Re: Question on UCA collation parameters (strength = tertiary, alternate = shifted)

From: Matt Ma <matt.ma.umail_at_gmail.com>
Date: Thu, 1 Dec 2011 11:02:56 -0800

In addition, the default setting in Table 14, UTS #10, 6.0.0 are

  strength: tertiary
  alternative: shifted

But the setting won't generate the conformant behavior specified by
CollationTest_SHIFTED.txt

I think when alternative is set to shifted, strength should be set to
quaternary (as default) unless it is explicitly set.

Thanks,
Matt

On Tue, Nov 29, 2011 at 12:55 PM, Matt Ma <matt.ma.umail_at_gmail.com> wrote:
> Thanks for clarification. But to pass UCA conformance test on Shifted,
> does the strength have to be set to quaternary? Howeve, it is stated
> in UCA, C2, "A conformant implementation shall support at least three
> levels of collation".
>
> Does this mean a UCA conformant implementation only need pass UCA
> conformance test on Non-Ignorable?
>
> Regards,
> Matt
>
> On Tue, Nov 29, 2011 at 12:49 PM, Mark Davis ☕ <mark_at_macchiato.com> wrote:
>> Yes, if the strength is tertiary, then Blanked and Shifted give the same
>> results.
>> http://www.unicode.org/reports/tr10/proposed.html#Variable_Weighting
>>
>> Mark
>> — Il meglio è l’inimico del bene —
>> [https://plus.google.com/114199149796022210033]
>>
>>
>> On Tue, Nov 29, 2011 at 19:11, Matt Ma <matt.ma.umail_at_gmail.com> wrote:
>>>
>>> Hi,
>>>
>>> Does Shifted implies strength being quaternary? If strength stays as
>>> tertiary (default or explicitly set), it seems the collation behavior
>>> is Blanked. Please clarify.
>>>
>>> Thanks,
>>> Matt
>>>
>>
>>
>
Received on Thu Dec 01 2011 - 13:09:07 CST

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