High-level changes from IDNA2003 in the "current work"
newcat at icu.ac.kr
Fri Mar 7 02:58:48 CET 2008
First of all, thanks to Paul for this try. It will be very helpful for
late and hasty comers.
Since not all late comers are interested in all aspects of IDN(A), this
list will be more useful for them if it describes which documents are
relevant for each listed item.
Vint Cerf wrote:
> 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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>> Idna-update at alvestrand.no
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