ZWNJ contextual rule
Mark Davis ⌛
mark at macchiato.com
Wed Jul 15 19:32:31 CEST 2009
Ok.
Mark
2009/7/15 Patrik Fältström <patrik at frobbit.se>
> Mark, I now saw you had pseudo code in a different email message...let me
> digest that before you spend more time on this.
>
> paf
>
>
> On 15 jul 2009, at 14.54, Patrik Fältström wrote:
>
> On 5 nov 2008, at 03.15, Mark Davis wrote:
>>
>> For example, the rules for ZWNJ which don't match actual usage,
>>>
>>
>> Can you explain what "actual usage" is?
>>
>> The rule in -05 are now:
>>
>> Appendix A.2. ZERO WIDTH NON-JOINER
>> Code point:
>> U+200C
>> Overview:
>> Between two characters from the same script only. The script must
>> be one in which the use of this character causes significant
>> visual transformation of one or both of the adjacent characters.
>> Lookup:
>> True
>> Rule Set:
>> False;
>> If Script(Before(cp)) .eq. ( Deva | Tamil | Arabic ) And
>> Script(After(cp)) .eq. ( Deva | Tamil | Arabic ) And
>> Script(Before(cp)) .eq. Script(After(cp)) Then True;
>> If Not
>> RegExpMatch((Joining_Type:L)(Joining_Type:
>> T)*\u200C(Joining_Type:T)*(Joining_Type:R))
>> Then False;
>>
>> Patrik
>>
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>> Idna-update at alvestrand.no
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>>
>
>
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