Will D ever get optional named parameters?

["岩倉 澪" via Digitalmars-d]

Slightly off-topic, but I'm learning the constructed (human) 
language lojban, and the FA and zo'e constructs remind me of 
named parameters and _.
In lojban there are constructs called selbri that are kind of 
like a programming languages functions: vecnu = x1 sells x2 to x3 
for price x4
x1, x2, x3, x4 representing positional parameters
If you don't want to specify one you pass zo'e which is like the 
word "something."
If you leave off some sumti (args), it is equivilant to passing 
zo'e. Five selbri parameters have names, fa, fe, fi, fo, fu. So 
you can pass them in any order if you put those tags in front.

More on-topic: I don't really think named parameters are a 
worthwhile feature, but I really hope D gets __. That seems like 
it wouldn't have any major conflicts with implementing, and would 
give functions a bit of a boost in terms of expressiveness.