TDPL: Foreach over Unicode string

[Walter Bright]

Sean Kelly wrote:
> Yes.  I looked into this briefly, and after a bit of googling, it looks like
> fwide() isn't implemented on Windows (unless Walter had done this himself in
> the DMC libraries).

fwide() has nothing to do with Windows. Yes, it is implemented in dmc, upon 
which dmd for Windows depends.

When writing characters out to Windows, though, you have to be careful what 
"code page" Windows thinks your app is running in.