cobext.hlp (Topic list)
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The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
COBOL Subscript Bound Checking
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     Use the Subscript Bound Checking option to check the subscript or
     index value on each access of a table. This ensures that the
     subscript or index is within the limits implied by the OCCURS
     clause.
 
     Command-line directive: BOUND
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