# File lib/rbot/core/utils/utils.rb, line 642
    def Utils.check_location(ds, rx)
      debug ds[:headers]
      if h = ds[:headers]
        loc = [h['x-rbot-location'],h['location']].flatten.grep(rx)
      end
      loc ||= []
      debug loc
      return loc.empty? ? nil : loc
    end