Pre-PEP: d-string / Dedented Multiline Strings with Optional Language Hinting

[methane (Inada Naoki)]

In the previous thread, Serhiy proposed __future__ import and I am +1 on it.

But Guido was -1 on __future__:

@guido

Please don’t. I think using d"..." is fine. I’m not too keen on a __future__ import. (I maintain some tests that happen to require

I think tools like pyupgrade or 2to3 will reduce maintenance cost of existing code.