Le 16/08/2016 à 18:45, Bald Eagle a écrit :
> 
> I'm also curious about how folks who code this type of thing handle the
> requirement for a comma, since the LAST element of the array doesn't have one.
> Is there internal POV-Ray Black Magic that handles this?

The parser of comma is very lenient. You can omit the comma, as long as the next value
is not interpreted as a continuation of an expression.

For instance
"A , A" can be written "A A", but if A looks like "-B", or "+C" you are in troubles
and doomed.

And remember #for takes 4 parameters.
1. Variable name
2. Start value
3. End value
4. Step between each value

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