[MLton] Re: Ray tracer update

[Stephen Weeks]

> I believe the precedent is the DIAGNOSTICS section (cf cc(1) manual
> page in v7 Unix).  That should cover what output will be generated and
> the format.  It is tough to find a compiler man page that actually
> does that tough, so I'm not singling MLton out here for not having it.
> I only looked for it specifically in the MLton man page because Emacs
> couldn't process the MLton error output by default and so I hoped the
> fix would be mentioned in the man page.

OK.  I added a DIAGNOSTICS section to the man page and a pointer from
it to mlton.org/Emacs.