Katakana Middle Dot again (Was: tables-06b.txt: A.5, A.6, A.9)

Vint Cerf vint at google.com
Fri Aug 7 13:08:15 CEST 2009

your recollection mirrors mine regarding requiring at least one Han,  
Katakana or Hiragana character in the label.


On Aug 7, 2009, at 5:39 AM, John C Klensin wrote:

> --On Friday, August 07, 2009 09:49 +0200 Patrik Fältström
> <patrik at frobbit.se> wrote:
>> The rule I am thinking about is the following:
>> False;
>> For All Characters:
>>    If Script(cp) .in. {Hiragana, Katakana, Han} Then True;
>> Note that the Script of Katakana Middle Dot is neither of
>> "Hiragana",   "Katakana" or "Han".
> This works for me, but I'm a little ignorant about the issues.
> More important, the pseudo-code is a little confusing.  My
> impression in Sweden is that we wanted to switch the requirement
> from "each character in the label other than the middle dot
> itself must be in one of those scripts" to "at least one
> character in the label must be in one of those scripts".   If
> our intention is the latter, then I think the above accomplishes
> that and is correct, but an added comment in your note might be
> helpful, e.g., have the note read (including a small editorial
> suggestion):
> 	Note that the Script of Katakana Middle Dot is not any
> 	of "Hiragana", "Katakana" or "Han".    The effect of
> 	this rule is to require at least one character in "cp"
> 	to be in one of those scripts.
> --john

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