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Rollup merge of #63529 - andersk:release-notes-kleene, r=Centril 

RELEASES.md: ? is one of three Kleene operators

The slash and quotes in ?/“Kleene” appeared to define “Kleene” as the name for the `?` operator, which is not the case. Rust has three Kleene operators `*`, `+`, `?`.

([Pointed out](https://www.reddit.com/r/rust/comments/cprt0z/rust_1370_prerelease_testing/ewr90y3/) by /u/Sharlinator on Reddit.)
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Mazdak Farrokhzad 2019-08-14 04:18:55 +02:00 committed by GitHub
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@ -22,7 +22,7 @@ Language
- [You can now use `_` as an identifier for consts.][61347] e.g. You can write
`const _: u32 = 5;`.
- [You can now use `#[repr(align(X)]` on enums.][61229]
- [The `?`/_"Kleene"_ macro operator is now available in the
- [The `?` Kleene macro operator is now available in the
2015 edition.][60932]
Compiler