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Re: Unicode 7

References (9 earlier) <0bdd2577-2893-4564-9857-fcfc6021dced@googlegroups.com> <536387b8$0$29965$c3e8da3$5496439d@news.astraweb.com> <5e91529c-c03f-44ee-a610-5697fea167b2@googlegroups.com> <mailman.9658.1399054040.18130.python-list@python.org> <432508d1-984d-4c07-890b-31a7058429c6@googlegroups.com>
Date 2014-05-03 11:15 +1000
Subject Re: Unicode 7
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.9660.1399079758.18130.python-list@python.org> (permalink)

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On Sat, May 3, 2014 at 10:58 AM, Rustom Mody <rustompmody@gmail.com> wrote:
> You think this
>
>>>> (fine, fine) = (1,2) # and no issue about it
>
> is fine?

Not sure which part you're objecting to. Are you saying that this
should be an error:

>>> a, a = 1, 2 # simple ASCII identifier used twice

or that Python should take the exact sequence of codepoints, rather
than normalizing?

Python 3.5.0a0 (default:6a0def54c63d, Mar 26 2014, 01:11:09)
[GCC 4.7.2] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> fine = 1
>>> vars()
{'__package__': None, '__spec__': None, '__doc__': None, 'fine': 1,
'__loader__': <class '_frozen_importlib.BuiltinImporter'>,
'__builtins__': <module 'builtins' (built-in)>, '__name__':
'__main__'}

As regards normalization, I would be happy with either "keep it
exactly as you provided" or "normalize according to <insert Unicode
standard normalization here>", as long as it's consistent. It's like
what happens with SQL identifiers: according to the standard, an
unquoted name should be uppercased, but some databases instead
lowercase them. It doesn't break code (modulo quoted names, not
applicable here), as long as it's consistent.

(My reading of PEP 3131 is that NFKC is used; is that what's
implemented, or was that a temporary measure and/or something for Py2
to consider?)

ChrisA

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Unicode 7 wxjmfauth@gmail.com - 2014-04-29 10:37 -0700
  Re: Unicode 7 Tim Chase <python.list@tim.thechases.com> - 2014-04-29 12:59 -0500
    Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-04-29 21:53 -0700
      Re: Unicode 7 Steven D'Aprano <steve@pearwood.info> - 2014-05-01 05:00 +0000
        Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-01 11:04 -0700
          Re: Unicode 7 Terry Reedy <tjreedy@udel.edu> - 2014-05-01 18:38 -0400
            Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-01 19:29 -0700
              Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-01 19:39 -0700
              Re: Unicode 7 Chris Angelico <rosuav@gmail.com> - 2014-05-02 13:01 +1000
                Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-01 20:16 -0700
              Re: Unicode 7 Terry Reedy <tjreedy@udel.edu> - 2014-05-02 01:05 -0400
            Re: Unicode 7 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-05-02 03:15 +0000
          Re: Unicode 7 MRAB <python@mrabarnett.plus.com> - 2014-05-02 00:33 +0100
            Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-01 19:02 -0700
              Re: Unicode 7 Ben Finney <ben@benfinney.id.au> - 2014-05-02 12:39 +1000
                Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-01 19:59 -0700
              Re: Unicode 7 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-05-02 08:45 +0000
                Re: Unicode 7 Chris Angelico <rosuav@gmail.com> - 2014-05-02 19:08 +1000
                Re: Unicode 7 Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2014-05-02 13:04 +0300
                Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-02 03:39 -0700
                Re: Unicode 7 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-05-02 11:55 +0000
                Re: Unicode 7 Marko Rauhamaa <marko@pacujo.net> - 2014-05-02 15:19 +0300
                Re: Unicode 7 Ben Finney <ben@benfinney.id.au> - 2014-05-03 07:07 +1000
                Re: Unicode 7 Roy Smith <roy@panix.com> - 2014-05-02 17:13 -0400
                Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-02 09:03 -0700
                Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-02 09:50 -0700
                Re: Unicode 7 Michael Torrie <torriem@gmail.com> - 2014-05-02 11:39 -0600
                Re: Unicode 7 Ned Batchelder <ned@nedbatchelder.com> - 2014-05-02 13:46 -0400
                Re: Unicode 7 Peter Otten <__peter__@web.de> - 2014-05-02 20:07 +0200
                Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-02 17:58 -0700
                Re: Unicode 7 Ned Batchelder <ned@nedbatchelder.com> - 2014-05-02 21:18 -0400
                Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-02 18:42 -0700
                Re: Unicode 7 Chris Angelico <rosuav@gmail.com> - 2014-05-03 11:54 +1000
                Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-02 19:02 -0700
                Re: Unicode 7 Chris Angelico <rosuav@gmail.com> - 2014-05-03 11:15 +1000
                Re: Unicode 7 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-05-03 02:02 +0000
                Re: Unicode 7 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-05-03 02:04 +0000
                Re: Unicode 7 Chris Angelico <rosuav@gmail.com> - 2014-05-03 12:17 +1000
                Re: Unicode 7 Terry Reedy <tjreedy@udel.edu> - 2014-05-02 22:19 -0400
                Re: Unicode 7 Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-05-03 12:57 -0400
                Re: Unicode 7 Tim Chase <python.list@tim.thechases.com> - 2014-05-02 07:58 -0500
              Re: Unicode 7 MRAB <python@mrabarnett.plus.com> - 2014-05-02 17:52 +0100
          Re: Unicode 7 Terry Reedy <tjreedy@udel.edu> - 2014-05-02 00:16 -0400
            Re: Unicode 7 Rustom Mody <rustompmody@gmail.com> - 2014-05-01 21:42 -0700
              Re: Unicode 7 Chris Angelico <rosuav@gmail.com> - 2014-05-02 14:54 +1000
              Re: Unicode 7 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-05-02 08:08 +0000
                Re: Unicode 7 Chris Angelico <rosuav@gmail.com> - 2014-05-02 19:01 +1000
                Re: Unicode 7 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-05-02 11:52 +0000
                Re: Unicode 7 Ben Finney <ben@benfinney.id.au> - 2014-05-02 19:16 +1000
                Re: Unicode 7 Marko Rauhamaa <marko@pacujo.net> - 2014-05-02 13:05 +0300
                Re: Unicode 7 Chris Angelico <rosuav@gmail.com> - 2014-05-02 19:24 +1000
                Re: Unicode 7 MRAB <python@mrabarnett.plus.com> - 2014-05-02 18:07 +0100
  Re: Unicode 7 MRAB <python@mrabarnett.plus.com> - 2014-04-29 19:12 +0100
    Re: Unicode 7 wxjmfauth@gmail.com - 2014-04-30 00:06 -0700
      Re: Unicode 7 Tim Chase <python.list@tim.thechases.com> - 2014-04-30 13:48 -0500
        Re: Unicode 7 wxjmfauth@gmail.com - 2014-04-30 23:00 -0700

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