[Please don't top-post. Thanks.]
> > #if 0
> > const char* s = ";
> > #endif
> > int main() { }
> Ah-ha! You're right. Now I see that this warning is issued by
> preprocessor, not by compiler. Now that I think about it, it seems
> logical. Preprocessor has to tokenize input to perform substitutions
> and such, so even if code isn't meant for compiler, it must follow
> some rules - ifdefined parts of code are not comments. Is that right?
C11 6.4/3 says the lonely quote is undefined behaviour. Your program
might or might not work (the same) with a different (version of the)
compiler. So a warning is good.
Segher
