[css-counter-styles] Define extended CJK longhand counter styles range #12383
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| The Chinese longhand styles are defined out to 10k with a [=Chinese|specialized algorithm=], while the Japanese and Korean longhand styles are defined similarly as ''additive'' styles. However, these styles are defined out to 10<sup>16</sup> in common usage. The following section describes an alternative algorithm for these styles. | ||
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| All of the Chinese, Japanese, and Korean styles are defined for all numbers between -10<sup>16</sup> and 10<sup>16</sup>, exclusive. For numbers outside this range, the ''cjk-decimal'' style is used. All of the 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. The list following the algorithm gives the name of each counter style using this algorithm, and the individual character sets used by each style. |
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The former version of the spec defines a range between 0 and 10^16 for Korean, yet the new version defines it down to a negative range because the current ED spec already defines the Korean negative range.
https://drafts.csswg.org/css-counter-styles/#limited-korean
FWIW, the Korean negative range has been implemented as well. See: https://issues.chromium.org/issues/40504326#comment75
If there's any clue why the former version was limited to the positive range for Korean, and why it still needs to be regulated in the current extended version, please let me know.
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Amazing, thanks! I'll tag @fantasai since she's more familiar with this spec than I am. |
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If this is
Then review should be easy and fast. |
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svgeesus marked as non substantive for IPR from ash-nazg. |
This attempts to define extended CJK longhand counter styles with clear implementation separation as discussed in #12300.
This is mainly copy/pasted from an older version of the spec defined counter values outside this limited range.
https://www.w3.org/TR/2013/WD-css-counter-styles-3-20130718/#extended-cjk
Closes #12300.
cc: @nt1m