[RFC] A QoI problem with filebuf and POD charT != char, wchar_t

[Paolo Carlini]

Martin Sebor wrote:

>> I see... 27.8.1.1, p5.
>
> Realistically, I don't think anyone relies on it. I doubt that
> even test suites exercise this requirement.

Interesting...

>> Too bad that because of that, a codecvt facet must *always* be 
>> present, even
>> when a reasonable behavior would be otherwise perfectly possible:
>
> But what would it be useful for? If you don't narrow down the wide
> characters, how do you stream them out? As raw bytes? You'd wind
> up with non-portable binary junk in the file.

Yes :( , that is what my draft-sketch-patch basically did and would do 
anyway,
unfortunately. Your observation gives voice to something that was 
already present
somewhere in my mind (in the form of weird endianness-dependent 
reference files
for the testcases) and would have surfaced more cleanly very soon...

Thanks Martin!
Paolo