High-level changes from IDNA2003 in the "current work"

Vint Cerf vint at google.com
Fri Mar 7 00:18:27 CET 2008


that looks like a pretty good list. harald alvestrand, john klensin  
and patrik faltstrom will likely have more precise response.  I  
wonder if it is worth summarizing "by document" ?

On Mar 6, 2008, at 6:02 PM, Paul Hoffman wrote:

> Hi again. It would be useful for those coming in late to have a  
> summary of what changes are embodied in the current set of  
> documents. Here's my first take on such a list. If people like this  
> format, it could be used as the beginning of an outline for the BoF/ 
> WG.
> a) Update base character set from Unicode 3.2 to Unicode 5.0 or 5.1
> b) Disallow most symbol characters
> c) Remove the mapping and normalization steps from the protocol and  
> have them instead done by the applications themselves, possibly in  
> a local fashion, before invoking the protocol
> d) Change the way that the protocol specifies which characters are  
> allowed in labels from "humans decide what the table of codepoints  
> contains" to "decision about codepoints are based on Unicode  
> properties plus a small exclusion list created by humans"
> e) Allowing typical words and names in languages such as Dhivehi  
> and Yiddish to be expressed
> f) Make bidirectional domain names (delimited strings of labels,  
> not just labels standing on their own) display in a non-surprising  
> fashion
> g) Make bidirectional domain names in a paragraph display in a non- 
> surprising fashion
> Is the list a fair categorization? Should more items be added?  
> Should some items be removed?
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