Re: Why is BOM required to use unicode in tokens?

[GK via Digitalmars-d-learn]

On Tuesday, 15 September 2020 at 16:23:01 UTC, Jon Degenhardt 
wrote:

# The 'Ш' and 'ä' characters are fine.
$ echo $'import std.stdio; void Шä() { writeln("Hello World!"); 
} void main() { Шä(); }' | dmd -run -
Hello World!
# But not '∂'
$ echo $'import std.stdio; void x∂() { writeln("Hello World!"); 
} void main() { x∂(); }' | dmd -run -
__stdin.d(1): Error: char 0x2202 not allowed in identifier

Yes. The same troubles for widely used Greek symbols (Sigma, 
alpha and some other). Unfortunally...