Try running this piece of javascript, it would throw a “URI malformed” exception. javascript:alert(decodeURIComponent(escape(’http://rushis.com/®’)));javascript:alert(decodeURIComponent(escape(‘http://rushis.com/®’))); The ® character is transformed to %AE, which is not a valid input to decodeURIComponent function. This issue is clearly evident in the latest prototype js 1.6 framework. _getHeaderJSON: function() { var json = this.getHeader(’X-JSON’); if (!json) return null; json = […]