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Vary grapheme baselines by script #2

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Vary grapheme baselines by script #2

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Commits on Aug 27, 2024

  1. Join grapheme clusters on combining marks, invisible stackers 

    If a grapheme cluster begins with a combining diacritical mark or ends with an invisible stacker, combine it with an adjacent grapheme cluster to avoid drawing diacritics over dotted circles or placeholder diacritics where adjacent characters should be ligated instead.
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    1ec5 committed Aug 27, 2024
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  2. Generate Unicode character property data at build time 

    Added a script that fetches the latest Unicode character database’s property file for Indic syllable categories and generates a function for combining graphemes based on it.
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    1ec5 committed Aug 27, 2024
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  3. Join grapheme clusters on zero-width joiners

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    1ec5 committed Aug 27, 2024
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  4. Fixed ligatures in Sinhala 

    Replace zero-width joiners with temporary strip markers to prevent ICU from stripping them.
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    1ec5 committed Aug 27, 2024
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  5. Streamlined RTL text detection

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    1ec5 committed Aug 27, 2024
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  6. Streamlined property escape regular expressions

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    1ec5 committed Aug 27, 2024
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  7. Fixed combining right-to-left characters 

    Preemptively swap combining marks with the characters they modify to visual order, so that the RTL plugin will swap them back to logical order.
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    1ec5 committed Aug 27, 2024
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  8. Streamlined letter spacing check

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    1ec5 committed Aug 27, 2024
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  9. Break lines based on word segmentation 

    Replaced custom word break heuristics when determining line breaks with a word segmenter. Added a simple polyfill for older versions of Firefox.
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    1ec5 committed Aug 27, 2024
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  10. Fixed vertical text advance 

    Fixed an issue where vertical CJK text was shifted upwards by one em.
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    1ec5 committed Aug 27, 2024
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  11. Vary grapheme baselines by script

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    1ec5 committed Aug 27, 2024
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