- From: Vint Cerf <vint@google.com>
- Date: Wed, 29 Jul 2009 05:09:04 -0400
- To: Larry Masinter <masinter@adobe.com>
- Cc: ""Martin J. Dürst"" <duerst@it.aoyama.ac.jp>, "PUBLIC-IRI@W3.ORG" <PUBLIC-IRI@w3.org>, URI <uri@w3.org>, "John Klensin (klensin@jck.com)" <klensin@jck.com>
i do not believe it is possible under IDNA2008 (nor under IDNA2003?) to register percent-escaped strings in the domain name universe. double checking. we did not deserve that last comment - but it was funny anyway. v On Jul 29, 2009, at 3:07 AM, Larry Masinter wrote: > I confess that I'm just coming back up to speed on the > issues, and hope you'll forgive me for missing some of > the history, > > It seems there are at least two communities (IDN/IDNA and > IRI/WEB) which should have been working together for > the past many years, haven't been, and we're now facing > some difficulties in bringing their perspectives together, > especially when those perspectives have been built > into long-standing and finely argued documents. > > I'm not entirely sure of the use case and difficulties, > which I will try to track down in more detail. > > Just as personal speculation, however, > I could easily imagine some problems if it were > possible to register domain names which actually > contained percent-hex-hex sequences. > > www.%77%33.org vs www.w3.org? > > Perhaps that would be a problem not just for IRIs > but for other kinds of processing too. Can this > be disallowed at the URI parsing level? Only at > the IRI level? > > I see the difficulties of creating a provision for > scheme-specific parsing and restrictions on host names > containing %xx hex-encoded bytes in URIs are even > greater than what I imagined. > > >> That would be >> http://validator.w3.org/check?uri=http://恵比寿駅.jp/ > > I'm sure there are difficulties even in circumstances that > don't use "?", but this is especially difficult since the > HTML-URL/HREF/WebAddress handling of non-ASCII query parameters > adds some ambiguity to the translation of this into URI space. > >> It's very clearly impossible to rule this out. > > Difficult, but not impossible. > >> But even before that, doing scheme-wise processing >> kills the U in URIs. > > And the I in Internationalized and several other things. Let's > stick to identifying issues and alternatives. > >> I think this is unfortunate and a pretty drastic change >> to the IRI document, but I don't think we're going to make >> progress if we don't take the bull by the horns. > >> Before taking anything by the horns (or the tail, or whatever) I'd >> like >> to know in great details what exactly the actual (or pretended) >> bull is. > > And if there there are two bulls there would be > four horns, a Tetralemma, and quite a bit of BS. > > Larry > -- > http://larry.masinter.net >
Received on Wednesday, 29 July 2009 11:20:28 UTC