[ python-Feature Requests-1031288 ] Update unicodedata to version 4.0.1

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Feature Requests item #1031288, was opened at 2004-09-20 17:37
Message generated for change (Comment added) made by loewis
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Category: Unicode
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Oliver Horn (ohorn)
Assigned to: Nobody/Anonymous (nobody)
Summary: Update unicodedata to version 4.0.1

Initial Comment:
The unicodedata library (shipped with Python 2.3.4 and
2.4a3) is still version 3.2.0 albeit version 4.0.1 is
available from unicode.org.
Is it possible to update 4.0.1, at least for Python 2.4?


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>Comment By: Martin v. Löwis (loewis)
Date: 2004-10-23 13:54

Message:
Logged In: YES 
user_id=21627

For Python 2.4, this is not possible, as the beta has
already been published.

For Python 2.5, it might be possible, but is difficult.
Python relies on the unicodedata 3.2.0, as the IDNA RFCs
mandate that Unicode 3.2 is used to implement IDNA. So any
integration of 4.0.1 must
a) still maintain access to the 3.2.0 data
b) change all code that relies on 3.2.0 data to refer to
these data explicitly
c) not simply double the amount of data, but somehow allow
for a differential representation.

This is very difficult to implement, and hence hasn't been
implemented for 2.4 (and might not be implemented for 2.5).

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