Claim to follow Unicode 16 for lexing identifiers.#557
Merged
traviscross merged 1 commit intorust-lang:mainfrom Oct 26, 2025
Merged
Claim to follow Unicode 16 for lexing identifiers.#557traviscross merged 1 commit intorust-lang:mainfrom
traviscross merged 1 commit intorust-lang:mainfrom
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cc @Veykril |
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The changelog (as used so far) generally only tracks the language level changes from the RELEASES.md, so if that was not listed there it doesn't need to touch the changelog I believe. |
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See also #155 |
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tshepang
approved these changes
Oct 25, 2025
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whether this should be mentioned on changelog can be decided without blocking the clear improvement |
traviscross
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Oct 26, 2025
This change happened in Rust 1.83.
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Rustc has used Unicode 16 since Rust 1.83.
This change brings the FLS into sync with the Reference for this detail.
See rust-lang/reference#1688.
I'm not sure whether the changelog should be updated (and if so, how). The FLS was previously claiming Unicode version 13. I don't have notes saying which versions the updates to Unicode 14 and 15 happened in.
Unicode normalization is also dependent on the Unicode version, but there's no version number in the existing text of §2.3:16 (
fls_vde7gev5rz4q).