Re: Unicode string literals

[Paul Eggert]

On 4/30/20 2:05 PM, Marc Nieper-Wißkirchen wrote:
>> Could we have a macro to be used only in source code encoded via UTF-8?
>> Presumably the older compilers would process the bytes of the string as if 
>> they
>> were individual 8-bit characters and would pass them through unchanged, so 
>> the
>> run-time string would be UTF-8 too.

> This would allow writing a macro that prefixes "u8" to strings in
> compilers supporting enough of C11, skipping the prefix in compilers
> that pass UTF-8 encoded bytes in strings unchanged

Yes, that was the idea.

> and signal an error
> in all other cases (hopefully only very exotic platforms), right?

I wasn't thinking of requiring a diagnostic of that case, at least not reliably.
Not sure it's worth worrying about.