C#
https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/language-specification/lexical-structure#identifiers
(not exactly uax)

Rust https://rust-lang.github.io/rfcs/2457-non-ascii-idents.html

Swift
https://forums.swift.org/t/a-path-forward-on-rationalizing-unicode-identifiers-and-operators/6735
(not exactly uax)

Erlang https://www.erlang.org/erlang-enhancement-proposals/eep-0040.html

Julia https://docs.julialang.org/en/v1/manual/variables/ (not exactly uax)

Python 3 https://www.python.org/dev/peps/pep-3131/

JS https://tc39.es/ecma262/


On Tue, Sep 15, 2020, 17:23 Steve Downey via SG16 <sg16_at_[hidden]>
wrote:

> I know we've discussed them before, but when trying to track down
> actual references for purposes of including in a paper, I keep failing
> at Google.
>
> Asking for help so that R7 will be better.
>
> PR's also welcome on
> https://github.com/steve-downey/papers/blob/master/d1949.md
> --
> SG16 mailing list
> SG16_at_[hidden]
> https://lists.isocpp.org/mailman/listinfo.cgi/sg16
>