ref lost to opDispatch

[Carl Sturtivant]

On Saturday, 27 July 2013 at 16:15:48 UTC, Carl Sturtivant wrote:
>>   void opDispatch(string f, Args...)(auto ref Args args)
>
> What exactly is the effect of this? Does it make all of args 
> ref parameters when instantiated?
>
> In which case it doesn't solve my real problem where I have 
> more that 100 functions with all sorts of parameter lists being 
> dispatched and I only want ref where it's prescribed.
>
> Is the behavior of the code I wrote a design feature or a bug?

And, can anyone please point me at the online documentation at 
the right place to tell me enough to infer what placing "auto 
ref" in front of the argument tuple does.