Re: [icu-support] Vietnamese collation question

[Kent K. <ken...@te...>]

See UTN 34, http://www.unicode.org/notes/tn34, in particular section 2.5 but
regarding SPACE as field separator. The UTN does not give any code, it just
describes the principles for handling certain collation issues.

In terms of keys for dealing with fields, and considering only two levels
(for simplicity in this email), the key for a two-field item would be
constructed as follows:

field1-level1, field1-level2, 0, field2-level1, field2-level2

This way level 2 of the first field is of more weight than any level of
field 2.

    /Kent K


Den 2010-10-21 20:28, skrev "Ken Zook" <ken...@si...>:

> Is it possible to use ICU rules to sort Vietnamese as follows, and if so how?
>  
> ca
> ca sĩ
> cà phê
> cả
> calo
> cam
> cam kết
> cảm
>  
> We need to use secondary sorting for the diacritics, but it needs to sort
> everything up to the first space first, then sort any remaining characters up
> to the next space, etc.
>  
>  The rules for the vi locale are
> [normalization on ]
>  
> &̀<<̉<<̃<<́<<̣
> &a<ă<<<Ă<â<<<Â
> &d<đ<<<Đ
> &e<ê<<<Ê
> &o<ô<<<Ô<ơ<<<Ơ
> &u<ư<<<Ư
>  
> Unfortunately, they do not give the above order.
>  
> Thanks for any help you can give,
> Ken
> 
> 
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