How's this:

#declare Spline =
spline {
   cubic_spline
   SplineAutoT(array[7*2]{

   (SCP( 0.0, <0,1,2>))
   (SCP(   x, <1,5,0>))
   (SCP(   x, <4,1,0>))
   (SCP( 0.9, <0,2,1>))
   (SCP( 1.0, <0,0,1>))
   (SCP(   x, <6,5,4>))
   (SCP( 2.0, <4,3,2>))

   })
}

Note that the extra parentheses are necessary as macros can't be called
directly in arrays without them.

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:    http://rsj.mobilixnet.dk (updated Feb 16)
POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
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