> Can you send the output of:
swissgerman loadhyph-de-ch-1901.tex
> $ grep swiss `kpsewhich language.dat`
grep swiss `kpsewhich language.dat`
swissgerman loadhyph-de-ch-1901.tex
Jürgen
> $ grep swiss `kpsewhich language.dat`
grep swiss `kpsewhich language.dat`