Yes, I wasn't implying the behavior is wrong. Was just mentioning it. Anyway, thanks for that link, which explains why. That Open Group info on POSIX utilities

Yes, I wasn't implying the behavior is wrong. Was just mentioning it. Anyway, thanks for that link, which explains why. That Open Group info on POSIX utilities is a great resource for when you want to know the comprehensive, well-specified behavior of the commands.