VSI Fortran supports the following characters:

   o  The Fortran 95/90 character set, consisting of those ASCII
      characters which can appear in Fortran 95/90 language syntax.
      This character set is a superset of the FORTRAN 77 character
      set.

   o  Other printable characters, which can appear in comments,
      character constants, Hollerith constants, character string edit
      descriptors, and input/output records.