Add tests for keep-trailing-zeros proposal#4608
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gibson042
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Feb 10, 2026
Co-authored-by: Richard Gibson <richard.gibson@gmail.com>
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LGTM after filling in pending front matter.
gibson042
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Feb 27, 2026
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Proposal repo: https://github.com/tc39/proposal-intl-keep-trailing-zeros
The currently proposed spec text won't satisfy all of these tests; I'll be filing a PR incorporating the required changes.Edit: This PR matches the proposal's behaviour, once tc39/proposal-intl-keep-trailing-zeros#19 is merged.I've created a patched fork of the FormatJS Intl.NumberFormat polyfill to run these tests: https://github.com/eemeli/formatjs-for-keep-trailing-zeros