[docs] [issue28450] Misleading/inaccurate documentation about unknown escape sequences in regular expressions

Ned Deily report at bugs.python.org
Tue Dec 6 17:30:30 EST 2016

Ned Deily added the comment:

Note that 1b162d6e3d01 in Issue27030 (for 3.6.0rc1) has changed the behavior for re.sub replacement templates to produce a deprecation warning in 3.6 while still being treated as an error in 3.7.


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