OK !

what you variables you say , are standard shaders ones , it's ok with these or
matrix, what i said i was not ok with fixed lights or fixed textures,
and effects described in script instead of giving a working smaple with a
FX file t oforce everybody to use FX Files and forget the bad method to
describe the material in script

so it can continue like that

It would be cool to find all 3DGS existing shaders in the wiki , there are only some , not all you can find by digging ,
yes a real library with all , and not just code , all downloadable
but it's utopia

for my part it's a lot more easy to have shaders fixed in the engine like TV3D or Ogre3D, just a call in some easy lines and that's it , no matrices
problems, and only closest lights are taken account.

well i just hope future 3DGS shader editor , will bring fast and easy to apply shaders , no more time loosing
no more problems