Re: [precis] Category changes with Unicode 6.3

[Patrik Fältström <[e-mail]>]

Executive summary: Does not impact IDNA2008.

Longer explanation:

On 16 okt 2013, at 05:34, Martin J. Dürst <[e-mail]> 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