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describe-char missing info on unicode thumb up char

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Xah Lee

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Jan 26, 2011, 11:15:57 AM1/26/11
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there are these unicode symbols

ok hand sign 👌 #x1f44c
thumb up 👍 #x1f44d
thumb down 👎 #x1f44e

when calling describe-char on them, it doesn't give their names.

is this a bug? does it happen to just few chars, or perhaps all chars
outside basic multilingual plane? I know that many chars outside of
BMP doesn't have this problem.

Xah ∑ http://xahlee.org/

Jason Rumney

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Jan 28, 2011, 1:15:34 AM1/28/11
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The fact that these characters were introduced in Unicode 6.0.0, released in October 2010 may have something to do with it.
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Xah Lee

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Jan 28, 2011, 3:32:55 PM1/28/11
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On Jan 27, 10:15 pm, Jason Rumney <jasonrum...@gmail.com> wrote:
> The fact that these characters were introduced in Unicode 6.0.0, released in October 2010 may have something to do with it.

thanks Jason & Klaus. Great answers.

Xah

Oleksandr Gavenko

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Jan 29, 2011, 9:37:22 AM1/29/11
to help-gn...@gnu.org
On 2011-01-28 8:15, Jason Rumney wrote:
> The fact that these characters were introduced in Unicode 6.0.0,
> released in October 2010 may have something to do with it.
From Emacs brz repo:

revno: 100559
committer: Juanma Barranquero <lek...@gmail.com>
branch nick: trunk
timestamp: Wed 2010-06-09 17:46:41 +0200
message:
Update to Unicode 6.0.0 beta.
* admin/unidata/UnicodeData.txt: Update from
http://www.unicode.org/Public/6.0.0/ucd/UnicodeData-6.0.0d5.txt

But I look native Emacs binary and not found 'UnicodeData.txt'.

How Emacs know name of Unicode chars?

'emacs-23.2/etc/nxml' dir contain code description. This used?

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Best regards!


Peter Dyballa

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Jan 29, 2011, 9:56:29 AM1/29/11
to Oleksandr Gavenko, help-gn...@gnu.org

Am 29.01.2011 um 15:37 schrieb Oleksandr Gavenko:

> How Emacs know name of Unicode chars?

From source.

From UnicodeData.txt the files lisp/international/uni-*.el are derived.

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Greetings

Pete

Remember: use logout to logout.


Eli Zaretskii

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Jan 29, 2011, 9:59:05 AM1/29/11
to help-gn...@gnu.org
> From: Oleksandr Gavenko <gave...@gmail.com>
> Date: Sat, 29 Jan 2011 16:37:22 +0200

>
> From Emacs brz repo:
>
> revno: 100559
> committer: Juanma Barranquero <lek...@gmail.com>
> branch nick: trunk
> timestamp: Wed 2010-06-09 17:46:41 +0200
> message:
> Update to Unicode 6.0.0 beta.
> * admin/unidata/UnicodeData.txt: Update from
> http://www.unicode.org/Public/6.0.0/ucd/UnicodeData-6.0.0d5.txt
>
> But I look native Emacs binary and not found 'UnicodeData.txt'.

The admin directory is not part of the release tarball.

> How Emacs know name of Unicode chars?
>

> 'emacs-23.2/etc/nxml' dir contain code description. This used?

No. The names from UnicodeData.txt are compressed and put into
lisp/international/uni-name.el. Other properties are in the other
uni-*.el files. Emacs uses those when needed.

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