code: def each_meta_redirect
        return enum_for(__method__) unless block_given?
  
        if (html? && doc)
          search('//meta[@http-equiv and @content]').each do |node|
            if node.get_attribute('http-equiv') =~ /refresh/i
              content = node.get_attribute('content')
  
              if (redirect = content.match(/url=(\S+)$/))
                yield redirect[1]
              end
            end
          end
        end
      end
docs: Enumerates over the meta-redirect links in the page.
  
   @yield [link]
     If a block is given, it will be passed every meta-redirect link
     from the page.
  
   @yieldparam [String] link
     A meta-redirect link from the page.
  
   @return [Enumerator]
     If no block is given, an enumerator object will be returned.
  
   @since 0.3.0