anchor.diff:  PUBLIC :: num2date
   PUBLIC :: strftime
   PUBLIC :: strptime
  +PUBLIC :: tm2date
   
   ! Constants:
   INTEGER,PARAMETER :: real_sp = KIND(1e0)
  
positive.code: 
  ENDFUNCTION int2str
  !======================================================================>
  ENDMODULE datetime_module
  
negative.code: !         FUNCTION num2date
  !         FUNCTION strftime
  !         FUNCTION strptime
  !         FUNCTION tm2date
  !
  ! LAST UPDATE: 2013-06-25
  !
  