std::string overloads for xfstream

[Jonathan Wakely]

2009/3/18 Ed Smith-Rowland:
>
> Any idea when the next mailing is coming out?  Any (other) major news?

That's the main bit I know of as far as the library's concerned. When
the post-summit mailing is out it will be N2844 (which is a revision
of N2831).

IIUC the std::thread destructor should now call terminate if exactly
one of join() or detach() has not been called.

Jonathan