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Re: Flexible string representation, unicode, typography, ...

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Le lundi 27 août 2012 22:37:03 UTC+2, (inconnu) a écrit :
> Le lundi 27 août 2012 22:14:07 UTC+2, Ian a écrit :
> 
> > On Mon, Aug 27, 2012 at 1:16 PM,  <wxjmfauth@gmail.com> wrote:
> 
> > 
> 
> > > - Why int32 and not uint32? No idea, I tried to find an
> 
> > 
> 
> > > answer without asking.
> 
> > 
> 
> > 
> 
> > 
> 
> > UCS-4 is technically only a 31-bit encoding. The sign bit is not used,
> 
> > 
> 
> > so the choice of int32 vs. uint32 is inconsequential.
> 
> > 
> 
> > 
> 
> > 
> 
> > (In fact, since they made the decision to limit Unicode to the range 0
> 
> > 
> 
> > - 0x0010FFFF, one might even point out that the *entire high-order
> 
> > 
> 
> > byte* as well as 3 bits of the next byte are irrelevant.  Truly,
> 
> > 
> 
> > UTF-32 is not designed for memory efficiency.)
> 
> 
> 
> I know all this. The question is more, why not a uint32 knowing
> 
> there are only positive code points. It seems to me more "natural".

Answer found. In short: using negative ints
simplifies internal tasks.

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Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-23 05:47 -0700
  Re: Flexible string representation, unicode, typography, ... Neil Hodgson <nhodgson@iinet.net.au> - 2012-08-23 23:57 +1000
    Re: Flexible string representation, unicode, typography, ... MRAB <python@mrabarnett.plus.com> - 2012-08-23 16:11 +0100
    Re: Flexible string representation, unicode, typography, ... Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-23 09:19 -0600
    Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-23 11:33 -0700
      Re: Flexible string representation, unicode, typography, ... Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-23 13:22 -0600
        Re: Flexible string representation, unicode, typography, ... rusi <rustompmody@gmail.com> - 2012-08-24 09:06 -0700
          Re: Flexible string representation, unicode, typography, ... Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-24 17:47 +0100
          Re: Flexible string representation, unicode, typography, ... Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-08-24 14:34 -0400
      Re: Flexible string representation, unicode, typography, ... Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-23 20:34 +0100
  Re: Flexible string representation, unicode, typography, ... Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-23 15:18 +0100
  Re: Flexible string representation, unicode, typography, ... Ramchandra Apte <maniandram01@gmail.com> - 2012-08-24 07:38 -0700
    Re: Flexible string representation, unicode, typography, ... Antoine Pitrou <solipsis@pitrou.net> - 2012-08-25 00:24 +0000
      Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-25 00:27 -0700
        Re: Flexible string representation, unicode, typography, ... Ben Finney <ben+python@benfinney.id.au> - 2012-08-25 17:54 +1000
      Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-25 00:27 -0700
        Re: Flexible string representation, unicode, typography, ... Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-25 09:58 +0100
        Re: Flexible string representation, unicode, typography, ... Frank Millman <frank@chagford.com> - 2012-08-25 11:46 +0200
          Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-25 08:47 -0700
          Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-25 08:47 -0700
            Re: Flexible string representation, unicode, typography, ... Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-25 16:26 -0600
              Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-25 23:59 -0700
                Re: Flexible string representation, unicode, typography, ... Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-26 09:50 -0600
              Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-25 23:59 -0700
                Re: Flexible string representation, unicode, typography, ... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-26 11:49 +0000
                Re: Flexible string representation, unicode, typography, ... Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-26 09:40 -0600
                Re: Flexible string representation, unicode, typography, ... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-26 20:13 +0000
                Re: Flexible string representation, unicode, typography, ... Dan Sommers <dan@tombstonezero.net> - 2012-08-26 13:45 -0700
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-27 12:16 -0700
                Re: Flexible string representation, unicode, typography, ... Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-27 14:14 -0600
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-27 13:37 -0700
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-29 04:38 -0700
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-29 04:38 -0700
                Re: Flexible string representation, unicode, typography, ... Neil Hodgson <nhodgson@iinet.net.au> - 2012-08-28 09:54 +1000
                Re: Flexible string representation, unicode, typography, ... Chris Angelico <rosuav@gmail.com> - 2012-08-29 13:59 +1000
                Re: Flexible string representation, unicode, typography, ... Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-28 22:15 -0600
                Re: Flexible string representation, unicode, typography, ... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-29 08:05 +0000
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-29 04:40 -0700
                Re: Flexible string representation, unicode, typography, ... Dave Angel <d@davea.name> - 2012-08-29 08:01 -0400
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-29 08:43 -0700
                Re: Flexible string representation, unicode, typography, ... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-30 06:55 +0000
                Re: Flexible string representation, unicode, typography, ... Chris Angelico <rosuav@gmail.com> - 2012-08-30 18:59 +1000
                Re: Flexible string representation, unicode, typography, ... Roy Smith <roy@panix.com> - 2012-08-30 07:02 -0400
                Re: Flexible string representation, unicode, typography, ... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-30 16:00 +0000
                Re: Flexible string representation, unicode, typography, ... Terry Reedy <tjreedy@udel.edu> - 2012-08-30 16:44 -0400
                Re: Flexible string representation, unicode, typography, ... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-31 12:32 +0000
                Re: Flexible string representation, unicode, typography, ... Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-31 09:13 -0600
                Re: Flexible string representation, unicode, typography, ... Roy Smith <roy@panix.com> - 2012-08-31 08:43 -0400
                Re: Flexible string representation, unicode, typography, ... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-31 14:54 +0000
                Re: Flexible string representation, unicode, typography, ... Antoine Pitrou <solipsis@pitrou.net> - 2012-08-30 15:01 +0000
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-09-02 00:36 -0700
                Re: Flexible string representation, unicode, typography, ... Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-09-02 09:58 +0100
                Re: Flexible string representation, unicode, typography, ... Ian Kelly <ian.g.kelly@gmail.com> - 2012-09-02 03:06 -0600
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-09-02 11:58 -0700
                Re: Flexible string representation, unicode, typography, ... Michael Torrie <torriem@gmail.com> - 2012-09-02 13:45 -0600
                Re: Flexible string representation, unicode, typography, ... Dave Angel <d@davea.name> - 2012-09-02 16:07 -0400
                Re: Flexible string representation, unicode, typography, ... Terry Reedy <tjreedy@udel.edu> - 2012-09-02 16:38 -0400
                Re: Flexible string representation, unicode, typography, ... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-03 01:42 +0000
                Re: Flexible string representation, unicode, typography, ... Serhiy Storchaka <storchaka@gmail.com> - 2012-09-03 18:26 +0300
                Re: Flexible string representation, unicode, typography, ... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-04 00:53 +0000
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-09-02 11:58 -0700
                Re: Flexible string representation, unicode, typography, ... Peter Otten <__peter__@web.de> - 2012-09-02 11:52 +0200
                Re: Flexible string representation, unicode, typography, ... Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-09-02 11:36 +0100
                Re: Flexible string representation, unicode, typography, ... Serhiy Storchaka <storchaka@gmail.com> - 2012-09-02 15:00 +0300
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-09-02 22:39 -0700
                Re: Flexible string representation, unicode, typography, ... Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-09-03 07:11 +0100
                Re: Flexible string representation, unicode, typography, ... Peter Otten <__peter__@web.de> - 2012-09-03 08:15 +0200
                Re: Flexible string representation, unicode, typography, ... Terry Reedy <tjreedy@udel.edu> - 2012-09-03 04:38 -0400
                Re: Flexible string representation, unicode, typography, ... Serhiy Storchaka <storchaka@gmail.com> - 2012-09-03 18:56 +0300
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-09-02 22:39 -0700
                Re: Flexible string representation, unicode, typography, ... Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-09-02 13:23 +0100
                Re: Flexible string representation, unicode, typography, ... Roy Smith <roy@panix.com> - 2012-09-02 08:35 -0400
                Re: Flexible string representation, unicode, typography, ... Ramchandra Apte <maniandram01@gmail.com> - 2012-09-02 06:48 -0700
                Re: Flexible string representation, unicode, typography, ... Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-09-02 15:46 +0100
                Re: Flexible string representation, unicode, typography, ... Ramchandra Apte <maniandram01@gmail.com> - 2012-09-02 06:48 -0700
                Re: Flexible string representation, unicode, typography, ... Ian Kelly <ian.g.kelly@gmail.com> - 2012-09-03 12:33 -0600
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-09-02 00:36 -0700
                Re: Flexible string representation, unicode, typography, ... Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-30 10:27 -0600
                Re: Flexible string representation, unicode, typography, ... Serhiy Storchaka <storchaka@gmail.com> - 2012-09-02 23:38 +0300
                Re: Flexible string representation, unicode, typography, ... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-03 01:54 +0000
                Re: Flexible string representation, unicode, typography, ... Terry Reedy <tjreedy@udel.edu> - 2012-09-02 22:33 -0400
                Re: Flexible string representation, unicode, typography, ... Roy Smith <roy@panix.com> - 2012-09-03 11:24 -0400
                Re: Flexible string representation, unicode, typography, ... Serhiy Storchaka <storchaka@gmail.com> - 2012-09-03 18:41 +0300
                Re: Flexible string representation, unicode, typography, ... Serhiy Storchaka <storchaka@gmail.com> - 2012-09-03 00:45 +0300
                Re: Flexible string representation, unicode, typography, ... Chris Angelico <rosuav@gmail.com> - 2012-08-30 01:54 +1000
                Re: Flexible string representation, unicode, typography, ... Chris Angelico <rosuav@gmail.com> - 2012-08-29 22:34 +1000
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-29 04:40 -0700
                Re: Flexible string representation, unicode, typography, ... wxjmfauth@gmail.com - 2012-08-27 12:16 -0700
                Re: Flexible string representation, unicode, typography, ... Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-26 15:42 -0600
                Re: Flexible string representation, unicode, typography, ... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-26 23:31 +0000
                Re: Flexible string representation, unicode, typography, ... Paul Rubin <no.email@nospam.invalid> - 2012-08-26 17:47 -0700
        Re: Flexible string representation, unicode, typography, ... Chris Angelico <rosuav@gmail.com> - 2012-08-25 21:04 +1000
        Re: Flexible string representation, unicode, typography, ... Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-25 12:05 +0100
        Re: Flexible string representation, unicode, typography, ... Chris Angelico <rosuav@gmail.com> - 2012-08-25 21:19 +1000
        Re: Flexible string representation, unicode, typography, ... Terry Reedy <tjreedy@udel.edu> - 2012-08-25 07:23 -0400

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