I'm not sure what to do with this ticket now The POSIX::isfoo() functions are gone in blead now. But the original ticket referred to tolower and toupper. Both were never deprecated, and now the documentation accurately describes their behavior: that the current locale does not affect the results. I'm inclined to close this ticket, and leave things as they are. I suppose we could deprecate these two functions, but it is kind of a pain to do that, and I suspect that is why it didn't happen earlier, when the other functions got deprecated. (Also they behaved better than those functions that are now gone.) So unless I hear otherwise in, say a month, I'll close this ticket. .-- Karl Williamson --- via perlbug: queue: perl5 status: open https://rt.perl.org/Ticket/Display.html?id=5907Thread Previous | Thread Next