Why do we still need/use .di 'header' files?

[Jarrett Billingsley]

"Don Clugston" <dac at nospam.com.au> wrote in message 
news:ejkbnm$1qb1$1 at digitaldaemon.com...
>
> Protection attributes and many other things are not in the decorated 
> names.
> What about templates, and conditional compilation?

This is why there needs to be a "D object file" format.. :P  That would be a 
killer feature IMO.