string-arguments of functions in 'std.file'

[Andrei Alexandrescu]

CLXX wrote:
> dmd2.025, Windows
> 
> Some standard functions receive 'string' arguments.
> This is not a bug, but not good specs.
> 
> void[] read( in string name );
> void[] write( in string name, const void[] buffer );
> ...
> 
> They should be
> 
> void[] read( in char[] name );
> void[] write( in char[] name, const void[] buffer );
> ...
> 
> Former cannot receive char[]-arguments, and latter can.
> This change has backward compatibility.

Yah, many of them are already changed in my tree. Phobos will have to 
sit this release out, though.

Andrei