Hugo <hug### [at] yahoocombr> wrote:
> #declare Sphere = sphere { <0,0,0>, 1 pigment { rgb 1 } }
> #declare Sphere_Child = sphere { Sphere pigment  { rgb 0 } }
>
> But I assume that it is just something unintentionally left behind in
> the code of the parser.

I don't think so:  i believe it's intentional it makes perfect sense.  You
define an object with a texture and then later modify a few more
attributes.  It's like in Ruby where you can later "open" a class
definition and modify some methods or something.  You can declare an object
with a default texture and later, when actually using it, altering the
pigment, or finish or the whole texture altogether...

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