draft-liman-tld-names-00.txt and bidi

Martin Duerst duerst at it.aoyama.ac.jp
Tue Mar 10 05:03:34 CET 2009

Hello Paul,

Based on my experience with the bidi algorithm, it is my strong
guess that trailing digits after letters in the TLD cannot
'jump the dot' for freestanding domain names.

However, I clearly agree with Erik that this is not the full story.

Regards,   Martin.

At 08:25 09/03/10, Paul Hoffman wrote:
>At 3:44 PM -0700 3/9/09, Tina Dam wrote:
>>Just FYI, the leading and trailing digit prohibition we have is for the 
>U-label, because it in certain instances will 'jump the digit'.
>Tina, could you post a specific example where a *trailing* digit in a TLD 
>causes that in a domain name? I'm not saying that it can't happen, but I 
>couldn't create an example where it did.

At 09:12 09/03/10, Paul Hoffman wrote:
>At 5:00 PM -0700 3/9/09, Erik van der Poel wrote:
>>Some may consider URLs irrelevant in this discussion, but if you have
>>an RTL TLD with a trailing digit followed by a path with a leading
>>digit, the TLD gets split up, with one piece on one side of the slash
>>and the other piece on the other side.
>>http://HEBREW1/2 -->> http://1/2HEBREW
>>(I don't know whether actual bidi users would find this objectionable.)
>Two things here:
>- I was asking specifically about domain names, not IRIs. There are other 
>things in IRIs that cause problems that are not related to this discussion.
>- I don't think we should expect to see a URL of <http://tld/index.html>. I 
>was specifically asking about TLDs, not just any label, because TLDs always 
>have a label to the left of them in common usage.
>Idna-update mailing list
>Idna-update at alvestrand.no

#-#-#  Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University
#-#-#  http://www.sw.it.aoyama.ac.jp       mailto:duerst at it.aoyama.ac.jp     

More information about the Idna-update mailing list