[arabic-vip] normalization text

[Sarmad Hussain]

Thanks Andrew.  I have used the wording you have suggested.  

Regards,
Sarmad

>>-----Original Message-----
>>From: arabic-vip-bounces at icann.org [mailto:arabic-vip-
>>bounces at icann.org] On Behalf Of Andrew Sullivan
>>Sent: Tuesday, October 04, 2011 6:41 PM
>>To: arabic-vip at icann.org
>>Subject: [arabic-vip] normalization text
>>
>>Some of these cases are addressed automatically through the IDNA 2008
>>protocol specifications, which require the characters to be normalized
>>(in Normalized Form C) and treats them using Unicode's definition of
>>Canonical Equivalece.  However, it appears that in some cases
>>precomposed characters do not have Canonical Equivalence defined to a
>>series of code points that produces the same apparent (abstract)
>>character.  In cases where such Canonical Equivalence has not been
>>defined by Unicode (for various reasons), such cases would need to be
>>explicitly managed as variants.  See the status listed in the final
>>column of Appendix A.2 for some examples of this.
>>
>>
>>In addition, near the end of section 5, there's this:
>>
>>    A general rule may be extracted that combining marks are not
>>    allowed for TLDs.  However, before finalizing such a policy,
>>    consequences for African and other languages, which use these
>>    marks (especially U+065A - U+065F), should also be considered.
>>
>>I'd adjust it to this:
>>
>>    A general rule may be extracted that combining marks should not be
>>    allowed for TLDs.  However, before finalizing such a policy,
>>    consequences for African and other languages, which use these
>>    marks (especially U+065A - U+065F), should also be considered.  In
>>    addition, the team did not have time to perform an exhaustive
>>    analysis of Unicode's Canonical Equivalence for any effect that
>>    depends on any of these characters.  If a character in NFC form
>>    ends up depending on one of the combining marks, then it might be
>>    that the code point needs to be permitted in some circumstances.
>>
>>Does this help?
>>
>>A
>>
>>--
>>Andrew Sullivan
>>ajs at anvilwalrusden.com