Found and fixed.  It was a promotion problem that affected +,-,*,and /.  The
problem was when you'd do somehting like color+vector.  (vector+color would
be handled correctly).

-Nathan

Nathan Kopp <Nat### [at] Koppcom> wrote...
> This bug has something to do with the parsing of the color.  If you change
> the definition of the cylinder's color from:
>   color Blue*.7+<.3,.3,.3>
> to
>   color(Blue*.7+<.3,.3,.3>)
> then everything works fine.  Must have something to do with the promotion
> from 3d vector to 5d color.
>
> -Nathan
>

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