This is basically a black magic hack to get javascript to treat
a string as UTF-8 and decode it to the correct form.
http://monsur.hossa.in/2012/07/20/utf-8-in-javascript.html
var content = $(xhr.responseText);
if (xhr.getResponseHeader('X-Page-Title')) {
var content = $(xhr.responseText);
if (xhr.getResponseHeader('X-Page-Title')) {
- document.title = xhr.getResponseHeader('X-Page-Title');
+ var title = xhr.getResponseHeader('X-Page-Title');
+ document.title = decodeURIComponent(escape(title));