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<DIV style="FONT-FAMILY: Verdana"> </DIV>
<DIV style="FONT-FAMILY: Verdana">Aà.com has been registered.</DIV>
<DIV style="FONT-FAMILY: Verdana">
<DIV
style="FONT-FAMILY: Verdana">http://www.verisigninc.com/en_US/products-and-services/register-domain-names/whois/index.xhtml
</DIV></DIV>
<DIV style="FONT-FAMILY: Verdana"> </DIV>
<DIV style="FONT-FAMILY: Verdana">
<DIV id=query_string>Your search for <B>Aà.com</B> returns the below
results:<BR></DIV>
<DIV id=header><BR>Whois Server Version
2.0<BR><BR> </DIV>
<DIV id=result_main> Domain Name: AÀ.COM
(XN--A-SFA.COM)<BR> Registrar: INTERNET.BS CORP.<BR>
Whois Server: whois.internet.bs<BR> Referral URL:
http://www.internet.bs<BR> Name Server:
NS1.SEDOPARKING.COM<BR> Name Server:
NS2.SEDOPARKING.COM<BR> Status:
clientTransferProhibited<BR> Updated Date:
12-sep-2013<BR> Creation Date: 22-feb-2009<BR>
Expiration Date: 22-feb-2014<BR></DIV><BR></DIV>
<DIV style="FONT-FAMILY: Verdana"> </DIV>
<DIV> </DIV>
<HR style="WIDTH: 210px; HEIGHT: 1px" align=left color=#b5c4df SIZE=1>
<DIV style="FONT-FAMILY: Verdana"><SPAN>Jiankang Yao</SPAN></DIV>
<DIV> </DIV>
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<DIV><B>From:</B> <A href="mailto:ajs@anvilwalrusden.com">Andrew
Sullivan</A></DIV>
<DIV><B>Date:</B> 2014-01-16 10:52</DIV>
<DIV><B>To:</B> <A href="mailto:yaojk@cnnic.cn">Jiankang Yao</A></DIV>
<DIV><B>CC:</B> <A href="mailto:annevk@annevk.nl">Anne van Kesteren</A>; <A
href="mailto:mark@macchiato.com">Mark Davis ?</A>; <A
href="mailto:public-iri@w3.org">PUBLIC-IRI@W3.ORG</A>; <A
href="mailto:uri@w3.org">uri@w3.org</A>; <A href="mailto:klensin@jck.com">John C
Klensin</A>; <A href="mailto:idna-update@alvestrand.no">IDNA update work</A>; <A
href="mailto:vint@google.com">Vint Cerf</A>; <A
href="mailto:www-tag@w3.org">www-tag.w3.org</A></DIV>
<DIV><B>Subject:</B> Re: Re: Standardizing on IDNA 2003 in the URL
Standard</DIV></DIV></DIV>
<DIV>
<DIV>On Thu, Jan 16, 2014 at 10:07:36AM +0800, Jiankang Yao wrote:</DIV>
<DIV>> </DIV>
<DIV>> In which section of rfc idnabis does say some meaning related to that " "Aà.com" is not PVALID"?</DIV>
<DIV> </DIV>
<DIV>Upper case characters are not PVALID. This is because of B:</DIV>
<DIV>toNFKC(toCaseFold(toNFKC(cp))) != cp. In appendix B.1 it's</DIV>
<DIV>illustrated in this entry:</DIV>
<DIV> </DIV>
<DIV>003A..0060 ; DISALLOWED # COLON..GRAVE ACCENT</DIV>
<DIV> </DIV>
<DIV>> I check Aà.com in verisign conversion tool, it shows "xn--a-sfa.com"</DIV>
<DIV>> </DIV>
<DIV>> http://mct.verisign-grs.com/convertServlet?input=A%C3%A0.com </DIV>
<DIV>> </DIV>
<DIV>> does it follow idna2003 instead of idnabis?</DIV>
<DIV> </DIV>
<DIV>I have no idea. Maybe it has a bug. Or maybe it does case mapping</DIV>
<DIV>before it touches the string; that's what RFC 5895 suggests. In that</DIV>
<DIV>case, of course, the Verisign conversion tool includes some things</DIV>
<DIV>that applications are supposed to do.</DIV>
<DIV> </DIV>
<DIV>A</DIV>
<DIV> </DIV>
<DIV>-- </DIV>
<DIV>Andrew Sullivan</DIV>
<DIV>ajs@anvilwalrusden.com</DIV></DIV></BODY></HTML>