The scene below results in:

#declare A=Spl <----ERROR

Parse Error: Cannot copy identifier

---%<------%<---
#declare Spl=spline{
   linear_spline
   0/4,< 0   , 0  , 0>  
   1/4,< 0.25, 0.5, 0>  
   2/4,< 0.50, 0.1, 0>
   3/4,< 0.75, 0.9, 0>  
   4/4,< 1   , 0  , 0>  
}

#declare A=Spl(0.3);
---%<------%<---


Ingo

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