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Mainly less authoritative--that a lot of the 1996 reform was retracted again caused a total lack of clarity and, as I said, now many publishers have made up their own rules. As for asserting an authority that they have on paper at least, I don't know what the law is about that in Germany, e.g. whether there are any judicial ways of forcing publishers to adhere to the current 'official' line. It seems that either people think it's not worth the bother, or that the means at their disposal are not very strong. Well, it's only spelling, after all.
German language experts ironically less authoritarian than French language experts.