A few things
Fragment of a discussion from User talk:Rua
I've been going through every page that uses {{osx}}. I've checked the start of this page (up to wine), and everything after this page, but not that page itself. (This is a linkless list of the entries I haven't checked.) I haven't checked any non-main-namespace pages, btw. If you happen to know that the user who added Dutch as a daughter of Saxon also added that error to Appendix pages, let me know.