Ok, this one is in French:
http://www.lalibre.be/culture/livres/un ... bc1e2d01f6But, according to Google Translate:
Basically, it would be one of those “protect the copyright” manoeuvres. Whether it happens before 2052 remains to be seen. Hergé said that there should be no more Tintin adventures after his death. So far, apart from the recent film, there have been no official stories.
My personal feeling is that they should finish Alph Art. There have been a few unofficial attempts do do this, so something official would at least give us something definitive. After that? Who knows - other strips continue after the death of the creator/artists -
Asterix,
Blake and Mortimer, so why not
Tintin?