[MLton] website

[Matthew Fluet]

> There was one problem that showed up on ConcurrentMLImplementation.
> Look down a bit to the "datatype 'a event_status ..." code.  You'll
> notice it's not syntax highlighted.  If I turn that on, then the
> entire rest of the page appears in green.  I'm not sure if it's a bug
> with the enscript stuff or the wiki.

It's the enscript stuff.  There is nothing that leaves a type context at
the end of the input.  It should be possible; I'll look into it.