# File lib_wpm/wpm.rb, line 621
    def redirect(page_name, query_params=nil)
      env = self.env
      uri = 'http://'
      uri << env['SERVER_NAME'] << ':' << env['SERVER_PORT'] << page_path(page_name)
      if (query_params) then
        sep = '?'
        for name, value in query_params
          uri << sep << escapeURL(name)
          uri << '=' << escapeURL(value) if value
          sep = '&'
        end
      end
      set_location(uri, 303)
      nil
    end