P.S. You'll be pleased to know that since (time-forward N) still works
- for N >= 0, we've used it to pre-emptively update configure.in.
+ for N >= 0, we've used it to pre-emptively update configure.ac.
Emacs now configures and builds on every platform that will ever
be made. It wasn't easy, but at least that's one problem out of
the way for good. If you'd like the patch, just ask.