From: Jukka K. Korpela <jkorpela_at_cs.tut.fi>

Date: Thu, 12 Jul 2012 20:24:07 +0300

Date: Thu, 12 Jul 2012 20:24:07 +0300

2012-07-12 19:31, Asmus Freytag wrote:

*> I don't see any problem in amending the proposed annotations
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*>
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*> 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
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*> 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.

What I have proposed, regarding COLON, is just

* also used to denote division or ratio

I donâ€™t think RATIO needs an annotation, as the name reflects the

intended usage. But if an annotation is added, it could be e.g.

* used to denote ratio (e.g. in a scale), as an alternative to 003A COLON

Yucca

Received on Thu Jul 12 2012 - 12:25:09 CDT

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