The  FMS/LIBRARY/REPLACE  command  places  the  specified  form in an
  output  form  library.  Input  forms replace forms that have the same
  name  in the form library. If any of the input files contain the same
  name,   the  last  form  specified  is  inserted  in the library. The
  default  input  file  type is FRM and the default output file type is
  FLB.