Unicode::Collate provides a straight-forward mechanizm for modifying the sort order to take into account language-specific variations for example. This is illustrated with the variations required for traditional Spanish I think. Nevertheless I might have expected to see derived modules providing this behaviour built-in for different languages. Something like Unicode:Collate::ES or Unicode::Collate::Spanish. This doesn't seem to happen. Is there a reason?
Also the module builds on allkeys.txt. Again I would have expected to see a repository of <language>.txt files somewhere providing the necessary localization, but I don't. Is it really the case that people are independently crafting their own language localization files or have I missed an archive somewhere?