old_contents: 
  import OpenGL
  
  OpenGL.FORWARD_COMPATIBLE_ONLY = __debug__
  OpenGL.ERROR_ON_COPY = __debug__
  OpenGL.ERROR_CHECKING = __debug__
  OpenGL.ERROR_LOGGING = __debug__
  
  
new_contents: 
  import OpenGL
  
  OpenGL.FORWARD_COMPATIBLE_ONLY = __debug__
  OpenGL.ERROR_ON_COPY = __debug__
  OpenGL.ERROR_CHECKING = __debug__
  OpenGL.ERROR_LOGGING = __debug__
  # OpenGL.FULL_LOGGING = True
  
  
subject: add a commented out reference to 'full logging' flag, just in case it is a useful reminder later on, when debugging.