On Sat, Oct 15, 2016 at 4:48 AM, Ned Batchelder <n...@nedbatchelder.com> wrote: > On Friday, October 14, 2016 at 1:27:09 PM UTC-4, Chris Angelico wrote: >> On Sat, Oct 15, 2016 at 4:12 AM, Ned Batchelder <n...@nedbatchelder.com> >> wrote: >> > There doesn't seem to be a change to string literals at all. It's only a >> > change in the regex engine. >> > >> > Python 3.6.0b2 (default, Oct 10 2016, 21:30:05) >> > [GCC 4.2.1 Compatible Apple LLVM 7.0.2 (clang-700.1.81)] on darwin >> > Type "help", "copyright", "credits" or "license" for more information. >> > >>> "\s" >> > '\\s' >> >> Try with -Wall. To avoid breaking every novice Windows program ever >> written (bar two or three), it's only a warning for now. > > I see. I'm not sure how novice users will know to enable warnings that are > off by default. Do people regularly run their code with -Wall? I never have, > and I don't know how I would have seen these warnings.
Tools like ipython can choose to enable warnings by default. I'm not sure if they do or not, but it'd be a good thing. ChrisA -- https://mail.python.org/mailman/listinfo/python-list