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+= Action Pack -- From request to response
+
+Action Pack is a framework for handling and responding to web requests. It
+provides mechanisms for *routing* (mapping request URLs to actions), defining
+*controllers* that implement actions, and generating responses by rendering
+*views*, which are templates of various formats. In short, Action Pack
+provides the view and controller layers in the MVC paradigm.
+
+It consists of several modules:
+
+* Action Dispatch, which parses information about the web request, handles
+  routing as defined by the user, and does advanced processing related to HTTP
+  such as MIME-type negotiation, decoding parameters in POST, PATCH, or PUT bodies,
+  handling HTTP caching logic, cookies and sessions.
+
+* Action Controller, which provides a base controller class that can be
+  subclassed to implement filters and actions to handle requests. The result
+  of an action is typically content generated from views.
+
+With the Ruby on Rails framework, users only directly interface with the
+Action Controller module. Necessary Action Dispatch functionality is activated
+by default and Action View rendering is implicitly triggered by Action
+Controller. However, these modules are designed to function on their own and
+can be used outside of Rails.
+
+
+== Download and installation
+
+The latest version of Action Pack can be installed with RubyGems:
+
+  % [sudo] gem install actionpack
+
+Source code can be downloaded as part of the Rails project on GitHub
+
+* https://github.com/rails/rails/tree/master/actionpack
+
+
+== License
+
+Action Pack is released under the MIT license:
+
+* http://www.opensource.org/licenses/MIT
+
+
+== Support
+
+API documentation is at
+
+* http://api.rubyonrails.org
+
+Bug reports can be filed for the Ruby on Rails project here:
+
+* https://github.com/rails/rails/issues
+
+Feature requests should be discussed on the rails-core mailing list here:
+
+* https://groups.google.com/forum/?fromgroups#!forum/rubyonrails-core
+