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2.9 Obsolete Options and/or Features

This section describes features and/or command-line options from previous releases of gawk that either are not available in the current version or are still supported but deprecated (meaning that they will not be in a future release).

The arbitrary precision arithmetic feature is deprecated as of gawk version 5.2. Use of -M/--bignum produces a warning message. The feature will be removed in the release of 2024.