Guido Neitzer <guido(dot)neitzer(at)pharmaline(dot)de> writes:
> I have linked the LC_COLLATE for de_DE.UTF-8 to the same LC_COLLATE
> file that works fine with ISO8859-1.
Um ... why would you expect that to work at all? Aren't the collation
files very dependent on the encoding?
regards, tom lane