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1.3 Languages and Typesetting |
writing-system-font-001 |
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font selection and writing sytem
- An explicit writing system takes precedence over the content language for font selection
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writing-system-line-break-001 |
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writing system and line breaking
- breaks before U+301C when line-break is loose are allowed if the content language is Japanese, but not when the writing system is not Japanese/Chinese (e.g. Korean).
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writing-system-line-break-002 |
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writing system and line breaking
- breaks before U+FF1F when line-break is loose are allowed if the writing system is Japanese (which includes Hrkt), but even when the language not Japanese.
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writing-system-segment-break-001 |
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writing system and segment break transformation
- If the writing system of the segment break is Chinese, Japanese, or Yi, and the character before or after the segment break is punctuation or a symbol (Unicode general category P* or S*) and has an East Asian Width property of A or is Emoji, and the character on the other side of the segment break is F, W, or H, and not Hangul or Emoji, then the segment break is removed.
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writing-system-text-transform-001 |
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text-transform and writing systems
- text transform rules that depend on the language are overriden by a contradicting explicit script tag.
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1.5 Text Processing |
seg-break-transformation-018.tentative |
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inline element boundary and segment break transformations
- intervening inline box boundaries must be ignored for segment break transformations
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seg-break-transformation-019.tentative |
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out of flow elements and segment break transformations
- Out-of-flow elements must be ignored for segment break transformations
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shaping-join-001 |
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zwj and text-shaping
- Arabic characters next to a ZERO WIDTH JOINER character must take their correct positional form.
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shaping-join-002 |
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zwj and text-shaping, cross font, fallback
- Arabic characters next to a ZERO WIDTH JOINER character must take their correct positional form, even if the ZWJ comes from a differnt font due to font fallback.
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shaping-join-003 |
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zwj and text-shaping, cross font, explicit
- Arabic characters next to a ZERO WIDTH JOINER character must take their correct positional form, even if the ZWJ comes from a differnt font due to being in a different element with an explicit different font.
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shaping-no-join-001 |
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zwnj and text-shaping
- Arabic characters next to a ZERO WIDTH NON JOINER character must not take their positional form.
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shaping-no-join-002 |
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zwnj and text-shaping, cross font, fallback
- Arabic characters next to a ZERO WIDTH NON JOINER character must not take their positional form, even if the ZWNJ comes from a differnt font due to font fallback.
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shaping-no-join-003 |
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zwnj and text-shaping, cross font, explicit
- Arabic characters next to a ZERO WIDTH NON JOINER character must not take their positional form, even if the ZWNJ comes from a differnt font due to being in a different element with an explicit different font.
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shaping-tatweel-001 |
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tatweel and text-shaping
- Arabic characters next to a U+0640 ARABIC TATWEEL character must take their correct positional form.
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shaping-tatweel-002 |
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tatweel and text-shaping, cross font, fallback
- Arabic characters next to a U+0640 ARABIC TATWEEL character must take their correct positional form, even if the tatweel comes from a differnt font via font due to font fallback.
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shaping-tatweel-003 |
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tatweel and text-shaping, cross font, explicit
- Arabic characters next to a U+0640 ARABIC TATWEEL character must take their correct positional form, even if the tatweel comes from a differnt font due to being in a different element with an explicit different font.
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white-space-processing-048 |
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Ahem |
Floats and line opportunity with 'white-space'
- A line breaking opportunity is not introduced with floats.
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white-space-processing-049 |
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Ahem |
Floats and line-breaking opportunities with 'white-space'
- A line breaking opportunity is not introduced with an absolutely positioned element.
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