anchor.diff:  !  END APERTURE LIMITATIONS PARSING
   ! ================================================================================================ !
   
  -subroutine aper_postInput
  -
  -  use mod_units
  -  implicit none
  -
  -  ! request unit
  -  call f_requestUnit(trim(losses_filename),losses_unit)
  -
  -end subroutine aper_postInput
  -
   ! ================================================================================================================================ !
   !  Begin Checkpoint Restart
   ! ================================================================================================================================ !
  
positive.code: ! ================================================================================================ !
  subroutine aperture_init
  
    use mod_units, only: f_open
    
    implicit none
  
  
negative.code:   end do
  
    ldmpaper            = .false.
    aperunit            = -1
    aper_filename(1:16) = ' '
    ldmpaperMem         = .false.
    loadunit            = 3 ! default: read aperture markers in fort.3
  