Here is more data to ponder:
#declare CapColor=<1,1,0,0>; outside the macro becomes <1,1,0,0> inside
But
#declare CapColor=<1,1,0,0,0>; becomes <0,1.875,0,1.875,0> inside

Thorsten Froehlich wrote:
> 
> In article <383E7213.7DF63B99@gci.net> , "mr.art" <mr.### [at] gcinet> wrote:
> 
> > If I #declare CapColor= a three or four component vector, it works fine.
> > But as a five component vector something doesn't work so well.
> > Can anyone give some insight on this?
> 
> I can't reproduce it. My output is as expected (see my other post). Which
> version of POV-Ray are you using?
> 
>     Thorsten

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