gen31$ ./sidtest sid=%32%2D%9F%A5%54%12%23%AA%C8%C7%CF%CE%8E%AC Content-type: text/plain sid is: 2-¥T#ھبادخ¬ sid escaped is: 2-%9F%A5T%12%23%AA%C8%C7%CF%CE%8E%AC sid unescaped is: 2-¥T#ھبادخ¬ ENV{QUERY_STRING} is: