Re: [precis] Category changes with Unicode 6.3

"Martin J. Dürst" <duerst@it.aoyama.ac.jp> Wed, 16 October 2013 07:05 UTC

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Date: Wed, 16 Oct 2013 16:04:31 +0900
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Cc: "idna-update@alvestrand.no" <idna-update@alvestrand.no>, "precis@ietf.org" <precis@ietf.org>
Subject: Re: [precis] Category changes with Unicode 6.3
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Hello Patrick,

Many thanks for checking. Great to see that everything is okay.

Regards,   Martin.

On 2013/10/16 14:40, Patrik Fältström wrote:
> Executive summary: Does not impact IDNA2008.
>
> Longer explanation:
>
> On 16 okt 2013, at 05:34, Martin J. Dürst<duerst@it.aoyama.ac.jp>  wrote:
>
>> Excuse me if this has been checked and/or discussed already, but I just downloaded the Unicode 6.3 version (officially published a few days ago) of http://www.unicode.org/Public/UCD/latest/ucd/UnicodeData.txt and found several changes in character classification:
>>
>> OLD
>> 180E;MONGOLIAN VOWEL SEPARATOR;Zs;0;WS;;;;;N;;;;;
>> NEW
>> 180E;MONGOLIAN VOWEL SEPARATOR;Cf;0;BN;;;;;N;;;;;
>
> No change:
>
> $ grep '^180E;' ../6.[23].0/allcodepoints.txt
> ../6.2.0/allcodepoints.txt:180E;DISALLOWED;I;C;MONGOLIAN VOWEL SEPARATOR
> ../6.3.0/allcodepoints.txt:180E;DISALLOWED;I;C;MONGOLIAN VOWEL SEPARATOR
>
>> OLD
>> 1A1B;BUGINESE VOWEL SIGN AE;Mc;0;L;;;;;N;;;;;
>> NEW
>> 1A1B;BUGINESE VOWEL SIGN AE;Mn;0;NSM;;;;;N;;;;;
>
> No change:
>
> $ grep '^1A1B;' ../6.[23].0/allcodepoints.txt
> ../6.2.0/allcodepoints.txt:1A1B;PVALID;I;A;BUGINESE VOWEL SIGN AE
> ../6.3.0/allcodepoints.txt:1A1B;PVALID;I;A;BUGINESE VOWEL SIGN AE
>
>> OLD
>> 2308;LEFT CEILING;Sm;0;ON;;;;;Y;;;;;
>> 2309;RIGHT CEILING;Sm;0;ON;;;;;Y;;;;;
>> 230A;LEFT FLOOR;Sm;0;ON;;;;;Y;;;;;
>> 230B;RIGHT FLOOR;Sm;0;ON;;;;;Y;;;;;
>> NEW
>> 2308;LEFT CEILING;Ps;0;ON;;;;;Y;;;;;
>> 2309;RIGHT CEILING;Pe;0;ON;;;;;Y;;;;;
>> 230A;LEFT FLOOR;Ps;0;ON;;;;;Y;;;;;
>> 230B;RIGHT FLOOR;Pe;0;ON;;;;;Y;;;;;
>
> No change:
>
> $ egrep '^230[89AB];' ../6.[23].0/allcodepoints.txt
> ../6.2.0/allcodepoints.txt:2308;DISALLOWED;I;;LEFT CEILING
> ../6.2.0/allcodepoints.txt:2309;DISALLOWED;I;;RIGHT CEILING
> ../6.2.0/allcodepoints.txt:230A;DISALLOWED;I;;LEFT FLOOR
> ../6.2.0/allcodepoints.txt:230B;DISALLOWED;I;;RIGHT FLOOR
> ../6.3.0/allcodepoints.txt:2308;DISALLOWED;I;;LEFT CEILING
> ../6.3.0/allcodepoints.txt:2309;DISALLOWED;I;;RIGHT CEILING
> ../6.3.0/allcodepoints.txt:230A;DISALLOWED;I;;LEFT FLOOR
> ../6.3.0/allcodepoints.txt:230B;DISALLOWED;I;;RIGHT FLOOR
>
>> Can somebody check whether and how they affect IDNA 2008 and/or precis?
>>
>> Again, if that has already been done, sorry for the noise.
>>
>> Regards,   Martin.
>>
>>
>> P.S.:
>> All the other changes in UnicodeData.txt:
>>
>> Change in numerical value only:
>>
>> OLD
>> 12456;CUNEIFORM NUMERIC SIGN NIGIDAMIN;Nl;0;L;;;;-1;N;;;;;
>> 12457;CUNEIFORM NUMERIC SIGN NIGIDAESH;Nl;0;L;;;;-1;N;;;;;
>> NEW
>> 12456;CUNEIFORM NUMERIC SIGN NIGIDAMIN;Nl;0;L;;;;2;N;;;;;
>> 12457;CUNEIFORM NUMERIC SIGN NIGIDAESH;Nl;0;L;;;;3;N;;;;;
>
> $ egrep '^1245[67];' ../6.[23].0/allcodepoints.txt
> ../6.2.0/allcodepoints.txt:12456;DISALLOWED;I;;CUNEIFORM NUMERIC SIGN NIGIDAMIN
> ../6.2.0/allcodepoints.txt:12457;DISALLOWED;I;;CUNEIFORM NUMERIC SIGN NIGIDAESH
> ../6.3.0/allcodepoints.txt:12456;DISALLOWED;I;;CUNEIFORM NUMERIC SIGN NIGIDAMIN
> ../6.3.0/allcodepoints.txt:12457;DISALLOWED;I;;CUNEIFORM NUMERIC SIGN NIGIDAESH
>
>> New characters (my understanding is that these are taken care of automatically):
>>
>> 061C;ARABIC LETTER MARK;Cf;0;AL;;;;;N;;;;;
>
> $ egrep '^061C;' ../6.[23].0/allcodepoints.txt
> ../6.2.0/allcodepoints.txt:061C;UNASSIGNED;I;J;<reserved>
> ../6.3.0/allcodepoints.txt:061C;DISALLOWED;I;C;ARABIC LETTER MARK
>
>> 2066;LEFT-TO-RIGHT ISOLATE;Cf;0;LRI;;;;;N;;;;;
>> 2067;RIGHT-TO-LEFT ISOLATE;Cf;0;RLI;;;;;N;;;;;
>> 2068;FIRST STRONG ISOLATE;Cf;0;FSI;;;;;N;;;;;
>> 2069;POP DIRECTIONAL ISOLATE;Cf;0;PDI;;;;;N;;;;;
>
> $ egrep '^206[6789];' ../6.[23].0/allcodepoints.txt
> ../6.2.0/allcodepoints.txt:2066;UNASSIGNED;I;CJ;<reserved>
> ../6.2.0/allcodepoints.txt:2067;UNASSIGNED;I;CJ;<reserved>
> ../6.2.0/allcodepoints.txt:2068;UNASSIGNED;I;CJ;<reserved>
> ../6.2.0/allcodepoints.txt:2069;UNASSIGNED;I;CJ;<reserved>
> ../6.3.0/allcodepoints.txt:2066;DISALLOWED;I;C;LEFT-TO-RIGHT ISOLATE
> ../6.3.0/allcodepoints.txt:2067;DISALLOWED;I;C;RIGHT-TO-LEFT ISOLATE
> ../6.3.0/allcodepoints.txt:2068;DISALLOWED;I;C;FIRST STRONG ISOLATE
> ../6.3.0/allcodepoints.txt:2069;DISALLOWED;I;C;POP DIRECTIONAL ISOLATE
>
>     Patrik
>