On 26-5-2014 19:09, clipka wrote:
> No Thomas, you're wrong there;  [snip]
> Thus, the plane
>
>      plane { <0,1,0>, -1 }
>
> passes through <0,-1,0>, while the plane
>
>      plane { <0,-1,0>, -7 }
>
> passes through <0,7,0>.
>

Holy Molly! I abase myself. Can you believe that I never, never, have 
been aware of that??

Which shows that one constantly needs to learn, /and/ that one needs to 
read the docs /carefully/ :-)

Thanks Christoph! You illuminated my day!

Thomas

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