Index Range Check                  {$R-}                             pp 315

 Default:   Passive

 Scope:     Local

 Active:    {$R+}  Check array indexing, scalars, subranges for bounds.

 Inactive:  {$R-}  No checking is done.


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 Notes:     The R directive controls run-time index checking.

            When active, all array indexing operations are check to
            be within defined bounds.  All assignments to scalar and
            subrange variables are checked to be within range.

            When passive, no checking is done and execution speed is
            improved.