BUGS  found in SHADOW:
======================

- GRID/GRID source: generates NX*NY*NZ*Nx'*NZ' rays
  If FSOURCE_DEPTH=1 (OFF) NY must be 1, but it takes the value in ido_y_s
- Namelist doc: the relative intensity variables: RL1,...RL10 are not
  documented
- Namelist doc: I_STOP = 0 for aperture and 1 for stop
- Gaussian source does not take into consideration limits
  [angular, horizontal]
- Shadow 2.2.0 has bugs when using external spline surface error
  at least in Unix.
- The exact BM has problems
- The slit shift (position of the center) does not work
 
