Spline normals travel across modifiers

[pyroskat]

On spline overlap we have this "use normals (if present)"  Thats cool if we create the spline with a freehand tool over an object.  The problem is that if we create after a freehand a normalize for example,  this normals dissapear. Can we make this normals consistent, even if we create modifiers in between?

[Kranos_Orphydian]

I've included this idea on my compilation of Spline procedural handling ideas. Pls support this and other great suggestions:

[Splines] Improved procedural handling through both updated and new modifiers