/actionpack/lib/action_controller/base/testing.rb
+++ b/actionpack/lib/action_controller/metal/testing.rb
diff --git a/actionpack/lib/action_controller/base/url_for.rb b/actionpack/lib/action_controller/metal/url_for.rb
index 7119c14cd3..7119c14cd3 100644
--- a/actionpack/lib/action_controller/base/url_for.rb
+++ b/actionpack/lib/action_controller/metal/url_for.rb
diff --git a/actionpack/lib/action_controller/base/verification.rb b/actionpack/lib/action_controller/metal/verification.rb
index 951ae1bee1..951ae1bee1 100644
--- a/actionpack/lib/action_controller/base/verification.rb
+++ b/actionpack/lib/action_controller/metal/verification.rb
diff --git a/actionpack/lib/action_controller/old_base.rb b/actionpack/lib/action_controller/old_base.rb
deleted file mode 100644
index dd22bfd617..0000000000
--- a/actionpack/lib/action_controller/old_base.rb
+++ /dev/null
@@ -1,84 +0,0 @@
-#--
-# Copyright (c) 2004-2009 David Heinemeier Hansson
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# "Software"), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be
-# included in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-#++
-
-activesupport_path = "#{File.dirname(__FILE__)}/../../activesupport/lib"
-$:.unshift activesupport_path if File.directory?(activesupport_path)
-require 'active_support'
-
-require File.join(File.dirname(__FILE__), "action_pack")
-
-module ActionController
-  # TODO: Review explicit to see if they will automatically be handled by
-  # the initilizer if they are really needed.
-  def self.load_all!
-    [Base, Request, Response, UrlRewriter, UrlWriter]
-    [ActionDispatch::Http::Headers]
-  end
-
-  autoload :Base, 'action_controller/base/base'
-  autoload :Benchmarking, 'action_controller/base/chained/benchmarking'
-  autoload :Caching, 'action_controller/caching'
-  autoload :Cookies, 'action_controller/base/cookies'
-  autoload :Dispatcher, 'action_controller/dispatch/dispatcher'
-  autoload :Filters, 'action_controller/base/chained/filters'
-  autoload :Flash, 'action_controller/base/chained/flash'
-  autoload :Helpers, 'action_controller/base/helpers'
-  autoload :HttpAuthentication, 'action_controller/base/http_authentication'
-  autoload :Integration, 'action_controller/testing/integration'
-  autoload :IntegrationTest, 'action_controller/testing/integration'
-  autoload :Layout, 'action_controller/base/layout'
-  autoload :MimeResponds, 'action_controller/base/mime_responds'
-  autoload :PolymorphicRoutes, 'action_controller/routing/generation/polymorphic_routes'
-  autoload :RecordIdentifier, 'action_controller/record_identifier'
-  autoload :Redirector, 'action_controller/base/redirect'
-  autoload :Renderer, 'action_controller/base/render'
-  autoload :RequestForgeryProtection, 'action_controller/base/request_forgery_protection'
-  autoload :Rescue, 'action_controller/base/rescue'
-  autoload :Resources, 'action_controller/routing/resources'
-  autoload :Responder, 'action_controller/base/responder'
-  autoload :Routing, 'action_controller/routing'
-  autoload :SessionManagement, 'action_controller/base/session_management'
-  autoload :Streaming, 'action_controller/base/streaming'
-  autoload :TestCase, 'action_controller/testing/test_case'
-  autoload :TestProcess, 'action_controller/testing/process'
-  autoload :Translation, 'action_controller/translation'
-  autoload :UrlEncodedPairParser, 'action_controller/dispatch/url_encoded_pair_parser'
-  autoload :UrlRewriter, 'action_controller/routing/generation/url_rewriter'
-  autoload :UrlWriter, 'action_controller/routing/generation/url_rewriter'
-  autoload :Verification, 'action_controller/base/verification'
-  autoload :FilterParameterLogging, 'action_controller/base/filter_parameter_logging'
-
-  module Assertions
-    autoload :DomAssertions, 'action_controller/testing/assertions/dom'
-    autoload :ModelAssertions, 'action_controller/testing/assertions/model'
-    autoload :ResponseAssertions, 'action_controller/testing/assertions/response'
-    autoload :RoutingAssertions, 'action_controller/testing/assertions/routing'
-    autoload :SelectorAssertions, 'action_controller/testing/assertions/selector'
-    autoload :TagAssertions, 'action_controller/testing/assertions/tag'
-  end
-end
-
-autoload :HTML, 'action_controller/vendor/html-scanner'
-
-require 'action_dispatch'
-require 'action_view'
diff --git a/actionpack/lib/action_controller/record_identifier.rb b/actionpack/lib/action_controller/record_identifier.rb
index b4408e4e1d..1165c3b7c5 100644
--- a/actionpack/lib/action_controller/record_identifier.rb
+++ b/actionpack/lib/action_controller/record_identifier.rb
@@ -36,21 +36,6 @@ module ActionController
     JOIN = '_'.freeze
     NEW = 'new'.freeze
 
-    # Returns plural/singular for a record or class. Example:
-    #
-    #   partial_path(post)                   # => "posts/post"
-    #   partial_path(Person)                 # => "people/person"
-    #   partial_path(Person, "admin/games")  # => "admin/people/person"
-    def partial_path(record_or_class, controller_path = nil)
-      name = model_name_from_record_or_class(record_or_class)
-
-      if controller_path && controller_path.include?("/")
-        "#{File.dirname(controller_path)}/#{name.partial_path}"
-      else
-        name.partial_path
-      end
-    end
-
     # The DOM class convention is to use the singular form of an object or class. Examples:
     #
     #   dom_class(post)   # => "post"
diff --git a/actionpack/lib/action_controller/testing/process.rb b/actionpack/lib/action_controller/testing/process.rb
index e7c64d0942..d32d5562e8 100644
--- a/actionpack/lib/action_controller/testing/process.rb
+++ b/actionpack/lib/action_controller/testing/process.rb
@@ -52,7 +52,7 @@ module ActionController #:nodoc:
   class TestResponse < ActionDispatch::TestResponse
     def recycle!
       @status = 200
-      @header = Rack::Utils::HeaderHash.new(DEFAULT_HEADERS)
+      @header = Rack::Utils::HeaderHash.new
       @writer = lambda { |x| @body << x }
       @block = nil
       @length = 0
diff --git a/actionpack/lib/action_dispatch/http/response.rb b/actionpack/lib/action_dispatch/http/response.rb
index e58b4b5e19..03d1780b77 100644
--- a/actionpack/lib/action_dispatch/http/response.rb
+++ b/actionpack/lib/action_dispatch/http/response.rb
@@ -32,8 +32,8 @@ module ActionDispatch # :nodoc:
   #    end
   #  end
   class Response < Rack::Response
-    DEFAULT_HEADERS = { "Cache-Control" => "no-cache" }
     attr_accessor :request
+    attr_reader :cache_control
 
     attr_writer :header
     alias_method :headers=, :header=
@@ -42,21 +42,26 @@ module ActionDispatch # :nodoc:
 
     def initialize
       super
-      @header = Rack::Utils::HeaderHash.new(DEFAULT_HEADERS)
+      @cache_control = {}
+      @header = Rack::Utils::HeaderHash.new
+    end
+
+    def status=(status)
+      @status = status.to_i
     end
 
     # The response code of the request
     def response_code
-      status.to_s[0,3].to_i rescue 0
+      @status
     end
 
     # Returns a String to ensure compatibility with Net::HTTPResponse
     def code
-      status.to_s.split(' ')[0]
+      @status.to_s
     end
 
     def message
-      status.to_s.split(' ',2)[1] || StatusCodes::STATUS_CODES[response_code]
+      StatusCodes::STATUS_CODES[@status]
     end
     alias_method :status_message, :message
 
@@ -142,10 +147,7 @@ module ActionDispatch # :nodoc:
     def prepare!
       assign_default_content_type_and_charset!
       handle_conditional_get!
-      set_content_length!
-      convert_content_type!
-      convert_language!
-      convert_cookies!
+      self["Set-Cookie"] ||= ""
     end
 
     def each(&callback)
@@ -196,22 +198,24 @@ module ActionDispatch # :nodoc:
 
     private
       def handle_conditional_get!
-        if etag? || last_modified?
+        if etag? || last_modified? || !cache_control.empty?
           set_conditional_cache_control!
         elsif nonempty_ok_response?
           self.etag = body
 
           if request && request.etag_matches?(etag)
-            self.status = '304 Not Modified'
+            self.status = 304
             self.body = []
           end
 
           set_conditional_cache_control!
+        else
+          headers["Cache-Control"] = "no-cache"
         end
       end
 
       def nonempty_ok_response?
-        ok = !status || status.to_s[0..2] == '200'
+        ok = !@status || @status == 200
         ok && string_body?
       end
 
@@ -220,40 +224,20 @@ module ActionDispatch # :nodoc:
       end
 
       def set_conditional_cache_control!
-        if headers['Cache-Control'] == DEFAULT_HEADERS['Cache-Control']
-          headers['Cache-Control'] = 'private, max-age=0, must-revalidate'
+        if cache_control.empty?
+          cache_control.merge!(:public => false, :max_age => 0, :must_revalidate => true)
         end
-      end
 
-      def convert_content_type!
-        headers['Content-Type'] ||= "text/html"
-        headers['Content-Type'] += "; charset=" + headers.delete('charset') if headers['charset']
-      end
+        public_cache, max_age, must_revalidate, extras =
+          cache_control.values_at(:public, :max_age, :must_revalidate, :extras)
 
-      # Don't set the Content-Length for block-based bodies as that would mean
-      # reading it all into memory. Not nice for, say, a 2GB streaming file.
-      def set_content_length!
-        if status && status.to_s[0..2] == '204'
-          headers.delete('Content-Length')
-        elsif length = headers['Content-Length']
-          headers['Content-Length'] = length.to_s
-        elsif string_body? && (!status || status.to_s[0..2] != '304')
-          headers["Content-Length"] = Rack::Utils.bytesize(body).to_s
-        end
-      end
-
-      def convert_language!
-        headers["Content-Language"] = headers.delete("language") if headers["language"]
-      end
+        options = []
+        options << "max-age=#{max_age}" if max_age
+        options << (public_cache ? "public" : "private")
+        options << "must-revalidate" if must_revalidate
+        options.concat(extras) if extras
 
-      def convert_cookies!
-        headers['Set-Cookie'] =
-          if header = headers['Set-Cookie']
-            header = header.split("\n") if header.respond_to?(:to_str)
-            header.compact
-          else
-            []
-          end
+        headers["Cache-Control"] = options.join(", ")
       end
   end
 end
diff --git a/actionpack/lib/action_view/context.rb b/actionpack/lib/action_view/context.rb
index f212fe25eb..df078a7151 100644
--- a/actionpack/lib/action_view/context.rb
+++ b/actionpack/lib/action_view/context.rb
@@ -12,11 +12,11 @@ module ActionView
   #
   # Context.for_controller[controller] Create a new ActionView instance for a
   #   controller
-  # Context#_render_partial_from_controller[options]
+  # Context#render_partial[options]
   #   - responsible for setting options[:_template]
   #   - Returns String with the rendered partial
   #   options<Hash>:: see _render_partial in ActionView::Base
-  # Context#_render_template_from_controller[template, layout, options, partial]
+  # Context#render_template[template, layout, options, partial]
   #   - Returns String with the rendered template
   #   template<ActionView::Template>:: The template to render
   #   layout<ActionView::Template>:: The layout to render around the template
diff --git a/actionpack/lib/action_view/helpers/asset_tag_helper.rb b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
index 081003bcf3..c71840d41f 100644
--- a/actionpack/lib/action_view/helpers/asset_tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
@@ -171,7 +171,7 @@ module ActionView
       end
 
       # Computes the path to a javascript asset in the public javascripts directory.
-      # If the +source+ filename has no extension, .js will be appended.
+      # If the +source+ filename has no extension, .js will be appended (except for explicit URIs)
       # Full paths from the document root will be passed through.
       # Used internally by javascript_include_tag to build the script path.
       #
@@ -179,7 +179,7 @@ module ActionView
       #   javascript_path "xmlhr" # => /javascripts/xmlhr.js
       #   javascript_path "dir/xmlhr.js" # => /javascripts/dir/xmlhr.js
       #   javascript_path "/dir/xmlhr" # => /dir/xmlhr.js
-      #   javascript_path "http://www.railsapplication.com/js/xmlhr" # => http://www.railsapplication.com/js/xmlhr.js
+      #   javascript_path "http://www.railsapplication.com/js/xmlhr" # => http://www.railsapplication.com/js/xmlhr
       #   javascript_path "http://www.railsapplication.com/js/xmlhr.js" # => http://www.railsapplication.com/js/xmlhr.js
       def javascript_path(source)
         compute_public_path(source, 'javascripts', 'js')
@@ -337,7 +337,7 @@ module ActionView
       end
 
       # Computes the path to a stylesheet asset in the public stylesheets directory.
-      # If the +source+ filename has no extension, <tt>.css</tt> will be appended.
+      # If the +source+ filename has no extension, <tt>.css</tt> will be appended (except for explicit URIs).
       # Full paths from the document root will be passed through.
       # Used internally by +stylesheet_link_tag+ to build the stylesheet path.
       #
@@ -345,8 +345,8 @@ module ActionView
       #   stylesheet_path "style" # => /stylesheets/style.css
       #   stylesheet_path "dir/style.css" # => /stylesheets/dir/style.css
       #   stylesheet_path "/dir/style.css" # => /dir/style.css
-      #   stylesheet_path "http://www.railsapplication.com/css/style" # => http://www.railsapplication.com/css/style.css
-      #   stylesheet_path "http://www.railsapplication.com/css/style.js" # => http://www.railsapplication.com/css/style.css
+      #   stylesheet_path "http://www.railsapplication.com/css/style" # => http://www.railsapplication.com/css/style
+      #   stylesheet_path "http://www.railsapplication.com/css/style.css" # => http://www.railsapplication.com/css/style.css
       def stylesheet_path(source)
         compute_public_path(source, 'stylesheets', 'css')
       end
@@ -629,11 +629,11 @@ module ActionView
           has_request = @controller.respond_to?(:request)
 
           source_ext = File.extname(source)[1..-1]
-          if ext && (source_ext.blank? || (ext != source_ext && File.exist?(File.join(ASSETS_DIR, dir, "#{source}.#{ext}"))))
+          if ext && !is_uri?(source) && (source_ext.blank? || (ext != source_ext && File.exist?(File.join(ASSETS_DIR, dir, "#{source}.#{ext}"))))
             source += ".#{ext}"
           end
 
-          unless source =~ %r{^[-a-z]+://}
+          unless is_uri?(source)
             source = "/#{dir}/#{source}" unless source[0] == ?/
 
             source = rewrite_asset_path(source)
@@ -645,10 +645,10 @@ module ActionView
             end
           end
 
-          if include_host && source !~ %r{^[-a-z]+://}
+          if include_host && !is_uri?(source)
             host = compute_asset_host(source)
 
-            if has_request && !host.blank? && host !~ %r{^[-a-z]+://}
+            if has_request && !host.blank? && !is_uri?(host)
               host = "#{@controller.request.protocol}#{host}"
             end
 
@@ -658,6 +658,10 @@ module ActionView
           end
         end
 
+        def is_uri?(path)
+          path =~ %r{^[-a-z]+://}
+        end
+
         # Pick an asset host for this source. Returns +nil+ if no host is set,
         # the host if no wildcard is set, the host interpolated with the
         # numbers 0-3 if it contains <tt>%d</tt> (the number is the source hash mod 4),
@@ -798,7 +802,7 @@ module ActionView
         end
 
         def asset_file_path!(path)
-          unless path =~ %r{^[-a-z]+://}
+          unless is_uri?(path)
             absolute_path = asset_file_path(path)
             raise(Errno::ENOENT, "Asset file not found at '#{absolute_path}'" ) unless File.exist?(absolute_path)
             return absolute_path
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb
index 2d1d19d5f3..6e2990e084 100644
--- a/actionpack/lib/action_view/helpers/form_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_helper.rb
@@ -932,6 +932,10 @@ module ActionView
 
       attr_accessor :object_name, :object, :options
 
+      def self.model_name
+        @model_name ||= Struct.new(:partial_path).new(name.demodulize.underscore.sub!(/_builder$/, ''))
+      end
+
       def initialize(object_name, object, template, options, proc)
         @nested_child_index = {}
         @object_name, @object, @template, @options, @proc = object_name, object, template, options, proc
diff --git a/actionpack/lib/action_view/render/partials.rb b/actionpack/lib/action_view/render/partials.rb
index ccb14d513a..b7b14e9007 100644
--- a/actionpack/lib/action_view/render/partials.rb
+++ b/actionpack/lib/action_view/render/partials.rb
@@ -172,131 +172,89 @@ module ActionView
   module Partials
     extend ActiveSupport::Memoizable
     extend ActiveSupport::Concern
-    
+
     included do
-      attr_accessor :_partial      
+      attr_accessor :_partial
+    end
+
+    module ClassMethods
+      def _partial_names
+        @_partial_names ||= ActiveSupport::ConcurrentHash.new
+      end
     end
 
-    def _render_partial_from_controller(*args)
+    def render_partial(options)
       @assigns_added = false
-      _render_partial(*args)
+      _render_partial(options)
     end
 
-    def _render_partial(options = {}) #:nodoc:
+    def _render_partial(options, &block) #:nodoc:
       options[:locals] ||= {}
 
-      case path = partial = options[:partial]
-      when *_array_like_objects
-        return _render_partial_collection(partial, options)
-      else
-        if partial.is_a?(ActionView::Helpers::FormBuilder)
-          path = partial.class.to_s.demodulize.underscore.sub(/_builder$/, '')
-          options[:locals].merge!(path.to_sym => partial)
-        elsif !partial.is_a?(String)
-          options[:object] = object = partial
-          path = ActionController::RecordIdentifier.partial_path(object, controller_path)
-        end
-        _, _, prefix, object = parts = partial_parts(path, options)
-        parts[1] = {:formats => parts[1]}
-        template = find_by_parts(*parts)
-        _render_partial_object(template, options, (object unless object == true))
+      path = partial = options[:partial]
+
+      if partial.respond_to?(:to_ary)
+        return _render_partial_collection(partial, options, &block)
+      elsif !partial.is_a?(String)
+        options[:object] = object = partial
+        path = _partial_path(object)
       end
+
+      _render_partial_object(_pick_partial_template(path), options, &block)
     end
 
     private
-      def partial_parts(name, options)
-        segments = name.split("/")
-        parts = segments.pop.split(".")
-
-        case parts.size
-        when 1
-          parts
-        when 2, 3
-          extension = parts.delete_at(1).to_sym
-          if formats.include?(extension)
-            self.formats.replace [extension]
+      def _partial_path(object)
+        self.class._partial_names[[controller.class, object.class]] ||= begin
+          name = object.class.model_name
+          if controller_path && controller_path.include?("/")
+            File.join(File.dirname(controller_path), name.partial_path)
+          else
+            name.partial_path
           end
-          parts.pop if parts.size == 2
         end
-
-        path = parts.join(".")
-        prefix = segments[0..-1].join("/")
-        prefix = prefix.blank? ? controller_path : prefix
-        parts = [path, formats, prefix]
-        parts.push options[:object] || true
-      end
-
-      def _render_partial_with_block(layout, block, options)
-        @_proc_for_layout = block
-        concat(_render_partial(options.merge(:partial => layout)))
-      ensure
-        @_proc_for_layout = nil
       end
 
-      def _render_partial_with_layout(layout, options)
-        if layout
-          prefix = controller && !layout.include?("/") ? controller.controller_path : nil
-          layout = find_by_parts(layout, {:formats => formats}, prefix, true)
-        end
-        content = _render_partial(options)
-        return _render_content_with_layout(content, layout, options[:locals])
-      end
+      def _render_partial_template(template, locals, object, options = {}, &block)
+        options[:_template] = template
+        locals[:object] = locals[template.variable_name] = object
+        locals[options[:as]] = object if options[:as]
 
-      def _array_like_objects
-        array_like = [Array]
-        if defined?(ActiveRecord)
-          array_like.push(ActiveRecord::Associations::AssociationCollection, ActiveRecord::NamedScope::Scope)
-        end
-        array_like
+        _render_single_template(template, locals, &block)
       end
 
-      def _render_partial_object(template, options, object = nil)
+      def _render_partial_object(template, options, &block)
         if options.key?(:collection)
-          _render_partial_collection(options.delete(:collection), options, template)
+          _render_partial_collection(options.delete(:collection), options, template, &block)
         else
           locals = (options[:locals] ||= {})
-          object ||= locals[:object] || locals[template.variable_name]
-          
-          _set_locals(object, locals, template, options)
-          
-          options[:_template] = template
-          
-          _render_template(template, locals)
-        end
-      end
+          object = options[:object] || locals[:object] || locals[template.variable_name]
 
-      def _set_locals(object, locals, template, options)
-        locals[:object] = locals[template.variable_name] = object
-        locals[options[:as]] = object if options[:as]
+          _render_partial_template(template, locals, object, options, &block)
+        end
       end
 
-      def _render_partial_collection(collection, options = {}, passed_template = nil) #:nodoc:
+      def _render_partial_collection(collection, options = {}, template = nil, &block) #:nodoc:
         return nil if collection.blank?
-        
-        spacer = options[:spacer_template] ? _render_partial(:partial => options[:spacer_template]) : ''
 
-        locals = (options[:locals] ||= {})
-        index, @_partial_path = 0, nil
-        collection.map do |object|
-          options[:_template] = template = passed_template || begin
-            _partial_path = 
-              ActionController::RecordIdentifier.partial_path(object, controller_path)
-            template = _pick_partial_template(_partial_path)
-          end
+        if options.key?(:spacer_template)
+          spacer = _render_partial(:partial => options[:spacer_template])
+        end
 
-          _set_locals(object, locals, template, options)
-          locals[template.counter_name] = index
-          
+        locals, index = options[:locals] || {}, 0
+
+        collection.map do |object|
+          tmp = template || _pick_partial_template(_partial_path(object))
+          locals[tmp.counter_name] = index
           index += 1
-          
-          _render_template(template, locals)
+
+          _render_partial_template(tmp, locals, object, options, &block)
         end.join(spacer)
       end
 
       def _pick_partial_template(partial_path) #:nodoc:
-        prefix = controller_path unless partial_path.include?('/')
+        prefix = controller_path unless partial_path.include?(?/)
         find_by_parts(partial_path, {:formats => formats}, prefix, true)
       end
-      memoize :_pick_partial_template
   end
 end
diff --git a/actionpack/lib/action_view/render/rendering.rb b/actionpack/lib/action_view/render/rendering.rb
index 162e38c484..9c25fab6bb 100644
--- a/actionpack/lib/action_view/render/rendering.rb
+++ b/actionpack/lib/action_view/render/rendering.rb
@@ -10,24 +10,25 @@ module ActionView
     #
     # If no options hash is passed or :update specified, the default is to render a partial and use the second parameter
     # as the locals hash.
-    def render(options = {}, local_assigns = {}, &block) #:nodoc:
-      local_assigns ||= {}
-
-      @exempt_from_layout = true
-
+    def render(options = {}, locals = {}, &block) #:nodoc:
       case options
+      when String, NilClass
+        _render_partial(:partial => options, :locals => locals || {})
       when Hash
-        options[:locals] ||= {}
         layout = options[:layout]
-            
-        return _render_partial_with_layout(layout, options) if options.key?(:partial)
-        return _render_partial_with_block(layout, block, options) if block_given?
-    
+
+        if block_given?
+          return concat(_render_partial(options.merge(:partial => layout), &block))
+        elsif options.key?(:partial)
+          layout = _pick_partial_template(layout) if layout
+          return _render_content(_render_partial(options), layout, options[:locals])
+        end
+
         layout = find_by_parts(layout, {:formats => formats}) if layout
-    
+
         if file = options[:file]
           template = find_by_parts(file, {:formats => formats})
-          _render_template_with_layout(template, layout, :locals => options[:locals])
+          _render_template(template, layout, :locals => options[:locals] || {})
         elsif inline = options[:inline]
           _render_inline(inline, layout, options)
         elsif text = options[:text]
@@ -35,35 +36,33 @@ module ActionView
         end
       when :update
         update_page(&block)
-      when String, NilClass
-        _render_partial(:partial => options, :locals => local_assigns)
       end
     end
-    
-    def _render_content_with_layout(content, layout, locals)
+
+    def _render_content(content, layout, locals)
       return content unless layout
-  
+
       locals ||= {}
 
       if controller && layout
         @_layout = layout.identifier
         logger.info("Rendering template within #{layout.identifier}") if logger
       end
-  
+
       begin
         old_content, @_content_for[:layout] = @_content_for[:layout], content
 
         @cached_content_for_layout = @_content_for[:layout]
-        _render_template(layout, locals)
+        _render_single_template(layout, locals)
       ensure
         @_content_for[:layout] = old_content
       end
     end
 
-    # You can think of a layout as a method that is called with a block. This method
-    # returns the block that the layout is called with. If the user calls yield :some_name,
-    # the block, by default, returns content_for(:some_name). If the user calls yield,
-    # the default block returns content_for(:layout).
+    # You can think of a layout as a method that is called with a block. _layout_for
+    # returns the contents that are yielded to the layout. If the user calls yield
+    # :some_name, the block, by default, returns content_for(:some_name). If the user
+    # calls yield, the default block returns content_for(:layout).
     #
     # The user can override this default by passing a block to the layout.
     #
@@ -92,15 +91,28 @@ module ActionView
     # In this case, the layout would receive the block passed into <tt>render :layout</tt>,
     # and the Struct specified in the layout would be passed into the block. The result
     # would be <html>Hello David</html>.
-    def layout_proc(name)
-      @_default_layout ||= proc { |*names| @_content_for[names.first || :layout] }
-      !@_content_for.key?(name) && @_proc_for_layout || @_default_layout
+    def _layout_for(names, &block)
+      with_output_buffer do
+        # This is due to the potentially ambiguous use of yield when
+        # a block is passed in to a template *and* there is a content_for()
+        # of the same name. Suggested solution: require explicit use of content_for
+        # in these ambiguous cases.
+        #
+        # We would be able to continue supporting yield in all non-ambiguous
+        # cases. Question: should we deprecate yield in favor of content_for
+        # and reserve yield for cases where there is a yield into a real block?
+        if @_content_for.key?(names.first) || !block_given?
+          return @_content_for[names.first || :layout]
+        else
+          return yield(names)
+        end
+      end
     end
 
-    def _render_template(template, local_assigns = {})
+    def _render_single_template(template, locals = {}, &block)
       with_template(template) do
-        template.render(self, local_assigns) do |*names|
-          capture(*names, &layout_proc(names.first))
+        template.render(self, locals) do |*names|
+          _layout_for(names, &block)
         end
       end
     rescue Exception => e
@@ -115,32 +127,42 @@ module ActionView
     def _render_inline(inline, layout, options)
       handler = Template.handler_class_for_extension(options[:type] || "erb")
       template = Template.new(options[:inline], "inline #{options[:inline].inspect}", handler, {})
-      content = _render_template(template, options[:locals] || {})
-      layout ? _render_content_with_layout(content, layout, options[:locals]) : content
+      content = _render_single_template(template, options[:locals] || {})
+      layout ? _render_content(content, layout, options[:locals]) : content
     end
 
     def _render_text(text, layout, options)
-      layout ? _render_content_with_layout(text, layout, options[:locals]) : text
+      layout ? _render_content(text, layout, options[:locals]) : text
     end
 
-    def _render_template_from_controller(*args)
+    # This is the API to render a ViewContext's template from a controller.
+    #
+    # Internal Options:
+    # _template:: The Template object to render
+    # _layout::   The layout, if any, to wrap the Template in
+    # _partial::  true if the template is a partial
+    def render_template(options)
       @assigns_added = nil
-      _render_template_with_layout(*args)
+      template, layout, partial = options.values_at(:_template, :_layout, :_partial)
+      _render_template(template, layout, options, partial)
     end
 
-    def _render_template_with_layout(template, layout = nil, options = {}, partial = false)
-      logger && logger.info("Rendering #{template.identifier}#{' (#{options[:status]})' if options[:status]}")
+    def _render_template(template, layout = nil, options = {}, partial = nil)
+      logger && logger.info do
+        msg = "Rendering #{template.identifier}"
+        msg << " (#{options[:status]})" if options[:status]
+        msg
+      end
 
       locals = options[:locals] || {}
 
       content = if partial
-        object = partial unless partial == true
-        _render_partial_object(template, options, object)
+        _render_partial_object(template, options)
       else
-        _render_template(template, locals)
+        _render_single_template(template, locals)
       end
-  
-      layout ? _render_content_with_layout(content, layout, locals) : content
+
+      _render_content(content, layout, locals)
     end
   end
 end
\ No newline at end of file
diff --git a/actionpack/lib/action_view/test_case.rb b/actionpack/lib/action_view/test_case.rb
index 3f3951509a..e51744d095 100644
--- a/actionpack/lib/action_view/test_case.rb
+++ b/actionpack/lib/action_view/test_case.rb
@@ -9,14 +9,14 @@ module ActionView
     end
 
     attr_internal :rendered
-    alias_method :_render_template_without_template_tracking, :_render_template
-    def _render_template(template, local_assigns = {})
+    alias_method :_render_template_without_template_tracking, :_render_single_template
+    def _render_single_template(template, local_assigns, &block)
       if template.respond_to?(:identifier) && template.present?
         @_rendered[:partials][template] += 1 if template.partial?
         @_rendered[:template] ||= []
         @_rendered[:template] << template
       end
-      _render_template_without_template_tracking(template, local_assigns)
+      _render_template_without_template_tracking(template, local_assigns, &block)
     end
   end
 
diff --git a/actionpack/test/abstract_controller/test_helper.rb b/actionpack/test/abstract_controller/test_helper.rb
index 915054f7fb..ba4302d914 100644
--- a/actionpack/test/abstract_controller/test_helper.rb
+++ b/actionpack/test/abstract_controller/test_helper.rb
@@ -6,7 +6,7 @@ require 'rubygems'
 require 'test/unit'
 require 'active_support'
 require 'active_support/test_case'
-require 'action_controller/abstract'
+require 'abstract_controller'
 require 'action_view'
 require 'action_view/base'
 require 'action_dispatch'
diff --git a/actionpack/test/abstract_unit.rb b/actionpack/test/abstract_unit.rb
index 6e71b85645..b062a71442 100644
--- a/actionpack/test/abstract_unit.rb
+++ b/actionpack/test/abstract_unit.rb
@@ -13,7 +13,6 @@ require 'test/unit'
 require 'active_support'
 
 require 'active_support/test_case'
-require 'action_controller/abstract'
 require 'action_controller'
 require 'fixture_template'
 require 'action_controller/testing/process'
@@ -78,7 +77,7 @@ module ActionController
     def assert_template(options = {}, message = nil)
       validate_request!
 
-      hax = @controller._action_view.instance_variable_get(:@_rendered)
+      hax = @controller.view_context.instance_variable_get(:@_rendered)
 
       case options
       when NilClass, String
diff --git a/actionpack/test/controller/logging_test.rb b/actionpack/test/controller/logging_test.rb
index a7ed1b8665..98ffbc3813 100644
--- a/actionpack/test/controller/logging_test.rb
+++ b/actionpack/test/controller/logging_test.rb
@@ -17,9 +17,10 @@ class LoggingTest < ActionController::TestCase
       @level = Logger::DEBUG
     end
     
-    def method_missing(method, *args)
+    def method_missing(method, *args, &blk)
       @logged ||= []
       @logged << args.first
+      @logged << blk.call if block_given?
     end
   end
 
diff --git a/actionpack/test/controller/record_identifier_test.rb b/actionpack/test/controller/record_identifier_test.rb
index 44e49ed3f8..6b6d154faa 100644
--- a/actionpack/test/controller/record_identifier_test.rb
+++ b/actionpack/test/controller/record_identifier_test.rb
@@ -54,24 +54,6 @@ class RecordIdentifierTest < Test::Unit::TestCase
     assert_equal "edit_#{@singular}_1", dom_id(@record, :edit)
   end
 
-  def test_partial_path
-    expected = "#{@plural}/#{@singular}"
-    assert_equal expected, partial_path(@record)
-    assert_equal expected, partial_path(Comment)
-  end
-
-  def test_partial_path_with_namespaced_controller_path
-    expected = "admin/#{@plural}/#{@singular}"
-    assert_equal expected, partial_path(@record, "admin/posts")
-    assert_equal expected, partial_path(@klass, "admin/posts")
-  end
-
-  def test_partial_path_with_not_namespaced_controller_path
-    expected = "#{@plural}/#{@singular}"
-    assert_equal expected, partial_path(@record, "posts")
-    assert_equal expected, partial_path(@klass, "posts")
-  end
-
   def test_dom_class
     assert_equal @singular, dom_class(@record)
   end
@@ -101,42 +83,3 @@ class RecordIdentifierTest < Test::Unit::TestCase
       RecordIdentifier.send(method, *args)
     end
 end
-
-class NestedRecordIdentifierTest < RecordIdentifierTest
-  def setup
-    @klass  = Comment::Nested
-    @record = @klass.new
-    @singular = 'comment_nested'
-    @plural = 'comment_nesteds'
-  end
-
-  def test_partial_path
-    expected = "comment/nesteds/nested"
-    assert_equal expected, partial_path(@record)
-    assert_equal expected, partial_path(Comment::Nested)
-  end
-
-  def test_partial_path_with_namespaced_controller_path
-    expected = "admin/comment/nesteds/nested"
-    assert_equal expected, partial_path(@record, "admin/posts")
-    assert_equal expected, partial_path(@klass, "admin/posts")
-  end
-
-  def test_partial_path_with_deeper_namespaced_controller_path
-    expected = "deeper/admin/comment/nesteds/nested"
-    assert_equal expected, partial_path(@record, "deeper/admin/posts")
-    assert_equal expected, partial_path(@klass, "deeper/admin/posts")
-  end
-
-  def test_partial_path_with_even_deeper_namespaced_controller_path
-    expected = "even/more/deeper/admin/comment/nesteds/nested"
-    assert_equal expected, partial_path(@record, "even/more/deeper/admin/posts")
-    assert_equal expected, partial_path(@klass, "even/more/deeper/admin/posts")
-  end
-
-  def test_partial_path_with_not_namespaced_controller_path
-    expected = "comment/nesteds/nested"
-    assert_equal expected, partial_path(@record, "posts")
-    assert_equal expected, partial_path(@klass, "posts")
-  end
-end
diff --git a/actionpack/test/controller/render_test.rb b/actionpack/test/controller/render_test.rb
index acb0c895e0..947ffa9ea6 100644
--- a/actionpack/test/controller/render_test.rb
+++ b/actionpack/test/controller/render_test.rb
@@ -17,8 +17,9 @@ class MockLogger
     @logged = []
   end
 
-  def method_missing(method, *args)
+  def method_missing(method, *args, &blk)
     @logged << args.first
+    @logged << blk.call if block_given?
   end
 end
 
@@ -1331,7 +1332,7 @@ class EtagRenderTest < ActionController::TestCase
   def test_render_200_should_set_etag
     get :render_hello_world_from_variable
     assert_equal etag_for("hello david"), @response.headers['ETag']
-    assert_equal "private, max-age=0, must-revalidate", @response.headers['Cache-Control']
+    assert_equal "max-age=0, private, must-revalidate", @response.headers['Cache-Control']
   end
 
   def test_render_against_etag_request_should_304_when_match
diff --git a/actionpack/test/controller/send_file_test.rb b/actionpack/test/controller/send_file_test.rb
index ae32ee5649..0afebac68c 100644
--- a/actionpack/test/controller/send_file_test.rb
+++ b/actionpack/test/controller/send_file_test.rb
@@ -1,9 +1,10 @@
+# encoding: utf-8
 require 'abstract_unit'
 
 module TestFileUtils
   def file_name() File.basename(__FILE__) end
   def file_path() File.expand_path(__FILE__) end
-  def file_data() File.open(file_path, 'rb') { |f| f.read } end
+  def file_data() @data ||= File.open(file_path, 'rb') { |f| f.read } end
 end
 
 class SendFileController < ActionController::Base
@@ -22,6 +23,10 @@ class SendFileController < ActionController::Base
   def data
     send_data(file_data, options)
   end
+
+  def multibyte_text_data
+    send_data("Кирилица\n祝您好運", options)
+  end
 end
 
 class SendFileTest < ActionController::TestCase
@@ -55,6 +60,7 @@ class SendFileTest < ActionController::TestCase
       require 'stringio'
       output = StringIO.new
       output.binmode
+      output.string.force_encoding(file_data.encoding) if output.string.respond_to?(:force_encoding)
       assert_nothing_raised { response.body_parts.each { |part| output << part.to_s } }
       assert_equal file_data, output.string
     end
@@ -123,7 +129,7 @@ class SendFileTest < ActionController::TestCase
     # test overriding Cache-Control: no-cache header to fix IE open/save dialog
     @controller.headers = { 'Cache-Control' => 'no-cache' }
     @controller.send(:send_file_headers!, options)
-    h = @controller.headers
+    @controller.response.prepare!
     assert_equal 'private', h['Cache-Control']
   end
 
@@ -163,4 +169,11 @@ class SendFileTest < ActionController::TestCase
       assert_equal 200, @response.status
     end
   end
+
+  def test_send_data_content_length_header
+    @controller.headers = {}
+    @controller.options = { :type => :text, :filename => 'file_with_utf8_text' }
+    process('multibyte_text_data')
+    assert_equal '29', @controller.headers['Content-Length']
+  end
 end
diff --git a/actionpack/test/dispatch/request/multipart_params_parsing_test.rb b/actionpack/test/dispatch/request/multipart_params_parsing_test.rb
index 9e008a9ae8..301080842e 100644
--- a/actionpack/test/dispatch/request/multipart_params_parsing_test.rb
+++ b/actionpack/test/dispatch/request/multipart_params_parsing_test.rb
@@ -120,8 +120,6 @@ class MultipartParamsParsingTest < ActionController::IntegrationTest
       fixture = FIXTURE_PATH + "/mona_lisa.jpg"
       params = { :uploaded_data => fixture_file_upload(fixture, "image/jpg") }
       post '/read', params
-      expected_length = 'File: '.length + File.size(fixture)
-      assert_equal expected_length, response.content_length
     end
   end
 
diff --git a/actionpack/test/dispatch/response_test.rb b/actionpack/test/dispatch/response_test.rb
index 2ddc6cb2b5..256ed06a45 100644
--- a/actionpack/test/dispatch/response_test.rb
+++ b/actionpack/test/dispatch/response_test.rb
@@ -13,10 +13,9 @@ class ResponseTest < ActiveSupport::TestCase
     assert_equal 200, status
     assert_equal({
       "Content-Type" => "text/html; charset=utf-8",
-      "Cache-Control" => "private, max-age=0, must-revalidate",
+      "Cache-Control" => "max-age=0, private, must-revalidate",
       "ETag" => '"65a8e27d8879283831b664bd8b7f0ad4"',
-      "Set-Cookie" => "",
-      "Content-Length" => "13"
+      "Set-Cookie" => ""
     }, headers)
 
     parts = []
@@ -32,10 +31,9 @@ class ResponseTest < ActiveSupport::TestCase
     assert_equal 200, status
     assert_equal({
       "Content-Type" => "text/html; charset=utf-8",
-      "Cache-Control" => "private, max-age=0, must-revalidate",
+      "Cache-Control" => "max-age=0, private, must-revalidate",
       "ETag" => '"ebb5e89e8a94e9dd22abf5d915d112b2"',
-      "Set-Cookie" => "",
-      "Content-Length" => "8"
+      "Set-Cookie" => ""
     }, headers)
   end
 
diff --git a/actionpack/test/new_base/base_test.rb b/actionpack/test/new_base/base_test.rb
index d9d552f9e5..1b2e917ced 100644
--- a/actionpack/test/new_base/base_test.rb
+++ b/actionpack/test/new_base/base_test.rb
@@ -34,7 +34,6 @@ module Dispatching
       assert_body "success"
       assert_status 200
       assert_content_type "text/html; charset=utf-8"
-      assert_header "Content-Length", "7"
     end
 
     # :api: plugin
@@ -42,7 +41,6 @@ module Dispatching
       get "/dispatching/simple/modify_response_body"
 
       assert_body "success"
-      assert_header "Content-Length", "7" # setting the body manually sets the content length
     end
 
     # :api: plugin
@@ -50,7 +48,6 @@ module Dispatching
       get "/dispatching/simple/modify_response_body_twice"
 
       assert_body "success!"
-      assert_header "Content-Length", "8"
     end
 
     test "controller path" do
diff --git a/actionpack/test/template/asset_tag_helper_test.rb b/actionpack/test/template/asset_tag_helper_test.rb
index 08963946ab..28f9d48671 100644
--- a/actionpack/test/template/asset_tag_helper_test.rb
+++ b/actionpack/test/template/asset_tag_helper_test.rb
@@ -83,7 +83,10 @@ class AssetTagHelperTest < ActionView::TestCase
     %(javascript_include_tag(:all)) => %(<script src="/javascripts/prototype.js" type="text/javascript"></script>\n<script src="/javascripts/effects.js" type="text/javascript"></script>\n<script src="/javascripts/dragdrop.js" type="text/javascript"></script>\n<script src="/javascripts/controls.js" type="text/javascript"></script>\n<script src="/javascripts/application.js" type="text/javascript"></script>\n<script src="/javascripts/bank.js" type="text/javascript"></script>\n<script src="/javascripts/robber.js" type="text/javascript"></script>\n<script src="/javascripts/version.1.0.js" type="text/javascript"></script>),
     %(javascript_include_tag(:all, :recursive => true)) => %(<script src="/javascripts/prototype.js" type="text/javascript"></script>\n<script src="/javascripts/effects.js" type="text/javascript"></script>\n<script src="/javascripts/dragdrop.js" type="text/javascript"></script>\n<script src="/javascripts/controls.js" type="text/javascript"></script>\n<script src="/javascripts/application.js" type="text/javascript"></script>\n<script src="/javascripts/bank.js" type="text/javascript"></script>\n<script src="/javascripts/robber.js" type="text/javascript"></script>\n<script src="/javascripts/subdir/subdir.js" type="text/javascript"></script>\n<script src="/javascripts/version.1.0.js" type="text/javascript"></script>),
     %(javascript_include_tag(:defaults, "bank")) => %(<script src="/javascripts/prototype.js" type="text/javascript"></script>\n<script src="/javascripts/effects.js" type="text/javascript"></script>\n<script src="/javascripts/dragdrop.js" type="text/javascript"></script>\n<script src="/javascripts/controls.js" type="text/javascript"></script>\n<script src="/javascripts/bank.js" type="text/javascript"></script>\n<script src="/javascripts/application.js" type="text/javascript"></script>),
-    %(javascript_include_tag("bank", :defaults)) => %(<script src="/javascripts/bank.js" type="text/javascript"></script>\n<script src="/javascripts/prototype.js" type="text/javascript"></script>\n<script src="/javascripts/effects.js" type="text/javascript"></script>\n<script src="/javascripts/dragdrop.js" type="text/javascript"></script>\n<script src="/javascripts/controls.js" type="text/javascript"></script>\n<script src="/javascripts/application.js" type="text/javascript"></script>)
+    %(javascript_include_tag("bank", :defaults)) => %(<script src="/javascripts/bank.js" type="text/javascript"></script>\n<script src="/javascripts/prototype.js" type="text/javascript"></script>\n<script src="/javascripts/effects.js" type="text/javascript"></script>\n<script src="/javascripts/dragdrop.js" type="text/javascript"></script>\n<script src="/javascripts/controls.js" type="text/javascript"></script>\n<script src="/javascripts/application.js" type="text/javascript"></script>),
+
+    %(javascript_include_tag("http://example.com/all")) => %(<script src="http://example.com/all" type="text/javascript"></script>),
+    %(javascript_include_tag("http://example.com/all.js")) => %(<script src="http://example.com/all.js" type="text/javascript"></script>),
   }
 
   StylePathToTag = {
@@ -111,7 +114,8 @@ class AssetTagHelperTest < ActionView::TestCase
     %(stylesheet_link_tag(:all, :media => "all")) => %(<link href="/stylesheets/bank.css" media="all" rel="stylesheet" type="text/css" />\n<link href="/stylesheets/robber.css" media="all" rel="stylesheet" type="text/css" />\n<link href="/stylesheets/version.1.0.css" media="all" rel="stylesheet" type="text/css" />),
     %(stylesheet_link_tag("random.styles", "/elsewhere/file")) => %(<link href="/stylesheets/random.styles" media="screen" rel="stylesheet" type="text/css" />\n<link href="/elsewhere/file.css" media="screen" rel="stylesheet" type="text/css" />),
 
-    %(stylesheet_link_tag("http://www.example.com/styles/style")) => %(<link href="http://www.example.com/styles/style.css" media="screen" rel="stylesheet" type="text/css" />)
+    %(stylesheet_link_tag("http://www.example.com/styles/style")) => %(<link href="http://www.example.com/styles/style" media="screen" rel="stylesheet" type="text/css" />),
+    %(stylesheet_link_tag("http://www.example.com/styles/style.css")) => %(<link href="http://www.example.com/styles/style.css" media="screen" rel="stylesheet" type="text/css" />),
   }
 
   ImagePathToTag = {