On 12/10/14, 11:22 PM, Patrik Fältström wrote:

On 11 dec 2014, at 05:36, Peter Saint-Andre - &yet
<[email protected]> wrote:

Are you saying that there are code points that match, say, the
LetterDigits category ("A") and the IgnorableProperties category
("C") and the OldHangulJamo category ("I")?

Yes. There are in fact two codepoints that matches all of A, C and I
at the same time. U+115F and U+1160.

Hope this below give you some data. The file allcodepoints.txt is one
I have produced with one of the software packages I have written as
part of my role as appointed expert re. IANA and IDNA. The file is in
this example generated for Unicode 7.0.0.

That's great, thank you.

Although it's good to know about this overlap, I am wondering if in practice it matters because in both IDNA2008 and PRECIS we specify the order of operations. Do you think we need to have an informational note about this in the framework, though?

Peter

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