IDNNever.txt
Martin Duerst
duerst at it.aoyama.ac.jp
Mon Mar 5 12:54:13 CET 2007
At 18:03 07/03/04, fujiwara at jprs.co.jp wrote:
>I compared these two tables with IANA registered IDN tables.
>
>IANA IDN Registry is
> http://www.iana.org/assignments/idn/registered.htm
>
>I found two characters which are listed in IDNNever table and listed
>in 'th-thai' table.
>
>th-thai.html:U+002e: defined but IDNNever
>th-thai.html:U+0e33: defined but IDNNever
>
># U+002E defined in th-thai table should be a mistake, I think.
Of course. Somebody thought they needed to list the period.
># I don't know about U+0E33 character.
It has a compatibility decomposition into U+0E4D and U+0E32.
That means that nameprep2003 normalizes such sequences of characters
into U+0E33. That it turn may mean that the idea to say goodby
completely to NFKC (and go purely with NFC) may have to be
revisited.
>I found six characters which are not listed in IDNPermitted table but
>listed in IANA Registered IDN tables.
>
>jp-japanese.html U+3007
This is the ideographic zero. There are a lot of Web sites
with names such as www2007.org. It would seem appropriate that
you could do something similar with ideographic numerals.
>jp-japanese.html U+30fb
This is the (ideographic) middle dot. It wasn't allowed in XML
names in XML 1.0, but we received quite a bit of feedback that
that was a mistake.
>pl-greek.html U+0390
>pl-greek.html U+03b0
These are iota/ypsilon with dialytica and tonos.
Looking at some Web sites, this seems to be part of
standard Greek orthography, but I might be wrong.
And I don't know whether adding accents (tonos)
is a good practice or not for domain names.
>th-thai.html U+002e
>th-thai.html U+0e33
These are the two discussed above.
Regards, Martin.
>jp-japanese table case, U+3007 and U+30FB are used in proper nouns in
>JAPAN.
>
>--
>Kazunori Fujiwara, JPRS
>_______________________________________________
>Idna-update mailing list
>Idna-update at alvestrand.no
>http://www.alvestrand.no/mailman/listinfo/idna-update
#-#-# Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University
#-#-# http://www.sw.it.aoyama.ac.jp mailto:duerst at it.aoyama.ac.jp
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