VMS Help FORTRAN, Error Messages, Compilation Errors, EXT_COM  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  SEVERITY:  I

  MESSAGE TEXT:  Extension to FORTRAN-77:  nonstandard comment

  EXPLANATION:  FORTRAN-77 allows only the characters "C" and "*" to
  begin a comment line; "c", "D", "d", and "!" are extensions to
  FORTRAN-77.