anchor.diff:  open Prime
   open Nu
   open Nu.Constants
  -open Nu.WorldConstants+open Nu.WorldConstants
  +open Nu.Observer
  +open Nu.Desync
  +
  
positive.code: #load "Dispatchers.fs"
  #load "World.fs"
  #load "Observer.fs"
  
  open System
  open FParsec
  
negative.code: #load "Input.fs"
  #load "Sdl.fs"
  #load "Simulation.fs"
  #load "Simulant.fs"
  #load "WorldConstants.fs"
  #load "WorldPrimitives.fs"
  #load "Entity.fs"
  #load "Group.fs"
  #load "Screen.fs"
  