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From: Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject: Re: Procedure to request adding a module to the standard library - or initiating a vote on it
Date: Tue, 07 Aug 2012 16:04:56 +0100
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On 07/08/2012 15:47, Helmut Jarausch wrote:
> On Tue, 07 Aug 2012 13:15:29 +0200, Peter Otten wrote:
>
>> I don't think that will help. From PEP 408:
>>
>> """
>> As part of the same announcement, Guido explicitly accepted Matthew
>> Barnett's 'regex' module [4] as a provisional addition to the standard
>> library for Python 3.3 (using the 'regex' name, rather than as a drop-in
>> replacement for the existing 're' module).
>> """
>
> What is  a "provisional addition"? Python-3.3 (20120708) doesn't have
> such a module.
>
> Many thanks,
> Helmut.
>

This is a new concept, as an example see 
http://bugs.python.org/issue14814#msg164795 which refers to the 
implementation of PEP 3144, the ipaddress module.

-- 
Cheers.

Mark Lawrence.