Pierre Le Marre authored May 17, 2022 and Marge Bot committed Jun 01, 2022

Switch to a pure Haskell implementation of base:GHC.Unicode, based on the implementation of the package unicode-data (https://github.com/composewell/unicode-data/).

Approved by CLC as per https://github.com/haskell/core-libraries-committee/issues/59#issuecomment-1132106691.

- Remove current Unicode cbits.
- Add generator for Unicode property files from Unicode Character Database.
- Generate internal modules.
- Update GHC.Unicode.
- Add unicode003 test for general categories and case mappings.
- Add Python scripts to check 'base' Unicode tests outputs and characters properties.

Fixes #21375

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Metric Decrease:
    T16875
Metric Increase:
    T4029
    T18304
    haddock.base
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