[issue27364] Deprecate invalid unicode escape sequences

[Guido van Rossum]

Guido van Rossum added the comment:

I am okay with making it a silent warning.

Can we do it in two stages though? It doesn't have to be two releases, I just mean two separate commits: (1) fix all places in the stdlib that violate this principle; (2) separately commit the code that causes the silent deprecation (and tests for it).

What exactly was the hard crash you got? Do you think it was a bug in your own C code or in existing C code?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27364>
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