RE: Change language. POST or GET

>> Maybe I have express myself wrong. I will try again with an example:
>> I am abroad, using a shared pc with arabic language as default. I  
>> send a
>> request to the URL http://www.example.org/doc. By content  
>> negociation, a
>> server will response with a page written in arabic. In that moment, I
>> want to change the language of the content, and the return page  
>> should
>> be again http://www.example.org/doc.
>> What would be the correct approach ?
>> - a link that invokes a HTTP GET method
>> - a button that invokes a HTTP POST method
>
> It seems to be that you're changing the state of the server, thus  
> GET would be incorrect.

I disagree.  The Accept-Language: header is responded to in the reply  
to the GET
request containing it and does not alter state on the server.  The  
server is
ready on the next hit from anyone to provide the same range of  
languages as on
this hit.  With the same server defaults, not defaulting to the last  
request
satisfied.

If you click on the flag of your national language on a site to get that
language version, that is changing the state of your session, yes.

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That's the problem: the way to interprete it. I am looking for a normative answer from W3C, but I haven't found yet anything in the documentation about it.

Carlos Tejo