Canonical Combining Class

Value

0

Abbr

NR

Count

309339

Not Reordered is the default combining class for base characters that do not combine with preceding marks.

Value

1

Abbr

OV

Count

34

Overlay is a spacing mark that combines with a base character by drawing a line or stroke through it, altering its appearance.

Value

6

Abbr

HANR

Count

2

Han Reading is a method for determining how CJK characters combine with diacritics, aiding in the proper ordering and rendering of annotated Han text.

Value

7

Abbr

NK

Count

27

Nukta is a combining class used for the diacritical mark that alters consonant pronunciation in Indic scripts, with a fixed numeric value.

Value

8

Abbr

KV

Count

2

Kana Voicing is a canonical combining class that marks the voicing mark in kana, affecting diacritic ordering in text.

Value

9

Abbr

VR

Count

69

Virama is a canonical combining class value of 9, indicating a spacing character that kills the inherent vowel of a preceding consonant.

Value

10

Abbr

CCC10

Count

2

CCC10 is a placeholder value for a canonical combining class that is not formally assigned, indicating no specific class applies.

Value

11

Abbr

CCC11

Count

1

CCC11 is assigned to Hebrew points, marking them as non-spacing marks that reorder with base characters.

Value

12

Abbr

CCC12

Count

1

CCC12 is a fixed spacing value used to indicate that a character attaches above its base letter in certain diacritic systems.

Value

13

Abbr

CCC13

Count

1

CCC13 is a combining class that indicates characters are positioned above the base letter, used for diacritical marks like acute accents.

Value

14

Abbr

CCC14

Count

1

CCC14 is assigned to marks that attach above the base character, specifically for subscript or superscript positioning, with a combining class of 14.

Value

15

Abbr

CCC15

Count

1

CCC15 is a fixed value assigned to certain combining marks, indicating they attach above or below their base character without reordering.

Value

16

Abbr

CCC16

Count

1

CCC16 is a fixed value indicating that two adjacent characters combine without reordering, typically used for marks attached to a base character.

Value

17

Abbr

CCC17

Count

1

CCC17 is a value assigned to characters like Greek ypogegrammeni, indicating they attach above the preceding base character in canonical decomposition.

Value

18

Abbr

CCC18

Count

2

CCC18 is a canonical combining class value indicating a subscript, assigned to characters like certain Arabic and Hebrew marks.

Value

19

Abbr

CCC19

Count

2

CCC19 is a canonical combining class value indicating a spacing split, meaning the mark is positioned between two base characters.

Value

20

Abbr

CCC20

Count

1

CCC20 is the Canonical Combining Class value assigned to Hebrew points, indicating they combine with base characters without reordering.

Value

21

Abbr

CCC21

Count

2

CCC21 is a fixed value for the canonical combining class, indicating the character is not reordered with others.

Value

22

Abbr

CCC22

Count

1

CCC22 is a numeric value indicating a character combines with preceding marks in a specific way, often for Hebrew or Arabic pointing.

Value

23

Abbr

CCC23

Count

1

CCC23 is a canonical combining class value indicating that a character is positioned above its base character, with a combining class of 23.

Value

24

Abbr

CCC24

Count

1

CCC24 is a numeric value used to define the canonical ordering of combining marks, specifically for marks with a fixed position in text.

Value

25

Abbr

CCC25

Count

1

CCC25 is a classification for characters that attach to a preceding base character in a specific, non-spacing way with a fixed combining order.

Value

26

Abbr

CCC26

Count

1

CCC26 is a canonical combining class value indicating that a character is attached above the preceding base character.

Value

27

Abbr

CCC27

Count

2

CCC27 is a combining class value indicating characters that form a distinct, indivisible unit in Arabic script, like medial forms, for canonical ordering.

Value

28

Abbr

CCC28

Count

2

CCC28 is a value indicating that a character reorders with adjacent marks as a distinct class, typically used for Musical Symbol Combining flags.

Value

29

Abbr

CCC29

Count

2

CCC29 is a canonical combining class indicating a non-spacing mark that attaches to the base character with a fixed, non-reordering priority.

Value

30

Abbr

CCC30

Count

2

CCC30 is a fixed combining class for characters that must not reorder, such as Hebrew points and Arabic vowel marks.

Value

31

Abbr

CCC31

Count

2

CCC31 is a fixed value indicating the character is a left-facing Hebrew vowel mark, with no reordering relative to adjacent marks.

Value

32

Abbr

CCC32

Count

2

CCC32 is a numeric value indicating that a character attaches directly above the preceding base character in a stacked diacritical mark.

Value

33

Abbr

CCC33

Count

1

CCC33 is a fixed value indicating that a character combines with the preceding base character using the “Above” attachment position.

Value

34

Abbr

CCC34

Count

1

CCC34 is a specific Canonical Combining Class value indicating that a character is attached above with 222 degrees, used for diacritical mark ordering.

Value

35

Abbr

CCC35

Count

1

CCC35 is a fixed value indicating a character is a starting mark that reorders before base characters in canonical decomposition.

Value

36

Abbr

CCC36

Count

1

CCC36 is a canonical combining class value indicating that a character is a subscript, positioned below the preceding base character.

Value

84

Abbr

CCC84

Count

1

CCC84 is a canonical combining class value indicating a character that attaches above or below its base, with a fixed, non-reordering position.

Value

91

Abbr

CCC91

Count

1

CCC91 is assigned to Hebrew presentation forms, indicating they decompose with a non-spacing mark that must attach to the preceding base character.

Value

103

Abbr

CCC103

Count

2

CCC103 is a fixed value indicating the character's diacritic attaches above the base with a specific combining position, used for precise text reordering.

Value

107

Abbr

CCC107

Count

4

CCC107 is a Canonical Combining Class value that marks the addition of a dot above a character, typically for Umlaut or diaeresis marks.

Value

118

Abbr

CCC118

Count

2

CCC118 is a canonical combining class value indicating that a character is attached above the preceding base character with a specific fixed position.

Value

122

Abbr

CCC122

Count

4

CCC122 is assigned to Hebrew points, marking them as above-base characters that reorder after base letters in canonical decomposition.

Value

129

Abbr

CCC129

Count

1

CCC129 is a value marking characters that must not be reordered during canonical composition, like Arabic diacritics.

Value

130

Abbr

CCC130

Count

6

CCC130 is a value indicating a character is attached above the base, with a combining class of 130.

Value

132

Abbr

CCC132

Count

1

CCC132 is a subclass that includes characters like Arabic vowels and marks, which attach to base letters during text shaping.

Value

133

Abbr

CCC133

Count

0

CCC133 is assigned to dotted circles and marks that must not reorder, blocking all canonical combining with preceding characters.

Value

200

Abbr

ATBL

Count

0

Attached Below Left is a numeric value (240) indicating a mark sits directly beneath its base character, left-aligned.

Value

202

Abbr

ATB

Count

5

Attached Below is a numeric value indicating that a character visually combines with the mark directly beneath it.

Value

214

Abbr

ATA

Count

1

Attached Above is a numeric value from 0 to 240 indicating how a mark combines with its base character.

Value

216

Abbr

ATAR

Count

15

Attached Above Right is a combining class value indicating a mark positioned above and to the right of its base character.

Value

218

Abbr

BL

Count

2

Below Left is a numeric priority level used to order diacritical marks, ensuring correct placement when combining characters in text rendering.

Value

220

Abbr

B

Count

197

Below is a numeric code, typically 0, indicating that a character does not combine with preceding characters in a specific way.

Value

222

Abbr

BR

Count

4

Below Right is a combining class of 220, indicating the mark attaches below and to the right of the base character.

Value

224

Abbr

L

Count

2

Left is a numeric code indicating diacritic positioning relative to the base character, used to reorder marks during text normalization.

Value

226

Abbr

R

Count

1

Right is a numeric code from 0 to 240 indicating the relative position for diacritic attachment, with higher values meaning closer to the base character.

Value

228

Abbr

AL

Count

5

Above Left is a combining class indicating characters that attach above and to the left of their base, used for diacritical marks.

Value

230

Abbr

A

Count

559

Above is a numeric value indicating that a character combines with a preceding base character by placement above it, affecting diacritic ordering.

Value

232

Abbr

AR

Count

7

Above Right is a canonical combining class value indicating that a mark is positioned above the preceding base character, slightly to its right.

Value

233

Abbr

DB

Count

4

Double Below is a value indicating a canonical combining class of 202, used for marks attached beneath a base character.

Value

234

Abbr

DA

Count

6

Double Above is a canonical combining class value indicating a diacritic that attaches above the base character, positioned high, with numeric value 233.

Value

240

Abbr

IS

Count

1

Iota Subscript is a numeric value of 240, used to adjust the positioning of diacritical marks in ancient Greek text.