BEMINFO-563 - bem-info: Language switch has been fallen

![2014-10-08_1035](https://cloud.githubusercontent.com/assets/1333220/4554842/749cdec6-4eb5-11e4-9298-2b0ae5ab87fe.png)

@tadatuta Here is some problem. When we wright this mix without square brackets, our bem-info site is fallen down.
This is bug, but we don't understand where exactly