InSC and InPC changes for 17.0β (#1130)

* UTC-181-A111 Propose text for comments on IndicSyllabicCategory.txt in the description of InSC=Consonant and InSC=Consonant_Placeholder to clarify the classification of the group of characters mentioned in L2/24-203, including a specific mention of U+0F68 TIBETAN LETTER A, for Unicode Version 17.0. [Ref. Section 4.6 of document L2/24-228]

* Regenerate UCD

* UTC-181-A110 Change the Indic_Syllabic_Category of U+11A50 SOYOMBO LETTER A and U+11A00 ZANABAZAR SQUARE LETTER A from Vowel_Independent to Consonant, and that of U+1900 LIMBU VOWEL-CARRIER LETTER from Consonant_Placeholder to Consonant, for Unicode Version 17.0. [Ref. Section 4.6 of document L2/24-228]

* UTC-183-A33 Change the Indic_Syllabic_Category for U+11A3A ZANABAZAR SQUARE CLUSTER-INITIAL LETTER RA to Consonant_With_Stacker (and remove it from IndicPositionalCategory.txt) and for U+11A86 SOYOMBO CLUSTER-INITIAL LETTER RA to Consonant_Preceding_Repha, as described in L2/25-119, for Unicode Version 17.0. [Ref. 3.2 in L2/25-091R]

* Regenerate UCD

Author: eggrobin

unicodetools/data/ucd/dev/IndicPositionalCategory.txt

@@ -591,7 +591,6 @@ ABE5          ; Top # Mn       MEETEI MAYEK VOWEL SIGN ANAP
 11A01         ; Top # Mn       ZANABAZAR SQUARE VOWEL SIGN I
 11A04..11A09  ; Top # Mn   [6] ZANABAZAR SQUARE VOWEL SIGN E..ZANABAZAR SQUARE VOWEL SIGN REVERSED I
 11A35..11A38  ; Top # Mn   [4] ZANABAZAR SQUARE SIGN CANDRABINDU..ZANABAZAR SQUARE SIGN ANUSVARA
-11A3A         ; Top # Lo       ZANABAZAR SQUARE CLUSTER-INITIAL LETTER RA
 11A51         ; Top # Mn       SOYOMBO VOWEL SIGN I
 11A54..11A56  ; Top # Mn   [3] SOYOMBO VOWEL SIGN E..SOYOMBO VOWEL SIGN OE
 11A84..11A89  ; Top # Lo   [6] SOYOMBO SIGN JIHVAMULIYA..SOYOMBO CLUSTER-INITIAL LETTER SA

unicodetools/data/ucd/dev/IndicSyllabicCategory.txt

@@ -1,5 +1,5 @@
 # IndicSyllabicCategory-17.0.0.txt
-# Date: 2025-01-27, 18:09:16 GMT
+# Date: 2025-05-08, 22:20:16 GMT
 # © 2025 Unicode®, Inc.
 # Unicode and the Unicode Logo are registered trademarks of Unicode, Inc. in the U.S. and other countries.
 # For terms of use and license, see https://www.unicode.org/terms_of_use.html
@@ -473,8 +473,6 @@ ABD1          ; Vowel_Independent # Lo       MEETEI MAYEK LETTER ATIYA
 11909         ; Vowel_Independent # Lo       DIVES AKURU LETTER O
 119A0..119A7  ; Vowel_Independent # Lo   [8] NANDINAGARI LETTER A..NANDINAGARI LETTER VOCALIC RR
 119AA..119AD  ; Vowel_Independent # Lo   [4] NANDINAGARI LETTER E..NANDINAGARI LETTER AU
-11A00         ; Vowel_Independent # Lo       ZANABAZAR SQUARE LETTER A
-11A50         ; Vowel_Independent # Lo       SOYOMBO LETTER A
 11C00..11C08  ; Vowel_Independent # Lo   [9] BHAIKSUKI LETTER A..BHAIKSUKI LETTER VOCALIC L
 11C0A..11C0D  ; Vowel_Independent # Lo   [4] BHAIKSUKI LETTER E..BHAIKSUKI LETTER AU
 11D00..11D06  ; Vowel_Independent # Lo   [7] MASARAM GONDI LETTER A..MASARAM GONDI LETTER E
@@ -791,6 +789,8 @@ A926..A92A    ; Vowel # Mn   [5] KAYAH LI VOWEL UE..KAYAH LI VOWEL O
 # Indic script layout (NBSP and dotted circle), as well as a few script-
 # specific vowel-holder characters which are not technically
 # consonants, but serve instead as bases for placement of vowel marks.
+# Vowel carriers that are null consonants instead have the
+# Indic_Syllabic_Category Consonant.
 
 # [Not derivable]
 
@@ -801,7 +801,6 @@ A926..A92A    ; Vowel # Mn   [5] KAYAH LI VOWEL UE..KAYAH LI VOWEL O
 0A72..0A73    ; Consonant_Placeholder # Lo   [2] GURMUKHI IRI..GURMUKHI URA
 104B          ; Consonant_Placeholder # Po       MYANMAR SIGN SECTION
 104E          ; Consonant_Placeholder # Po       MYANMAR SYMBOL AFOREMENTIONED
-1900          ; Consonant_Placeholder # Lo       LIMBU VOWEL-CARRIER LETTER
 1CFA          ; Consonant_Placeholder # Lo       VEDIC SIGN DOUBLE ANUSVARA ANTARGOMUKHA
 2010..2014    ; Consonant_Placeholder # Pd   [5] HYPHEN..EM DASH
 25CC          ; Consonant_Placeholder # So       DOTTED CIRCLE
@@ -814,7 +813,14 @@ AA74..AA76    ; Consonant_Placeholder # Lo   [3] MYANMAR LOGOGRAM KHAMTI OAY..MY
 
 # Indic_Syllabic_Category=Consonant
 
-# Consonant (ordinary abugida consonants, with inherent vowels)
+# Consonant
+# This includes ordinary abugida consonants with inherent vowels.
+# In scripts that do not have distinct independent vowel characters, but instead
+# form independent vowels by adding dependent vowels to a vowel carrier which
+# otherwise represents the inherent vowel, that vowel carrier has the
+# Indic_Syllabic_Category Consonant, as a null consonant. Such vowel carriers
+# can often also be analyzed as glottal stops with inherent vowels.
+# An example is U+0F68 ཨ TIBETAN LETTER A.
 
 # [Not derivable]
 
@@ -893,7 +899,7 @@ AA74..AA76    ; Consonant_Placeholder # Lo   [3] MYANMAR LOGOGRAM KHAMTI OAY..MY
 1763..176C    ; Consonant # Lo  [10] TAGBANWA LETTER KA..TAGBANWA LETTER YA
 176E..1770    ; Consonant # Lo   [3] TAGBANWA LETTER LA..TAGBANWA LETTER SA
 1780..17A2    ; Consonant # Lo  [35] KHMER LETTER KA..KHMER LETTER QA
-1901..191E    ; Consonant # Lo  [30] LIMBU LETTER KA..LIMBU LETTER TRA
+1900..191E    ; Consonant # Lo  [31] LIMBU VOWEL-CARRIER LETTER..LIMBU LETTER TRA
 1950..1962    ; Consonant # Lo  [19] TAI LE LETTER KA..TAI LE LETTER NA
 1980..19AB    ; Consonant # Lo  [44] NEW TAI LUE LETTER HIGH QA..NEW TAI LUE LETTER LOW SUA
 1A00..1A16    ; Consonant # Lo  [23] BUGINESE LETTER KA..BUGINESE LETTER HA
@@ -970,7 +976,9 @@ ABD2..ABDA    ; Consonant # Lo   [9] MEETEI MAYEK LETTER GOK..MEETEI MAYEK LETTE
 11915..11916  ; Consonant # Lo   [2] DIVES AKURU LETTER NYA..DIVES AKURU LETTER TTA
 11918..1192F  ; Consonant # Lo  [24] DIVES AKURU LETTER DDA..DIVES AKURU LETTER ZA
 119AE..119D0  ; Consonant # Lo  [35] NANDINAGARI LETTER KA..NANDINAGARI LETTER RRA
+11A00         ; Consonant # Lo       ZANABAZAR SQUARE LETTER A
 11A0B..11A32  ; Consonant # Lo  [40] ZANABAZAR SQUARE LETTER KA..ZANABAZAR SQUARE LETTER KSSA
+11A50         ; Consonant # Lo       SOYOMBO LETTER A
 11A5C..11A83  ; Consonant # Lo  [40] SOYOMBO LETTER KA..SOYOMBO LETTER KSSA
 11C0E..11C2E  ; Consonant # Lo  [33] BHAIKSUKI LETTER KA..BHAIKSUKI LETTER HA
 11C72..11C8F  ; Consonant # Lo  [30] MARCHEN LETTER KA..MARCHEN LETTER A
@@ -1016,6 +1024,7 @@ ABD2..ABDA    ; Consonant # Lo   [9] MEETEI MAYEK LETTER GOK..MEETEI MAYEK LETTE
 1CF5..1CF6    ; Consonant_With_Stacker # Lo   [2] VEDIC SIGN JIHVAMULIYA..VEDIC SIGN UPADHMANIYA
 11003..11004  ; Consonant_With_Stacker # Lo   [2] BRAHMI SIGN JIHVAMULIYA..BRAHMI SIGN UPADHMANIYA
 11460..11461  ; Consonant_With_Stacker # Lo   [2] NEWA SIGN JIHVAMULIYA..NEWA SIGN UPADHMANIYA
+11A3A         ; Consonant_With_Stacker # Lo       ZANABAZAR SQUARE CLUSTER-INITIAL LETTER RA
 
 # ================================================
 
@@ -1027,8 +1036,8 @@ ABD2..ABDA    ; Consonant # Lo   [9] MEETEI MAYEK LETTER GOK..MEETEI MAYEK LETTE
 
 111C2..111C3  ; Consonant_Prefixed # Lo   [2] SHARADA SIGN JIHVAMULIYA..SHARADA SIGN UPADHMANIYA
 1193F         ; Consonant_Prefixed # Lo       DIVES AKURU PREFIXED NASAL SIGN
-11A3A         ; Consonant_Prefixed # Lo       ZANABAZAR SQUARE CLUSTER-INITIAL LETTER RA
-11A84..11A89  ; Consonant_Prefixed # Lo   [6] SOYOMBO SIGN JIHVAMULIYA..SOYOMBO CLUSTER-INITIAL LETTER SA
+11A84..11A85  ; Consonant_Prefixed # Lo   [2] SOYOMBO SIGN JIHVAMULIYA..SOYOMBO SIGN UPADHMANIYA
+11A87..11A89  ; Consonant_Prefixed # Lo   [3] SOYOMBO CLUSTER-INITIAL LETTER LA..SOYOMBO CLUSTER-INITIAL LETTER SA
 
 # ================================================
 
@@ -1042,6 +1051,7 @@ ABD2..ABDA    ; Consonant # Lo   [9] MEETEI MAYEK LETTER GOK..MEETEI MAYEK LETTE
 0D4E          ; Consonant_Preceding_Repha # Lo       MALAYALAM LETTER DOT REPH
 113D1         ; Consonant_Preceding_Repha # Lo       TULU-TIGALARI REPHA
 11941         ; Consonant_Preceding_Repha # Lo       DIVES AKURU INITIAL RA
+11A86         ; Consonant_Preceding_Repha # Lo       SOYOMBO CLUSTER-INITIAL LETTER RA
 11D46         ; Consonant_Preceding_Repha # Lo       MASARAM GONDI REPHA
 11F02         ; Consonant_Preceding_Repha # Lo       KAWI SIGN REPHA
 

unicodetools/data/ucd/dev/auxiliary/GraphemeBreakProperty.txt

@@ -1,5 +1,5 @@
 # GraphemeBreakProperty-17.0.0.txt
-# Date: 2025-01-27, 18:09:16 GMT
+# Date: 2025-05-08, 22:20:13 GMT
 # © 2025 Unicode®, Inc.
 # Unicode and the Unicode Logo are registered trademarks of Unicode, Inc. in the U.S. and other countries.
 # For terms of use and license, see https://www.unicode.org/terms_of_use.html
@@ -30,12 +30,11 @@
 113D1         ; Prepend # Lo       TULU-TIGALARI REPHA
 1193F         ; Prepend # Lo       DIVES AKURU PREFIXED NASAL SIGN
 11941         ; Prepend # Lo       DIVES AKURU INITIAL RA
-11A3A         ; Prepend # Lo       ZANABAZAR SQUARE CLUSTER-INITIAL LETTER RA
 11A84..11A89  ; Prepend # Lo   [6] SOYOMBO SIGN JIHVAMULIYA..SOYOMBO CLUSTER-INITIAL LETTER SA
 11D46         ; Prepend # Lo       MASARAM GONDI REPHA
 11F02         ; Prepend # Lo       KAWI SIGN REPHA
 
-# Total code points: 28
+# Total code points: 27
 
 # ================================================
 

unicodetools/src/main/resources/org/unicode/text/UCD/MakeUnicodeFiles.txt

@@ -1168,10 +1168,19 @@ Value: Consonant_Placeholder
 # Indic script layout (NBSP and dotted circle), as well as a few script-
 # specific vowel-holder characters which are not technically
 # consonants, but serve instead as bases for placement of vowel marks.
+# Vowel carriers that are null consonants instead have the
+# Indic_Syllabic_Category Consonant.
 
 # [Not derivable]
 Value: Consonant
-# Consonant (ordinary abugida consonants, with inherent vowels)
+# Consonant
+# This includes ordinary abugida consonants with inherent vowels.
+# In scripts that do not have distinct independent vowel characters, but instead
+# form independent vowels by adding dependent vowels to a vowel carrier which
+# otherwise represents the inherent vowel, that vowel carrier has the
+# Indic_Syllabic_Category Consonant, as a null consonant. Such vowel carriers
+# can often also be analyzed as glottal stops with inherent vowels.
+# An example is U+0F68 ཨ TIBETAN LETTER A.
 
 # [Not derivable]
 Value: Consonant_Dead