Quote - rty--thank you for that light info.

You're welcome. I've got the working (tested) syntax of all material types, took me two weekends...

Quote - i just hope i don't start dreaming in code like i did then

LOL. Nah, Lux files are almost human readable. Some parts of the syntax are strange-ish (I suspect they might make perfect sense to a developer - I'm not one), but if only there were a complete, up-to date documentation it would had been a piece of cake.