[MLton] Parallel Runtime System

[Stephen Weeks]

> > Sounds like a cool project.  One tough problem is making 'portable'
> > runtime systems -- in the implementation of a high-level language, the
> > compiler and runtime system are usually tightly integrated.
>
> Felix is portable (all of it).

I think you missed Matthew's meaning of "portable" -- he meant a
runtime portable across compilers (i.e. the runtime's clients), not
across platforms the runtime runs on.