That PR seems to make \' and \" not special in general right? I think this is a more limited proposal, to only change the behavior when \ is at the end of a string, so the only behavior difference would never receiving the error "SyntaxError: EOL while scanning string literal" In which case there should be no backwards compatibility issue. Damian On Sat, May 28, 2022 at 12:20 PM Serhiy Storchaka <storchaka@gmail.com> wrote:
28.05.22 12:22, Steven D'Aprano пише:
Now that we have a new parser for CPython, can we fix the old gotcha that raw strings cannot end in a backslash?
Its an FAQ and has come up again on the bug tracker.
I do not think that we can allow this, and it is not related to parser.
Few years ago I experimented with such change: https://github.com/python/cpython/pull/15217
You can see that it breaks even some stdlib code, and it will definitely break many third-party packages and examples. Technically we can do this, but the benefit is small in comparison with the cost.
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