# File lib/rack/request.rb, line 187
    def GET
      if @env["rack.request.query_string"] == query_string
        @env["rack.request.query_hash"]
      else
        p = parse_query({ :query => query_string, :separator => '&;' })
        @env["rack.request.query_string"] = query_string
        @env["rack.request.query_hash"]   = p
      end
    end