| Value: | [ <symbol> = <ident>
The symbols and additive-symbols descriptors specify the symbols
used by the marker-construction algorithm specified by the system descriptor.
The symbols descriptor must be specified if the counter system is cyclic,
numeric, alphabetic, symbolic, or fixed, and the
additive-symbols descriptor must be specified if the counter system is
additive; otherwise, the @counter-style is invalid and must be ignored.
Some counter systems specify that the symbols descriptor must have at
least two entries. If the counter style’s system is such, and the symbols
descriptor has only a single entry, the counter style is invalid and must
be ignored.
Each entry in the symbols descriptor’s value defines a counter symbol,
which is interpreted differently based on the counter style’s system. Each
entry in the additive-symbols descriptor’s value defines an additive tuple,
which consists of a counter symbol and a non-negative integer weight.
Each weight must be a non-negative integer, and the additive tuples
must be specified in order of descending weight; otherwise, the @counter-style
is invalid and must be ignored.
Counter symbols may be strings, images, or identifiers,
and the three types can be mixed in a single descriptor.
Counter representations are constructed by concatenating counter symbols together.
Identifiers are rendered as strings containing the same characters.
Images are rendered as inline replaced elements.
The default object size of an image counter symbol is a 1em by 1em square.
Note: If using identifiers rather than strings to define the symbols,
be aware of the syntax of identifiers.
In particular, ascii non-letters like "*" are not identifiers,
and so must be quoted in a string.
Hex escapes,
used in several of the counter styles defined in this specification,
"eat" the following space
(to allow a digit to follow a hex escape without ambiguity),
so two spaces must be put after a hex escape
to separate it from the following one,
or else they’ll be considered adjacent,
and part of the same identifier.
3.9
Speech Synthesis: the speak-as descriptor
A counter style can be constructed with a meaning that is obvious visually,
but impossible to meaningfully represent via a speech synthesizer,
or possible but nonsensical when naively read out.
The speak-as descriptor describes how to synthesize the spoken form of a counter formatted with the given counter style.
Values have the following meanings:
- auto
-
If the counter style’s system is alphabetic,
this value has the same effect as spell-out.
If the system is cyclic,
this value has the same effect as bullets.
If the system is extends,
this value has the same effect as auto would have for the extended style.
Otherwise, this value has the same effect as numbers.
- bullets
-
The UA speaks a UA-defined phrase or audio cue that represents an unordered list item being read out.
- numbers
-
The counter’s value is spoken as a number in the document language.
- words
-
Generate a counter representation for the value as normal,
then speak it as normal text in the document language.
- spell-out
-
Generate a counter representation for the value as normal,
then spell it out letter-by-letter in the document language.
If the UA does not know how to pronounce the symbols,
it may handle it as numbers.
For example, lower-greek in English would be read out as "alpha", "beta", "gamma", etc.
Conversely, upper-latin in French would be read out as (in phonetic notation) /a/, /be/, /se/, etc.
- <counter-style-name>
-
The counter’s value is instead spoken out in the specified style
(similar to the behavior of the fallback descriptor when generating representations for a counter value).
If the specified style does not exist,
this value is treated as auto.
If a loop is detected when following speak-as references,
this value is treated as auto
for the counter styles participating in the loop.
The ability to defer pronunciation to another counter style can help when the symbols being used aren’t actually letters.
For example, here’s a possible definition of a circled-lower-latin counter-style, using some special unicode characters:
@counter-style circled-lower-latin {
system: alphabetic;
speak-as: lower-latin;
symbols: ⓐ ⓑ ⓒ ⓓ ⓔ ⓕ ⓖ ⓗ ⓘ ⓙ ⓚ ⓛ ⓜ ⓝ ⓞ ⓟ ⓠ ⓡ ⓢ ⓣ ⓤ ⓥ ⓦ ⓧ ⓨ ⓩ;
suffix: " ";
}
Setting its system to alphabetic would normally make the UA try to read out the names of the characters,
but in this case that might be something like "Circled Letter A",
which is unlikely to make sense.
Instead, explicitly setting speak-as to lower-latin ensures that they get read out as their corresponding latin letters, as intended.
4
Defining Anonymous Counter Styles: the symbols() function
The symbols() function allows a counter style to be defined inline in a property value,
for when a style is used only once in a stylesheet and defining a full @counter-style rule would be overkill.
It does not provide the full feature-set of the @counter-style rule,
but provides a sufficient subset to still be useful.
The syntax of the symbols() rule is:
symbols() = symbols( <symbols-type><image> ]+ );
<symbols-type> = cyclic | fixed;
The symbols() function defines an anonymous counter style
with no name,
a prefix of "" (empty string)
and suffix of " " (U+0020 SPACE),
a range of auto,
a fallback of decimal,
a negative of "\2D" ("-" hyphen-minus),
a pad of 0 "",
and a speak-as of auto.
The counter style’s algorithm is constructed
by consulting the previous chapter using the provided system —
or symbolic if the system was omitted —
and the provided <image>s as the value of the symbols property.
If the system is fixed, the first symbol value is 1.
If the system is alphabetic or numeric,
there must be at least two <image>s,
or else the function is invalid.
This code:
ol { list-style: symbols("*" "\2020" "\2021" "\A7"); }
will produce lists that look like:
* One
† Two
‡ Three
§ Four
** Five
†† Six
‡‡ Seven
On the other hand, specifying the system of counter, like so:
ol { list-style: symbols(cyclic "*" "\2020" "\2021" "\A7"); }
will produce lists that look like:
* One
† Two
‡ Three
§ Four
* Five
† Six
‡ Seven
Note: the symbols() function only allows strings and images,
while the symbols descriptor of a @counter-style rule also allows identifiers.
In CSS Level 2 [CSS21] the counters() notations
accept various pre-defined keywords, each identifying a counter style.
This module extends these features to take instead the <counter-style> type, defined below:
<counter-style> = <counter-style-name> | symbols();
If a <counter-style-name> is used that does not refer to any existing counter style,
it must act identically to the decimal counter style.
6
Simple Predefined Counter Styles
The following stylesheet uses the @counter-style rule
to redefine all of the counter styles defined in CSS 2 and CSS 2.1.
This stylesheet is normative -
UAs must include it in their UA stylesheet
(or at least act as if these rules were defined at that level).
- decimal
-
Western decimal numbers
(e.g., 1, 2, 3, ..., 98, 99, 100).
- decimal-leading-zero
-
Decimal numbers padded by initial zeros
(e.g., 01, 02, 03, ..., 98, 99, 100).
- cjk-decimal
-
Han decimal numbers
(e.g., 一, 二, 三, ..., 九八, 九九, 一〇〇).
- lower-roman
-
Lowercase ASCII Roman numerals
(e.g., i, ii, iii, ..., xcviii, xcix, c).
- upper-roman
-
Uppercase ASCII Roman numerals
(e.g., I, II, III, ..., XCVIII, XCIX, C).
- armenian
-
Traditional uppercase Armenian numbering
(e.g., Ա, Բ, Գ, ..., ՂԸ, ՂԹ, Ճ).
- georgian
-
Traditional Georgian numbering
(e.g., ა, ბ, გ, ..., ჟჱ, ჟთ, რ).
- hebrew
-
Traditional Hebrew numbering
(e.g., א, ב, ג, ..., צח, צט, ק).
The decimal counter-style must not be overridable with a @counter-style rule,
so that it is always available as an ultimate fallback style.
The following stylesheet fragment provides the normative definition of these predefined counter styles:
@counter-style decimal {
system: numeric;
symbols: '0' '1' '2' '3' '4' '5' '6' '7' '8' '9';
}
@counter-style decimal-leading-zero {
system: extends decimal;
pad: 2 '0';
}
@counter-style cjk-decimal {
system: numeric;
range: 0 infinite;
symbols: \3007 \4E00 \4E8C \4E09 \56DB \4E94 \516D \4E03 \516B \4E5D;
/* 〇 一 二 三 四 五 六 七 八 九 */
suffix: '\3001';
/* "、" */
}
@counter-style lower-roman {
system: additive;
range: 1 3999;
additive-symbols: 1000 m, 900 cm, 500 d, 400 cd, 100 c, 90 xc, 50 l, 40 xl, 10 x, 9 ix, 5 v, 4 iv, 1 i;
}
@counter-style upper-roman {
system: additive;
range: 1 3999;
additive-symbols: 1000 M, 900 CM, 500 D, 400 CD, 100 C, 90 XC, 50 L, 40 XL, 10 X, 9 IX, 5 V, 4 IV, 1 I;
}
@counter-style armenian {
system: additive;
range: 1 9999;
additive-symbols: 9000 \554, 8000 \553, 7000 \552, 6000 \551, 5000 \550, 4000 \54F, 3000 \54E, 2000 \54D, 1000 \54C, 900 \54B, 800 \54A, 700 \549, 600 \548, 500 \547, 400 \546, 300 \545, 200 \544, 100 \543, 90 \542, 80 \541, 70 \540, 60 \53F, 50 \53E, 40 \53D, 30 \53C, 20 \53B, 10 \53A, 9 \539, 8 \538, 7 \537, 6 \536, 5 \535, 4 \534, 3 \533, 2 \532, 1 \531;
/* 9000 Ք, 8000 Փ, 7000 Ւ, 6000 Ց, 5000 Ր, 4000 Տ, 3000 Վ, 2000 Ս, 1000 Ռ, 900 Ջ, 800 Պ, 700 Չ, 600 Ո, 500 Շ, 400 Ն, 300 Յ, 200 Մ, 100 Ճ, 90 Ղ, 80 Ձ, 70 Հ, 60 Կ, 50 Ծ, 40 Խ, 30 Լ, 20 Ի, 10 Ժ, 9 Թ, 8 Ը, 7 Է, 6 Զ, 5 Ե, 4 Դ, 3 Գ, 2 Բ, 1 Ա */
}
@counter-style georgian {
system: additive;
range: 1 19999;
additive-symbols: 10000 \10F5, 9000 \10F0, 8000 \10EF, 7000 \10F4, 6000 \10EE, 5000 \10ED, 4000 \10EC, 3000 \10EB, 2000 \10EA, 1000 \10E9, 900 \10E8, 800 \10E7, 700 \10E6, 600 \10E5, 500 \10E4, 400 \10F3, 300 \10E2, 200 \10E1, 100 \10E0, 90 \10DF, 80 \10DE, 70 \10DD, 60 \10F2, 50 \10DC, 40 \10DB, 30 \10DA, 20 \10D9, 10 \10D8, 9 \10D7, 8 \10F1, 7 \10D6, 6 \10D5, 5 \10D4, 4 \10D3, 3 \10D2, 2 \10D1, 1 \10D0;
/* 10000 ჵ, 9000 ჰ, 8000 ჯ, 7000 ჴ, 6000 ხ, 5000 ჭ, 4000 წ, 3000 ძ, 2000 ც, 1000 ჩ, 900 შ, 800 ყ, 700 ღ, 600 ქ, 500 ფ, 400 ჳ, 300 ტ, 200 ს, 100 რ, 90 ჟ, 80 პ, 70 ო, 60 ჲ, 50 ნ, 40 მ, 30 ლ, 20 კ, 10 ი, 9 თ, 8 ჱ, 7 ზ, 6 ვ, 5 ე, 4 დ, 3 გ, 2 ბ, 1 ა */
}
@counter-style hebrew {
system: additive;
range: 1 10999;
additive-symbols: 10000 \5D9\5F3, 9000 \5D8\5F3, 8000 \5D7\5F3, 7000 \5D6\5F3, 6000 \5D5\5F3, 5000 \5D4\5F3, 4000 \5D3\5F3, 3000 \5D2\5F3, 2000 \5D1\5F3, 1000 \5D0\5F3, 400 \5EA, 300 \5E9, 200 \5E8, 100 \5E7, 90 \5E6, 80 \5E4, 70 \5E2, 60 \5E1, 50 \5E0, 40 \5DE, 30 \5DC, 20 \5DB, 19 \5D9\5D8, 18 \5D9\5D7, 17 \5D9\5D6, 16 \5D8\5D6, 15 \5D8\5D5, 10 \5D9, 9 \5D8, 8 \5D7, 7 \5D6, 6 \5D5, 5 \5D4, 4 \5D3, 3 \5D2, 2 \5D1, 1 \5D0;
/* 10000 י׳, 9000 ט׳, 8000 ח׳, 7000 ז׳, 6000 ו׳, 5000 ה׳, 4000 ד׳, 3000 ג׳, 2000 ב׳, 1000 א׳, 400 ת, 300 ש, 200 ר, 100 ק, 90 צ, 80 פ, 70 ע, 60 ס, 50 נ, 40 מ, 30 ל, 20 כ, 19 יט, 18 יח, 17 יז, 16 טז, 15 טו, 10 י, 9 ט, 8 ח, 7 ז, 6 ו, 5 ה, 4 ד, 3 ג, 2 ב, 1 א */
/* This system manually specifies the values for 19-15 to force the correct display of 15 and 16, which are commonly rewritten to avoid a close resemblance to the Tetragrammaton. */
/* This system theoretically extends to at least 999999, but specifying it above 10999 with the @counter-style rule is difficult. */
}
- lower-alpha
- lower-latin
-
Lowercase ASCII letters
(e.g., a, b, c, ..., z, aa, ab).
- upper-alpha
- upper-latin
-
Uppercase ASCII letters
(e.g., A, B, C, ..., Z, AA, AB).
- lower-greek
-
Lowercase classical Greek
(e.g., α, β, γ, ..., ω, αα, αβ).
- hiragana
-
Dictionary-order hiragana lettering
(e.g., あ, い, う, ..., ん, ああ, あい).
- hiragana-iroha
-
Iroha-order hiragana lettering
(e.g., い, ろ, は, ..., す, いい, いろ).
- katakana
-
Dictionary-order katakana lettering
(e.g., ア, イ, ウ, ..., ン, アア, アイ).
- katakana-iroha
-
Iroha-order katakana lettering
(e.g., イ, ロ, ハ, ..., ス, イイ, イロ)
The following stylesheet fragment provides the normative definition of these predefined counter styles:
@counter-style lower-alpha {
system: alphabetic;
symbols: a b c d e f g h i j k l m n o p q r s t u v w x y z;
}
@counter-style lower-latin {
system: extends lower-alpha;
}
@counter-style upper-alpha {
system: alphabetic;
symbols: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z;
}
@counter-style upper-latin {
system: extends upper-alpha;
}
@counter-style lower-greek {
system: alphabetic;
symbols: \3B1 \3B2 \3B3 \3B4 \3B5 \3B6 \3B7 \3B8 \3B9 \3BA \3BB \3BC \3BD \3BE \3BF \3C0 \3C1 \3C3 \3C4 \3C5 \3C6 \3C7 \3C8 \3C9;
/* α β γ δ ε ζ η θ ι κ λ μ ν ξ ο π ρ σ τ υ φ χ ψ ω */
}
@counter-style hiragana {
system: alphabetic;
symbols: \3042 \3044 \3046 \3048 \304A \304B \304D \304F \3051 \3053 \3055 \3057 \3059 \305B \305D \305F \3061 \3064 \3066 \3068 \306A \306B \306C \306D \306E \306F \3072 \3075 \3078 \307B \307E \307F \3080 \3081 \3082 \3084 \3086 \3088 \3089 \308A \308B \308C \308D \308F \3090 \3091 \3092 \3093;
/* あ い う え お か き く け こ さ し す せ そ た ち つ て と な に ぬ ね の は ひ ふ へ ほ ま み む め も や ゆ よ ら り る れ ろ わ ゐ ゑ を ん */
suffix: '、';
}
@counter-style hiragana-iroha {
system: alphabetic;
symbols: \3044 \308D \306F \306B \307B \3078 \3068 \3061 \308A \306C \308B \3092 \308F \304B \3088 \305F \308C \305D \3064 \306D \306A \3089 \3080 \3046 \3090 \306E \304A \304F \3084 \307E \3051 \3075 \3053 \3048 \3066 \3042 \3055 \304D \3086 \3081 \307F \3057 \3091 \3072 \3082 \305B \3059;
/* い ろ は に ほ へ と ち り ぬ る を わ か よ た れ そ つ ね な ら む う ゐ の お く や ま け ふ こ え て あ さ き ゆ め み し ゑ ひ も せ す */
suffix: '、';
}
@counter-style katakana {
system: alphabetic;
symbols: \30A2 \30A4 \30A6 \30A8 \30AA \30AB \30AD \30AF \30B1 \30B3 \30B5 \30B7 \30B9 \30BB \30BD \30BF \30C1 \30C4 \30C6 \30C8 \30CA \30CB \30CC \30CD \30CE \30CF \30D2 \30D5 \30D8 \30DB \30DE \30DF \30E0 \30E1 \30E2 \30E4 \30E6 \30E8 \30E9 \30EA \30EB \30EC \30ED \30EF \30F0 \30F1 \30F2 \30F3;
/* ア イ ウ エ オ カ キ ク ケ コ サ シ ス セ ソ タ チ ツ テ ト ナ ニ ヌ ネ ノ ハ ヒ フ ヘ ホ マ ミ ム メ モ ヤ ユ ヨ ラ リ ル レ ロ ワ ヰ ヱ ヲ ン */
suffix: '、';
}
@counter-style katakana-iroha {
system: alphabetic;
symbols: \30A4 \30ED \30CF \30CB \30DB \30D8 \30C8 \30C1 \30EA \30CC \30EB \30F2 \30EF \30AB \30E8 \30BF \30EC \30BD \30C4 \30CD \30CA \30E9 \30E0 \30A6 \30F0 \30CE \30AA \30AF \30E4 \30DE \30B1 \30D5 \30B3 \30A8 \30C6 \30A2 \30B5 \30AD \30E6 \30E1 \30DF \30B7 \30F1 \30D2 \30E2 \30BB \30B9;
/* イ ロ ハ ニ ホ ヘ ト チ リ ヌ ル ヲ ワ カ ヨ タ レ ソ ツ ネ ナ ラ ム ウ ヰ ノ オ ク ヤ マ ケ フ コ エ テ ア サ キ ユ メ ミ シ ヱ ヒ モ セ ス */
suffix: '、';
}
- disc
- A filled circle, similar to • U+2022 BULLET.
- circle
- A hollow circle, similar to ◦ U+25E6 WHITE BULLET.
- square
- A filled square, similar to ◾ U+25FE BLACK MEDIUM SMALL SQUARE.
- disclosure-open
- disclosure-closed
-
Symbols appropriate for indicating an open or closed disclosure widget,
such as the HTML
<details> element.
The following stylesheet fragment provides the normative definition of these predefined counter styles:
@counter-style disc {
system: cyclic;
symbols: \2022;
/* • */
suffix: " ";
}
@counter-style circle {
system: cyclic;
symbols: \25E6;
/* ◦ */
suffix: " ";
}
@counter-style square {
system: cyclic;
symbols: \25FE;
/* ◾ */
suffix: " ";
}
@counter-style disclosure-open {
system: cyclic;
suffix: " ";
/* for symbols, see normative text below */
}
@counter-style disclosure-closed {
system: cyclic;
suffix: " ";
/* for symbols, see normative text below */
}
Alternately, a browser may render these styles using a browser-generated image instead of the defined character.
If so, the image must look similar to the character,
and must be sized to attractively fill a 1em by 1em square.
For the disclosure-open and disclosure-closed counter styles,
the marker must be an image or character suitable for indicating
the open and closed states of a disclosure widget,
such as HTML’s <details> element.
If the image is directional,
it must respond to the writing mode of the element [CSS3-WRITING-MODES],
similar to the bidi-sensitive images feature of the Images 4 module.
For example, the disclosure-closed style might use the characters
U+25B8 BLACK RIGHT-POINTING SMALL TRIANGLE (▸)
and U+25C2 BLACK LEFT-POINTING SMALL TRIANGLE (◂),
while the disclosure-open style might use the character
U+25BE BLACK DOWN-POINTING SMALL TRIANGLE (▾).
7
Complex Predefined Counter Styles
While authors may define their own counter styles using the @counter-style rule
or rely on the set of predefined counter styles,
a few counter styles are described by rules that are too complex to be captured by the predefined algorithms.
These counter styles are described in this section.
Some of the counter styles specified in this section
have custom algorithms for generating counter values,
but are otherwise identical to a counter style defined via the @counter-style rule.
For example, an author can reference one of these styles in an extends system,
reusing the algorithm but swapping out some of the other descriptors.
All of the counter styles defined in this section have a spoken form of numbers,
and use a negative sign.
7.1
Longhand East Asian Counter Styles
Chinese, Japanese, and Korean have counter styles
which have a “longhand” nature,
similar to “thirteen thousand one hundred and twenty-three” in English.
Each has both formal and informal variants.
The formal styles are typically used in financial and legal documents,
as their characters are more difficult to alter into each other.
The following table shows examples of these styles, particularly some ways in which they differ.
Because opinions differ on how best to represent numbers 10k or greater
using the longhand CJK styles,
all of the counter styles defined in this section are defined to have a range of -9999 to 9999,
but implementations may support a larger range.
Outside the implementation-supported range,
the fallback is cjk-decimal.
Note: Implementations are encouraged to research and implement counter representations beyond 10k
and report back to the CSS Working Group with data
when a generally-accepted answer is discovered.
Some previous research on this topic is contained in an earlier draft.
- japanese-informal
-
Informal Japanese Kanji numbering
(e.g., 千百十一)
- japanese-formal
-
Formal Japanese Kanji numbering
(e.g. 壱阡壱百壱拾壱)
@counter-style japanese-informal {
system: additive;
range: -9999 9999;
additive-symbols: 9000 \4E5D\5343, 8000 \516B\5343, 7000 \4E03\5343, 6000 \516D\5343, 5000 \4E94\5343, 4000 \56DB\5343, 3000 \4E09\5343, 2000 \4E8C\5343, 1000 \5343, 900 \4E5D\767E, 800 \516B\767E, 700 \4E03\767E, 600 \516D\767E, 500 \4E94\767E, 400 \56DB\767E, 300 \4E09\767E, 200 \4E8C\767E, 100 \767E, 90 \4E5D\5341, 80 \516B\5341, 70 \4E03\5341, 60 \516D\5341, 50 \4E94\5341, 40 \56DB\5341, 30 \4E09\5341, 20 \4E8C\5341, 10 \5341, 9 \4E5D, 8 \516B, 7 \4E03, 6 \516D, 5 \4E94, 4 \56DB, 3 \4E09, 2 \4E8C, 1 \4E00, 0 \3007;
/* 9000 九千, 8000 八千, 7000 七千, 6000 六千, 5000 五千, 4000 四千, 3000 三千, 2000 二千, 1000 千, 900 九百, 800 八百, 700 七百, 600 六百, 500 五百, 400 四百, 300 三百, 200 二百, 100 百, 90 九十, 80 八十, 70 七十, 60 六十, 50 五十, 40 四十, 30 三十, 20 二十, 10 十, 9 九, 8 八, 7 七, 6 六, 5 五, 4 四, 3 三, 2 二, 1 一, 0 〇 */
suffix: '\3001';
/* 、 */
negative: "\30DE\30A4\30CA\30B9";
/* マイナス */
fallback: cjk-decimal;
}
@counter-style japanese-formal {
system: additive;
range: -9999 9999;
additive-symbols: 9000 \4E5D\9621, 8000 \516B\9621, 7000 \4E03\9621, 6000 \516D\9621, 5000 \4F0D\9621, 4000 \56DB\9621, 3000 \53C2\9621, 2000 \5F10\9621, 1000 \58F1\9621, 900 \4E5D\767E, 800 \516B\767E, 700 \4E03\767E, 600 \516D\767E, 500 \4F0D\767E, 400 \56DB\767E, 300 \53C2\767E, 200 \5F10\767E, 100 \58F1\767E, 90 \4E5D\62FE, 80 \516B\62FE, 70 \4E03\62FE, 60 \516D\62FE, 50 \4F0D\62FE, 40 \56DB\62FE, 30 \53C2\62FE, 20 \5F10\62FE, 10 \58F1\62FE, 9 \4E5D, 8 \516B, 7 \4E03, 6 \516D, 5 \4F0D, 4 \56DB, 3 \53C2, 2 \5F10, 1 \58F1, 0 \96F6;
/* 9000 九阡, 8000 八阡, 7000 七阡, 6000 六阡, 5000 伍阡, 4000 四阡, 3000 参阡, 2000 弐阡, 1000 壱阡, 900 九百, 800 八百, 700 七百, 600 六百, 500 伍百, 400 四百, 300 参百, 200 弐百, 100 壱百, 90 九拾, 80 八拾, 70 七拾, 60 六拾, 50 伍拾, 40 四拾, 30 参拾, 20 弐拾, 10 壱拾, 9 九, 8 八, 7 七, 6 六, 5 伍, 4 四, 3 参, 2 弐, 1 壱, 0 零 */
suffix: '\3001';
/* 、 */
negative: "\30DE\30A4\30CA\30B9";
/* マイナス */
fallback: cjk-decimal;
}
- korean-hangul-formal
-
Korean Hangul numbering
(e.g., 일천일백일십일)
- korean-hanja-informal
-
Informal Korean Hanja numbering
(e.g., 千百十一)
- korean-hanja-formal
-
Formal Korean Han (Hanja) numbering
(e.g., 壹仟壹百壹拾壹)
@counter-style korean-hangul-formal {
system: additive;
range: -9999 9999;
additive-symbols: 9000 \AD6C\CC9C, 8000 \D314\CC9C, 7000 \CE60\CC9C, 6000 \C721\CC9C, 5000 \C624\CC9C, 4000 \C0AC\CC9C, 3000 \C0BC\CC9C, 2000 \C774\CC9C, 1000 \C77C\CC9C, 900 \AD6C\BC31, 800 \D314\BC31, 700 \CE60\BC31, 600 \C721\BC31, 500 \C624\BC31, 400 \C0AC\BC31, 300 \C0BC\BC31, 200 \C774\BC31, 100 \C77C\BC31, 90 \AD6C\C2ED, 80 \D314\C2ED, 70 \CE60\C2ED, 60 \C721\C2ED, 50 \C624\C2ED, 40 \C0AC\C2ED, 30 \C0BC\C2ED, 20 \C774\C2ED, 10 \C77C\C2ED, 9 \AD6C, 8 \D314, 7 \CE60, 6 \C721, 5 \C624, 4 \C0AC, 3 \C0BC, 2 \C774, 1 \C77C, 0 \C601;
/* 9000 구천, 8000 팔천, 7000 칠천, 6000 육천, 5000 오천, 4000 사천, 3000 삼천, 2000 이천, 1000 일천, 900 구백, 800 팔백, 700 칠백, 600 육백, 500 오백, 400 사백, 300 삼백, 200 이백, 100 일백, 90 구십, 80 팔십, 70 칠십, 60 육십, 50 오십, 40 사십, 30 삼십, 20 이십, 10 일십, 9 구, 8 팔, 7 칠, 6 육, 5 오, 4 사, 3 삼, 2 이, 1 일, 0 영 */
suffix: ', ';
negative: "\B9C8\C774\B108\C2A4 ";
/* 마이너스 (followed by a space) */
}
@counter-style korean-hanja-informal {
system: additive;
range: -9999 9999;
additive-symbols: 9000 \4E5D\5343, 8000 \516B\5343, 7000 \4E03\5343, 6000 \516D\5343, 5000 \4E94\5343, 4000 \56DB\5343, 3000 \4E09\5343, 2000 \4E8C\5343, 1000 \5343, 900 \4E5D\767E, 800 \516B\767E, 700 \4E03\767E, 600 \516D\767E, 500 \4E94\767E, 400 \56DB\767E, 300 \4E09\767E, 200 \4E8C\767E, 100 \767E, 90 \4E5D\5341, 80 \516B\5341, 70 \4E03\5341, 60 \516D\5341, 50 \4E94\5341, 40 \56DB\5341, 30 \4E09\5341, 20 \4E8C\5341, 10 \5341, 9 \4E5D, 8 \516B, 7 \4E03, 6 \516D, 5 \4E94, 4 \56DB, 3 \4E09, 2 \4E8C, 1 \4E00, 0 \96F6;
/* 9000 九千, 8000 八千, 7000 七千, 6000 六千, 5000 五千, 4000 四千, 3000 三千, 2000 二千, 1000 千, 900 九百, 800 八百, 700 七百, 600 六百, 500 五百, 400 四百, 300 三百, 200 二百, 100 百, 90 九十, 80 八十, 70 七十, 60 六十, 50 五十, 40 四十, 30 三十, 20 二十, 10 十, 9 九, 8 八, 7 七, 6 六, 5 五, 4 四, 3 三, 2 二, 1 一, 0 零 */
suffix: ', ';
negative: "\B9C8\C774\B108\C2A4 ";
/* 마이너스 (followed by a space) */
}
@counter-style korean-hanja-formal {
system: additive;
range: -9999 9999;
additive-symbols: 9000 \4E5D\4EDF, 8000 \516B\4EDF, 7000 \4E03\4EDF, 6000 \516D\4EDF, 5000 \4E94\4EDF, 4000 \56DB\4EDF, 3000 \53C3\4EDF, 2000 \8CB3\4EDF, 1000 \58F9\4EDF, 900 \4E5D\767E, 800 \516B\767E, 700 \4E03\767E, 600 \516D\767E, 500 \4E94\767E, 400 \56DB\767E, 300 \53C3\767E, 200 \8CB3\767E, 100 \58F9\767E, 90 \4E5D\62FE, 80 \516B\62FE, 70 \4E03\62FE, 60 \516D\62FE, 50 \4E94\62FE, 40 \56DB\62FE, 30 \53C3\62FE, 20 \8CB3\62FE, 10 \58F9\62FE, 9 \4E5D, 8 \516B, 7 \4E03, 6 \516D, 5 \4E94, 4 \56DB, 3 \53C3, 2 \8CB3, 1 \58F9, 0 \96F6;
/* 9000 九仟, 8000 八仟, 7000 七仟, 6000 六仟, 5000 五仟, 4000 四仟, 3000 參仟, 2000 貳仟, 1000 壹仟, 900 九百, 800 八百, 700 七百, 600 六百, 500 五百, 400 四百, 300 參百, 200 貳百, 100 壹百, 90 九拾, 80 八拾, 70 七拾, 60 六拾, 50 五拾, 40 四拾, 30 參拾, 20 貳拾, 10 壹拾, 9 九, 8 八, 7 七, 6 六, 5 五, 4 四, 3 參, 2 貳, 1 壹, 0 零 */
suffix: ', ';
negative: "\B9C8\C774\B108\C2A4 ";
/* 마이너스 (followed by a space) */
}
- simp-chinese-informal
-
Simplified Chinese informal numbering
(e.g., 一千一百一十一)
- simp-chinese-formal
-
Simplified Chinese formal numbering
(e.g. 壹仟壹佰壹拾壹)
- trad-chinese-informal
-
Traditional Chinese informal numbering
(e.g., 一千一百一十一)
- trad-chinese-formal
-
Traditional Chinese informal numbering
(e.g., 壹仟壹佰壹拾壹)
- cjk-ideographic
-
This counter style is identical to trad-chinese-informal.
(It exists for legacy reasons.)
The Chinese longhand styles are defined by almost identical algorithms
(specified as a single algorithm here, with the differences called out when relevant),
but use different sets of characters,
as specified by the table following the algorithm.
- If the counter value is 0, the representation is the character for 0
specified for the given counter style. Skip the rest of this algorithm.
- Initially represent the counter value as a decimal number. For each
digit that is not 0, append the appropriate digit marker to the digit.
The ones digit has no marker.
- For the informal styles, if the counter value is between ten and
nineteen, remove the tens digit (leave the digit marker).
- Drop any trailing zeros and collapse any remaining zeros into a single
zero digit.
- Replace the digits 0-9 with the appropriate character for the given
counter style. Return the resultant string as the representation of the
counter value.
For all of these counter styles, the suffix is "、" U+3001,
the fallback is cjk-decimal,
the range is -9999 9999,
and the negative value is given in the table of symbols for each style.
The following tables define the characters used in these styles:
| Values
| Codepoints
|
| simp-chinese-informal
| simp-chinese-formal
| trad-chinese-informal
| trad-chinese-formal
|
| Digit 0
| 零 U+96F6
| 零 U+96F6
| 零 U+96F6
| 零 U+96F6
|
| Digit 1
| 一 U+4E00
| 壹 U+58F9
| 一 U+4E00
| 壹 U+58F9
|
| Digit 2
| 二 U+4E8C
| 贰 U+8D30
| 二 U+4E8C
| 貳 U+8CB3
|
| Digit 3
| 三 U+4E09
| 叁 U+53C1
| 三 U+4E09
| 參 U+53C3
|
| Digit 4
| 四 U+56DB
| 肆 U+8086
| 四 U+56DB
| 肆 U+8086
|
| Digit 5
| 五 U+4E94
| 伍 U+4F0D
| 五 U+4E94
| 伍 U+4F0D
|
| Digit 6
| 六 U+516D
| 陆 U+9646
| 六 U+516D
| 陸 U+9678
|
| Digit 7
| 七 U+4E03
| 柒 U+67D2
| 七 U+4E03
| 柒 U+67D2
|
| Digit 8
| 八 U+516B
| 捌 U+634C
| 八 U+516B
| 捌 U+634C
|
| Digit 9
| 九 U+4E5D
| 玖 U+7396
| 九 U+4E5D
| 玖 U+7396
|
| Tens Digit Marker
| 十 U+5341
| 拾 U+62FE
| 十 U+5341
| 拾 U+62FE
|
| Hundreds Digit Marker
| 百 U+767E
| 佰 U+4F70
| 百 U+767E
| 佰 U+4F70
|
| Thousands Digit Marker
| 千 U+5343
| 仟 U+4EDF
| 千 U+5343
| 仟 U+4EDF
|
| Negative Sign
| 负 U+8D1F
| 负 U+8D1F
| 負 U+8CA0
| 負 U+8CA0
|
For reference, here are the first 120 values for the simp-chinese-informal style:
1 一 41 四十一 81 八十一
2 二 42 四十二 82 八十二
3 三 43 四十三 83 八十三
4 四 44 四十四 84 八十四
5 五 45 四十五 85 八十五
6 六 46 四十六 86 八十六
7 七 47 四十七 87 八十七
8 八 48 四十八 88 八十八
9 九 49 四十九 89 八十九
10 十 50 五十 90 九十
11 十一 51 五十一 91 九十一
12 十二 52 五十二 92 九十二
13 十三 53 五十三 93 九十三
14 十四 54 五十四 94 九十四
15 十五 55 五十五 95 九十五
16 十六 56 五十六 96 九十六
17 十七 57 五十七 97 九十七
18 十八 58 五十八 98 九十八
19 十九 59 五十九 99 九十九
20 二十 60 六十 100 一百
21 二十一 61 六十一 101 一百零一
22 二十二 62 六十二 102 一百零二
23 二十三 63 六十三 103 一百零三
24 二十四 64 六十四 104 一百零四
25 二十五 65 六十五 105 一百零五
26 二十六 66 六十六 106 一百零六
27 二十七 67 六十七 107 一百零七
28 二十八 68 六十八 108 一百零八
29 二十九 69 六十九 109 一百零九
30 三十 70 七十 110 一百一十
31 三十一 71 七十一 111 一百一十一
32 三十二 72 七十二 112 一百一十二
33 三十三 73 七十三 113 一百一十三
34 三十四 74 七十四 114 一百一十四
35 三十五 75 七十五 115 一百一十五
36 三十六 76 七十六 116 一百一十六
37 三十七 77 七十七 117 一百一十七
38 三十八 78 七十八 118 一百一十八
39 三十九 79 七十九 119 一百一十九
40 四十 80 八十 120 一百二十
7.2
Ethiopic Numeric Counter Style: ethiopic-numeric
The ethiopic-numeric counter style is defined for all positive non-zero numbers.
The following algorithm converts decimal digits to ethiopic numbers:
-
If the number is 1,
return "፩" (U+1369).
-
Split the number into groups of two digits,
starting with the least significant decimal digit.
-
Index each group sequentially,
starting from the least significant as group number zero.
-
If the group has the value zero,
or if the group is the most significant one and has the value 1,
or if the group has an odd index (as given in the previous step) and has the value 1,
then remove the digits
(but leave the group, so it still has a separator appended below).
-
For each remaining digit,
substitute the relevant ethiopic character from the list below.
| Tens
| Units
|
| Values
| Codepoints
| Values
| Codepoints
|
| 10
| ፲
| U+1372
| 1
| ፩
| U+1369
|
| 20
| ፳
| U+1373
| 2
| ፪
| U+136A
|
| 30
| ፴
| U+1374
| 3
| ፫
| U+136B
|
| 40
| ፵
| U+1375
| 4
| ፬
| U+136C
|
| 50
| ፶
| U+1376
| 5
| ፭
| U+136D
|
| 60
| ፷
| U+1377
| 6
| ፮
| U+136E
|
| 70
| ፸
| U+1378
| 7
| ፯
| U+136F
|
| 80
| ፹
| U+1379
| 8
| ፰
| U+1370
|
| 90
| ፺
| U+137A
| 9
| ፱
| U+1371
|
-
For each group with an odd index (as given in the second step),
except groups which originally had a value of zero,
append ፻ U+137B.
-
For each group with an even index (as given in the second step),
except the group with index 0,
append ፼ U+137C.
-
Concatenate the groups into one string,
and return it.
For this system, the name is "ethiopic-numeric",
the range is 1 infinite,
and the rest of the descriptors have their initial value.
Is there a better suffix to use than the initial (".")?
The alphabetic ethiopic systems use a different suffix.
The decimal number 100, in ethiopic, is ፻ U+137B
The decimal number 78010092, in ethiopic, is
፸፰፻፩፼፺፪
U+1378 U+1370 U+137B U+1369 U+137C U+137A U+136A.
The decimal number 780100000092, in ethiopic, is
፸፰፻፩፼፼፺፪
U+1378 U+1370 U+137B U+1369 U+137C U+137C U+137A U+136A.
8
Additional Predefined Counter Styles
The Internationalization Working Group maintains a large list of predefined @counter-style rules for various world languages
in their Predefined Counter Styles document.
These additional counter styles are not intended to be supported by user-agents by default,
but can be used by users or authors copying them directly into style sheets.
9 APIs
9.1
Extensions to the CSSRule interface
The CSSRule interface is extended as follows:
partial interface CSSRule {
const unsigned short COUNTER_STYLE_RULE = 11;
};
9.2
The CSSCounterStyleRule interface
The CSSCounterStyleRule interface represents a @counter-style rule.
interface CSSCounterStyleRule : CSSRule {
attribute DOMString name;
attribute DOMString system;
attribute DOMString symbols;
attribute DOMString additiveSymbols;
attribute DOMString negative;
attribute DOMString prefix;
attribute DOMString suffix;
attribute DOMString range;
attribute DOMString pad;
attribute DOMString speakAs;
attribute DOMString fallback;
};
- name of type
DOMString
-
The name attribute on getting must return a
DOMString object
that contains the serialization of the <counter-style-name> defined for the associated rule.
On setting the name attribute, run the following steps:
-
Parse a component value from the value.
-
If the returned value is an <custom-ident>,
and the ASCII case-insensitive match for "decimal" or "none",
replace the associated rule’s name with the <custom-ident>'s representation.
If the ASCII case-insensitive match
for any of the other predefined counter styles,
lowercase the representation before replacing the associated rule’s name with it.
- Otherwise, do nothing.
- system of type
DOMString
- symbols of type
DOMString
- additiveSymbols of type
DOMString
- negative of type
DOMString
- prefix of type
DOMString
- suffix of type
DOMString
- range of type
DOMString
- pad of type
DOMString
- speakAs of type
DOMString
- fallback of type
DOMString
-
The remaining attributes on getting must return a
DOMString object
that contains the serialization of the associated descriptor defined for the associated rule.
If the descriptor was not specified in the associated rule,
the attribute must return an empty string.
On setting, run the following steps:
-
Parse a list of component values from the value.
-
If the returned value is invalid according to the given descriptor’s grammar,
or would cause the @counter-style rule to become invalid,
do nothing and abort these steps.
(For example, some systems require the symbols descriptor to contain two values.)
-
If the attribute being set is system,
and the new value would change the algorithm used,
do nothing and abort these steps.
It’s okay to change an aspect of the algorithm,
like the first symbol value of a fixed system.
-
Set the descriptor to the value.
10
Sample style sheet for HTML
This section is informative, not normative.
HTML itself defines the styles that apply to its elements,
and in some cases defers to the user agent’s discretion.
details > summary {
display: list-item;
list-style: disclosure-closed inside;
}
details[open] > summary {
list-style: disclosure-open inside;
}
Changes since the July 2013 Working Draft
- Changed override system’s name to extends and fixed cycle handling.
(Issue 15,
Issue 39)
- Fixed error in symbolic algorithm.
(Issue 22)
- Tightened requirements for minimum number of symbols entries for various systems.
(Issue 29)
- Changed pad to count in grapheme clusters, not <symbol>s.
(Issue 19)
- Defined pad and speak-as values for anonymous counter styles using symbols().
(Issue 31)
- Defined pad to apply before negative markers, and adjusted decimal-leading-zero accordingly.
(Issue 34)
- Adjusted suffixes to include spaces (for writing systems that require it).
(Issue 35)
- Capped roman numerals at 3999.
(Issue 20)
- Changed range of cjk-decimal to non-negative numbers only.
(Issue 26)
- Adjusted definition of hiragana, katakana by adding two extra archaic characters,
and removed ん from*-iroha variants,
in order to match existing implementations.
(Issue 18)
- Extended hebrew system to 100k.
(Issue 1)
- The Extended Implementation of the CJK longhand styles was dropped,
since people can’t seem to agree on various details.
(UAs are still allowed to implement something, but it’s undefined.)
See Issue 10
- Extended Korean styles to handle negative numbers.
(Issue 2)
- Changed suffix of Korean styles to ASCII comma
(Issue 8)
- Fixed ethiopic-numeric algorithm step 5.
(Issue 5)
- Renamed the speak-as values (for consistency) and added words value to allow read-aloud behavior.
- Defined speak-as cycle handling and fixed handling of auto for system: extends.
(Issue 7,
Issue 17,
Issue 21,
Issue 33)
- Defined range of extended complex predefined styles.
(Issue 37)
- Defined CSSOM handling of invalid values and unspecified descriptors.
(Issue 12,
Issue 13,
Issue 14)
- Made CSSCounterStyleRule name setter automatically lowercase built-in counter styles’ names.
(Issue 30)
- Defined what to do if unknown counter-style names are used in counter().
(Issue 27)
- Fixed some errors in various examples.
A full Disposition of Comments is available.
Acknowledgments
The following people and documentation they wrote were very useful for defining the numbering systems:
Alexander Savenkov,
Arron Eicholz,
Aryeh Gregor,
Christopher Hoess,
Daniel Yacob,
Frank Tang,
Jonathan Rosenne,
Karl Ove Hufthammer,
Musheg Arakelyan,
Nariné Renard Karapetyan,
Randall Bart,
Richard Ishida,
Simon Montagu (Mozilla, [email protected])
Special thanks to Xidorn Quan for extensive reviews of all aspects of the spec.
Document conventions
Conformance requirements are expressed with a combination of
descriptive assertions and RFC 2119 terminology. The key words "MUST",
"MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT",
"RECOMMENDED", "MAY", and "OPTIONAL" in the normative parts of this
document are to be interpreted as described in RFC 2119.
However, for readability, these words do not appear in all uppercase
letters in this specification.
All of the text of this specification is normative except sections
explicitly marked as non-normative, examples, and notes. [RFC2119]
Examples in this specification are introduced with the words "for example"
or are set apart from the normative text with class="example",
like this:
This is an example of an informative example.
Informative notes begin with the word "Note" and are set apart from the
normative text with class="note", like this:
Note, this is an informative note.
Advisements are normative sections styled to evoke special attention and are
set apart from other normative text with <strong class="advisement">, like
this:
UAs MUST provide an accessible alternative.
Conformance to this specification
is defined for three conformance classes:
- style sheet
- A CSS
style sheet.
- renderer
- A UA
that interprets the semantics of a style sheet and renders
documents that use them.
- authoring tool
- A UA
that writes a style sheet.
A style sheet is conformant to this specification
if all of its statements that use syntax defined in this module are valid
according to the generic CSS grammar and the individual grammars of each
feature defined in this module.
A renderer is conformant to this specification
if, in addition to interpreting the style sheet as defined by the
appropriate specifications, it supports all the features defined
by this specification by parsing them correctly
and rendering the document accordingly. However, the inability of a
UA to correctly render a document due to limitations of the device
does not make the UA non-conformant. (For example, a UA is not
required to render color on a monochrome monitor.)
An authoring tool is conformant to this specification
if it writes style sheets that are syntactically correct according to the
generic CSS grammar and the individual grammars of each feature in
this module, and meet all other conformance requirements of style sheets
as described in this module.
Partial implementations
So that authors can exploit the forward-compatible parsing rules to
assign fallback values, CSS renderers must
treat as invalid (and ignore
as appropriate) any at-rules, properties, property values, keywords,
and other syntactic constructs for which they have no usable level of
support. In particular, user agents must not selectively
ignore unsupported component values and honor supported values in a single
multi-value property declaration: if any value is considered invalid
(as unsupported values must be), CSS requires that the entire declaration
be ignored.
Experimental implementations
To avoid clashes with future CSS features, the CSS2.1 specification
reserves a prefixed
syntax for proprietary and experimental extensions to CSS.
Prior to a specification reaching the Candidate Recommendation stage
in the W3C process, all implementations of a CSS feature are considered
experimental. The CSS Working Group recommends that implementations
use a vendor-prefixed syntax for such features, including those in
W3C Working Drafts. This avoids incompatibilities with future changes
in the draft.
Non-experimental implementations
Once a specification reaches the Candidate Recommendation stage,
non-experimental implementations are possible, and implementors should
release an unprefixed implementation of any CR-level feature they
can demonstrate to be correctly implemented according to spec.
To establish and maintain the interoperability of CSS across
implementations, the CSS Working Group requests that non-experimental
CSS renderers submit an implementation report (and, if necessary, the
testcases used for that implementation report) to the W3C before
releasing an unprefixed implementation of any CSS features. Testcases
submitted to W3C are subject to review and correction by the CSS
Working Group.
Further information on submitting testcases and implementation reports
can be found from on the CSS Working Group’s website at
http://www.w3.org/Style/CSS/Test/.
Questions should be directed to the
[email protected]
mailing list.
References
Normative References
Index
- additive, 3.1.6
- additiveSymbols, 9.2
- additive-symbols, 3.8
- additive tuple, 3.8
- alphabetic, 3.1.4
- armenian, 6.1
- auto
- value for @counter-style/range, 3.5
- value for @counter-style/speak-as, 3.9
- box-corner, 3.1.2
- bullets, 3.9
- circle, 6.3
- circled-lower-latin, 3.9
- cjk-decimal, 6.1
- cjk-ideographic, 7.1.3
- counter style, 2
- <counter-style>, 5
- @counter-style, 3
- <counter-style-name>
- (type), 3
- value for @counter-style/speak-as, 3.9
- COUNTER_STYLE_RULE, 9.1
- counter symbol, 3.8
- CSSCounterStyleRule, 9.2
- current tuple, 3.1.6
- cyclic, 3.1.1
- decimal, 6.1
- decimal-leading-zero, 6.1
- dice, 3.1.6
- disc, 6.3
- disclosure-closed, 6.3
- disclosure-open, 6.3
- ethiopic-numeric, 7.2
- extends, 3.1.7
- fallback
- descriptor for @counter-style, 3.7
- attribute for CSSCounterStyleRule, 9.2
- first symbol value, 3.1.2
- fixed, 3.1.2
- footnote, 3.1.3
- generate a counter, 2
- generate a counter representation, 2
- georgian, 6.1
- go, 3.1.4
- hebrew, 6.1
- hiragana, 6.2
- hiragana-iroha, 6.2
- initial representation for the counter value, 2
- japanese-formal, 7.1.1
- japanese-informal, 7.1.1
- katakana, 6.2
- katakana-iroha, 6.2
- korean-hangul-formal, 7.1.2
- korean-hanja-formal, 7.1.2
- korean-hanja-informal, 7.1.2
- lower-alpha, 6.2
- lower-greek, 6.2
- lower-latin, 6.2
- lower-roman, 6.1
- name, 9.2
- negative
- descriptor for @counter-style, 3.2
- attribute for CSSCounterStyleRule, 9.2
- numbers, 3.9
- numeric, 3.1.5
- pad
- descriptor for @counter-style, 3.6
- attribute for CSSCounterStyleRule, 9.2
- prefix
- descriptor for @counter-style, 3.3
- attribute for CSSCounterStyleRule, 9.2
- range
- descriptor for @counter-style, 3.5
- attribute for CSSCounterStyleRule, 9.2
- simp-chinese-formal, 7.1.3
- simp-chinese-informal, 7.1.3
- speak-as, 3.9
- speakAs, 9.2
- spell-out, 3.9
- square, 6.3
- suffix
- descriptor for @counter-style, 3.4
- attribute for CSSCounterStyleRule, 9.2
- <symbol>, 3.8
- symbolic, 3.1.3
- symbols
- descriptor for @counter-style, 3.8
- attribute for CSSCounterStyleRule, 9.2
- symbols(), 4
- <symbols-type>, 4
- system
- descriptor for @counter-style, 3.1
- attribute for CSSCounterStyleRule, 9.2
- trad-chinese-formal, 7.1.3
- trad-chinese-informal, 7.1.3
- triangle, 3.1.1
- trinary, 3.1.5
- upper-alpha, 6.2
- upper-alpha-legal, 3.1.3
- upper-latin, 6.2
- upper-roman, 6.1
- use a negative sign, 3.2
- uses a negative sign, 3.2
- words, 3.9
Property index
No properties defined. | Name | Value | Initial |
|---|
| system | cyclic | numeric | alphabetic | symbolic | additive | [fixed <integer>?] | [ extends <counter-style-name> ] | symbolic
|
|---|
| negative | <symbol> <symbol>? | "\2D" ("-" hyphen-minus)
|
|---|
| prefix | <symbol> | "" (the empty string)
|
|---|
| suffix | <symbol> | "\2E\20" ("." full stop followed by a space)
|
|---|
| range | [ [ <integer> | infinite ]{2} ]# | auto | auto
|
|---|
| pad | <integer> && <symbol> | 0 ""
|
|---|
| fallback | <counter-style-name> | decimal
|
|---|
| symbols | <symbol>+ | n/a
|
|---|
| additive-symbols | [ <integer> && <symbol> ]# | n/a
|
|---|
| speak-as | auto | bullets | numbers | words | spell-out | <counter-style-name> | auto |
|---|
Issues Index
Is there a better suffix to use than the initial (".")?
The alphabetic ethiopic systems use a different suffix.
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