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List:       gnulib-bug
Subject:    Re: Unicode string literals
From:       Paul Eggert <eggert () cs ! ucla ! edu>
Date:       2020-04-30 22:22:06
Message-ID: 71a94beb-0401-e716-84bc-e44bf3e9164c () cs ! ucla ! edu
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On 4/30/20 2:05 PM, Marc Nieper-Wi=C3=9Fkirchen 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 a=
s 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 re=
liably.
Not sure it's worth worrying about.

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