Unrecognized escape sequences in string literals

Ethan Furman ethan at stoneleaf.us
Tue Aug 11 16:35:54 CEST 2009

Steven D'Aprano wrote:
> On Mon, 10 Aug 2009 08:21:03 -0700, Douglas Alan wrote:
>>But you're right, it's too late to change this now.
> Not really. There is a procedure for making non-backwards compatible 
> changes. If you care deeply enough about this, you could agitate for 
> Python 3.2 to raise a PendingDepreciation warning for "unexpected" escape 
> sequences like \z, Python 3.3 to raise a Depreciation warning, and Python 
> 3.4 to treat it as an error.
> It may even be possible to skip the PendingDepreciation warning and go 
> straight for Depreciation warning in 3.2.

And once it's fully depreciated you have to stop writing it off on your 
taxes.  *wink*


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