 *** May 22, 2002:
 
      Version 9.11:

      () GNUmakefile.*
           * Consistent with current changes.

      () *.com
           * Consistent with current changes.

      () blkdat.F
           * Update version data.
           * Initialize "historical" scaling values to safe values.
           * Add debugging unit numbers for testing new solvers.

      () external.F
           * Allow use of periodic boundary (longitudinal) conditions.

      () filter.F
           * Allow use of periodic boundary (longitudinal) conditions.

      () op.F
           * Allow use of periodic boundary (longitudinal) conditions.

      () op1.F
           * Allow use of periodic boundary (longitudinal) conditions.

      () psibdy.F
           * Allow use of periodic boundary (longitudinal) conditions.

      () psrfbdy.F   (new)
           * New alternate routine to compute boundary conditions for surf.
             press.
           * Allow use of periodic boundary (longitudinal) conditions.

      () psurfbdy.F   (new)
           * New routine to compute boundary conditions for surf. press.
           * Allow use of periodic boundary (longitudinal) conditions.

      () set_baro.F
           * Allow use of periodic boundary (longitudinal) conditions.

      () velocity.F
           * Allow use of periodic boundary (longitudinal) conditions.
