Possible bug in RC6 cCairoSurface

Hello!

I am not sure if there is any official RC6 thread...

Could you please check if the Booleans are a bug?

Thank you!

Function AdjustColors(Brightness As Double, [Contrast As Double], [Gamma As Double = 1], [Invert As Boolean], [R As Boolean = True], [G As Boolean = True], [B As Boolean = True]) As cCairoSurface
Member of RC6.cCairoSurface