--- CGI.unescapeElement(string, *element)
      ǤHTMLפ᤹

        㡧          
        print CGI::unescapeElement(
                CGI::escapeHTML('<BR><A HREF="url"></A>'), "A", "IMG")
          # => "&lt;BR&gt;<A HREF="url"></A>"

        print CGI::unescapeElement(
                CGI::escapeHTML('<BR><A HREF="url"></A>'), ["A", "IMG"])
          # => "&lt;BR&gt;<A HREF="url"></A>"
#=== MAKE RFC1123 DATE STRING

