From: Hans Aberg <haberg-1_at_telia.com>

Date: Thu, 12 Jul 2012 19:56:42 +0200

Date: Thu, 12 Jul 2012 19:56:42 +0200

On 12 Jul 2012, at 19:24, Jukka K. Korpela wrote:

*> 2012-07-12 19:31, Asmus Freytag wrote:
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*>
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*>> I don't see any problem in amending the proposed annotations
*

*>>
*

*>> U+003A COLON
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*>> * also used to denote division or scale, for that usage 2236 : RATIO is
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*>> preferred in mathematical use
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*>> U+2236 RATIO
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*>> * Used in preference to 003A : to denote division or scale in
*

*>> mathematical use
*

*>
*

*> I see a big problem here: why would the Unicode Standard take a position on mathematical use in a manner that strongly conflicts with the ISO and IEC standard on mathematical notations? The ISO 80000-2 standard (also issued as IEC standard) designates U+003A as a character used for ratios.
*

The glyphs might be typeset differently with respect to fonts. So those should be hints as to what use in a mathematical context.

Hans

Received on Thu Jul 12 2012 - 12:59:01 CDT

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