if RUBY_VERSION < '1.9' then
  module Net
    class HTTP
      alias :old_keep_alive? :keep_alive?
      def keep_alive?(req, res)
        return false if /close/i =~ req['connection'].to_s
        return false if @seems_1_0_server
        return false if /close/i      =~ res['connection'].to_s
        return true  if /keep-alive/i =~ res['connection'].to_s
        return false if /close/i      =~ res['proxy-connection'].to_s
        return true  if /keep-alive/i =~ res['proxy-connection'].to_s
        (@curr_http_version == '1.1')
      end
    end
  end
end

# Monkey patch for ruby 1.8.4
unless RUBY_VERSION > "1.8.4"
  module Net # :nodoc:
    class HTTPResponse # :nodoc:
      CODE_TO_OBJ['500'] = HTTPInternalServerError
    end
  end
else
  class Mechanize
    class Form
      alias :inspect  :pretty_inspect
    end
    class Page
      alias :inspect  :pretty_inspect
      class Link
        alias :inspect  :pretty_inspect
      end
    end
  end
end