How to filter posts on planet.fedoraproject.org?

[Pavel Alexeev (aka Pahan-Hubbitus)]

16.01.2011 16:21, jonathan MERCIER wrote:
> Le dimanche 16 janvier 2011 à 16:10 +0300, Pavel Alexeev (aka
> Pahan-Hubbitus) a écrit :
>> Hello.
>>
>> I'm open for himself planet.fedorapeople.org not so long before. Even
>> try add there my own blog.
>> But I'm wondering how I can filter records which I read via RSS by
>> language!?
>> I want read only English and Russian blog posts. Unfortunately I do not
>> known other languages. But quite half of messages come on Indian,
>> Arabian, Spanish and etc. I always just delete it. But it is serious noise.
>> -- 
>> With best wishes, Pavel Alexeev (aka Pahan-Hubbitus). For fast contact
>> with me use jabber: Hubbitus at jabber.ru
>>
> Hi, me i am french and i wrote my record in english and in french. On
> the fedora planet ->  english and on fedora-fr planet ->  french
> with your cms you can set the language after on fedorapeople set
> into .planet file the right rss stream with language like:
> [http://blog.fedora-fr.org/bioinfornatics/feed/en/atom]
> see en in url stream and for fedora-fr i change en in fr
No, I speak about another side - how I as user read only records on 
particular languages?
Is there any rules for bloggers to behave on similar way as you describe?