[issue32912] Raise non-silent warning for invalid escape sequences

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

Since the author of PR 5849 had not the time to work on it, I have created PR 9652 which properly replaces a DeprecationWarning with a SyntaxWarning. It also updates the documentation.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32912>
_______________________________________