anchor.diff:    endsubroutine get_cla_list
   
     subroutine print_cla(cla,pref,iostat,iomsg,unit)
  -  !< @brief Procedure for printing CLA data with a pretty format.
  +  !< Procedure for printing CLA data with a pretty format.
     !---------------------------------------------------------------------------------------------------------------------------------
     implicit none
     class(Type_Command_Line_Argument), intent(IN)::  cla     !< CLA data.
  
positive.code: 
    ! Assignment (=)
    elemental subroutine assign_cla(self1,self2)
    !< @brief Procedure for assignment between two selfs.
    !---------------------------------------------------------------------------------------------------------------------------------
    implicit none
    class(Type_Command_Line_Argument), intent(INOUT):: self1
  
negative.code:   return
    !---------------------------------------------------------------------------------------------------------------------------------
    contains
      subroutine print_usage
      !< Procedure for printing the correct use Command Line Interface accordingly to the cli%cla passed.
      !-------------------------------------------------------------------------------------------------------------------------------
      character(len=:), allocatable:: cla_list_sign !< Complete signature of CLA list.
      !-------------------------------------------------------------------------------------------------------------------------------
  