Re: need examples of one-to-one code point correspondence exceptions

From: Javier SOLA (
Date: Tue Dec 02 2008 - 01:25:38 CST

In complex text scripts, split dependent vowels (or split matras) are
usually represented as two separate characters in legacy fonts, one
typed before the consonant and one after. In some of the scripts (such
as Khmer), the vowel has only one code point (but two glyphs) in
Unicode. These are examples of 2 --> 1


Christopher Fynn wrote:
> *All* the characters in the Chinese National Standard GB/T20524-2006
> "Tibetan Coded Character Set Extension A" map to sequences of two or
> more Unicode characters.
> 农林小气候观测仪(GB/T20524-2006) <>
> It should be noted that this national standard was created after
> Tibetan script had already been encoded in the ISO 10646 /Unicode
> Standards.
> - Chris
> wrote:
>> I have just subscribed and I think it never got through the first
>> time, but in case this mail has been already sent, my excuses for the
>> multiple posting.
>> Dear Unicode mailing list members,
>> can anybody give me examples in which one code point in another
>> standard corresponds to a sequence of code points in Unicode and vice
>> versa, with the explanation of the reason why the one-to-one code
>> point correspondence policy exception has been made by the Consortium
>> regarding those examples?
>> Thank you,
>> Suhel Jaber

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