Hello all and thanks for all your work.
This isn't super important, but after wondering how ß, a German character
that notoriously has no capital version, was treated I found a bit of a
rabbit hole and found out that apparently since 2024 it _has_ a capital
version "ẞ" which is now preferred. [1]
I wanted to suggest adding this to elixir. I'm not super familiar with the
unicode support in elixir but I'd hope that that an update to
`UnicodeData.txt` plus some updated tests [2] might do the job. I'm happy
to do the work myself if not _too_ complex and would appreciate pointers.
The current behavior (1.18.3 @ OTP 27.3.2) is:
iex(1)> String.capitalize("ß") "Ss"
iex(2)> String.upcase("ß") "SS"
I don't know in general how other programming languages treat this now, the
latest Ruby release has the same behavior as elixir.
Thanks so much, nothing urgent - just a fun exploration that came out of a
conversation I had at Alchemyconf in Braga last week :)
Cheers,
Tobi
[1] https://en.wikipedia.org/wiki/%C3%9F#Development_of_a_capital_form (yes
I know wikipedia is my only source so far, I can check the German sources
as well if wished)
[2]
https://github.com/elixir-lang/elixir/blob/main/lib/elixir/test/elixir/string_test.exs#L204
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