Here\'s the thing. I have friendly urls like
http://site.com/blog/read/мъдростта-на-вековете http://site.com/blog/read/green-apple
http://site.com/blog/read/мъдростта-на-вековете
http://site.com/blog/read/green-apple
Actually, Firefox is cheating you here: the URL actually is url-encoded, but is shown as if it wasn't. So copy-pasting and retrieving it on the server will have the URL encoded.
(Not sure if other browsers behave in the same way.)