nHc1c2c2...cn (Hollerith Editing)

  On input, transfers "n" characters from the external record to the
  field descriptor itself.  The first character appears immediately
  after the H.  Any characters in the field descriptor prior to the
  input operation are replaced by the input characters.

  On output, transfers "n" characters following the letter H from the
  field descriptor to the external field.

                                 NOTE

          This feature has been deleted in Fortran 95; it was
          an  obsolescent  feature  in  Fortran  90.   HP
          Fortran fully supports features deleted in  Fortran
          95.