[MLton] Emacs mode for editing ML Basis files

[Matthew Fluet]

> > Interestingly enough, and possibly relevant to the tabs/spaces discussion,
> > ViewCVS shows no changes in the "diff to previous" for this revision:
> > 
> > http://mlton.org/cgi-bin/viewsvn.cgi?rev=3938&view=rev
> 
> Which Path are you looking at?  I tried a few and they showed a diff.
> For one that didn't (mlton/trunk/lib/cml/cml.lib), checking the box
> that says "Generate output suitable for use with a patch program"
> causes the true diff to be shown.  I'm not sure what ViewCVS is doing.

I guess I only looked at a few that needed the "output suitable for use 
with a patch program" box.  Presumably ViewCVS is doing a diff with an 
ignore white space option.