anchor.diff:  end type folded_spect_t
   
   ! [review] - JSS: input options (also, should we remove initiator_cas?)
  +! [review] - NSB: Yes I think that initiator_cas should be removed.
   type initiator_t
       ! Complete active space within which a determinant is an initiator.
       ! (0,0) corresponds to the reference determinant only.
  
positive.code: 
  !--- Folded spectrum data ---
  ! [review] - JSS: input options (also, should we just delete folded spectrum?)
  type folded_spect_t
      ! The line about which you are folding i.e. eps in (H-eps)^2 - E_0
      real(p) :: fold_line = 0
  
negative.code: 
  ! [review] - JSS: RDMs here are DMQMC-specific.  Should there be further dmqmc_data, fciqmc_data,
  ! [review] - JSS: ccmc_data, etc modules?
  ! [review] - NSB: Yes, I think that's sensible.
  
  ! Spawned lists for rdms.
  type rdm_spawn_t
  