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Re: Unicode 7

References (4 earlier) <82067b83-a6f5-4b16-b012-385535ea5607@googlegroups.com> <ljuiej$qim$1@ger.gmane.org> <mailman.9639.1398987208.18130.python-list@python.org> <eb56fd65-4729-42db-bcd4-179c19aaf485@googlegroups.com> <53635b34$0$29965$c3e8da3$5496439d@news.astraweb.com>
Date 2014-05-02 19:08 +1000
Subject Re: Unicode 7
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.9650.1399021712.18130.python-list@python.org> (permalink)

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On Fri, May 2, 2014 at 6:45 PM, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> wrote:
>> - unicode 'number-boxes' (what are these called?)
>
> They are missing character glyphs, and they have nothing to do with
> Unicode. They are due to deficiencies in the text font you are using.
>
> Admittedly with Unicode's 0x10FFFF possible characters (actually more,
> since a single code point can have multiple glyphs) it isn't surprising
> that most font designers have neither the time, skill or desire to create
> a glyph for every single code point. But then the same applies even for
> more restrictive 8-bit encodings -- sometimes font designers don't even
> bother providing glyphs for *ASCII* characters.
>
> (E.g. they may only provide glyphs for uppercase A...Z, not lowercase.)

This is another area where Unicode has given us "a great improvement
over the old method of giving satisfaction". Back in the 1990s on
OS/2, DOS, and Windows, a missing glyph might be (a) blank, (b) a
simple square with no information, or (c) copied from some other font
(common with dingbats fonts). With Unicode, the standard is to show a
little box *with the hex digits in it*. Granted, those boxes are a LOT
more readable for BMP characters than SMP (unless your text is huge,
six digits in the space of one character will make them pretty tiny),
and a "Unicode" font will generally include all (or at least most) of
the BMP, but it's still better than having no information at all.

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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