[NNTP] Internationalisation, attempt 2

[maurizio codogno]

>Okay. New wording:
>
>    o Where an article is obtained from an external source an
>      implementation MAY pass it on, and derive data from it (such as
>      the response to the HDR command), even though the article or the
>      data does not meet the above requirements.  Implementations MUST
>      transfer such articles and data correctly and unchanged; they MUST
>      NOT attempt to convert or re-encode the article or derived data.
>      (Nevertheless, a client or server MAY elect not to post or forward
>      the article if, after further examination of the article, it deems
>      it inappropriate to do so.)

This is fine for me.
ciao, .mau.