Shawn Steele Shawn.Steele at microsoft.com
Thu Dec 3 05:52:53 CET 2009

Thanks, I know what it does :)  It ends up as a lower case i, which already has a dot, followed by another combining dot.  Dot's are supposed to stack (though they don't seem to in my UI), so it's an i with 2 dots on top of each other (though it seems to render more like an i with an off-center dieresis).

I suppose it doesn't really count, since i is LATIN SMALL LETTER I, and doesn't really have a "dot" like a precomposed character does, even though it looks like it.  Anyway, the effect is really unexpected (to me), and I would think that a Turkish user probably wouldn't be terribly satisfied by the result.

What I'm curious about is the reasoning behind that curious mapping?


-----Original Message-----
From: idna-update-bounces at alvestrand.no [mailto:idna-update-bounces at alvestrand.no] On Behalf Of Erik van der Poel
Sent: ,  02,  2009 20:31
To: Shawn Steele
Cc: idna-update at alvestrand.no; Kent Karlsson
Subject: Re: U+0130


On Wed, Dec 2, 2009 at 8:29 PM, Shawn Steele <Shawn.Steele at microsoft.com> wrote:
>> Dotless i (U+0131) is already supported by IDNA2003.
> Can someone help me understand the mapping for U+0130 in IDNA2003?  I hadn't seen that at the time, and it ended up somewhere not at all intuitive to me.
> -Shawn
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