I do not understand this. The following macro

#macro GammaColort(Color,Gamma)
  rgbt <pow(Color.red,Gamma), pow(Color.green,Gamma), pow(Color.blue,Gamma), 
Color.transmit>
#end

gives a parse error: "Bad operands for period operators"

while the following macros work just fine:

#macro GammaColorf(Color,Gamma)
  rgbf <pow(Color.red,Gamma), pow(Color.green,Gamma), pow(Color.blue,Gamma), 
Color.filter>
#end

#macro GammaColorft(Color,Gamma)
  rgbft <pow(Color.red,Gamma), pow(Color.green,Gamma), 
pow(Color.blue,Gamma), Color.filter, Color.transmit>
#end

Can somebody tell me what I do wrong?


Thomas

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