[Fedora TeX Live] hyphenation in texlive 2011?

[pip]

On 10/25/2011 01:02 PM, Pjotr Markevitch wrote:
> If your language.dat or language.def file is broken for some reason, you can
> try to fix it by removing both files, removing the base hypen package (texlive-
> hyphen-base) and all hyphen packages. 

Thank you very much for your effort, Pjotr. This indeed helped.
I guess the problem was that I did not remove v2010 before upgrading to v2011. I had no language.def, and defective language.dat. 
I'm happy that everything works now!
Kind regards,
Pip