private selective imports

[Vlad Levenfeld via Digitalmars-d-learn]

> Sure, but people keep using them at the module-level, which 
> really shouldn't be done until the bug is fixed. IMHO, we'd be 
> better off making it illegal to use selective imports at the 
> module-level rather than keeping it as-is.
>
> - Jonathan M Davis

I'm curious, what's the problem with it anyway? Judging by the 
posts in the bug report and the bug's own lifespan this must be a 
real tough one to crack.