Wasn't it Yadgar who wrote:
>High!
>
>I'm currently trying to build a gradient y texture to generate a 16 bit
>heightfield from an isosurface terrain. Here's the code:

I think there's a slight typo in the documentation. Where it says

   each PIGMENT_BODY is anything which can be inside a pigment{...} 
   statement. The pigment keyword and {} braces need not be specified. 

I think it possibly should say

   each PIGMENT_BODY is anything which can be inside a pigment{...} 
   statement. The pigment keyword and {} braces must not be specified. 

-- 
Mike Williams
Gentleman of Leisure

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